./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-patterns/array8_pattern.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab72bd17-c59f-4b55-9e75-e57f66d64b33/bin/ukojak-CydTVMUXoH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab72bd17-c59f-4b55-9e75-e57f66d64b33/bin/ukojak-CydTVMUXoH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab72bd17-c59f-4b55-9e75-e57f66d64b33/bin/ukojak-CydTVMUXoH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab72bd17-c59f-4b55-9e75-e57f66d64b33/bin/ukojak-CydTVMUXoH/config/KojakReach.xml -i ../../sv-benchmarks/c/array-patterns/array8_pattern.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab72bd17-c59f-4b55-9e75-e57f66d64b33/bin/ukojak-CydTVMUXoH/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab72bd17-c59f-4b55-9e75-e57f66d64b33/bin/ukojak-CydTVMUXoH --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 06625eaf591a62e295090a882d83c1e11aaafca7ac8895e7d4adcf51d5b26e02 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-e04fb08 [2022-11-16 08:19:32,201 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 08:19:32,203 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 08:19:32,221 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 08:19:32,222 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 08:19:32,223 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 08:19:32,224 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 08:19:32,226 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 08:19:32,228 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 08:19:32,229 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 08:19:32,230 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 08:19:32,231 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 08:19:32,231 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 08:19:32,233 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 08:19:32,234 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 08:19:32,235 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 08:19:32,236 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 08:19:32,237 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 08:19:32,238 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 08:19:32,243 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 08:19:32,244 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 08:19:32,247 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 08:19:32,248 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 08:19:32,249 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 08:19:32,252 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 08:19:32,253 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 08:19:32,253 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 08:19:32,254 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 08:19:32,254 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 08:19:32,255 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 08:19:32,256 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 08:19:32,256 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 08:19:32,257 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 08:19:32,258 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 08:19:32,259 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 08:19:32,259 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 08:19:32,266 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 08:19:32,267 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 08:19:32,267 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 08:19:32,268 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 08:19:32,269 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 08:19:32,270 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab72bd17-c59f-4b55-9e75-e57f66d64b33/bin/ukojak-CydTVMUXoH/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-11-16 08:19:32,313 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 08:19:32,313 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 08:19:32,315 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 08:19:32,315 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-16 08:19:32,317 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 08:19:32,318 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 08:19:32,318 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 08:19:32,318 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 08:19:32,318 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 08:19:32,318 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 08:19:32,319 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 08:19:32,320 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 08:19:32,320 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 08:19:32,320 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 08:19:32,321 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 08:19:32,322 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 08:19:32,322 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 08:19:32,322 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 08:19:32,322 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-16 08:19:32,324 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-16 08:19:32,324 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 08:19:32,325 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-16 08:19:32,330 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 08:19:32,330 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 08:19:32,330 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 08:19:32,330 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-16 08:19:32,331 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 08:19:32,331 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 08:19:32,331 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab72bd17-c59f-4b55-9e75-e57f66d64b33/bin/ukojak-CydTVMUXoH/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab72bd17-c59f-4b55-9e75-e57f66d64b33/bin/ukojak-CydTVMUXoH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 06625eaf591a62e295090a882d83c1e11aaafca7ac8895e7d4adcf51d5b26e02 [2022-11-16 08:19:32,601 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 08:19:32,623 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 08:19:32,625 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 08:19:32,627 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 08:19:32,628 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 08:19:32,629 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab72bd17-c59f-4b55-9e75-e57f66d64b33/bin/ukojak-CydTVMUXoH/../../sv-benchmarks/c/array-patterns/array8_pattern.c [2022-11-16 08:19:32,695 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab72bd17-c59f-4b55-9e75-e57f66d64b33/bin/ukojak-CydTVMUXoH/data/9970355da/8f7c68b4cae54b78957e267bc8dcc1f7/FLAGe0c172c51 [2022-11-16 08:19:33,114 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 08:19:33,114 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab72bd17-c59f-4b55-9e75-e57f66d64b33/sv-benchmarks/c/array-patterns/array8_pattern.c [2022-11-16 08:19:33,120 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab72bd17-c59f-4b55-9e75-e57f66d64b33/bin/ukojak-CydTVMUXoH/data/9970355da/8f7c68b4cae54b78957e267bc8dcc1f7/FLAGe0c172c51 [2022-11-16 08:19:33,538 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab72bd17-c59f-4b55-9e75-e57f66d64b33/bin/ukojak-CydTVMUXoH/data/9970355da/8f7c68b4cae54b78957e267bc8dcc1f7 [2022-11-16 08:19:33,541 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 08:19:33,542 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 08:19:33,544 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 08:19:33,544 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 08:19:33,547 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 08:19:33,548 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:19:33" (1/1) ... [2022-11-16 08:19:33,549 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35d3f673 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:19:33, skipping insertion in model container [2022-11-16 08:19:33,549 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:19:33" (1/1) ... [2022-11-16 08:19:33,557 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 08:19:33,571 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 08:19:33,736 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab72bd17-c59f-4b55-9e75-e57f66d64b33/sv-benchmarks/c/array-patterns/array8_pattern.c[1321,1334] [2022-11-16 08:19:33,756 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 08:19:33,767 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 08:19:33,791 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab72bd17-c59f-4b55-9e75-e57f66d64b33/sv-benchmarks/c/array-patterns/array8_pattern.c[1321,1334] [2022-11-16 08:19:33,817 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 08:19:33,834 INFO L208 MainTranslator]: Completed translation [2022-11-16 08:19:33,834 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:19:33 WrapperNode [2022-11-16 08:19:33,835 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 08:19:33,836 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 08:19:33,837 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 08:19:33,838 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 08:19:33,846 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:19:33" (1/1) ... [2022-11-16 08:19:33,864 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:19:33" (1/1) ... [2022-11-16 08:19:33,894 INFO L138 Inliner]: procedures = 16, calls = 23, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 83 [2022-11-16 08:19:33,895 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 08:19:33,896 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 08:19:33,896 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 08:19:33,896 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 08:19:33,905 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:19:33" (1/1) ... [2022-11-16 08:19:33,905 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:19:33" (1/1) ... [2022-11-16 08:19:33,910 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:19:33" (1/1) ... [2022-11-16 08:19:33,910 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:19:33" (1/1) ... [2022-11-16 08:19:33,925 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:19:33" (1/1) ... [2022-11-16 08:19:33,931 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:19:33" (1/1) ... [2022-11-16 08:19:33,936 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:19:33" (1/1) ... [2022-11-16 08:19:33,942 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:19:33" (1/1) ... [2022-11-16 08:19:33,944 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 08:19:33,946 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 08:19:33,947 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 08:19:33,947 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 08:19:33,948 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:19:33" (1/1) ... [2022-11-16 08:19:33,955 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-16 08:19:33,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab72bd17-c59f-4b55-9e75-e57f66d64b33/bin/ukojak-CydTVMUXoH/z3 [2022-11-16 08:19:33,983 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab72bd17-c59f-4b55-9e75-e57f66d64b33/bin/ukojak-CydTVMUXoH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-16 08:19:34,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab72bd17-c59f-4b55-9e75-e57f66d64b33/bin/ukojak-CydTVMUXoH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-16 08:19:34,032 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 08:19:34,032 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-16 08:19:34,033 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-16 08:19:34,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 08:19:34,033 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 08:19:34,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 08:19:34,034 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 08:19:34,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 08:19:34,034 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 08:19:34,035 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 08:19:34,121 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 08:19:34,123 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 08:19:34,294 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 08:19:34,391 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 08:19:34,405 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-16 08:19:34,408 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 08:19:34 BoogieIcfgContainer [2022-11-16 08:19:34,408 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 08:19:34,409 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-16 08:19:34,410 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-16 08:19:34,435 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-16 08:19:34,435 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 08:19:34" (1/1) ... [2022-11-16 08:19:34,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 08:19:34,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:19:34,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 22 transitions. [2022-11-16 08:19:34,511 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2022-11-16 08:19:34,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-16 08:19:34,516 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:19:34,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:19:34,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:19:34,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:19:34,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:19:34,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2022-11-16 08:19:34,818 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2022-11-16 08:19:34,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-16 08:19:34,819 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:19:34,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:19:34,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:19:34,941 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-16 08:19:34,947 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:19:35,023 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:19:35,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:19:35,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2022-11-16 08:19:35,091 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2022-11-16 08:19:35,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-16 08:19:35,092 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:19:35,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:19:35,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:19:35,162 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-16 08:19:35,164 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:19:35,206 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:19:35,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:19:35,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2022-11-16 08:19:35,422 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2022-11-16 08:19:35,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:19:35,423 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:19:35,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:19:35,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:19:35,526 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 50 conjunts are in the unsatisfiable core [2022-11-16 08:19:35,538 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:19:35,619 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:19:35,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:19:35,715 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:19:35,722 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:19:36,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:19:36,233 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:19:36,237 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:19:36,490 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:19:36,497 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:19:36,497 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:19:36,578 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:19:38,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:19:38,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 28 states and 47 transitions. [2022-11-16 08:19:38,063 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 47 transitions. [2022-11-16 08:19:38,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:19:38,064 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:19:38,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:19:38,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:19:38,160 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 53 conjunts are in the unsatisfiable core [2022-11-16 08:19:38,166 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:19:38,181 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:19:38,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:19:38,275 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:19:38,281 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:19:38,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:19:38,717 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:19:38,718 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:19:39,014 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:19:39,015 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 12 [2022-11-16 08:19:39,045 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:19:40,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:19:40,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 34 states and 71 transitions. [2022-11-16 08:19:40,778 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 71 transitions. [2022-11-16 08:19:40,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:19:40,779 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:19:40,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:19:40,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:19:40,833 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 47 conjunts are in the unsatisfiable core [2022-11-16 08:19:40,837 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:19:40,859 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:19:40,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:19:40,887 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:19:40,893 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:19:41,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:19:41,086 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:19:41,099 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:19:41,110 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:19:41,113 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:19:41,129 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:19:41,159 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:19:41,232 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:19:41,237 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:19:41,237 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:19:41,266 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:19:41,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:19:41,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 34 states and 71 transitions. [2022-11-16 08:19:41,292 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 71 transitions. [2022-11-16 08:19:41,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:19:41,293 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:19:41,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:19:41,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:19:41,342 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 55 conjunts are in the unsatisfiable core [2022-11-16 08:19:41,348 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:19:41,364 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:19:41,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:19:41,395 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:19:41,401 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:19:41,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:19:41,572 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:19:41,578 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:19:41,694 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:19:41,695 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 12 [2022-11-16 08:19:41,724 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:19:41,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:19:41,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 34 states and 71 transitions. [2022-11-16 08:19:41,763 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 71 transitions. [2022-11-16 08:19:41,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:19:41,765 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:19:41,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:19:41,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:19:41,863 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 55 conjunts are in the unsatisfiable core [2022-11-16 08:19:41,867 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:19:41,891 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:19:41,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:19:41,910 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:19:41,914 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:19:42,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:19:42,076 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:19:42,077 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:19:42,170 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:19:42,171 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 12 [2022-11-16 08:19:42,197 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:19:42,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:19:42,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 34 states and 71 transitions. [2022-11-16 08:19:42,237 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 71 transitions. [2022-11-16 08:19:42,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:19:42,246 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:19:42,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:19:42,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:19:42,317 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 53 conjunts are in the unsatisfiable core [2022-11-16 08:19:42,320 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:19:42,337 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:19:42,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:19:42,363 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 19 [2022-11-16 08:19:42,367 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 12 [2022-11-16 08:19:42,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:19:42,578 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:19:42,580 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:19:42,672 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:19:42,677 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:19:42,677 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:19:42,699 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:19:42,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:19:42,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 34 states and 71 transitions. [2022-11-16 08:19:42,722 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 71 transitions. [2022-11-16 08:19:42,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:19:42,723 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:19:42,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:19:42,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:19:42,783 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 55 conjunts are in the unsatisfiable core [2022-11-16 08:19:42,787 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:19:42,803 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:19:42,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:19:42,828 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:19:42,832 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:19:42,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:19:42,988 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:19:42,990 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:19:43,093 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:19:43,094 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 12 [2022-11-16 08:19:43,118 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:19:43,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:19:43,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 34 states and 71 transitions. [2022-11-16 08:19:43,145 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 71 transitions. [2022-11-16 08:19:43,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:19:43,145 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:19:43,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:19:43,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:19:43,214 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 50 conjunts are in the unsatisfiable core [2022-11-16 08:19:43,219 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:19:43,238 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:19:43,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:19:43,264 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:19:43,269 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:19:43,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:19:43,450 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:19:43,452 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:19:43,546 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:19:43,551 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:19:43,552 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:19:43,582 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:19:43,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:19:43,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 34 states and 71 transitions. [2022-11-16 08:19:43,608 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 71 transitions. [2022-11-16 08:19:43,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:19:43,609 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:19:43,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:19:43,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:19:43,655 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 47 conjunts are in the unsatisfiable core [2022-11-16 08:19:43,658 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:19:43,673 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:19:43,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:19:43,697 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:19:43,706 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:19:43,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:19:43,852 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:19:43,859 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:19:43,867 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:19:43,869 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:19:43,881 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:19:43,905 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:19:43,978 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:19:43,984 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:19:43,984 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:19:44,006 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:19:44,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:19:44,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 34 states and 71 transitions. [2022-11-16 08:19:44,046 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 71 transitions. [2022-11-16 08:19:44,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:19:44,046 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:19:44,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:19:44,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:19:44,103 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 53 conjunts are in the unsatisfiable core [2022-11-16 08:19:44,106 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:19:44,131 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:19:44,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:19:44,151 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:19:44,155 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:19:44,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:19:44,351 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:19:44,359 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:19:44,448 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:19:44,449 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 12 [2022-11-16 08:19:44,476 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:19:44,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:19:44,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 34 states and 71 transitions. [2022-11-16 08:19:44,512 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 71 transitions. [2022-11-16 08:19:44,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:19:44,515 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:19:44,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:19:44,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:19:44,581 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 53 conjunts are in the unsatisfiable core [2022-11-16 08:19:44,585 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:19:44,608 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:19:44,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:19:44,637 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:19:44,645 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:19:44,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:19:44,815 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:19:44,817 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:19:44,913 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:19:44,914 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 12 [2022-11-16 08:19:44,937 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:19:44,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:19:44,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 34 states and 71 transitions. [2022-11-16 08:19:44,959 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 71 transitions. [2022-11-16 08:19:44,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:19:44,960 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:19:44,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:19:45,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:19:45,010 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 54 conjunts are in the unsatisfiable core [2022-11-16 08:19:45,013 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:19:45,030 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:19:45,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:19:45,059 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:19:45,065 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:19:45,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:19:45,229 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:19:45,231 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:19:45,339 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:19:45,340 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 12 [2022-11-16 08:19:45,365 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:19:45,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:19:45,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 34 states and 71 transitions. [2022-11-16 08:19:45,388 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 71 transitions. [2022-11-16 08:19:45,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:19:45,389 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:19:45,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:19:45,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:19:45,435 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 52 conjunts are in the unsatisfiable core [2022-11-16 08:19:45,438 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:19:45,456 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:19:45,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:19:45,483 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:19:45,490 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:19:45,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:19:45,648 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:19:45,651 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:19:45,744 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:19:45,752 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:19:45,753 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:19:45,785 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:19:45,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:19:45,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 34 states and 71 transitions. [2022-11-16 08:19:45,815 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 71 transitions. [2022-11-16 08:19:45,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:19:45,815 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:19:45,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:19:45,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:19:45,872 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 49 conjunts are in the unsatisfiable core [2022-11-16 08:19:45,879 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:19:45,900 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:19:45,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:19:45,925 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:19:45,929 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:19:46,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:19:46,120 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:19:46,127 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:19:46,136 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:19:46,138 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:19:46,146 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:19:46,162 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:19:46,242 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:19:46,249 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:19:46,249 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:19:46,271 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:19:46,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:19:46,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 34 states and 71 transitions. [2022-11-16 08:19:46,304 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 71 transitions. [2022-11-16 08:19:46,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:19:46,305 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:19:46,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:19:46,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:19:46,366 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 51 conjunts are in the unsatisfiable core [2022-11-16 08:19:46,370 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:19:46,393 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:19:46,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:19:46,407 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:19:46,412 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:19:46,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:19:46,604 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:19:46,612 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:19:46,628 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:19:46,630 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:19:46,639 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:19:46,653 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:19:46,724 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:19:46,725 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 12 [2022-11-16 08:19:46,752 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:19:46,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:19:46,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 34 states and 71 transitions. [2022-11-16 08:19:46,774 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 71 transitions. [2022-11-16 08:19:46,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:19:46,775 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:19:46,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:19:46,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:19:46,817 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 47 conjunts are in the unsatisfiable core [2022-11-16 08:19:46,820 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:19:46,838 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:19:46,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:19:46,861 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:19:46,865 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:19:47,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:19:47,008 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:19:47,016 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:19:47,024 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:19:47,027 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:19:47,036 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:19:47,051 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:19:47,123 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:19:47,128 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:19:47,129 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:19:47,151 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:19:47,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:19:47,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 34 states and 71 transitions. [2022-11-16 08:19:47,174 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 71 transitions. [2022-11-16 08:19:47,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:19:47,175 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:19:47,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:19:47,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:19:47,216 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 52 conjunts are in the unsatisfiable core [2022-11-16 08:19:47,219 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:19:47,241 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:19:47,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:19:47,265 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:19:47,268 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:19:47,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:19:47,417 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:19:47,419 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:19:47,508 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:19:47,514 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:19:47,514 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:19:47,535 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:19:47,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:19:47,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 34 states and 71 transitions. [2022-11-16 08:19:47,559 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 71 transitions. [2022-11-16 08:19:47,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:19:47,559 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:19:47,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:19:47,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:19:47,606 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 50 conjunts are in the unsatisfiable core [2022-11-16 08:19:47,609 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:19:47,623 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:19:47,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:19:47,653 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:19:47,658 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:19:47,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:19:47,809 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:19:47,811 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:19:47,896 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:19:47,901 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:19:47,902 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:19:47,942 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:19:47,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:19:47,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 34 states and 71 transitions. [2022-11-16 08:19:47,969 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 71 transitions. [2022-11-16 08:19:47,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:19:47,970 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:19:47,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:19:48,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:19:48,013 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 49 conjunts are in the unsatisfiable core [2022-11-16 08:19:48,016 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:19:48,033 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:19:48,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:19:48,052 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:19:48,056 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:19:48,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:19:48,192 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:19:48,199 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:19:48,207 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:19:48,214 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:19:48,222 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:19:48,236 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:19:48,303 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:19:48,308 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:19:48,309 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:19:48,329 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:19:48,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:19:48,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 34 states and 71 transitions. [2022-11-16 08:19:48,353 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 71 transitions. [2022-11-16 08:19:48,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:19:48,354 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:19:48,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:19:48,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:19:48,407 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 51 conjunts are in the unsatisfiable core [2022-11-16 08:19:48,410 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:19:48,427 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:19:48,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:19:48,449 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:19:48,454 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:19:48,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:19:48,612 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:19:48,613 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:19:48,721 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:19:48,726 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:19:48,727 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:19:48,751 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:19:48,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:19:48,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 34 states and 71 transitions. [2022-11-16 08:19:48,783 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 71 transitions. [2022-11-16 08:19:48,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:19:48,783 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:19:48,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:19:48,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:19:48,829 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 47 conjunts are in the unsatisfiable core [2022-11-16 08:19:48,831 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:19:48,847 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:19:48,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:19:48,867 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:19:48,871 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:19:48,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:19:49,001 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:19:49,008 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:19:49,015 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:19:49,017 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:19:49,026 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:19:49,041 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:19:49,124 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:19:49,133 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:19:49,134 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:19:49,157 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:19:49,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:19:49,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 34 states and 71 transitions. [2022-11-16 08:19:49,180 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 71 transitions. [2022-11-16 08:19:49,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:19:49,180 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:19:49,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:19:49,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:19:49,223 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 50 conjunts are in the unsatisfiable core [2022-11-16 08:19:49,226 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:19:49,244 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:19:49,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:19:49,267 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 19 [2022-11-16 08:19:49,272 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 12 [2022-11-16 08:19:49,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:19:49,489 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:19:49,496 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:19:49,504 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:19:49,506 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:19:49,514 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:19:49,529 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:19:49,599 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:19:49,605 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:19:49,605 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:19:49,626 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:19:49,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:19:49,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 34 states and 71 transitions. [2022-11-16 08:19:49,649 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 71 transitions. [2022-11-16 08:19:49,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:19:49,650 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:19:49,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:19:49,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:19:49,705 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 49 conjunts are in the unsatisfiable core [2022-11-16 08:19:49,710 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:19:49,727 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:19:49,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:19:49,749 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:19:49,753 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:19:49,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:19:49,896 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:19:49,905 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:19:49,913 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:19:49,915 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:19:49,924 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:19:49,940 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:19:50,017 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:19:50,023 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:19:50,023 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:19:50,043 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:19:50,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:19:50,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 34 states and 71 transitions. [2022-11-16 08:19:50,066 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 71 transitions. [2022-11-16 08:19:50,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:19:50,066 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:19:50,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:19:50,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:19:50,107 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 52 conjunts are in the unsatisfiable core [2022-11-16 08:19:50,110 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:19:50,132 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:19:50,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:19:50,155 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:19:50,174 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:19:50,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:19:50,299 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:19:50,301 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:19:50,380 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:19:50,386 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:19:50,386 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:19:50,406 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:19:50,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:19:50,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 34 states and 71 transitions. [2022-11-16 08:19:50,434 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 71 transitions. [2022-11-16 08:19:50,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:19:50,435 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:19:50,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:19:50,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:19:50,486 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 49 conjunts are in the unsatisfiable core [2022-11-16 08:19:50,489 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:19:50,499 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:19:50,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:19:50,529 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:19:50,533 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:19:50,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:19:50,669 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:19:50,677 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:19:50,685 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:19:50,687 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:19:50,695 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:19:50,729 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:19:50,795 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:19:50,802 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:19:50,803 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:19:50,823 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:19:50,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:19:50,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 34 states and 71 transitions. [2022-11-16 08:19:50,850 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 71 transitions. [2022-11-16 08:19:50,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:19:50,851 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:19:50,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:19:50,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:19:50,892 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 52 conjunts are in the unsatisfiable core [2022-11-16 08:19:50,895 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:19:50,916 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:19:50,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:19:50,938 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:19:50,941 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:19:51,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:19:51,079 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:19:51,081 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:19:51,161 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:19:51,166 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:19:51,166 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:19:51,193 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:19:51,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:19:51,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 34 states and 71 transitions. [2022-11-16 08:19:51,217 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 71 transitions. [2022-11-16 08:19:51,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:19:51,218 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:19:51,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:19:51,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:19:51,264 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 51 conjunts are in the unsatisfiable core [2022-11-16 08:19:51,267 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:19:51,281 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:19:51,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:19:51,308 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 23 [2022-11-16 08:19:51,312 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 20 [2022-11-16 08:19:51,316 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:19:51,323 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:19:51,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:19:51,891 INFO L321 Elim1Store]: treesize reduction 44, result has 32.3 percent of original size [2022-11-16 08:19:51,892 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 90 treesize of output 77 [2022-11-16 08:19:52,167 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2022-11-16 08:19:52,235 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:19:55,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:19:55,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 41 states and 103 transitions. [2022-11-16 08:19:55,374 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 103 transitions. [2022-11-16 08:19:55,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:19:55,375 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:19:55,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:19:55,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:19:55,416 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 47 conjunts are in the unsatisfiable core [2022-11-16 08:19:55,419 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:19:55,433 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:19:55,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:19:55,459 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:19:55,463 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:19:55,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:19:55,611 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:19:55,618 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:19:55,625 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:19:55,627 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:19:55,635 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:19:55,649 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:19:55,713 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:19:55,718 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:19:55,718 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:19:55,737 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:19:55,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:19:55,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 41 states and 103 transitions. [2022-11-16 08:19:55,760 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 103 transitions. [2022-11-16 08:19:55,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:19:55,761 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:19:55,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:19:55,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:19:55,802 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 52 conjunts are in the unsatisfiable core [2022-11-16 08:19:55,805 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:19:55,821 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:19:55,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:19:55,840 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:19:55,844 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:19:55,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:19:55,981 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:19:55,982 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:19:56,063 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:19:56,068 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:19:56,069 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:19:56,090 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:19:56,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:19:56,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 41 states and 103 transitions. [2022-11-16 08:19:56,115 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 103 transitions. [2022-11-16 08:19:56,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:19:56,116 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:19:56,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:19:56,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:19:56,160 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 49 conjunts are in the unsatisfiable core [2022-11-16 08:19:56,162 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:19:56,174 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:19:56,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:19:56,199 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:19:56,204 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:19:56,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:19:56,357 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:19:56,364 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:19:56,376 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:19:56,378 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:19:56,387 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:19:56,403 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:19:56,468 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:19:56,474 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:19:56,475 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:19:56,496 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:19:56,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:19:56,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 41 states and 103 transitions. [2022-11-16 08:19:56,520 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 103 transitions. [2022-11-16 08:19:56,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:19:56,521 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:19:56,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:19:56,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:19:56,564 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 52 conjunts are in the unsatisfiable core [2022-11-16 08:19:56,567 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:19:56,582 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:19:56,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:19:56,604 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:19:56,608 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:19:56,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:19:56,797 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:19:56,801 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:19:56,886 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:19:56,891 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:19:56,892 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:19:56,912 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:19:56,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:19:56,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 41 states and 103 transitions. [2022-11-16 08:19:56,937 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 103 transitions. [2022-11-16 08:19:56,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:19:56,937 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:19:56,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:19:56,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:19:56,979 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 49 conjunts are in the unsatisfiable core [2022-11-16 08:19:56,981 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:19:56,998 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:19:57,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:19:57,031 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:19:57,034 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:19:57,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:19:57,167 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:19:57,174 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:19:57,182 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:19:57,184 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:19:57,193 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:19:57,207 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:19:57,287 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:19:57,293 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:19:57,293 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:19:57,315 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:19:57,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:19:57,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 41 states and 103 transitions. [2022-11-16 08:19:57,341 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 103 transitions. [2022-11-16 08:19:57,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:19:57,342 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:19:57,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:19:57,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:19:57,384 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 55 conjunts are in the unsatisfiable core [2022-11-16 08:19:57,387 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:19:57,416 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:19:57,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:19:57,436 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:19:57,441 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:19:57,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:19:57,588 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:19:57,589 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:19:57,673 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:19:57,674 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 12 [2022-11-16 08:19:57,694 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:19:57,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:19:57,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 41 states and 103 transitions. [2022-11-16 08:19:57,719 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 103 transitions. [2022-11-16 08:19:57,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:19:57,719 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:19:57,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:19:57,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:19:57,784 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 55 conjunts are in the unsatisfiable core [2022-11-16 08:19:57,787 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:19:57,808 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:19:57,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:19:57,845 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:19:57,850 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:19:58,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:19:58,010 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:19:58,011 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:19:58,113 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:19:58,115 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 12 [2022-11-16 08:19:58,135 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:19:58,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:19:58,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 41 states and 103 transitions. [2022-11-16 08:19:58,157 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 103 transitions. [2022-11-16 08:19:58,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:19:58,158 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:19:58,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:19:58,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:19:58,199 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 55 conjunts are in the unsatisfiable core [2022-11-16 08:19:58,202 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:19:58,219 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:19:58,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:19:58,245 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:19:58,249 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:19:58,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:19:58,394 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:19:58,395 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:19:58,485 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:19:58,486 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 12 [2022-11-16 08:19:58,506 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:19:58,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:19:58,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 41 states and 103 transitions. [2022-11-16 08:19:58,532 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 103 transitions. [2022-11-16 08:19:58,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:19:58,533 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:19:58,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:19:58,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:19:58,574 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 50 conjunts are in the unsatisfiable core [2022-11-16 08:19:58,576 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:19:58,586 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:19:58,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:19:58,614 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:19:58,618 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:19:58,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:19:58,792 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:19:58,794 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:19:58,880 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:19:58,886 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:19:58,886 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:19:58,913 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:19:58,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:19:58,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 41 states and 103 transitions. [2022-11-16 08:19:58,940 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 103 transitions. [2022-11-16 08:19:58,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:19:58,942 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:19:58,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:19:58,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:19:58,997 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 50 conjunts are in the unsatisfiable core [2022-11-16 08:19:59,000 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:19:59,019 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:19:59,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:19:59,036 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:19:59,040 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:19:59,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:19:59,189 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:19:59,191 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:19:59,272 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:19:59,277 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:19:59,277 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:19:59,295 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:19:59,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:19:59,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 41 states and 103 transitions. [2022-11-16 08:19:59,318 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 103 transitions. [2022-11-16 08:19:59,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:19:59,319 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:19:59,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:19:59,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:19:59,361 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 54 conjunts are in the unsatisfiable core [2022-11-16 08:19:59,364 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:19:59,382 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:19:59,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:19:59,401 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:19:59,405 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:19:59,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:19:59,576 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:19:59,577 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:19:59,654 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:19:59,670 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:19:59,670 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:19:59,689 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:19:59,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:19:59,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 41 states and 103 transitions. [2022-11-16 08:19:59,710 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 103 transitions. [2022-11-16 08:19:59,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:19:59,710 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:19:59,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:19:59,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:19:59,757 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 55 conjunts are in the unsatisfiable core [2022-11-16 08:19:59,760 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:19:59,775 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:19:59,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:19:59,806 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:19:59,811 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:19:59,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:19:59,960 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:19:59,960 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:20:00,056 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:00,057 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 12 [2022-11-16 08:20:00,077 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:00,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:00,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 41 states and 103 transitions. [2022-11-16 08:20:00,099 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 103 transitions. [2022-11-16 08:20:00,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:20:00,100 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:00,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:00,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:00,141 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 49 conjunts are in the unsatisfiable core [2022-11-16 08:20:00,144 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:20:00,162 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:20:00,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:00,180 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:20:00,184 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:20:00,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:00,322 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:20:00,329 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:20:00,336 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:00,342 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:20:00,352 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:20:00,366 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:20:00,438 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:00,443 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:20:00,443 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:20:00,468 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:00,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:00,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 41 states and 103 transitions. [2022-11-16 08:20:00,490 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 103 transitions. [2022-11-16 08:20:00,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:20:00,490 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:00,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:00,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:00,583 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 52 conjunts are in the unsatisfiable core [2022-11-16 08:20:00,586 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:20:00,606 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:20:00,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:00,626 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:20:00,630 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:20:00,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:00,816 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:00,817 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:20:00,912 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:00,913 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 12 [2022-11-16 08:20:00,946 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:00,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:00,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 41 states and 103 transitions. [2022-11-16 08:20:00,968 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 103 transitions. [2022-11-16 08:20:00,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:20:00,968 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:00,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:01,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:01,010 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 51 conjunts are in the unsatisfiable core [2022-11-16 08:20:01,013 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:20:01,026 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:20:01,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:01,049 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:20:01,054 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:20:01,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:01,187 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:01,188 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:20:01,267 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:01,273 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:20:01,273 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:20:01,295 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:01,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:01,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 41 states and 103 transitions. [2022-11-16 08:20:01,316 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 103 transitions. [2022-11-16 08:20:01,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:20:01,316 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:01,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:01,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:01,371 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 53 conjunts are in the unsatisfiable core [2022-11-16 08:20:01,374 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:20:01,396 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:20:01,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:01,413 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 19 [2022-11-16 08:20:01,418 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 12 [2022-11-16 08:20:01,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:01,676 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:01,677 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:20:01,755 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:01,760 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:20:01,761 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:20:01,785 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:01,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:01,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 41 states and 103 transitions. [2022-11-16 08:20:01,809 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 103 transitions. [2022-11-16 08:20:01,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:20:01,810 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:01,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:01,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:01,858 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 52 conjunts are in the unsatisfiable core [2022-11-16 08:20:01,861 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:20:01,879 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:20:01,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:01,901 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:20:01,905 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:20:02,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:02,035 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:02,037 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:20:02,117 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:02,121 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:20:02,122 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:20:02,140 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:02,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:02,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 41 states and 103 transitions. [2022-11-16 08:20:02,161 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 103 transitions. [2022-11-16 08:20:02,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:20:02,161 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:02,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:02,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:02,216 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 52 conjunts are in the unsatisfiable core [2022-11-16 08:20:02,219 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:20:02,238 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:20:02,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:02,264 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:20:02,268 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:20:02,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:02,421 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:02,423 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:20:02,518 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:02,540 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 12 [2022-11-16 08:20:02,560 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:02,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:02,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 41 states and 103 transitions. [2022-11-16 08:20:02,585 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 103 transitions. [2022-11-16 08:20:02,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:20:02,586 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:02,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:02,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:02,628 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 49 conjunts are in the unsatisfiable core [2022-11-16 08:20:02,631 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:20:02,644 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:20:02,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:02,668 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:20:02,672 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:20:02,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:02,799 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:20:02,806 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:20:02,814 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:02,816 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:20:02,824 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:20:02,851 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:20:02,926 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:02,932 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:20:02,933 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:20:02,953 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:02,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:02,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 41 states and 103 transitions. [2022-11-16 08:20:02,979 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 103 transitions. [2022-11-16 08:20:02,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:20:02,979 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:02,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:03,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:03,027 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 47 conjunts are in the unsatisfiable core [2022-11-16 08:20:03,030 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:20:03,044 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:20:03,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:03,060 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:20:03,064 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:20:03,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:03,211 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:20:03,217 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:20:03,225 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:03,227 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:20:03,235 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:20:03,250 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:20:03,321 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:03,326 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:20:03,326 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:20:03,351 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:03,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:03,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 41 states and 103 transitions. [2022-11-16 08:20:03,375 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 103 transitions. [2022-11-16 08:20:03,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:20:03,375 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:03,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:03,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:03,438 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 49 conjunts are in the unsatisfiable core [2022-11-16 08:20:03,441 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:20:03,458 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:20:03,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:03,495 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:20:03,500 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:20:03,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:03,660 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:20:03,669 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:20:03,678 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:03,681 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:20:03,691 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:20:03,707 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:20:03,780 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:03,785 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:20:03,785 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:20:03,803 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:03,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:03,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 41 states and 103 transitions. [2022-11-16 08:20:03,826 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 103 transitions. [2022-11-16 08:20:03,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:20:03,826 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:03,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:03,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:03,876 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 49 conjunts are in the unsatisfiable core [2022-11-16 08:20:03,879 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:20:03,897 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:20:03,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:03,915 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:20:03,920 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:20:04,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:04,076 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:20:04,083 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:20:04,090 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:04,094 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:20:04,102 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:20:04,116 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:20:04,196 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:04,202 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:20:04,202 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:20:04,220 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:04,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:04,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 41 states and 103 transitions. [2022-11-16 08:20:04,242 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 103 transitions. [2022-11-16 08:20:04,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:20:04,243 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:04,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:04,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:04,291 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 49 conjunts are in the unsatisfiable core [2022-11-16 08:20:04,294 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:20:04,310 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:20:04,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:04,331 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:20:04,335 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:20:04,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:04,474 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:20:04,481 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:20:04,488 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:04,491 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:20:04,499 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:20:04,512 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:20:04,591 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:04,596 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:20:04,596 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:20:04,614 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:04,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:04,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 41 states and 103 transitions. [2022-11-16 08:20:04,638 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 103 transitions. [2022-11-16 08:20:04,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:20:04,639 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:04,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:04,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:04,695 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 55 conjunts are in the unsatisfiable core [2022-11-16 08:20:04,697 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:20:04,715 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:20:04,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:04,733 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 19 [2022-11-16 08:20:04,737 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 12 [2022-11-16 08:20:04,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:04,953 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:04,954 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:20:05,042 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:05,045 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 12 [2022-11-16 08:20:05,066 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:05,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:05,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 41 states and 103 transitions. [2022-11-16 08:20:05,093 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 103 transitions. [2022-11-16 08:20:05,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:20:05,093 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:05,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:05,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:05,143 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 55 conjunts are in the unsatisfiable core [2022-11-16 08:20:05,146 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:20:05,168 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:20:05,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:05,193 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:20:05,198 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:20:05,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:05,335 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:05,336 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:20:05,431 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:05,433 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 12 [2022-11-16 08:20:05,451 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:05,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:05,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 41 states and 103 transitions. [2022-11-16 08:20:05,474 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 103 transitions. [2022-11-16 08:20:05,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:20:05,476 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:05,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:05,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:05,527 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 52 conjunts are in the unsatisfiable core [2022-11-16 08:20:05,530 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:20:05,548 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:20:05,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:05,566 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:20:05,570 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:20:05,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:05,719 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:05,721 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:20:05,797 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:05,802 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:20:05,802 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:20:05,821 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:05,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:05,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 41 states and 103 transitions. [2022-11-16 08:20:05,844 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 103 transitions. [2022-11-16 08:20:05,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:20:05,845 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:05,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:05,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:05,890 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 55 conjunts are in the unsatisfiable core [2022-11-16 08:20:05,893 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:20:05,909 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:20:05,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:05,935 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:20:05,940 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:20:06,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:06,091 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:06,098 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:20:06,186 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:06,186 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 12 [2022-11-16 08:20:06,211 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:06,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:06,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 41 states and 103 transitions. [2022-11-16 08:20:06,235 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 103 transitions. [2022-11-16 08:20:06,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:20:06,236 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:06,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:06,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:06,286 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 52 conjunts are in the unsatisfiable core [2022-11-16 08:20:06,289 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:20:06,303 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:20:06,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:06,325 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:20:06,329 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:20:06,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:06,474 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:06,475 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:20:06,558 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:06,563 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:20:06,563 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:20:06,580 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:06,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:06,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 41 states and 103 transitions. [2022-11-16 08:20:06,608 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 103 transitions. [2022-11-16 08:20:06,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:20:06,609 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:06,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:06,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:06,662 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 55 conjunts are in the unsatisfiable core [2022-11-16 08:20:06,665 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:20:06,693 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:20:06,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:06,720 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:20:06,724 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:20:06,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:06,871 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:06,872 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:20:06,954 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:06,955 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 12 [2022-11-16 08:20:06,976 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:07,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:07,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 41 states and 103 transitions. [2022-11-16 08:20:07,009 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 103 transitions. [2022-11-16 08:20:07,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:20:07,010 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:07,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:07,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:07,052 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 52 conjunts are in the unsatisfiable core [2022-11-16 08:20:07,055 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:20:07,072 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:20:07,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:07,092 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:20:07,096 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:20:07,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:07,232 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:07,234 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:20:07,320 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:07,325 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:20:07,325 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:20:07,344 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:07,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:07,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 41 states and 103 transitions. [2022-11-16 08:20:07,368 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 103 transitions. [2022-11-16 08:20:07,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:20:07,368 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:07,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:07,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:07,423 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 55 conjunts are in the unsatisfiable core [2022-11-16 08:20:07,426 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:20:07,442 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:20:07,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:07,465 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:20:07,472 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:20:07,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:07,634 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:07,635 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:20:07,739 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:07,740 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 12 [2022-11-16 08:20:07,760 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:07,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:07,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 41 states and 103 transitions. [2022-11-16 08:20:07,806 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 103 transitions. [2022-11-16 08:20:07,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:20:07,806 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:07,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:07,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:07,863 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 52 conjunts are in the unsatisfiable core [2022-11-16 08:20:07,866 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:20:07,877 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:20:07,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:07,903 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:20:07,907 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:20:08,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:08,109 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:08,110 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:20:08,198 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:08,203 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:20:08,204 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:20:08,226 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:08,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:08,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 41 states and 103 transitions. [2022-11-16 08:20:08,254 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 103 transitions. [2022-11-16 08:20:08,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:20:08,255 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:08,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:08,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:08,302 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 55 conjunts are in the unsatisfiable core [2022-11-16 08:20:08,305 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:20:08,319 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:20:08,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:08,348 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:20:08,352 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:20:08,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:08,503 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:08,503 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:20:08,584 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:08,584 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 12 [2022-11-16 08:20:08,606 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:08,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:08,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 41 states and 103 transitions. [2022-11-16 08:20:08,630 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 103 transitions. [2022-11-16 08:20:08,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:20:08,631 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:08,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:08,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:08,680 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 55 conjunts are in the unsatisfiable core [2022-11-16 08:20:08,684 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:20:08,705 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:20:08,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:08,726 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:20:08,731 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:20:08,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:08,880 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:08,881 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:20:08,963 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:08,966 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 12 [2022-11-16 08:20:08,986 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:09,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:09,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 41 states and 103 transitions. [2022-11-16 08:20:09,010 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 103 transitions. [2022-11-16 08:20:09,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:20:09,011 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:09,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:09,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:09,073 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 47 conjunts are in the unsatisfiable core [2022-11-16 08:20:09,076 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:20:09,091 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:20:09,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:09,121 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:20:09,126 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:20:09,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:09,278 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:20:09,285 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:20:09,292 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:09,294 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:20:09,301 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:20:09,313 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:20:09,378 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:09,383 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:20:09,384 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:20:09,401 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:09,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:09,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 41 states and 103 transitions. [2022-11-16 08:20:09,425 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 103 transitions. [2022-11-16 08:20:09,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:20:09,425 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:09,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:09,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:09,470 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 53 conjunts are in the unsatisfiable core [2022-11-16 08:20:09,473 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:20:09,488 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:20:09,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:09,507 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:20:09,511 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:20:09,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:09,642 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:09,643 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:20:09,730 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:09,736 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:20:09,736 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:20:09,756 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:09,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:09,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 41 states and 103 transitions. [2022-11-16 08:20:09,780 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 103 transitions. [2022-11-16 08:20:09,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:20:09,780 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:09,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:09,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:09,829 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 48 conjunts are in the unsatisfiable core [2022-11-16 08:20:09,832 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:20:09,843 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:20:09,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:09,875 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:20:09,879 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:20:10,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:10,050 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:20:10,057 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:20:10,068 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:10,071 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:20:10,079 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:20:10,093 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:20:10,166 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:10,171 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:20:10,172 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:20:10,191 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:10,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:10,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 41 states and 103 transitions. [2022-11-16 08:20:10,211 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 103 transitions. [2022-11-16 08:20:10,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:20:10,212 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:10,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:10,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:10,254 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 49 conjunts are in the unsatisfiable core [2022-11-16 08:20:10,257 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:20:10,274 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:20:10,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:10,297 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:20:10,302 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:20:10,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:10,440 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:20:10,447 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:20:10,455 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:10,456 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:20:10,465 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:20:10,493 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:20:10,556 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:10,560 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:20:10,561 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:20:10,576 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:10,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:10,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 41 states and 103 transitions. [2022-11-16 08:20:10,605 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 103 transitions. [2022-11-16 08:20:10,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:20:10,605 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:10,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:10,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:10,655 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 56 conjunts are in the unsatisfiable core [2022-11-16 08:20:10,658 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:20:10,673 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:20:10,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:10,699 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:20:10,703 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:20:10,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:10,908 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:10,909 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:20:10,991 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:10,991 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 12 [2022-11-16 08:20:11,011 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:11,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:11,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 41 states and 103 transitions. [2022-11-16 08:20:11,031 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 103 transitions. [2022-11-16 08:20:11,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:20:11,031 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:11,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:11,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:11,072 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 50 conjunts are in the unsatisfiable core [2022-11-16 08:20:11,075 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:20:11,093 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:20:11,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:11,116 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:20:11,120 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:20:11,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:11,258 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:11,260 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:20:11,347 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:11,354 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:20:11,355 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:20:11,377 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:11,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:11,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 41 states and 103 transitions. [2022-11-16 08:20:11,397 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 103 transitions. [2022-11-16 08:20:11,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:20:11,397 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:11,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:11,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:11,439 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 52 conjunts are in the unsatisfiable core [2022-11-16 08:20:11,442 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:20:11,462 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:20:11,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:11,485 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:20:11,489 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:20:11,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:11,626 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:11,628 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:20:11,714 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:11,719 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:20:11,719 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:20:11,737 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:11,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:11,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 41 states and 103 transitions. [2022-11-16 08:20:11,756 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 103 transitions. [2022-11-16 08:20:11,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:20:11,757 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:11,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:11,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:11,828 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 53 conjunts are in the unsatisfiable core [2022-11-16 08:20:11,831 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:20:11,845 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:20:11,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:11,862 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:20:11,866 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:20:11,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:11,996 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:11,997 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:20:12,082 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:12,088 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:20:12,088 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:20:12,108 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:12,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:12,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 41 states and 103 transitions. [2022-11-16 08:20:12,130 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 103 transitions. [2022-11-16 08:20:12,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:20:12,131 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:12,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:12,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:12,183 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 52 conjunts are in the unsatisfiable core [2022-11-16 08:20:12,186 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:20:12,201 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:20:12,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:12,217 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:20:12,221 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:20:12,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:12,375 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:12,376 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:20:12,462 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:12,462 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 12 [2022-11-16 08:20:12,495 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:12,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:12,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 41 states and 103 transitions. [2022-11-16 08:20:12,521 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 103 transitions. [2022-11-16 08:20:12,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:20:12,521 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:12,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:12,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:12,567 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 52 conjunts are in the unsatisfiable core [2022-11-16 08:20:12,570 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:20:12,587 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:20:12,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:12,617 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:20:12,621 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:20:12,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:12,779 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:12,781 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:20:12,864 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:12,866 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 12 [2022-11-16 08:20:12,886 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:12,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:12,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 41 states and 103 transitions. [2022-11-16 08:20:12,907 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 103 transitions. [2022-11-16 08:20:12,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:20:12,908 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:12,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:12,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:12,950 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 50 conjunts are in the unsatisfiable core [2022-11-16 08:20:12,953 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:20:12,966 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:20:12,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:12,987 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:20:12,991 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:20:13,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:13,158 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:13,160 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:20:13,254 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:13,259 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:20:13,259 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:20:13,278 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:13,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:13,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 41 states and 103 transitions. [2022-11-16 08:20:13,298 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 103 transitions. [2022-11-16 08:20:13,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:20:13,298 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:13,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:13,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:13,342 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 50 conjunts are in the unsatisfiable core [2022-11-16 08:20:13,345 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:20:13,360 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:20:13,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:13,379 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:20:13,383 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:20:13,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:13,514 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:13,516 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:20:13,591 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:13,596 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:20:13,597 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:20:13,612 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:13,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:13,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 41 states and 103 transitions. [2022-11-16 08:20:13,633 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 103 transitions. [2022-11-16 08:20:13,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:20:13,633 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:13,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:13,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:13,682 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 51 conjunts are in the unsatisfiable core [2022-11-16 08:20:13,685 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:20:13,702 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:20:13,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:13,723 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:20:13,727 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:20:13,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:13,897 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:20:13,904 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:20:13,912 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:13,914 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:20:13,922 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:20:13,937 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:20:14,008 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:14,009 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 12 [2022-11-16 08:20:14,028 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:14,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:14,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 41 states and 103 transitions. [2022-11-16 08:20:14,049 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 103 transitions. [2022-11-16 08:20:14,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:20:14,049 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:14,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:14,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:14,094 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 51 conjunts are in the unsatisfiable core [2022-11-16 08:20:14,097 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:20:14,119 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:20:14,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:14,141 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 19 [2022-11-16 08:20:14,145 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 12 [2022-11-16 08:20:14,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:14,331 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:14,332 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:20:14,454 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:14,459 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:20:14,460 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:20:14,482 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:14,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:14,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 41 states and 103 transitions. [2022-11-16 08:20:14,515 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 103 transitions. [2022-11-16 08:20:14,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:20:14,515 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:14,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:14,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:14,571 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 53 conjunts are in the unsatisfiable core [2022-11-16 08:20:14,574 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:20:14,594 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:20:14,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:14,619 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2022-11-16 08:20:14,633 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2022-11-16 08:20:14,638 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 12 [2022-11-16 08:20:14,648 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 12 [2022-11-16 08:20:15,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:15,214 INFO L321 Elim1Store]: treesize reduction 28, result has 56.9 percent of original size [2022-11-16 08:20:15,214 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 90 treesize of output 93 [2022-11-16 08:20:15,610 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2022-11-16 08:20:15,657 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:16,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:16,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 41 states and 103 transitions. [2022-11-16 08:20:16,161 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 103 transitions. [2022-11-16 08:20:16,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:20:16,161 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:16,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:16,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:16,207 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 54 conjunts are in the unsatisfiable core [2022-11-16 08:20:16,210 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:20:16,222 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:20:16,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:16,250 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:20:16,255 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:20:16,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:16,412 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:16,413 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:20:16,495 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:16,500 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:20:16,500 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:20:16,518 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:16,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:16,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 41 states and 103 transitions. [2022-11-16 08:20:16,540 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 103 transitions. [2022-11-16 08:20:16,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:20:16,540 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:16,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:16,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:16,586 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 55 conjunts are in the unsatisfiable core [2022-11-16 08:20:16,589 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:20:16,608 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:20:16,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:16,639 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:20:16,643 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:20:16,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:16,792 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:16,792 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:20:16,883 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2022-11-16 08:20:16,922 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:16,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:16,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 41 states and 103 transitions. [2022-11-16 08:20:16,943 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 103 transitions. [2022-11-16 08:20:16,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:20:16,943 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:16,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:16,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:16,983 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 49 conjunts are in the unsatisfiable core [2022-11-16 08:20:16,986 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:20:17,001 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:20:17,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:17,019 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:20:17,024 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:20:17,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:17,161 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:20:17,168 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:20:17,176 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:17,178 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:20:17,186 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:20:17,200 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:20:17,266 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:17,271 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:20:17,271 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:20:17,290 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:17,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:17,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 41 states and 103 transitions. [2022-11-16 08:20:17,309 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 103 transitions. [2022-11-16 08:20:17,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:20:17,310 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:17,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:17,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:17,352 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 50 conjunts are in the unsatisfiable core [2022-11-16 08:20:17,355 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:20:17,368 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:20:17,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:17,386 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:20:17,390 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:20:17,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:17,523 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:17,524 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:20:17,621 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:17,627 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:20:17,627 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:20:17,647 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:17,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:17,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 41 states and 103 transitions. [2022-11-16 08:20:17,668 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 103 transitions. [2022-11-16 08:20:17,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:20:17,669 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:17,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:17,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:17,716 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 50 conjunts are in the unsatisfiable core [2022-11-16 08:20:17,719 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:20:17,734 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:20:17,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:17,762 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:20:17,766 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:20:17,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:17,909 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:17,910 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:20:17,995 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:18,000 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:20:18,001 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:20:18,019 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:18,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:18,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 41 states and 103 transitions. [2022-11-16 08:20:18,043 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 103 transitions. [2022-11-16 08:20:18,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:20:18,046 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:18,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:18,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:18,092 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 50 conjunts are in the unsatisfiable core [2022-11-16 08:20:18,096 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:20:18,115 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:20:18,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:18,135 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:20:18,139 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:20:18,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:18,291 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:18,292 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:20:18,404 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:18,410 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:20:18,411 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:20:18,432 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:18,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:18,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 41 states and 103 transitions. [2022-11-16 08:20:18,456 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 103 transitions. [2022-11-16 08:20:18,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:20:18,456 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:18,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:18,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:18,499 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 51 conjunts are in the unsatisfiable core [2022-11-16 08:20:18,502 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:20:18,516 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:20:18,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:18,543 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 19 [2022-11-16 08:20:18,547 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 12 [2022-11-16 08:20:18,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:18,714 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:18,716 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:20:18,795 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:18,800 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:20:18,800 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:20:18,821 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:18,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:18,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 41 states and 103 transitions. [2022-11-16 08:20:18,845 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 103 transitions. [2022-11-16 08:20:18,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:20:18,845 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:18,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:18,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:18,887 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 47 conjunts are in the unsatisfiable core [2022-11-16 08:20:18,889 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:20:18,903 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:20:18,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:18,930 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:20:18,934 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:20:19,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:19,068 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:20:19,075 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:20:19,086 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:19,088 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:20:19,097 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:20:19,112 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:20:19,188 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:19,193 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:20:19,193 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:20:19,209 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:19,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:19,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 41 states and 103 transitions. [2022-11-16 08:20:19,233 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 103 transitions. [2022-11-16 08:20:19,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:20:19,233 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:19,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:19,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:19,281 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 52 conjunts are in the unsatisfiable core [2022-11-16 08:20:19,284 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:20:19,299 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:20:19,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:19,326 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:20:19,330 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:20:19,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:19,478 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:19,480 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:20:19,568 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:19,573 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:20:19,573 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:20:19,591 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:19,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:19,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 41 states and 103 transitions. [2022-11-16 08:20:19,614 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 103 transitions. [2022-11-16 08:20:19,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:20:19,614 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:19,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:19,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:19,660 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 49 conjunts are in the unsatisfiable core [2022-11-16 08:20:19,662 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:20:19,681 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:20:19,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:19,703 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:20:19,707 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:20:19,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:19,849 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:20:19,868 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:20:19,876 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:19,878 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:20:19,904 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:20:19,916 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:20:19,984 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:19,999 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:20:20,001 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:20:20,020 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:20,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:20,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 41 states and 103 transitions. [2022-11-16 08:20:20,045 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 103 transitions. [2022-11-16 08:20:20,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:20:20,045 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:20,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:20,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:20,104 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 50 conjunts are in the unsatisfiable core [2022-11-16 08:20:20,107 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:20:20,121 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:20:20,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:20,150 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 19 [2022-11-16 08:20:20,153 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 12 [2022-11-16 08:20:20,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:20,327 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:20:20,333 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:20:20,340 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:20,342 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:20:20,350 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:20:20,364 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:20:20,427 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:20,432 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:20:20,432 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:20:20,449 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:20,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:20,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 41 states and 103 transitions. [2022-11-16 08:20:20,473 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 103 transitions. [2022-11-16 08:20:20,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:20:20,474 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:20,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:20,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:20,524 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 50 conjunts are in the unsatisfiable core [2022-11-16 08:20:20,527 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:20:20,543 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:20:20,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:20,557 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:20:20,561 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:20:20,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:20,699 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:20,700 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:20:20,782 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:20,787 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:20:20,787 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:20:20,805 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:20,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:20,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 41 states and 103 transitions. [2022-11-16 08:20:20,829 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 103 transitions. [2022-11-16 08:20:20,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:20:20,829 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:20,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:20,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:20,869 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 47 conjunts are in the unsatisfiable core [2022-11-16 08:20:20,873 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:20:20,889 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:20:20,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:20,912 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:20:20,916 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:20:21,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:21,052 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:20:21,059 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:20:21,067 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:21,069 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:20:21,078 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:20:21,093 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:20:21,165 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:21,170 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:20:21,171 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:20:21,190 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:21,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:21,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 41 states and 103 transitions. [2022-11-16 08:20:21,213 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 103 transitions. [2022-11-16 08:20:21,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:20:21,213 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:21,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:21,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:21,253 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 52 conjunts are in the unsatisfiable core [2022-11-16 08:20:21,256 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:20:21,271 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:20:21,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:21,294 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:20:21,299 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:20:21,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:21,462 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:21,463 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:20:21,545 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:21,552 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:20:21,552 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:20:21,572 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:21,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:21,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 41 states and 103 transitions. [2022-11-16 08:20:21,598 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 103 transitions. [2022-11-16 08:20:21,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:20:21,599 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:21,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:21,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:21,663 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 52 conjunts are in the unsatisfiable core [2022-11-16 08:20:21,666 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:20:21,683 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:20:21,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:21,702 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:20:21,706 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:20:21,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:21,844 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:21,846 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:20:21,928 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:21,933 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:20:21,933 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:20:21,951 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:21,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:21,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 41 states and 103 transitions. [2022-11-16 08:20:21,976 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 103 transitions. [2022-11-16 08:20:21,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:20:21,977 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:21,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:22,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:22,022 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 51 conjunts are in the unsatisfiable core [2022-11-16 08:20:22,032 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:20:22,050 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:20:22,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:22,075 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:20:22,079 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:20:22,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:22,241 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:22,242 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:20:22,330 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:22,336 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:20:22,336 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:20:22,354 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:22,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:22,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 41 states and 103 transitions. [2022-11-16 08:20:22,377 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 103 transitions. [2022-11-16 08:20:22,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:20:22,378 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:22,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:22,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:22,426 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 47 conjunts are in the unsatisfiable core [2022-11-16 08:20:22,429 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:20:22,443 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:20:22,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:22,469 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:20:22,473 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:20:22,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:22,619 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:20:22,625 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:20:22,633 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:22,635 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:20:22,643 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:20:22,658 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:20:22,725 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:22,729 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:20:22,730 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:20:22,747 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:22,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:22,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 41 states and 103 transitions. [2022-11-16 08:20:22,770 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 103 transitions. [2022-11-16 08:20:22,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:20:22,770 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:22,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:22,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:22,816 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 47 conjunts are in the unsatisfiable core [2022-11-16 08:20:22,819 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:20:22,834 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:20:22,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:22,862 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:20:22,866 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:20:23,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:23,025 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:20:23,032 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:20:23,039 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:23,041 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:20:23,048 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:20:23,061 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:20:23,123 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:23,128 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:20:23,129 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:20:23,146 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:23,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:23,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 41 states and 103 transitions. [2022-11-16 08:20:23,169 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 103 transitions. [2022-11-16 08:20:23,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:20:23,170 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:23,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:23,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:23,217 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 48 conjunts are in the unsatisfiable core [2022-11-16 08:20:23,220 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:20:23,236 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:20:23,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:23,253 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:20:23,256 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:20:23,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:23,418 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:20:23,424 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:20:23,431 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:23,434 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:20:23,442 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:20:23,457 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:20:23,523 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:23,528 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:20:23,528 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:20:23,546 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:23,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:23,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 41 states and 103 transitions. [2022-11-16 08:20:23,569 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 103 transitions. [2022-11-16 08:20:23,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:20:23,570 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:23,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:23,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:23,612 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 49 conjunts are in the unsatisfiable core [2022-11-16 08:20:23,614 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:20:23,631 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:20:23,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:23,648 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:20:23,652 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:20:23,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:23,785 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:20:23,792 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:20:23,799 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:23,801 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:20:23,809 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:20:23,823 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:20:23,888 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:23,893 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:20:23,894 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:20:23,911 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:23,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:23,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 41 states and 103 transitions. [2022-11-16 08:20:23,935 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 103 transitions. [2022-11-16 08:20:23,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:20:23,935 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:23,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:23,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:23,978 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 55 conjunts are in the unsatisfiable core [2022-11-16 08:20:23,981 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:20:24,001 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:20:24,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:24,025 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:20:24,030 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:20:24,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:24,182 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:24,183 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:20:24,268 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2022-11-16 08:20:24,308 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:24,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:24,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:20:24,445 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:20:24,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:20:24,445 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:24,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:24,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:24,505 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 50 conjunts are in the unsatisfiable core [2022-11-16 08:20:24,508 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:20:24,522 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:20:24,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:24,545 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:20:24,550 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:20:24,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:24,703 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:20:24,709 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:20:24,716 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:24,718 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:20:24,725 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:20:24,738 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:20:24,802 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:24,806 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:20:24,807 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:20:24,825 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:24,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:24,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:20:24,859 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:20:24,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:20:24,859 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:24,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:24,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:24,902 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 50 conjunts are in the unsatisfiable core [2022-11-16 08:20:24,905 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:20:24,920 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:20:24,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:24,943 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:20:24,947 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:20:25,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:25,084 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:25,086 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:20:25,167 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:25,171 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:20:25,172 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:20:25,189 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:25,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:25,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:20:25,217 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:20:25,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:20:25,218 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:25,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:25,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:25,262 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 51 conjunts are in the unsatisfiable core [2022-11-16 08:20:25,264 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:20:25,275 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:20:25,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:25,302 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:20:25,306 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:20:25,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:25,438 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:25,439 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:20:25,516 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:25,521 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:20:25,521 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:20:25,540 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:25,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:25,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:20:25,572 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:20:25,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:20:25,573 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:25,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:25,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:25,614 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 53 conjunts are in the unsatisfiable core [2022-11-16 08:20:25,616 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:20:25,634 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:20:25,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:25,655 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:20:25,659 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:20:25,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:25,825 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:25,825 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:20:25,909 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:25,914 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:20:25,914 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:20:25,932 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:25,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:25,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:20:25,956 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:20:25,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:20:25,957 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:25,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:26,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:26,015 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 49 conjunts are in the unsatisfiable core [2022-11-16 08:20:26,017 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:20:26,034 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:20:26,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:26,051 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:20:26,055 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:20:26,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:26,192 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:20:26,198 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:20:26,205 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:26,207 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:20:26,214 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:20:26,226 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:20:26,288 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:26,293 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:20:26,293 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:20:26,311 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:26,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:26,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:20:26,335 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:20:26,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:20:26,336 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:26,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:26,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:26,385 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 53 conjunts are in the unsatisfiable core [2022-11-16 08:20:26,388 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:20:26,404 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:20:26,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:26,423 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:20:26,427 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:20:26,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:26,569 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:26,570 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:20:26,639 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2022-11-16 08:20:26,678 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:26,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:26,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:20:26,699 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:20:26,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:20:26,699 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:26,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:26,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:26,744 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 50 conjunts are in the unsatisfiable core [2022-11-16 08:20:26,746 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:20:26,761 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:20:26,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:26,781 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 19 [2022-11-16 08:20:26,785 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 12 [2022-11-16 08:20:26,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:26,948 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:20:26,955 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:20:26,962 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:26,964 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:20:26,971 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:20:26,986 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:20:27,055 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:27,060 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:20:27,060 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:20:27,078 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:27,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:27,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:20:27,103 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:20:27,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:20:27,103 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:27,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:27,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:27,147 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 54 conjunts are in the unsatisfiable core [2022-11-16 08:20:27,150 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:20:27,164 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:20:27,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:27,182 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 19 [2022-11-16 08:20:27,186 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 12 [2022-11-16 08:20:27,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:27,354 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:27,355 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:20:27,440 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:27,445 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:20:27,446 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:20:27,463 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:27,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:27,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:20:27,508 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:20:27,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:20:27,509 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:27,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:27,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:27,551 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 51 conjunts are in the unsatisfiable core [2022-11-16 08:20:27,554 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:20:27,572 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:20:27,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:27,583 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 23 [2022-11-16 08:20:27,586 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 20 [2022-11-16 08:20:27,590 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:20:27,596 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:20:27,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:27,968 INFO L321 Elim1Store]: treesize reduction 44, result has 32.3 percent of original size [2022-11-16 08:20:27,968 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 90 treesize of output 77 [2022-11-16 08:20:28,058 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2022-11-16 08:20:28,073 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:28,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:28,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:20:28,093 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:20:28,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:20:28,097 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:28,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:28,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:28,139 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 55 conjunts are in the unsatisfiable core [2022-11-16 08:20:28,143 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:20:28,159 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:20:28,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:28,183 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:20:28,187 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:20:28,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:28,334 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:28,335 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:20:28,411 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2022-11-16 08:20:28,443 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:28,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:28,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:20:28,464 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:20:28,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:20:28,464 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:28,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:28,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:28,505 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 52 conjunts are in the unsatisfiable core [2022-11-16 08:20:28,507 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:20:28,523 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:20:28,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:28,540 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:20:28,543 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:20:28,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:28,699 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:28,700 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:20:28,775 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:28,780 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:20:28,780 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:20:28,799 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:28,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:28,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:20:28,826 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:20:28,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:20:28,826 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:28,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:28,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:28,870 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 50 conjunts are in the unsatisfiable core [2022-11-16 08:20:28,873 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:20:28,890 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:20:28,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:28,910 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:20:28,914 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:20:29,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:29,052 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:29,053 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:20:29,132 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:29,137 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:20:29,137 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:20:29,171 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:29,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:29,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:20:29,196 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:20:29,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:20:29,196 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:29,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:29,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:29,249 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 47 conjunts are in the unsatisfiable core [2022-11-16 08:20:29,251 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:20:29,267 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:20:29,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:29,287 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:20:29,290 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:20:29,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:29,412 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:20:29,418 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:20:29,425 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:29,427 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:20:29,434 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:20:29,452 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:20:29,517 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:29,522 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:20:29,523 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:20:29,542 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:29,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:29,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:20:29,579 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:20:29,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:20:29,579 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:29,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:29,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:29,626 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 53 conjunts are in the unsatisfiable core [2022-11-16 08:20:29,630 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:20:29,645 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:20:29,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:29,674 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 19 [2022-11-16 08:20:29,678 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 12 [2022-11-16 08:20:29,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:29,850 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:29,852 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:20:29,932 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:29,937 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:20:29,937 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:20:29,954 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:29,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:29,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:20:29,980 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:20:29,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:20:29,981 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:29,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:30,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:30,028 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 49 conjunts are in the unsatisfiable core [2022-11-16 08:20:30,031 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:20:30,047 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:20:30,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:30,072 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:20:30,077 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:20:30,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:30,226 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:20:30,232 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:20:30,240 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:30,241 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:20:30,249 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:20:30,264 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:20:30,328 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:30,333 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:20:30,334 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:20:30,350 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:30,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:30,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:20:30,375 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:20:30,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:20:30,376 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:30,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:30,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:30,425 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 49 conjunts are in the unsatisfiable core [2022-11-16 08:20:30,428 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:20:30,445 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:20:30,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:30,462 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:20:30,466 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:20:30,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:30,624 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:20:30,631 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:20:30,639 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:30,641 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:20:30,650 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:20:30,684 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:20:30,749 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:30,754 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:20:30,754 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:20:30,773 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:30,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:30,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:20:30,799 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:20:30,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:20:30,800 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:30,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:30,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:30,845 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 54 conjunts are in the unsatisfiable core [2022-11-16 08:20:30,848 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:20:30,866 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:20:30,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:30,885 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:20:30,889 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:20:31,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:31,055 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:31,056 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:20:31,133 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:31,138 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:20:31,139 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:20:31,156 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:31,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:31,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:20:31,182 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:20:31,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:20:31,182 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:31,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:31,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:31,226 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 55 conjunts are in the unsatisfiable core [2022-11-16 08:20:31,229 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:20:31,241 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:20:31,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:31,270 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:20:31,274 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:20:31,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:31,431 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:31,431 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:20:31,509 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2022-11-16 08:20:31,545 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:31,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:31,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:20:31,568 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:20:31,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:20:31,569 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:31,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:31,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:31,612 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 51 conjunts are in the unsatisfiable core [2022-11-16 08:20:31,615 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:20:31,625 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:20:31,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:31,649 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:20:31,653 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:20:31,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:31,796 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:31,797 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:20:31,890 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:31,896 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:20:31,896 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:20:31,915 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:31,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:31,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:20:31,942 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:20:31,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:20:31,943 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:31,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:31,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:31,986 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 51 conjunts are in the unsatisfiable core [2022-11-16 08:20:31,988 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:20:32,004 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:20:32,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:32,040 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:20:32,045 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:20:32,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:32,203 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:20:32,211 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:20:32,219 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:32,220 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:20:32,246 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:20:32,260 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:20:32,318 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2022-11-16 08:20:32,352 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:32,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:32,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:20:32,374 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:20:32,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:20:32,375 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:32,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:32,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:32,420 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 54 conjunts are in the unsatisfiable core [2022-11-16 08:20:32,423 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:20:32,435 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:20:32,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:32,461 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:20:32,465 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:20:32,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:32,617 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:32,617 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:20:32,691 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:32,696 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:20:32,696 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:20:32,712 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:32,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:32,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:20:32,736 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:20:32,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:20:32,736 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:32,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:32,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:32,782 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 52 conjunts are in the unsatisfiable core [2022-11-16 08:20:32,784 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:20:32,797 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:20:32,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:32,817 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:20:32,820 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:20:32,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:32,947 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:32,948 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:20:33,023 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:33,028 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:20:33,028 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:20:33,044 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:33,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:33,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:20:33,071 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:20:33,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:20:33,071 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:33,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:33,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:33,112 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 47 conjunts are in the unsatisfiable core [2022-11-16 08:20:33,114 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:20:33,128 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:20:33,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:33,151 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:20:33,154 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:20:33,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:33,284 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:20:33,290 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:20:33,298 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:33,299 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:20:33,307 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:20:33,320 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:20:33,385 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:33,390 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:20:33,390 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:20:33,408 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:33,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:33,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:20:33,433 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:20:33,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:20:33,433 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:33,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:33,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:33,481 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 53 conjunts are in the unsatisfiable core [2022-11-16 08:20:33,486 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:20:33,503 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:20:33,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:33,524 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:20:33,528 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:20:33,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:33,716 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:33,717 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:20:33,783 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2022-11-16 08:20:33,816 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:33,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:33,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:20:33,835 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:20:33,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:20:33,836 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:33,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:33,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:33,877 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 50 conjunts are in the unsatisfiable core [2022-11-16 08:20:33,880 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:20:33,892 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:20:33,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:33,913 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:20:33,917 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:20:34,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:34,045 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:34,046 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:20:34,124 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:34,130 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:20:34,130 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:20:34,146 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:34,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:34,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:20:34,165 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:20:34,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:20:34,165 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:34,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:34,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:34,213 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 53 conjunts are in the unsatisfiable core [2022-11-16 08:20:34,215 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:20:34,230 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:20:34,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:34,250 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:20:34,254 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:20:34,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:34,388 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:34,389 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:20:34,465 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:34,470 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:20:34,470 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:20:34,489 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:34,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:34,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:20:34,509 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:20:34,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:20:34,510 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:34,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:34,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:34,552 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 47 conjunts are in the unsatisfiable core [2022-11-16 08:20:34,555 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:20:34,571 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:20:34,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:34,584 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:20:34,588 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:20:34,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:34,726 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:20:34,733 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:20:34,740 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:34,742 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:20:34,750 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:20:34,764 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:20:34,829 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:34,834 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:20:34,834 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:20:34,850 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:34,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:34,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:20:34,870 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:20:34,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:20:34,871 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:34,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:34,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:34,923 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 53 conjunts are in the unsatisfiable core [2022-11-16 08:20:34,926 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:20:34,942 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:20:34,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:34,967 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:20:34,971 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:20:35,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:35,154 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:35,155 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:20:35,233 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:35,238 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:20:35,238 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:20:35,259 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:35,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:35,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:20:35,284 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:20:35,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:20:35,286 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:35,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:35,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:35,340 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 47 conjunts are in the unsatisfiable core [2022-11-16 08:20:35,346 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:20:35,360 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:20:35,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:35,379 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:20:35,382 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:20:35,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:35,501 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:20:35,507 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:20:35,514 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:35,516 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:20:35,522 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:20:35,536 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:20:35,597 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:35,604 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:20:35,604 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:20:35,622 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:35,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:35,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:20:35,645 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:20:35,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:20:35,645 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:35,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:35,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:35,690 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 53 conjunts are in the unsatisfiable core [2022-11-16 08:20:35,692 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:20:35,706 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:20:35,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:35,721 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 19 [2022-11-16 08:20:35,725 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 12 [2022-11-16 08:20:35,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:35,918 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:35,920 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:20:35,998 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:36,003 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:20:36,004 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:20:36,022 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:36,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:36,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:20:36,043 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:20:36,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:20:36,043 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:36,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:36,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:36,085 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 55 conjunts are in the unsatisfiable core [2022-11-16 08:20:36,088 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:20:36,105 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:20:36,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:36,129 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:20:36,133 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:20:36,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:36,324 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:36,326 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:20:36,399 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2022-11-16 08:20:36,431 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:36,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:36,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:20:36,451 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:20:36,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:20:36,451 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:36,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:36,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:36,489 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 52 conjunts are in the unsatisfiable core [2022-11-16 08:20:36,492 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:20:36,508 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:20:36,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:36,525 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:20:36,529 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:20:36,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:36,681 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:36,683 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:20:36,757 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:36,761 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:20:36,762 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:20:36,778 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:36,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:36,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:20:36,796 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:20:36,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:20:36,796 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:36,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:36,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:36,844 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 52 conjunts are in the unsatisfiable core [2022-11-16 08:20:36,847 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:20:36,861 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:20:36,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:36,885 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:20:36,888 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:20:37,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:37,016 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:37,018 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:20:37,090 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:37,095 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:20:37,095 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:20:37,113 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:37,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:37,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:20:37,133 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:20:37,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:20:37,133 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:37,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:37,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:37,174 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 52 conjunts are in the unsatisfiable core [2022-11-16 08:20:37,177 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:20:37,193 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:20:37,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:37,215 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:20:37,219 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:20:37,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:37,339 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:37,341 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:20:37,423 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:37,428 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:20:37,428 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:20:37,446 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:37,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:37,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:20:37,468 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:20:37,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:20:37,468 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:37,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:37,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:37,508 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 53 conjunts are in the unsatisfiable core [2022-11-16 08:20:37,510 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:20:37,520 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:20:37,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:37,540 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 23 [2022-11-16 08:20:37,544 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 20 [2022-11-16 08:20:37,562 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:20:37,570 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:20:38,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:38,057 INFO L321 Elim1Store]: treesize reduction 28, result has 56.9 percent of original size [2022-11-16 08:20:38,058 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 90 treesize of output 93 [2022-11-16 08:20:38,236 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2022-11-16 08:20:38,277 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:38,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:38,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:20:38,318 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:20:38,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:20:38,318 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:38,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:38,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:38,360 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 47 conjunts are in the unsatisfiable core [2022-11-16 08:20:38,363 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:20:38,378 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:20:38,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:38,395 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:20:38,399 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:20:38,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:38,520 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:20:38,526 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:20:38,533 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:38,535 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:20:38,542 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:20:38,554 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:20:38,618 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:38,623 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:20:38,623 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:20:38,641 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:38,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:38,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:20:38,665 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:20:38,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:20:38,665 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:38,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:38,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:38,711 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 52 conjunts are in the unsatisfiable core [2022-11-16 08:20:38,714 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:20:38,727 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:20:38,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:38,749 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:20:38,753 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:20:38,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:38,890 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:38,892 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:20:38,969 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:38,974 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:20:38,974 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:20:38,991 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:39,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:39,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:20:39,018 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:20:39,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:20:39,019 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:39,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:39,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:39,062 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 49 conjunts are in the unsatisfiable core [2022-11-16 08:20:39,065 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:20:39,083 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:20:39,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:39,100 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:20:39,104 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:20:39,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:39,246 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:20:39,253 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:20:39,260 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:39,262 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:20:39,269 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:20:39,283 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:20:39,357 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:39,362 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:20:39,362 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:20:39,380 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:39,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:39,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:20:39,406 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:20:39,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:20:39,406 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:39,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:39,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:39,451 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 55 conjunts are in the unsatisfiable core [2022-11-16 08:20:39,454 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:20:39,469 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:20:39,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:39,493 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:20:39,498 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:20:39,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:39,652 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:39,653 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:20:39,764 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2022-11-16 08:20:39,797 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:39,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:39,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:20:39,820 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:20:39,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:20:39,820 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:39,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:39,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:39,862 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 53 conjunts are in the unsatisfiable core [2022-11-16 08:20:39,865 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:20:39,877 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:20:39,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:39,899 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:20:39,902 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:20:40,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:40,046 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:40,046 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:20:40,118 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2022-11-16 08:20:40,152 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:40,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:40,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:20:40,175 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:20:40,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:20:40,175 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:40,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:40,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:40,224 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 53 conjunts are in the unsatisfiable core [2022-11-16 08:20:40,226 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:20:40,244 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:20:40,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:40,265 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:20:40,269 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:20:40,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:40,396 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:40,397 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:20:40,469 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2022-11-16 08:20:40,503 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:40,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:40,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:20:40,525 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:20:40,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:20:40,525 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:40,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:40,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:40,568 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 51 conjunts are in the unsatisfiable core [2022-11-16 08:20:40,571 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:20:40,590 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:20:40,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:40,608 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 23 [2022-11-16 08:20:40,613 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 20 [2022-11-16 08:20:40,616 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:20:40,623 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:20:40,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:40,992 INFO L321 Elim1Store]: treesize reduction 44, result has 32.3 percent of original size [2022-11-16 08:20:40,993 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 90 treesize of output 77 [2022-11-16 08:20:41,076 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2022-11-16 08:20:41,092 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:41,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:41,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:20:41,114 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:20:41,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:20:41,115 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:41,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:41,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:41,157 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 50 conjunts are in the unsatisfiable core [2022-11-16 08:20:41,160 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:20:41,175 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:20:41,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:41,198 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:20:41,203 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:20:41,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:41,338 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:41,340 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:20:41,432 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:41,437 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:20:41,437 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:20:41,454 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:41,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:41,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:20:41,478 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:20:41,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:20:41,479 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:41,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:41,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:41,518 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 52 conjunts are in the unsatisfiable core [2022-11-16 08:20:41,521 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:20:41,538 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:20:41,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:41,560 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:20:41,563 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:20:41,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:41,685 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:41,687 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:20:41,764 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:41,769 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:20:41,769 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:20:41,786 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:41,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:41,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:20:41,812 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:20:41,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:20:41,812 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:41,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:41,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:41,858 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 52 conjunts are in the unsatisfiable core [2022-11-16 08:20:41,860 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:20:41,874 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:20:41,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:41,894 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:20:41,898 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:20:42,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:42,027 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:42,029 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:20:42,104 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:42,109 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:20:42,109 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:20:42,126 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:42,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:42,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:20:42,145 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:20:42,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:20:42,145 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:42,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:42,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:42,185 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 50 conjunts are in the unsatisfiable core [2022-11-16 08:20:42,187 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:20:42,197 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:20:42,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:42,224 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:20:42,227 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:20:42,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:42,378 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:20:42,385 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:20:42,393 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:42,394 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:20:42,402 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:20:42,422 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:20:42,497 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:42,502 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:20:42,502 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:20:42,520 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:42,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:42,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:20:42,539 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:20:42,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:20:42,539 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:42,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:42,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:42,588 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 53 conjunts are in the unsatisfiable core [2022-11-16 08:20:42,591 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:20:42,610 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:20:42,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:42,632 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:20:42,650 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:20:42,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:42,844 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:42,844 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:20:42,913 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2022-11-16 08:20:42,949 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:42,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:42,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:20:42,976 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:20:42,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:20:42,977 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:42,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:43,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:43,023 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 50 conjunts are in the unsatisfiable core [2022-11-16 08:20:43,026 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:20:43,042 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:20:43,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:43,064 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:20:43,068 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:20:43,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:43,193 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:43,194 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:20:43,273 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:43,278 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:20:43,278 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:20:43,294 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:43,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:43,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:20:43,313 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:20:43,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:20:43,314 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:43,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:43,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:43,357 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 52 conjunts are in the unsatisfiable core [2022-11-16 08:20:43,360 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:20:43,375 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:20:43,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:43,396 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:20:43,400 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:20:43,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:43,529 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:43,534 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:20:43,611 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:43,616 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:20:43,616 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:20:43,632 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:43,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:43,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:20:43,654 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:20:43,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:20:43,654 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:43,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:43,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:43,698 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 48 conjunts are in the unsatisfiable core [2022-11-16 08:20:43,701 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:20:43,717 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:20:43,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:43,740 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 19 [2022-11-16 08:20:43,745 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 12 [2022-11-16 08:20:43,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:43,918 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:20:43,936 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:20:43,944 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:43,945 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:20:43,952 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:20:43,967 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:20:44,036 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:44,041 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:20:44,041 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:20:44,059 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:44,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:44,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:20:44,080 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:20:44,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:20:44,081 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:44,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:44,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:44,129 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 47 conjunts are in the unsatisfiable core [2022-11-16 08:20:44,132 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:20:44,147 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:20:44,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:44,172 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:20:44,177 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:20:44,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:44,337 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:20:44,343 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:20:44,350 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:44,351 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:20:44,359 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:20:44,372 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:20:44,434 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:44,439 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:20:44,440 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:20:44,457 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:44,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:44,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:20:44,479 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:20:44,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:20:44,479 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:44,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:44,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:44,519 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 50 conjunts are in the unsatisfiable core [2022-11-16 08:20:44,522 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:20:44,537 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:20:44,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:44,555 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:20:44,559 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:20:44,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:44,692 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:44,693 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:20:44,771 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:44,776 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:20:44,777 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:20:44,795 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:44,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:44,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:20:44,817 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:20:44,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:20:44,817 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:44,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:44,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:44,861 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 50 conjunts are in the unsatisfiable core [2022-11-16 08:20:44,863 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:20:44,877 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:20:44,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:44,898 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 23 [2022-11-16 08:20:44,902 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 20 [2022-11-16 08:20:44,906 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:20:44,912 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:20:45,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:45,276 INFO L321 Elim1Store]: treesize reduction 28, result has 56.9 percent of original size [2022-11-16 08:20:45,276 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 90 treesize of output 93 [2022-11-16 08:20:45,422 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2022-11-16 08:20:45,435 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:45,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:45,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:20:45,456 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:20:45,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:20:45,457 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:45,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:45,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:45,502 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 52 conjunts are in the unsatisfiable core [2022-11-16 08:20:45,505 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:20:45,521 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:20:45,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:45,544 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:20:45,547 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:20:45,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:45,689 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:45,690 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:20:45,769 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:45,774 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:20:45,774 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:20:45,790 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:45,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:45,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:20:45,832 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:20:45,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:20:45,834 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:45,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:45,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:45,884 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 53 conjunts are in the unsatisfiable core [2022-11-16 08:20:45,887 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:20:45,906 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:20:45,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:45,925 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:20:45,930 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:20:46,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:46,098 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:46,099 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:20:46,180 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2022-11-16 08:20:46,217 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:46,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:46,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:20:46,244 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:20:46,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:20:46,244 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:46,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:46,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:46,291 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 47 conjunts are in the unsatisfiable core [2022-11-16 08:20:46,294 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:20:46,311 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:20:46,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:46,333 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:20:46,337 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:20:46,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:46,471 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:20:46,477 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:20:46,484 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:46,486 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:20:46,494 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:20:46,508 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:20:46,573 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:46,577 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:20:46,578 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:20:46,595 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:46,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:46,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:20:46,616 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:20:46,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:20:46,616 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:46,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:46,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:46,665 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 51 conjunts are in the unsatisfiable core [2022-11-16 08:20:46,668 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:20:46,683 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:20:46,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:46,708 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:20:46,712 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:20:46,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:46,881 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:46,882 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:20:46,974 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:46,979 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:20:46,980 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:20:46,999 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:47,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:47,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:20:47,023 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:20:47,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:20:47,026 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:47,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:47,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:47,075 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 52 conjunts are in the unsatisfiable core [2022-11-16 08:20:47,077 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:20:47,094 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:20:47,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:47,117 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:20:47,122 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:20:47,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:47,257 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:47,258 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:20:47,337 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:47,341 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:20:47,342 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:20:47,358 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:47,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:47,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:20:47,384 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:20:47,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:20:47,384 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:47,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:47,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:47,426 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 47 conjunts are in the unsatisfiable core [2022-11-16 08:20:47,429 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:20:47,447 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:20:47,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:47,475 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:20:47,480 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:20:47,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:47,607 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:20:47,614 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:20:47,637 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:47,641 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:20:47,653 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:20:47,667 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:20:47,741 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:47,746 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:20:47,746 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:20:47,764 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:47,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:47,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:20:47,791 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:20:47,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:20:47,792 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:47,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:47,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:47,835 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 50 conjunts are in the unsatisfiable core [2022-11-16 08:20:47,837 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:20:47,850 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:20:47,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:47,869 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:20:47,873 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:20:48,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:48,005 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:48,006 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:20:48,089 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:48,099 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:20:48,099 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:20:48,119 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:48,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:48,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:20:48,147 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:20:48,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:20:48,147 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:48,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:48,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:48,190 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 55 conjunts are in the unsatisfiable core [2022-11-16 08:20:48,192 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:20:48,205 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:20:48,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:48,228 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:20:48,232 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:20:48,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:48,377 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:48,377 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:20:48,454 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2022-11-16 08:20:48,486 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:48,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:48,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:20:48,510 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:20:48,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:20:48,510 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:48,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:48,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:48,552 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 53 conjunts are in the unsatisfiable core [2022-11-16 08:20:48,555 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:20:48,573 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:20:48,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:48,589 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:20:48,593 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:20:48,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:48,734 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:48,735 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:20:48,815 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2022-11-16 08:20:48,849 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:48,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:48,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:20:48,876 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:20:48,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:20:48,876 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:48,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:48,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:48,923 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 55 conjunts are in the unsatisfiable core [2022-11-16 08:20:48,925 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:20:48,947 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:20:48,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:48,973 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 23 [2022-11-16 08:20:48,978 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 20 [2022-11-16 08:20:48,983 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:20:48,991 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:20:49,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:49,482 INFO L321 Elim1Store]: treesize reduction 28, result has 56.9 percent of original size [2022-11-16 08:20:49,482 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 90 treesize of output 93 [2022-11-16 08:20:49,647 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2022-11-16 08:20:49,709 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:49,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:49,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:20:49,732 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:20:49,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:20:49,733 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:49,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:49,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:49,776 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 53 conjunts are in the unsatisfiable core [2022-11-16 08:20:49,778 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:20:49,794 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:20:49,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:49,810 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:20:49,813 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:20:49,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:49,935 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:49,936 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:20:50,012 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:50,019 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:20:50,019 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:20:50,037 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:50,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:50,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:20:50,063 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:20:50,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:20:50,064 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:50,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:50,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:50,109 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 53 conjunts are in the unsatisfiable core [2022-11-16 08:20:50,111 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:20:50,128 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:20:50,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:50,148 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 19 [2022-11-16 08:20:50,151 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 12 [2022-11-16 08:20:50,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:50,301 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:50,303 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:20:50,379 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:50,383 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:20:50,384 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:20:50,401 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:50,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:50,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:20:50,424 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:20:50,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:20:50,425 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:50,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:50,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:50,473 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 51 conjunts are in the unsatisfiable core [2022-11-16 08:20:50,476 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:20:50,492 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:20:50,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:50,515 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 23 [2022-11-16 08:20:50,519 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 20 [2022-11-16 08:20:50,522 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:20:50,529 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:20:50,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:50,873 INFO L321 Elim1Store]: treesize reduction 44, result has 32.3 percent of original size [2022-11-16 08:20:50,874 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 90 treesize of output 77 [2022-11-16 08:20:50,947 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2022-11-16 08:20:50,962 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:50,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:50,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:20:50,986 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:20:50,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:20:50,986 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:50,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:51,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:51,038 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 47 conjunts are in the unsatisfiable core [2022-11-16 08:20:51,041 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:20:51,059 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:20:51,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:51,079 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:20:51,083 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:20:51,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:51,219 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:20:51,226 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:20:51,233 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:51,235 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:20:51,243 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:20:51,256 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:20:51,321 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:51,326 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:20:51,326 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:20:51,343 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:51,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:51,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:20:51,368 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:20:51,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:20:51,368 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:51,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:51,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:51,413 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 49 conjunts are in the unsatisfiable core [2022-11-16 08:20:51,416 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:20:51,433 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:20:51,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:51,453 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:20:51,457 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:20:51,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:51,624 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:20:51,630 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:20:51,637 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:51,639 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:20:51,647 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:20:51,661 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:20:51,728 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:51,733 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:20:51,734 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:20:51,752 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:51,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:51,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:20:51,778 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:20:51,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:20:51,779 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:51,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:51,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:51,819 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 55 conjunts are in the unsatisfiable core [2022-11-16 08:20:51,821 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:20:51,829 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:20:51,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:51,857 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:20:51,862 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:20:51,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:52,001 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:52,001 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:20:52,080 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2022-11-16 08:20:52,116 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:52,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:52,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:20:52,140 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:20:52,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:20:52,140 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:52,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:52,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:52,189 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 50 conjunts are in the unsatisfiable core [2022-11-16 08:20:52,192 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:20:52,211 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:20:52,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:52,233 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:20:52,238 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:20:52,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:52,395 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:20:52,401 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:20:52,407 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:52,409 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:20:52,416 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:20:52,429 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:20:52,492 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:52,497 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:20:52,497 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:20:52,513 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:52,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:52,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:20:52,538 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:20:52,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:20:52,538 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:52,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:52,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:52,578 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 55 conjunts are in the unsatisfiable core [2022-11-16 08:20:52,581 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:20:52,594 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:20:52,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:52,615 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:20:52,618 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:20:52,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:52,770 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:52,771 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:20:52,847 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2022-11-16 08:20:52,880 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:52,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:52,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:20:52,902 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:20:52,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:20:52,903 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:52,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:52,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:52,954 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 55 conjunts are in the unsatisfiable core [2022-11-16 08:20:52,957 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:20:52,974 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:20:52,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:52,995 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:20:52,999 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:20:53,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:53,166 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:53,167 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:20:53,252 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2022-11-16 08:20:53,285 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:53,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:53,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:20:53,325 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:20:53,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:20:53,325 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:53,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:53,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:53,368 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 55 conjunts are in the unsatisfiable core [2022-11-16 08:20:53,371 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:20:53,384 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:20:53,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:53,406 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:20:53,409 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:20:53,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:53,545 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:53,546 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:20:53,620 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2022-11-16 08:20:53,655 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:53,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:53,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:20:53,678 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:20:53,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:20:53,678 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:53,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:53,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:53,731 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 52 conjunts are in the unsatisfiable core [2022-11-16 08:20:53,734 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:20:53,753 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:20:53,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:53,771 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:20:53,774 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:20:53,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:53,904 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:53,906 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:20:53,983 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:53,988 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:20:53,988 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:20:54,004 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:54,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:54,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:20:54,030 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:20:54,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:20:54,033 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:54,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:54,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:54,080 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 51 conjunts are in the unsatisfiable core [2022-11-16 08:20:54,083 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:20:54,097 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:20:54,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:54,122 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 19 [2022-11-16 08:20:54,126 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 12 [2022-11-16 08:20:54,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:54,284 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:54,286 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:20:54,365 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:54,370 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:20:54,371 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:20:54,387 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:54,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:54,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:20:54,412 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:20:54,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:20:54,412 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:54,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:54,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:54,454 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 53 conjunts are in the unsatisfiable core [2022-11-16 08:20:54,457 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:20:54,470 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:20:54,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:54,491 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:20:54,495 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:20:54,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:54,662 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:54,663 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:20:54,748 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:54,753 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:20:54,753 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:20:54,772 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:54,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:54,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:20:54,797 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:20:54,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:20:54,798 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:54,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:54,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:54,846 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 49 conjunts are in the unsatisfiable core [2022-11-16 08:20:54,849 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:20:54,865 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:20:54,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:54,889 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:20:54,894 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:20:55,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:55,058 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:20:55,094 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:20:55,102 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:55,104 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:20:55,113 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:20:55,128 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:20:55,195 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:55,201 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:20:55,201 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:20:55,220 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:55,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:55,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:20:55,247 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:20:55,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:20:55,247 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:55,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:55,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:55,290 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 52 conjunts are in the unsatisfiable core [2022-11-16 08:20:55,293 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:20:55,309 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:20:55,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:55,325 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:20:55,329 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:20:55,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:55,459 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:55,461 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:20:55,539 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:55,544 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:20:55,544 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:20:55,561 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:55,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:55,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:20:55,588 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:20:55,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:20:55,589 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:55,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:55,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:55,634 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 50 conjunts are in the unsatisfiable core [2022-11-16 08:20:55,637 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:20:55,652 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:20:55,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:55,671 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:20:55,675 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:20:55,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:55,815 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:55,816 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:20:55,899 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:55,904 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:20:55,904 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:20:55,922 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:55,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:55,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:20:55,947 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:20:55,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:20:55,947 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:55,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:55,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:55,991 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 50 conjunts are in the unsatisfiable core [2022-11-16 08:20:55,994 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:20:56,009 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:20:56,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:56,030 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:20:56,034 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:20:56,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:56,176 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:56,177 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:20:56,259 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:56,263 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:20:56,264 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:20:56,281 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:56,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:56,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:20:56,305 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:20:56,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:20:56,306 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:56,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:56,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:56,354 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 54 conjunts are in the unsatisfiable core [2022-11-16 08:20:56,356 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:20:56,374 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:20:56,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:56,386 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:20:56,391 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:20:56,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:56,546 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:56,547 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:20:56,625 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2022-11-16 08:20:56,658 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:56,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:56,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:20:56,679 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:20:56,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:20:56,679 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:56,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:56,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:56,739 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 54 conjunts are in the unsatisfiable core [2022-11-16 08:20:56,741 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:20:56,758 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:20:56,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:56,801 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:20:56,804 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:20:56,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:56,934 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:56,935 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:20:57,005 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2022-11-16 08:20:57,038 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:57,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:57,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:20:57,058 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:20:57,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:20:57,058 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:57,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:57,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:57,100 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 52 conjunts are in the unsatisfiable core [2022-11-16 08:20:57,102 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:20:57,115 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:20:57,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:57,134 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:20:57,138 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:20:57,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:57,274 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:57,275 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:20:57,351 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:57,356 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:20:57,356 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:20:57,376 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:57,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:57,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:20:57,400 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:20:57,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:20:57,400 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:57,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:57,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:57,446 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 49 conjunts are in the unsatisfiable core [2022-11-16 08:20:57,449 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:20:57,462 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:20:57,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:57,483 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:20:57,487 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:20:57,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:57,631 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:20:57,637 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:20:57,645 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:57,647 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:20:57,655 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:20:57,671 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:20:57,740 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:57,745 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:20:57,746 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:20:57,764 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:57,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:57,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:20:57,793 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:20:57,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:20:57,793 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:57,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:57,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:57,839 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 53 conjunts are in the unsatisfiable core [2022-11-16 08:20:57,841 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:20:57,859 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:20:57,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:57,876 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:20:57,881 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:20:58,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:58,028 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:20:58,029 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:20:58,108 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2022-11-16 08:20:58,141 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:58,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:58,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:20:58,162 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:20:58,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:20:58,162 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:58,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:58,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:58,210 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 48 conjunts are in the unsatisfiable core [2022-11-16 08:20:58,212 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:20:58,229 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:20:58,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:58,254 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 23 [2022-11-16 08:20:58,260 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:20:58,264 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-11-16 08:20:58,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:58,921 INFO L321 Elim1Store]: treesize reduction 44, result has 32.3 percent of original size [2022-11-16 08:20:58,921 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 90 treesize of output 77 [2022-11-16 08:20:58,985 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2022-11-16 08:20:58,998 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:59,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:59,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:20:59,521 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:20:59,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:20:59,521 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:59,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:59,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:59,578 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 48 conjunts are in the unsatisfiable core [2022-11-16 08:20:59,580 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:20:59,602 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:20:59,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:20:59,621 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 23 [2022-11-16 08:20:59,626 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 20 [2022-11-16 08:20:59,630 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:20:59,637 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:21:00,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:00,088 INFO L321 Elim1Store]: treesize reduction 44, result has 32.3 percent of original size [2022-11-16 08:21:00,089 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 90 treesize of output 77 [2022-11-16 08:21:00,170 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2022-11-16 08:21:00,184 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:21:00,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:21:00,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:21:00,204 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:21:00,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:21:00,204 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:21:00,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:21:00,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:21:00,250 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 52 conjunts are in the unsatisfiable core [2022-11-16 08:21:00,255 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:21:00,271 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:21:00,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:00,303 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:21:00,307 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:21:00,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:00,446 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:21:00,447 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:21:00,530 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:21:00,535 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:21:00,535 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:21:00,553 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:21:00,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:21:00,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:21:00,578 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:21:00,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:21:00,579 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:21:00,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:21:00,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:21:00,624 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 54 conjunts are in the unsatisfiable core [2022-11-16 08:21:00,626 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:21:00,646 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:21:00,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:00,665 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 19 [2022-11-16 08:21:00,669 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 12 [2022-11-16 08:21:00,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:00,846 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:21:00,846 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:21:00,921 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:21:00,926 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:21:00,926 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:21:00,943 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:21:00,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:21:00,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:21:00,967 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:21:00,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:21:00,967 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:21:00,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:21:01,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:21:01,010 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 55 conjunts are in the unsatisfiable core [2022-11-16 08:21:01,013 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:21:01,027 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:21:01,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:01,053 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:21:01,057 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:21:01,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:01,216 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:21:01,217 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:21:01,288 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2022-11-16 08:21:01,322 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:21:01,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:21:01,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:21:01,344 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:21:01,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:21:01,344 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:21:01,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:21:01,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:21:01,401 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 50 conjunts are in the unsatisfiable core [2022-11-16 08:21:01,403 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:21:01,420 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:21:01,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:01,436 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:21:01,440 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:21:01,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:01,584 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:21:01,586 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:21:01,660 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:21:01,665 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:21:01,665 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:21:01,683 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:21:01,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:21:01,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:21:01,709 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:21:01,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:21:01,709 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:21:01,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:21:01,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:21:01,762 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 52 conjunts are in the unsatisfiable core [2022-11-16 08:21:01,765 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:21:01,776 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:21:01,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:01,797 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:21:01,801 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:21:01,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:01,949 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:21:01,950 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:21:02,029 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:21:02,034 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:21:02,034 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:21:02,052 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:21:02,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:21:02,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:21:02,076 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:21:02,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:21:02,076 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:21:02,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:21:02,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:21:02,116 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 47 conjunts are in the unsatisfiable core [2022-11-16 08:21:02,118 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:21:02,131 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:21:02,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:02,152 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:21:02,156 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:21:02,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:02,292 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:21:02,299 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:21:02,306 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:21:02,308 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:21:02,316 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:21:02,329 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:21:02,403 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:21:02,408 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:21:02,408 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:21:02,424 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:21:02,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:21:02,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:21:02,447 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:21:02,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:21:02,448 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:21:02,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:21:02,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:21:02,492 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 50 conjunts are in the unsatisfiable core [2022-11-16 08:21:02,494 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:21:02,507 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:21:02,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:02,527 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:21:02,532 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:21:02,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:02,669 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:21:02,670 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:21:02,758 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:21:02,763 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:21:02,763 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:21:02,779 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:21:02,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:21:02,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:21:02,803 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:21:02,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:21:02,803 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:21:02,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:21:02,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:21:02,856 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 49 conjunts are in the unsatisfiable core [2022-11-16 08:21:02,858 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:21:02,873 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:21:02,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:02,890 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:21:02,893 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:21:03,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:03,015 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:21:03,021 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:21:03,028 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:21:03,030 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:21:03,038 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:21:03,052 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:21:03,112 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:21:03,117 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:21:03,117 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:21:03,134 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:21:03,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:21:03,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:21:03,158 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:21:03,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:21:03,158 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:21:03,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:21:03,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:21:03,199 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 47 conjunts are in the unsatisfiable core [2022-11-16 08:21:03,201 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:21:03,218 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:21:03,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:03,240 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:21:03,244 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:21:03,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:03,382 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:21:03,389 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:21:03,397 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:21:03,399 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:21:03,407 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:21:03,420 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:21:03,486 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:21:03,491 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:21:03,491 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:21:03,509 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:21:03,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:21:03,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:21:03,534 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:21:03,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:21:03,535 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:21:03,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:21:03,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:21:03,580 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 50 conjunts are in the unsatisfiable core [2022-11-16 08:21:03,582 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:21:03,598 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:21:03,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:03,616 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:21:03,619 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:21:03,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:03,783 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:21:03,789 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:21:03,797 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:21:03,799 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:21:03,807 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:21:03,820 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:21:03,889 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:21:03,894 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:21:03,894 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:21:03,912 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:21:03,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:21:03,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:21:03,935 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:21:03,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:21:03,936 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:21:03,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:21:03,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:21:03,977 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 52 conjunts are in the unsatisfiable core [2022-11-16 08:21:03,979 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:21:03,992 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:21:04,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:04,011 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:21:04,015 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:21:04,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:04,157 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:21:04,159 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:21:04,241 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:21:04,246 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:21:04,246 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:21:04,264 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:21:04,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:21:04,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:21:04,287 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:21:04,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:21:04,287 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:21:04,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:21:04,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:21:04,333 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 52 conjunts are in the unsatisfiable core [2022-11-16 08:21:04,335 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:21:04,354 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:21:04,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:04,375 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:21:04,380 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:21:04,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:04,534 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:21:04,536 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:21:04,613 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:21:04,618 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:21:04,618 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:21:04,637 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:21:04,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:21:04,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:21:04,661 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:21:04,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:21:04,661 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:21:04,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:21:04,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:21:04,704 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 47 conjunts are in the unsatisfiable core [2022-11-16 08:21:04,706 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:21:04,728 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:21:04,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:04,752 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:21:04,756 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:21:04,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:04,893 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:21:04,899 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:21:04,906 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:21:04,907 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:21:04,914 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:21:04,927 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:21:04,987 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:21:04,992 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:21:04,992 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:21:05,008 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:21:05,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:21:05,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:21:05,032 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:21:05,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:21:05,033 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:21:05,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:21:05,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:21:05,079 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 50 conjunts are in the unsatisfiable core [2022-11-16 08:21:05,082 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:21:05,098 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:21:05,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:05,111 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:21:05,115 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:21:05,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:05,253 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:21:05,255 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:21:05,333 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:21:05,337 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:21:05,338 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:21:05,354 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:21:05,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:21:05,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:21:05,379 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:21:05,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:21:05,380 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:21:05,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:21:05,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:21:05,424 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 55 conjunts are in the unsatisfiable core [2022-11-16 08:21:05,427 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:21:05,445 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:21:05,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:05,464 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:21:05,468 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:21:05,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:05,619 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:21:05,619 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:21:05,703 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2022-11-16 08:21:05,737 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:21:05,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:21:05,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:21:05,756 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:21:05,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:21:05,756 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:21:05,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:21:05,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:21:05,803 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 50 conjunts are in the unsatisfiable core [2022-11-16 08:21:05,805 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:21:05,819 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:21:05,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:05,835 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:21:05,839 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:21:06,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:06,005 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:21:06,007 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:21:06,098 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:21:06,104 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:21:06,104 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:21:06,122 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:21:06,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:21:06,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:21:06,149 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:21:06,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:21:06,150 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:21:06,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:21:06,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:21:06,212 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 48 conjunts are in the unsatisfiable core [2022-11-16 08:21:06,214 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:21:06,229 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:21:06,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:06,249 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 23 [2022-11-16 08:21:06,254 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:21:06,258 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-11-16 08:21:06,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:06,670 INFO L321 Elim1Store]: treesize reduction 44, result has 32.3 percent of original size [2022-11-16 08:21:06,671 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 90 treesize of output 77 [2022-11-16 08:21:06,736 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2022-11-16 08:21:06,750 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:21:06,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:21:06,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:21:06,768 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:21:06,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:21:06,768 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:21:06,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:21:06,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:21:06,815 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 52 conjunts are in the unsatisfiable core [2022-11-16 08:21:06,818 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:21:06,835 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:21:06,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:06,854 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:21:06,858 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:21:06,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:06,989 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:21:06,990 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:21:07,060 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:21:07,065 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:21:07,065 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:21:07,081 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:21:07,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:21:07,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:21:07,104 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:21:07,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:21:07,104 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:21:07,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:21:07,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:21:07,153 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 55 conjunts are in the unsatisfiable core [2022-11-16 08:21:07,155 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:21:07,170 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:21:07,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:07,197 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:21:07,201 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:21:07,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:07,342 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:21:07,342 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:21:07,416 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2022-11-16 08:21:07,450 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:21:07,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:21:07,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:21:07,470 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:21:07,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:21:07,470 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:21:07,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:21:07,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:21:07,513 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 52 conjunts are in the unsatisfiable core [2022-11-16 08:21:07,515 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:21:07,527 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:21:07,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:07,552 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 19 [2022-11-16 08:21:07,556 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 12 [2022-11-16 08:21:07,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:07,721 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:21:07,721 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:21:07,801 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:21:07,806 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:21:07,806 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:21:07,824 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:21:07,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:21:07,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:21:07,848 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:21:07,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:21:07,848 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:21:07,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:21:07,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:21:07,890 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 52 conjunts are in the unsatisfiable core [2022-11-16 08:21:07,892 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:21:07,907 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:21:07,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:07,929 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:21:07,933 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:21:08,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:08,103 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:21:08,104 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:21:08,178 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:21:08,183 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:21:08,183 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:21:08,200 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:21:08,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:21:08,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:21:08,226 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:21:08,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:21:08,226 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:21:08,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:21:08,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:21:08,276 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 51 conjunts are in the unsatisfiable core [2022-11-16 08:21:08,278 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:21:08,290 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:21:08,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:08,310 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:21:08,313 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:21:08,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:08,439 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:21:08,440 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:21:08,520 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:21:08,524 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:21:08,525 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:21:08,542 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:21:08,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:21:08,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:21:08,568 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:21:08,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:21:08,568 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:21:08,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:21:08,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:21:08,612 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 47 conjunts are in the unsatisfiable core [2022-11-16 08:21:08,614 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:21:08,630 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:21:08,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:08,649 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:21:08,653 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:21:08,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:08,795 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:21:08,802 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:21:08,809 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:21:08,811 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:21:08,818 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:21:08,831 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:21:08,895 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:21:08,900 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:21:08,900 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:21:08,916 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:21:08,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:21:08,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:21:08,940 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:21:08,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:21:08,941 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:21:08,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:21:08,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:21:08,988 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 55 conjunts are in the unsatisfiable core [2022-11-16 08:21:08,990 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:21:09,004 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:21:09,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:09,028 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:21:09,032 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:21:09,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:09,168 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:21:09,169 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:21:09,248 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2022-11-16 08:21:09,281 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:21:09,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:21:09,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:21:09,302 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:21:09,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:21:09,302 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:21:09,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:21:09,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:21:09,343 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 47 conjunts are in the unsatisfiable core [2022-11-16 08:21:09,345 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:21:09,358 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:21:09,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:09,379 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:21:09,382 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:21:09,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:09,518 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:21:09,524 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:21:09,532 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:21:09,533 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:21:09,544 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:21:09,558 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:21:09,630 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:21:09,635 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:21:09,635 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:21:09,652 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:21:09,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:21:09,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:21:09,675 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:21:09,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:21:09,676 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:21:09,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:21:09,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:21:09,741 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 49 conjunts are in the unsatisfiable core [2022-11-16 08:21:09,743 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:21:09,760 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:21:09,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:09,781 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:21:09,785 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:21:09,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:09,924 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:21:09,930 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:21:09,937 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:21:09,939 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:21:09,946 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:21:09,959 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:21:10,022 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:21:10,027 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:21:10,027 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:21:10,045 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:21:10,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:21:10,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:21:10,070 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:21:10,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:21:10,070 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:21:10,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:21:10,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:21:10,117 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 49 conjunts are in the unsatisfiable core [2022-11-16 08:21:10,119 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:21:10,139 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:21:10,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:10,161 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:21:10,164 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:21:10,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:10,300 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:21:10,307 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:21:10,313 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:21:10,315 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:21:10,323 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:21:10,336 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:21:10,405 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:21:10,410 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:21:10,411 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:21:10,429 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:21:10,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:21:10,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:21:10,455 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:21:10,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:21:10,455 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:21:10,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:21:10,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:21:10,501 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 47 conjunts are in the unsatisfiable core [2022-11-16 08:21:10,504 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:21:10,519 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:21:10,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:10,541 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:21:10,545 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:21:10,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:10,691 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:21:10,699 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:21:10,707 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:21:10,709 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:21:10,716 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:21:10,730 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:21:10,796 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:21:10,801 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:21:10,801 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:21:10,816 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:21:10,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:21:10,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:21:10,841 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:21:10,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:21:10,841 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:21:10,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:21:10,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:21:10,882 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 49 conjunts are in the unsatisfiable core [2022-11-16 08:21:10,884 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:21:10,898 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:21:10,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:10,911 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:21:10,915 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:21:11,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:11,056 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:21:11,062 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:21:11,070 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:21:11,071 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:21:11,079 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:21:11,094 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:21:11,162 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:21:11,166 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:21:11,167 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:21:11,184 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:21:11,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:21:11,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:21:11,209 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:21:11,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:21:11,210 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:21:11,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:21:11,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:21:11,252 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 48 conjunts are in the unsatisfiable core [2022-11-16 08:21:11,254 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:21:11,269 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:21:11,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:11,290 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:21:11,294 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:21:11,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:11,472 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:21:11,478 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:21:11,485 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:21:11,486 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:21:11,494 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:21:11,507 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:21:11,574 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:21:11,579 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:21:11,580 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:21:11,598 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:21:11,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:21:11,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:21:11,624 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:21:11,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:21:11,624 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:21:11,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:21:11,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:21:11,669 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 49 conjunts are in the unsatisfiable core [2022-11-16 08:21:11,672 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:21:11,688 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:21:11,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:11,704 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:21:11,708 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:21:11,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:11,841 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:21:11,847 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:21:11,855 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:21:11,856 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:21:11,863 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:21:11,875 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:21:11,937 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:21:11,942 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:21:11,942 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:21:11,960 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:21:11,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:21:11,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:21:11,986 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:21:11,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:21:11,986 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:21:11,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:21:12,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:21:12,031 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 53 conjunts are in the unsatisfiable core [2022-11-16 08:21:12,033 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:21:12,048 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:21:12,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:12,068 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:21:12,072 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:21:12,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:12,219 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:21:12,220 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:21:12,304 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2022-11-16 08:21:12,338 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:21:12,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:21:12,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:21:12,360 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:21:12,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:21:12,360 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:21:12,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:21:12,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:21:12,408 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 47 conjunts are in the unsatisfiable core [2022-11-16 08:21:12,410 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:21:12,429 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:21:12,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:12,448 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:21:12,452 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:21:12,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:12,603 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:21:12,610 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:21:12,618 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:21:12,620 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:21:12,628 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:21:12,642 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:21:12,715 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:21:12,720 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:21:12,720 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:21:12,739 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:21:12,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:21:12,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:21:12,765 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:21:12,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:21:12,765 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:21:12,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:21:12,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:21:12,813 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 49 conjunts are in the unsatisfiable core [2022-11-16 08:21:12,815 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:21:12,826 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:21:12,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:12,854 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:21:12,858 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:21:12,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:12,996 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:21:13,002 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:21:13,010 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:21:13,011 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:21:13,019 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:21:13,034 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:21:13,116 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:21:13,121 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:21:13,121 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:21:13,136 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:21:13,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:21:13,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:21:13,161 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:21:13,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:21:13,162 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:21:13,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:21:13,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:21:13,205 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 54 conjunts are in the unsatisfiable core [2022-11-16 08:21:13,207 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:21:13,216 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:21:13,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:13,249 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 23 [2022-11-16 08:21:13,253 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 20 [2022-11-16 08:21:13,256 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:21:13,262 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:21:13,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:13,724 INFO L321 Elim1Store]: treesize reduction 44, result has 32.3 percent of original size [2022-11-16 08:21:13,725 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 90 treesize of output 77 [2022-11-16 08:21:13,802 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2022-11-16 08:21:13,836 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:21:13,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:21:13,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:21:13,858 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:21:13,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:21:13,859 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:21:13,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:21:13,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:21:13,906 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 50 conjunts are in the unsatisfiable core [2022-11-16 08:21:13,908 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:21:13,924 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:21:13,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:13,954 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 23 [2022-11-16 08:21:13,960 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:21:13,964 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-11-16 08:21:14,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:14,389 INFO L321 Elim1Store]: treesize reduction 44, result has 32.3 percent of original size [2022-11-16 08:21:14,389 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 90 treesize of output 77 [2022-11-16 08:21:14,458 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2022-11-16 08:21:14,473 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:21:14,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:21:14,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:21:14,493 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:21:14,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:21:14,493 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:21:14,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:21:14,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:21:14,537 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 49 conjunts are in the unsatisfiable core [2022-11-16 08:21:14,539 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:21:14,553 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:21:14,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:14,571 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:21:14,574 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:21:14,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:14,721 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:21:14,728 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:21:14,735 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:21:14,737 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:21:14,745 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:21:14,760 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:21:14,831 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:21:14,837 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:21:14,837 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:21:14,857 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:21:14,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:21:14,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:21:14,883 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:21:14,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:21:14,884 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:21:14,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:21:14,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:21:14,932 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 49 conjunts are in the unsatisfiable core [2022-11-16 08:21:14,934 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:21:14,951 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:21:14,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:14,977 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:21:14,982 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:21:15,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:15,137 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:21:15,144 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:21:15,152 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:21:15,192 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:21:15,200 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:21:15,213 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:21:15,279 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:21:15,283 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:21:15,284 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:21:15,301 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:21:15,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:21:15,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:21:15,328 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:21:15,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:21:15,329 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:21:15,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:21:15,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:21:15,371 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 50 conjunts are in the unsatisfiable core [2022-11-16 08:21:15,374 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:21:15,386 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:21:15,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:15,406 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:21:15,409 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:21:15,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:15,531 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:21:15,532 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:21:15,610 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:21:15,615 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:21:15,615 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:21:15,633 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:21:15,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:21:15,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:21:15,658 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:21:15,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:21:15,659 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:21:15,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:21:15,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:21:15,700 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 47 conjunts are in the unsatisfiable core [2022-11-16 08:21:15,703 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:21:15,718 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:21:15,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:15,734 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:21:15,737 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:21:15,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:15,873 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:21:15,886 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:21:15,894 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:21:15,896 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:21:15,904 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:21:15,920 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:21:15,989 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:21:15,994 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:21:15,994 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:21:16,010 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:21:16,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:21:16,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:21:16,037 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:21:16,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:21:16,038 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:21:16,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:21:16,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:21:16,083 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 51 conjunts are in the unsatisfiable core [2022-11-16 08:21:16,085 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:21:16,099 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:21:16,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:16,118 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:21:16,122 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:21:16,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:16,250 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:21:16,250 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:21:16,327 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:21:16,332 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:21:16,332 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:21:16,349 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:21:16,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:21:16,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:21:16,375 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:21:16,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:21:16,375 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:21:16,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:21:16,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:21:16,419 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 52 conjunts are in the unsatisfiable core [2022-11-16 08:21:16,422 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:21:16,441 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:21:16,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:16,460 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:21:16,464 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:21:16,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:16,610 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:21:16,612 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:21:16,695 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:21:16,700 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:21:16,700 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:21:16,718 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:21:16,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:21:16,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:21:16,744 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:21:16,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:21:16,744 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:21:16,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:21:16,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:21:16,820 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 47 conjunts are in the unsatisfiable core [2022-11-16 08:21:16,823 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:21:16,839 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:21:16,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:16,857 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:21:16,861 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:21:16,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:16,994 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:21:17,000 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:21:17,007 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:21:17,009 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:21:17,016 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:21:17,028 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:21:17,098 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:21:17,103 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:21:17,103 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:21:17,121 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:21:17,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:21:17,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:21:17,148 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:21:17,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:21:17,148 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:21:17,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:21:17,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:21:17,194 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 47 conjunts are in the unsatisfiable core [2022-11-16 08:21:17,196 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:21:17,212 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:21:17,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:17,224 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:21:17,228 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:21:17,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:17,356 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:21:17,362 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:21:17,369 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:21:17,370 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:21:17,378 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:21:17,391 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:21:17,449 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:21:17,453 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:21:17,454 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:21:17,471 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:21:17,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:21:17,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:21:17,496 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:21:17,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:21:17,496 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:21:17,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:21:17,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:21:17,546 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 49 conjunts are in the unsatisfiable core [2022-11-16 08:21:17,549 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:21:17,566 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:21:17,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:17,588 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:21:17,592 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:21:17,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:17,726 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:21:17,732 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:21:17,739 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:21:17,741 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:21:17,749 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:21:17,763 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:21:17,832 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:21:17,837 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:21:17,837 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:21:17,855 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:21:17,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:21:17,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:21:17,875 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:21:17,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:21:17,875 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:21:17,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:21:17,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:21:17,920 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 49 conjunts are in the unsatisfiable core [2022-11-16 08:21:17,922 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:21:17,937 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:21:17,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:17,956 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:21:17,960 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:21:18,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:18,095 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:21:18,101 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:21:18,109 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:21:18,111 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:21:18,119 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:21:18,134 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:21:18,205 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:21:18,209 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:21:18,210 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:21:18,226 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:21:18,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:21:18,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:21:18,246 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:21:18,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:21:18,246 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:21:18,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:21:18,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:21:18,300 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 49 conjunts are in the unsatisfiable core [2022-11-16 08:21:18,302 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:21:18,318 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:21:18,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:18,337 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:21:18,342 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:21:18,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:18,503 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:21:18,509 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:21:18,515 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:21:18,517 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:21:18,524 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:21:18,536 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:21:18,596 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:21:18,600 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:21:18,601 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:21:18,618 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:21:18,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:21:18,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:21:18,637 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:21:18,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:21:18,637 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:21:18,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:21:18,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:21:18,681 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 49 conjunts are in the unsatisfiable core [2022-11-16 08:21:18,684 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:21:18,693 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:21:18,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:18,719 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:21:18,722 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:21:18,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:18,847 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:21:18,854 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:21:18,861 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:21:18,862 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:21:18,870 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:21:18,883 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:21:18,947 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:21:18,951 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:21:18,952 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:21:18,969 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:21:18,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:21:18,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:21:18,988 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:21:18,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:21:18,989 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:21:18,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:21:19,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:21:19,031 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 51 conjunts are in the unsatisfiable core [2022-11-16 08:21:19,034 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:21:19,044 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:21:19,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:19,072 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:21:19,076 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:21:19,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:19,212 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:21:19,219 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:21:19,241 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:21:19,243 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:21:19,252 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:21:19,266 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:21:19,337 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2022-11-16 08:21:19,370 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:21:19,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:21:19,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:21:19,389 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:21:19,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:21:19,389 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:21:19,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:21:19,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:21:19,434 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 47 conjunts are in the unsatisfiable core [2022-11-16 08:21:19,436 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:21:19,445 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:21:19,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:19,467 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:21:19,470 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:21:19,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:19,604 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:21:19,610 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:21:19,618 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:21:19,619 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:21:19,627 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:21:19,641 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:21:19,710 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:21:19,715 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:21:19,715 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:21:19,739 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:21:19,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:21:19,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:21:19,760 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:21:19,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:21:19,760 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:21:19,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:21:19,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:21:19,805 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 54 conjunts are in the unsatisfiable core [2022-11-16 08:21:19,807 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:21:19,825 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:21:19,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:19,846 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 19 [2022-11-16 08:21:19,850 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 12 [2022-11-16 08:21:20,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:20,028 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:21:20,029 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:21:20,126 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:21:20,131 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:21:20,131 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:21:20,147 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:21:20,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:21:20,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:21:20,167 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:21:20,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:21:20,167 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:21:20,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:21:20,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:21:20,210 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 47 conjunts are in the unsatisfiable core [2022-11-16 08:21:20,212 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:21:20,224 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:21:20,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:20,252 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:21:20,255 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:21:20,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:20,380 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:21:20,399 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:21:20,407 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:21:20,409 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:21:20,416 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:21:20,428 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:21:20,490 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:21:20,495 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:21:20,495 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:21:20,512 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:21:20,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:21:20,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:21:20,530 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:21:20,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:21:20,530 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:21:20,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:21:20,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:21:20,573 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 51 conjunts are in the unsatisfiable core [2022-11-16 08:21:20,575 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:21:20,587 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:21:20,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:20,608 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:21:20,612 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:21:20,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:20,743 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:21:20,743 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:21:20,817 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:21:20,821 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:21:20,821 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:21:20,839 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:21:20,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:21:20,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:21:20,859 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:21:20,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:21:20,859 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:21:20,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:21:20,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:21:20,914 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 55 conjunts are in the unsatisfiable core [2022-11-16 08:21:20,917 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:21:20,932 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:21:20,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:20,956 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:21:20,960 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:21:21,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:21,104 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:21:21,104 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:21:21,180 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2022-11-16 08:21:21,213 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:21:21,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:21:21,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:21:21,235 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:21:21,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:21:21,235 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:21:21,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:21:21,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:21:21,280 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 52 conjunts are in the unsatisfiable core [2022-11-16 08:21:21,282 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:21:21,295 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:21:21,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:21,317 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:21:21,320 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:21:21,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:21,481 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:21:21,481 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:21:21,561 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:21:21,572 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:21:21,573 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:21:21,593 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:21:21,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:21:21,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:21:21,612 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:21:21,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:21:21,612 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:21:21,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:21:21,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:21:21,657 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 51 conjunts are in the unsatisfiable core [2022-11-16 08:21:21,660 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:21:21,678 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:21:21,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:21,722 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 23 [2022-11-16 08:21:21,729 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 20 [2022-11-16 08:21:21,733 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:21:21,741 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:21:22,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:22,074 INFO L321 Elim1Store]: treesize reduction 44, result has 32.3 percent of original size [2022-11-16 08:21:22,074 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 90 treesize of output 77 [2022-11-16 08:21:22,146 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2022-11-16 08:21:22,159 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:21:22,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:21:22,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:21:22,180 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:21:22,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:21:22,181 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:21:22,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:21:22,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:21:22,229 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 51 conjunts are in the unsatisfiable core [2022-11-16 08:21:22,232 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:21:22,254 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:21:22,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:22,276 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 23 [2022-11-16 08:21:22,280 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 20 [2022-11-16 08:21:22,283 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:21:22,290 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:21:22,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:22,630 INFO L321 Elim1Store]: treesize reduction 44, result has 32.3 percent of original size [2022-11-16 08:21:22,630 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 90 treesize of output 77 [2022-11-16 08:21:22,701 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2022-11-16 08:21:22,714 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:21:22,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:21:22,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:21:22,736 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:21:22,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:21:22,736 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:21:22,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:21:22,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:21:22,781 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 53 conjunts are in the unsatisfiable core [2022-11-16 08:21:22,783 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:21:22,799 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:21:22,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:22,820 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:21:22,824 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:21:22,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:22,984 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:21:22,984 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:21:23,063 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2022-11-16 08:21:23,097 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:21:23,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:21:23,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:21:23,116 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:21:23,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:21:23,117 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:21:23,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:21:23,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:21:23,163 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 53 conjunts are in the unsatisfiable core [2022-11-16 08:21:23,165 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:21:23,179 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:21:23,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:23,200 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:21:23,204 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:21:23,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:23,356 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:21:23,356 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:21:23,435 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2022-11-16 08:21:23,468 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:21:23,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:21:23,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:21:23,485 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:21:23,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:21:23,486 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:21:23,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:21:23,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:21:23,530 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 48 conjunts are in the unsatisfiable core [2022-11-16 08:21:23,532 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:21:23,551 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:21:23,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:23,571 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 23 [2022-11-16 08:21:23,576 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 20 [2022-11-16 08:21:23,580 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:21:23,588 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:21:24,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:24,039 INFO L321 Elim1Store]: treesize reduction 44, result has 32.3 percent of original size [2022-11-16 08:21:24,040 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 90 treesize of output 77 [2022-11-16 08:21:24,104 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2022-11-16 08:21:24,118 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:21:24,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:21:24,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:21:24,140 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:21:24,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:21:24,140 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:21:24,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:21:24,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:21:24,198 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 50 conjunts are in the unsatisfiable core [2022-11-16 08:21:24,201 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:21:24,214 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:21:24,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:24,233 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:21:24,236 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:21:24,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:24,366 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:21:24,368 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:21:24,441 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:21:24,446 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:21:24,446 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:21:24,462 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:21:24,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:21:24,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:21:24,480 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:21:24,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:21:24,480 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:21:24,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:21:24,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:21:24,526 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 54 conjunts are in the unsatisfiable core [2022-11-16 08:21:24,529 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:21:24,537 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:21:24,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:24,565 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:21:24,569 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:21:24,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:24,752 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:21:24,752 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:21:24,830 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2022-11-16 08:21:24,864 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:21:24,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:21:24,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:21:24,889 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:21:24,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:21:24,889 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:21:24,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:21:24,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:21:24,934 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 49 conjunts are in the unsatisfiable core [2022-11-16 08:21:24,936 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:21:24,950 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:21:24,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:24,972 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:21:24,976 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:21:25,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:25,110 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:21:25,117 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:21:25,124 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:21:25,126 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:21:25,133 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:21:25,148 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:21:25,212 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:21:25,216 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:21:25,217 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:21:25,232 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:21:25,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:21:25,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:21:25,254 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:21:25,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:21:25,255 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:21:25,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:21:25,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:21:25,301 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 50 conjunts are in the unsatisfiable core [2022-11-16 08:21:25,303 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:21:25,320 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:21:25,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:25,337 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:21:25,341 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:21:25,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:25,480 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:21:25,481 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:21:25,584 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:21:25,588 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:21:25,588 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:21:25,605 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:21:25,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:21:25,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:21:25,627 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:21:25,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:21:25,628 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:21:25,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:21:25,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:21:25,674 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 52 conjunts are in the unsatisfiable core [2022-11-16 08:21:25,676 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:21:25,691 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:21:25,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:25,706 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:21:25,710 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:21:25,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:25,846 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:21:25,848 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:21:25,921 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:21:25,926 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:21:25,926 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:21:25,944 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:21:25,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:21:25,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:21:25,965 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:21:25,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:21:25,965 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:21:25,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:21:26,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:21:26,011 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 47 conjunts are in the unsatisfiable core [2022-11-16 08:21:26,013 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:21:26,035 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:21:26,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:26,053 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:21:26,056 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:21:26,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:26,185 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:21:26,191 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:21:26,198 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:21:26,199 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:21:26,207 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:21:26,220 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:21:26,281 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:21:26,286 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:21:26,287 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:21:26,304 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:21:26,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:21:26,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:21:26,327 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:21:26,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:21:26,327 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:21:26,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:21:26,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:21:26,376 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 47 conjunts are in the unsatisfiable core [2022-11-16 08:21:26,378 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:21:26,390 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:21:26,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:26,409 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:21:26,413 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:21:26,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:26,539 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:21:26,545 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:21:26,553 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:21:26,554 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:21:26,562 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:21:26,575 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:21:26,639 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:21:26,644 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:21:26,644 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:21:26,660 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:21:26,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:21:26,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:21:26,680 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:21:26,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:21:26,680 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:21:26,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:21:26,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:21:26,727 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 52 conjunts are in the unsatisfiable core [2022-11-16 08:21:26,729 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:21:26,742 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:21:26,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:26,768 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:21:26,771 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:21:26,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:26,905 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:21:26,908 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:21:26,995 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:21:27,000 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:21:27,000 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:21:27,019 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:21:27,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:21:27,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:21:27,042 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:21:27,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:21:27,043 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:21:27,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:21:27,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:21:27,113 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 50 conjunts are in the unsatisfiable core [2022-11-16 08:21:27,115 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:21:27,129 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:21:27,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:27,147 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:21:27,156 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:21:27,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:27,273 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:21:27,275 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:21:27,352 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:21:27,357 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:21:27,357 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:21:27,372 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:21:27,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:21:27,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:21:27,396 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:21:27,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:21:27,396 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:21:27,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:21:27,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:21:27,453 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 47 conjunts are in the unsatisfiable core [2022-11-16 08:21:27,455 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:21:27,468 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:21:27,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:27,489 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:21:27,492 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:21:27,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:27,618 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:21:27,624 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:21:27,630 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:21:27,632 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:21:27,639 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:21:27,652 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:21:27,724 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:21:27,729 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:21:27,729 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:21:27,744 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:21:27,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:21:27,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:21:27,771 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:21:27,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:21:27,771 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:21:27,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:21:27,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:21:27,818 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 47 conjunts are in the unsatisfiable core [2022-11-16 08:21:27,820 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:21:27,838 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:21:27,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:27,854 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:21:27,858 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:21:27,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:28,002 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:21:28,008 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:21:28,016 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:21:28,018 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:21:28,025 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:21:28,038 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:21:28,109 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:21:28,114 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:21:28,114 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:21:28,133 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:21:28,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:21:28,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:21:28,156 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:21:28,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:21:28,156 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:21:28,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:21:28,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:21:28,200 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 52 conjunts are in the unsatisfiable core [2022-11-16 08:21:28,202 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:21:28,218 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:21:28,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:28,241 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:21:28,246 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:21:28,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:28,389 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:21:28,391 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:21:28,477 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:21:28,481 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:21:28,482 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:21:28,500 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:21:28,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:21:28,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:21:28,527 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:21:28,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:21:28,528 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:21:28,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:21:28,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:21:28,576 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 54 conjunts are in the unsatisfiable core [2022-11-16 08:21:28,578 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:21:28,596 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:21:28,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:28,620 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:21:28,625 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:21:28,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:28,803 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:21:28,803 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:21:28,875 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:21:28,880 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:21:28,880 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:21:28,896 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:21:28,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:21:28,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:21:28,920 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:21:28,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:21:28,920 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:21:28,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:21:28,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:21:28,965 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 51 conjunts are in the unsatisfiable core [2022-11-16 08:21:28,967 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:21:28,979 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:21:28,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:29,000 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:21:29,003 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:21:29,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:29,135 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:21:29,135 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:21:29,205 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:21:29,209 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:21:29,210 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:21:29,226 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:21:29,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:21:29,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:21:29,246 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:21:29,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:21:29,247 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:21:29,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:21:29,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:21:29,290 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 55 conjunts are in the unsatisfiable core [2022-11-16 08:21:29,292 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:21:29,309 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:21:29,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:29,333 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:21:29,337 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:21:29,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:21:29,469 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:21:29,469 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:21:29,540 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2022-11-16 08:21:29,573 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:21:29,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:21:29,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:21:29,593 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:21:29,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:21:29,593 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:21:29,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:21:29,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:21:29,635 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 51 conjunts are in the unsatisfiable core [2022-11-16 08:21:29,637 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:21:29,652 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 WARNING: YOUR LOGFILE WAS TOO LONG, SOME LINES IN THE MIDDLE WERE REMOVED. [2022-11-16 08:30:42,356 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:30:42,370 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:30:42,440 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:30:42,445 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:30:42,445 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:30:42,462 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:30:42,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:30:42,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:30:42,484 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:30:42,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:30:42,484 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:30:42,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:30:42,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:30:42,571 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 49 conjunts are in the unsatisfiable core [2022-11-16 08:30:42,573 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:30:42,588 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:30:42,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:30:42,608 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:30:42,612 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:30:42,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:30:42,745 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:30:42,751 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:30:42,758 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:30:42,760 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:30:42,768 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:30:42,783 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:30:42,849 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:30:42,854 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:30:42,854 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:30:42,870 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:30:42,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:30:42,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:30:42,892 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:30:42,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:30:42,893 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:30:42,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:30:42,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:30:42,977 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 49 conjunts are in the unsatisfiable core [2022-11-16 08:30:42,979 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:30:42,995 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:30:43,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:30:43,012 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:30:43,016 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:30:43,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:30:43,153 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:30:43,159 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:30:43,167 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:30:43,169 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:30:43,177 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:30:43,192 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:30:43,261 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:30:43,266 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:30:43,266 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:30:43,282 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:30:43,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:30:43,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:30:43,305 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:30:43,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:30:43,305 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:30:43,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:30:43,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:30:43,389 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 50 conjunts are in the unsatisfiable core [2022-11-16 08:30:43,391 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:30:43,405 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:30:43,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:30:43,430 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:30:43,434 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:30:43,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:30:43,573 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:30:43,574 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:30:43,661 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:30:43,666 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:30:43,667 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:30:43,684 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:30:43,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:30:43,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:30:43,707 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:30:43,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:30:43,707 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:30:43,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:30:43,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:30:43,793 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 54 conjunts are in the unsatisfiable core [2022-11-16 08:30:43,795 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:30:43,813 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:30:43,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:30:43,828 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 19 [2022-11-16 08:30:43,832 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 12 [2022-11-16 08:30:44,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:30:44,009 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:30:44,009 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:30:44,103 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:30:44,108 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:30:44,108 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:30:44,125 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:30:44,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:30:44,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:30:44,193 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:30:44,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:30:44,194 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:30:44,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:30:44,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:30:44,277 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 47 conjunts are in the unsatisfiable core [2022-11-16 08:30:44,279 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:30:44,291 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:30:44,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:30:44,311 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:30:44,315 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:30:44,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:30:44,441 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:30:44,447 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:30:44,454 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:30:44,456 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:30:44,463 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:30:44,477 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:30:44,542 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:30:44,547 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:30:44,547 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:30:44,564 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:30:44,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:30:44,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:30:44,587 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:30:44,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:30:44,587 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:30:44,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:30:44,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:30:44,676 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 50 conjunts are in the unsatisfiable core [2022-11-16 08:30:44,678 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:30:44,692 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:30:44,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:30:44,716 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 23 [2022-11-16 08:30:44,721 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:30:44,725 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-11-16 08:30:45,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:30:45,161 INFO L321 Elim1Store]: treesize reduction 44, result has 32.3 percent of original size [2022-11-16 08:30:45,161 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 90 treesize of output 77 [2022-11-16 08:30:45,231 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2022-11-16 08:30:45,244 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:30:45,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:30:45,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:30:45,267 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:30:45,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:30:45,267 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:30:45,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:30:45,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:30:45,356 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 49 conjunts are in the unsatisfiable core [2022-11-16 08:30:45,358 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:30:45,368 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:30:45,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:30:45,397 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:30:45,400 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:30:45,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:30:45,528 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:30:45,534 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:30:45,542 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:30:45,544 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:30:45,552 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:30:45,565 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:30:45,633 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:30:45,638 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:30:45,638 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:30:45,655 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:30:45,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:30:45,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:30:45,679 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:30:45,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:30:45,679 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:30:45,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:30:45,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:30:45,771 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 50 conjunts are in the unsatisfiable core [2022-11-16 08:30:45,774 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:30:45,794 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:30:45,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:30:45,816 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 23 [2022-11-16 08:30:45,821 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 20 [2022-11-16 08:30:45,825 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:30:45,834 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:30:46,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:30:46,394 INFO L321 Elim1Store]: treesize reduction 28, result has 56.9 percent of original size [2022-11-16 08:30:46,395 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 90 treesize of output 93 [2022-11-16 08:30:46,573 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2022-11-16 08:30:46,606 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:30:46,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:30:46,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:30:46,628 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:30:46,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:30:46,628 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:30:46,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:30:46,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:30:46,717 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 54 conjunts are in the unsatisfiable core [2022-11-16 08:30:46,719 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:30:46,728 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:30:46,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:30:46,757 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 19 [2022-11-16 08:30:46,762 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 12 [2022-11-16 08:30:46,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:30:46,934 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:30:46,935 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:30:47,024 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:30:47,029 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:30:47,030 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:30:47,046 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:30:47,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:30:47,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:30:47,069 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:30:47,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:30:47,069 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:30:47,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:30:47,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:30:47,161 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 50 conjunts are in the unsatisfiable core [2022-11-16 08:30:47,164 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:30:47,182 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:30:47,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:30:47,200 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:30:47,205 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:30:47,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:30:47,358 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:30:47,359 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:30:47,452 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:30:47,457 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:30:47,457 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:30:47,475 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:30:47,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:30:47,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:30:47,496 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:30:47,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:30:47,497 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:30:47,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:30:47,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:30:47,598 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 48 conjunts are in the unsatisfiable core [2022-11-16 08:30:47,600 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:30:47,618 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:30:47,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:30:47,636 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 23 [2022-11-16 08:30:47,640 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 20 [2022-11-16 08:30:47,644 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:30:47,650 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:30:48,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:30:48,062 INFO L321 Elim1Store]: treesize reduction 44, result has 32.3 percent of original size [2022-11-16 08:30:48,063 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 90 treesize of output 77 [2022-11-16 08:30:48,128 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2022-11-16 08:30:48,141 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:30:48,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:30:48,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:30:48,164 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:30:48,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:30:48,164 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:30:48,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:30:48,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:30:48,249 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 52 conjunts are in the unsatisfiable core [2022-11-16 08:30:48,251 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:30:48,266 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:30:48,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:30:48,287 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:30:48,290 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:30:48,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:30:48,417 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:30:48,418 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:30:48,498 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:30:48,503 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:30:48,503 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:30:48,520 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:30:48,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:30:48,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:30:48,543 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:30:48,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:30:48,543 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:30:48,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:30:48,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:30:48,630 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 52 conjunts are in the unsatisfiable core [2022-11-16 08:30:48,632 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:30:48,645 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:30:48,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:30:48,666 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:30:48,670 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:30:48,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:30:48,804 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:30:48,806 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:30:48,886 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:30:48,890 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:30:48,891 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:30:48,908 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:30:48,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:30:48,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:30:48,931 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:30:48,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:30:48,931 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:30:48,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:30:49,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:30:49,019 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 53 conjunts are in the unsatisfiable core [2022-11-16 08:30:49,022 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:30:49,036 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:30:49,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:30:49,061 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:30:49,065 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:30:49,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:30:49,223 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:30:49,224 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:30:49,313 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2022-11-16 08:30:49,348 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:30:49,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:30:49,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:30:49,373 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:30:49,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:30:49,373 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:30:49,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:30:49,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:30:49,467 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 50 conjunts are in the unsatisfiable core [2022-11-16 08:30:49,470 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:30:49,486 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:30:49,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:30:49,503 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:30:49,507 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:30:49,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:30:49,650 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:30:49,651 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:30:49,733 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:30:49,737 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:30:49,737 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:30:49,755 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:30:49,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:30:49,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:30:49,778 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:30:49,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:30:49,778 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:30:49,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:30:49,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:30:49,867 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 52 conjunts are in the unsatisfiable core [2022-11-16 08:30:49,870 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:30:49,884 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:30:49,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:30:49,917 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:30:49,922 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:30:50,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:30:50,092 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:30:50,094 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:30:50,182 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2022-11-16 08:30:50,217 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:30:50,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:30:50,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:30:50,240 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:30:50,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:30:50,240 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:30:50,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:30:50,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:30:50,329 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 49 conjunts are in the unsatisfiable core [2022-11-16 08:30:50,331 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:30:50,348 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:30:50,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:30:50,374 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:30:50,379 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:30:50,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:30:50,584 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:30:50,590 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:30:50,597 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:30:50,598 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:30:50,606 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:30:50,619 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:30:50,679 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:30:50,684 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:30:50,684 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:30:50,700 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:30:50,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:30:50,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:30:50,724 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:30:50,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:30:50,724 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:30:50,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:30:50,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:30:50,812 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 47 conjunts are in the unsatisfiable core [2022-11-16 08:30:50,814 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:30:50,826 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:30:50,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:30:50,845 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:30:50,849 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:30:50,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:30:50,976 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:30:50,982 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:30:50,989 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:30:50,990 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:30:50,998 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:30:51,012 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:30:51,075 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:30:51,079 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:30:51,080 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:30:51,096 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:30:51,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:30:51,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:30:51,118 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:30:51,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:30:51,118 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:30:51,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:30:51,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:30:51,203 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 47 conjunts are in the unsatisfiable core [2022-11-16 08:30:51,205 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:30:51,217 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:30:51,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:30:51,238 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:30:51,242 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:30:51,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:30:51,367 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:30:51,373 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:30:51,380 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:30:51,381 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:30:51,388 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:30:51,402 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:30:51,465 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:30:51,469 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:30:51,470 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:30:51,486 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:30:51,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:30:51,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:30:51,508 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:30:51,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:30:51,508 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:30:51,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:30:51,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:30:51,594 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 52 conjunts are in the unsatisfiable core [2022-11-16 08:30:51,596 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:30:51,611 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:30:51,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:30:51,629 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:30:51,633 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:30:51,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:30:51,767 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:30:51,768 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:30:51,847 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:30:51,852 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:30:51,852 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:30:51,869 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:30:51,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:30:51,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:30:51,890 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:30:51,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:30:51,891 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:30:51,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:30:51,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:30:51,976 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 50 conjunts are in the unsatisfiable core [2022-11-16 08:30:51,979 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:30:51,994 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:30:52,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:30:52,016 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:30:52,020 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:30:52,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:30:52,150 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:30:52,151 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:30:52,235 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:30:52,240 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:30:52,240 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:30:52,257 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:30:52,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:30:52,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:30:52,279 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:30:52,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:30:52,280 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:30:52,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:30:52,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:30:52,369 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 52 conjunts are in the unsatisfiable core [2022-11-16 08:30:52,371 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:30:52,389 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:30:52,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:30:52,416 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:30:52,420 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:30:52,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:30:52,583 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:30:52,585 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:30:52,675 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2022-11-16 08:30:52,709 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:30:52,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:30:52,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:30:52,730 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:30:52,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:30:52,730 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:30:52,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:30:52,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:30:52,816 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 50 conjunts are in the unsatisfiable core [2022-11-16 08:30:52,819 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:30:52,834 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:30:52,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:30:52,863 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:30:52,868 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:30:53,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:30:53,018 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:30:53,020 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:30:53,113 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:30:53,118 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:30:53,118 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:30:53,135 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:30:53,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:30:53,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:30:53,159 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:30:53,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:30:53,159 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:30:53,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:30:53,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:30:53,273 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 49 conjunts are in the unsatisfiable core [2022-11-16 08:30:53,275 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:30:53,289 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:30:53,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:30:53,311 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:30:53,314 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:30:53,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:30:53,435 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:30:53,441 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:30:53,448 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:30:53,449 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:30:53,456 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:30:53,469 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:30:53,534 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:30:53,539 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:30:53,539 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:30:53,555 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:30:53,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:30:53,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:30:53,578 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:30:53,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:30:53,578 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:30:53,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:30:53,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:30:53,667 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 49 conjunts are in the unsatisfiable core [2022-11-16 08:30:53,669 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:30:53,687 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:30:53,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:30:53,701 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:30:53,705 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:30:53,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:30:53,857 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:30:53,864 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:30:53,871 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:30:53,873 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:30:53,882 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:30:53,897 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:30:53,956 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2022-11-16 08:30:53,989 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:30:54,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:30:54,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:30:54,011 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:30:54,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:30:54,011 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:30:54,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:30:54,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:30:54,101 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 53 conjunts are in the unsatisfiable core [2022-11-16 08:30:54,103 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:30:54,120 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:30:54,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:30:54,142 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:30:54,145 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:30:54,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:30:54,274 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:30:54,275 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:30:54,356 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:30:54,361 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:30:54,361 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:30:54,378 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:30:54,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:30:54,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:30:54,400 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:30:54,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:30:54,400 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:30:54,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:30:54,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:30:54,487 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 47 conjunts are in the unsatisfiable core [2022-11-16 08:30:54,489 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:30:54,506 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:30:54,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:30:54,523 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:30:54,528 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:30:54,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:30:54,668 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:30:54,674 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:30:54,682 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:30:54,683 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:30:54,692 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:30:54,706 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:30:54,773 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:30:54,778 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:30:54,778 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:30:54,795 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:30:54,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:30:54,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:30:54,818 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:30:54,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:30:54,818 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:30:54,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:30:54,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:30:54,905 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 55 conjunts are in the unsatisfiable core [2022-11-16 08:30:54,908 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:30:54,922 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:30:54,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:30:54,947 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:30:54,951 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:30:55,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:30:55,106 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:30:55,106 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:30:55,182 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2022-11-16 08:30:55,216 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:30:55,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:30:55,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:30:55,236 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:30:55,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:30:55,236 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:30:55,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:30:55,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:30:55,318 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 50 conjunts are in the unsatisfiable core [2022-11-16 08:30:55,320 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:30:55,333 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:30:55,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:30:55,356 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:30:55,360 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:30:55,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:30:55,501 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:30:55,502 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:30:55,594 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:30:55,599 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:30:55,600 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:30:55,616 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:30:55,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:30:55,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:30:55,641 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:30:55,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:30:55,642 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:30:55,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:30:55,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:30:55,727 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 53 conjunts are in the unsatisfiable core [2022-11-16 08:30:55,729 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:30:55,750 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:30:55,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:30:55,778 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:30:55,783 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:30:55,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:30:55,941 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:30:55,941 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:30:56,041 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2022-11-16 08:30:56,121 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:30:56,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:30:56,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:30:56,141 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:30:56,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:30:56,142 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:30:56,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:30:56,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:30:56,225 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 50 conjunts are in the unsatisfiable core [2022-11-16 08:30:56,227 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:30:56,237 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:30:56,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:30:56,263 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:30:56,266 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:30:56,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:30:56,385 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:30:56,386 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:30:56,456 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:30:56,461 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:30:56,461 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:30:56,477 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:30:56,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:30:56,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:30:56,500 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:30:56,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:30:56,501 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:30:56,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:30:56,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:30:56,585 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 54 conjunts are in the unsatisfiable core [2022-11-16 08:30:56,587 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:30:56,600 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:30:56,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:30:56,623 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:30:56,627 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:30:56,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:30:56,763 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:30:56,764 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:30:56,836 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2022-11-16 08:30:56,869 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:30:56,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:30:56,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:30:56,890 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:30:56,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:30:56,890 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:30:56,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:30:56,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:30:56,975 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 55 conjunts are in the unsatisfiable core [2022-11-16 08:30:56,977 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:30:56,990 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:30:57,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:30:57,016 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:30:57,020 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:30:57,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:30:57,158 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:30:57,158 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:30:57,231 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2022-11-16 08:30:57,264 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:30:57,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:30:57,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:30:57,285 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:30:57,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:30:57,285 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:30:57,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:30:57,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:30:57,368 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 50 conjunts are in the unsatisfiable core [2022-11-16 08:30:57,370 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:30:57,384 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:30:57,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:30:57,406 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:30:57,410 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:30:57,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:30:57,532 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:30:57,533 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:30:57,613 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:30:57,618 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:30:57,618 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:30:57,634 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:30:57,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:30:57,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:30:57,659 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:30:57,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:30:57,659 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:30:57,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:30:57,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:30:57,745 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 52 conjunts are in the unsatisfiable core [2022-11-16 08:30:57,747 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:30:57,755 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:30:57,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:30:57,783 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:30:57,787 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:30:57,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:30:57,914 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:30:57,915 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:30:58,001 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:30:58,006 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:30:58,006 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:30:58,023 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:30:58,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:30:58,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:30:58,047 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:30:58,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:30:58,048 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:30:58,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:30:58,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:30:58,131 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 52 conjunts are in the unsatisfiable core [2022-11-16 08:30:58,133 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:30:58,143 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:30:58,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:30:58,168 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:30:58,172 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:30:58,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:30:58,307 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:30:58,309 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:30:58,401 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:30:58,405 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:30:58,406 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:30:58,422 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:30:58,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:30:58,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:30:58,447 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:30:58,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:30:58,448 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:30:58,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:30:58,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:30:58,542 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 50 conjunts are in the unsatisfiable core [2022-11-16 08:30:58,544 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:30:58,559 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:30:58,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:30:58,584 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 23 [2022-11-16 08:30:58,588 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 20 [2022-11-16 08:30:58,592 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:30:58,600 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:30:58,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:30:59,002 INFO L321 Elim1Store]: treesize reduction 28, result has 56.9 percent of original size [2022-11-16 08:30:59,003 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 90 treesize of output 93 [2022-11-16 08:30:59,136 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2022-11-16 08:30:59,150 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:30:59,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:30:59,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:30:59,171 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:30:59,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:30:59,171 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:30:59,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:30:59,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:30:59,256 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 49 conjunts are in the unsatisfiable core [2022-11-16 08:30:59,258 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:30:59,271 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:30:59,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:30:59,291 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:30:59,295 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:30:59,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:30:59,419 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:30:59,425 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:30:59,432 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:30:59,433 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:30:59,440 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:30:59,452 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:30:59,515 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:30:59,520 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:30:59,520 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:30:59,536 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:30:59,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:30:59,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:30:59,561 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:30:59,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:30:59,562 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:30:59,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:30:59,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:30:59,646 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 54 conjunts are in the unsatisfiable core [2022-11-16 08:30:59,648 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:30:59,656 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:30:59,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:30:59,676 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:30:59,679 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:30:59,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:30:59,839 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:30:59,839 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:30:59,916 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:30:59,921 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:30:59,921 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:30:59,937 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:30:59,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:30:59,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:30:59,956 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:30:59,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:30:59,957 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:30:59,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:31:00,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:31:00,043 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 51 conjunts are in the unsatisfiable core [2022-11-16 08:31:00,045 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:31:00,060 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:31:00,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:00,079 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:31:00,083 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:31:00,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:00,223 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:00,223 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:31:00,305 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:00,310 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:31:00,310 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:31:00,327 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:31:00,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:31:00,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:31:00,346 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:31:00,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:31:00,347 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:31:00,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:31:00,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:31:00,446 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 55 conjunts are in the unsatisfiable core [2022-11-16 08:31:00,449 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:31:00,465 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:31:00,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:00,489 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:31:00,494 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:31:00,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:00,653 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:00,653 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:31:00,732 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2022-11-16 08:31:00,767 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:31:00,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:31:00,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:31:00,787 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:31:00,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:31:00,787 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:31:00,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:31:00,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:31:00,874 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 50 conjunts are in the unsatisfiable core [2022-11-16 08:31:00,876 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:31:00,889 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:31:00,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:00,910 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:31:00,914 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:31:01,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:01,062 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:01,063 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:31:01,153 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:01,158 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:31:01,158 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:31:01,175 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:31:01,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:31:01,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:31:01,197 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:31:01,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:31:01,198 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:31:01,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:31:01,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:31:01,285 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 52 conjunts are in the unsatisfiable core [2022-11-16 08:31:01,288 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:31:01,298 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:31:01,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:01,330 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:31:01,334 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:31:01,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:01,480 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:01,481 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:31:01,580 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:01,585 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:31:01,585 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:31:01,604 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:31:01,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:31:01,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:31:01,626 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:31:01,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:31:01,626 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:31:01,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:31:01,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:31:01,730 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 50 conjunts are in the unsatisfiable core [2022-11-16 08:31:01,732 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:31:01,745 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:31:01,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:01,764 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:31:01,767 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:31:01,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:01,917 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:31:01,923 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:31:01,929 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:01,931 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:31:01,938 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:31:01,952 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:31:02,015 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:02,019 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:31:02,019 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:31:02,036 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:31:02,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:31:02,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:31:02,059 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:31:02,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:31:02,059 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:31:02,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:31:02,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:31:02,149 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 49 conjunts are in the unsatisfiable core [2022-11-16 08:31:02,151 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:31:02,170 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:31:02,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:02,187 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:31:02,191 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:31:02,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:02,339 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:31:02,345 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:31:02,352 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:02,354 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:31:02,363 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:31:02,377 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:31:02,439 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2022-11-16 08:31:02,473 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:31:02,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:31:02,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:31:02,496 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:31:02,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:31:02,496 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:31:02,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:31:02,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:31:02,583 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 52 conjunts are in the unsatisfiable core [2022-11-16 08:31:02,585 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:31:02,599 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:31:02,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:02,622 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:31:02,626 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:31:02,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:02,780 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:02,782 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:31:02,856 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2022-11-16 08:31:02,890 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:31:02,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:31:02,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:31:02,913 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:31:02,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:31:02,914 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:31:02,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:31:02,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:31:03,000 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 52 conjunts are in the unsatisfiable core [2022-11-16 08:31:03,003 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:31:03,019 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:31:03,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:03,041 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:31:03,045 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:31:03,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:03,181 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:03,182 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:31:03,265 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:03,270 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:31:03,270 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:31:03,288 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:31:03,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:31:03,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:31:03,310 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:31:03,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:31:03,310 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:31:03,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:31:03,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:31:03,401 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 55 conjunts are in the unsatisfiable core [2022-11-16 08:31:03,403 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:31:03,419 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:31:03,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:03,451 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:31:03,455 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:31:03,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:03,605 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:03,606 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:31:03,690 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2022-11-16 08:31:03,725 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:31:03,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:31:03,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:31:03,748 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:31:03,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:31:03,748 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:31:03,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:31:03,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:31:03,840 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 49 conjunts are in the unsatisfiable core [2022-11-16 08:31:03,842 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:31:03,862 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:31:03,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:03,881 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 23 [2022-11-16 08:31:03,887 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:31:03,892 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-11-16 08:31:04,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:04,328 INFO L321 Elim1Store]: treesize reduction 28, result has 56.9 percent of original size [2022-11-16 08:31:04,328 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 90 treesize of output 93 [2022-11-16 08:31:04,498 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2022-11-16 08:31:04,511 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:31:04,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:31:04,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:31:04,530 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:31:04,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:31:04,530 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:31:04,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:31:04,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:31:04,657 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 50 conjunts are in the unsatisfiable core [2022-11-16 08:31:04,659 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:31:04,671 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:31:04,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:04,684 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:31:04,688 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:31:04,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:04,814 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:04,816 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:31:04,889 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:04,893 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:31:04,893 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:31:04,909 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:31:04,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:31:04,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:31:04,931 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:31:04,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:31:04,931 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:31:04,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:31:05,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:31:05,016 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 52 conjunts are in the unsatisfiable core [2022-11-16 08:31:05,018 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:31:05,033 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:31:05,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:05,054 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:31:05,057 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:31:05,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:05,178 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:05,179 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:31:05,257 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:05,262 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:31:05,262 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:31:05,278 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:31:05,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:31:05,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:31:05,300 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:31:05,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:31:05,301 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:31:05,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:31:05,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:31:05,387 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 52 conjunts are in the unsatisfiable core [2022-11-16 08:31:05,390 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:31:05,402 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:31:05,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:05,423 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:31:05,426 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:31:05,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:05,562 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:05,564 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:31:05,643 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:05,647 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:31:05,648 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:31:05,665 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:31:05,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:31:05,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:31:05,687 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:31:05,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:31:05,687 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:31:05,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:31:05,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:31:05,772 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 52 conjunts are in the unsatisfiable core [2022-11-16 08:31:05,774 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:31:05,790 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:31:05,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:05,808 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:31:05,812 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:31:05,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:05,944 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:05,946 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:31:06,026 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:06,030 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:31:06,030 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:31:06,046 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:31:06,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:31:06,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:31:06,071 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:31:06,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:31:06,071 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:31:06,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:31:06,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:31:06,156 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 53 conjunts are in the unsatisfiable core [2022-11-16 08:31:06,159 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:31:06,174 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:31:06,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:06,198 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:31:06,202 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:31:06,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:06,350 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:06,350 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:31:06,438 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2022-11-16 08:31:06,474 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:31:06,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:31:06,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:31:06,498 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:31:06,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:31:06,498 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:31:06,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:31:06,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:31:06,595 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 55 conjunts are in the unsatisfiable core [2022-11-16 08:31:06,598 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:31:06,607 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:31:06,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:06,646 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:31:06,650 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:31:06,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:06,801 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:06,801 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:31:06,883 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2022-11-16 08:31:06,916 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:31:06,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:31:06,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:31:06,938 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:31:06,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:31:06,939 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:31:06,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:31:07,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:31:07,025 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 50 conjunts are in the unsatisfiable core [2022-11-16 08:31:07,027 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:31:07,045 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:31:07,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:07,073 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:31:07,077 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:31:07,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:07,221 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:07,222 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:31:07,321 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:07,326 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:31:07,327 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:31:07,343 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:31:07,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:31:07,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:31:07,363 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:31:07,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:31:07,363 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:31:07,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:31:07,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:31:07,468 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 53 conjunts are in the unsatisfiable core [2022-11-16 08:31:07,470 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:31:07,485 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:31:07,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:07,511 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:31:07,515 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:31:07,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:07,645 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:07,645 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:31:07,715 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2022-11-16 08:31:07,749 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:31:07,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:31:07,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:31:07,768 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:31:07,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:31:07,768 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:31:07,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:31:07,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:31:07,853 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 55 conjunts are in the unsatisfiable core [2022-11-16 08:31:07,855 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:31:07,870 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:31:07,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:07,891 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:31:07,894 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:31:08,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:08,039 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:08,040 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:31:08,110 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2022-11-16 08:31:08,144 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:31:08,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:31:08,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:31:08,163 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:31:08,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:31:08,163 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:31:08,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:31:08,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:31:08,248 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 52 conjunts are in the unsatisfiable core [2022-11-16 08:31:08,251 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:31:08,266 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:31:08,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:08,288 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:31:08,292 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:31:08,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:08,413 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:08,414 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:31:08,496 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:08,501 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:31:08,501 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:31:08,518 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:31:08,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:31:08,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:31:08,540 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:31:08,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:31:08,540 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:31:08,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:31:08,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:31:08,625 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 49 conjunts are in the unsatisfiable core [2022-11-16 08:31:08,627 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:31:08,642 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:31:08,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:08,661 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:31:08,664 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:31:08,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:08,797 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:31:08,804 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:31:08,811 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:08,813 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:31:08,820 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:31:08,835 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:31:08,906 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:08,910 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:31:08,911 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:31:08,929 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:31:08,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:31:08,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:31:08,951 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:31:08,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:31:08,951 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:31:08,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:31:09,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:31:09,038 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 50 conjunts are in the unsatisfiable core [2022-11-16 08:31:09,040 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:31:09,059 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:31:09,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:09,083 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 23 [2022-11-16 08:31:09,089 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:31:09,093 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-11-16 08:31:09,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:09,505 INFO L321 Elim1Store]: treesize reduction 44, result has 32.3 percent of original size [2022-11-16 08:31:09,506 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 90 treesize of output 77 [2022-11-16 08:31:09,578 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2022-11-16 08:31:09,590 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:31:09,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:31:09,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:31:09,613 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:31:09,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:31:09,613 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:31:09,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:31:09,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:31:09,700 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 51 conjunts are in the unsatisfiable core [2022-11-16 08:31:09,702 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:31:09,716 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:31:09,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:09,738 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:31:09,742 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:31:09,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:09,883 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:09,884 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:31:09,969 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:09,974 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:31:09,974 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:31:09,991 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:31:10,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:31:10,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:31:10,014 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:31:10,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:31:10,014 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:31:10,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:31:10,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:31:10,101 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 49 conjunts are in the unsatisfiable core [2022-11-16 08:31:10,103 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:31:10,113 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:31:10,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:10,142 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:31:10,146 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:31:10,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:10,333 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:31:10,339 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:31:10,345 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:10,347 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:31:10,354 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:31:10,367 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:31:10,428 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:10,432 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:31:10,433 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:31:10,448 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:31:10,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:31:10,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:31:10,471 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:31:10,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:31:10,471 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:31:10,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:31:10,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:31:10,557 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 50 conjunts are in the unsatisfiable core [2022-11-16 08:31:10,559 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:31:10,571 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:31:10,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:10,593 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:31:10,596 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:31:10,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:10,715 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:10,717 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:31:10,793 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:10,797 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:31:10,797 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:31:10,815 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:31:10,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:31:10,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:31:10,836 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:31:10,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:31:10,836 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:31:10,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:31:10,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:31:10,925 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 52 conjunts are in the unsatisfiable core [2022-11-16 08:31:10,927 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:31:10,936 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:31:10,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:10,967 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:31:10,970 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:31:11,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:11,108 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:11,109 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:31:11,184 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2022-11-16 08:31:11,218 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:31:11,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:31:11,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:31:11,240 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:31:11,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:31:11,240 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:31:11,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:31:11,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:31:11,328 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 47 conjunts are in the unsatisfiable core [2022-11-16 08:31:11,331 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:31:11,346 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:31:11,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:11,363 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:31:11,366 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:31:11,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:11,500 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:31:11,506 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:31:11,514 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:11,516 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:31:11,523 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:31:11,537 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:31:11,605 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:11,610 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:31:11,610 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:31:11,626 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:31:11,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:31:11,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:31:11,648 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:31:11,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:31:11,649 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:31:11,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:31:11,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:31:11,734 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 50 conjunts are in the unsatisfiable core [2022-11-16 08:31:11,736 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:31:11,749 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:31:11,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:11,770 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:31:11,773 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:31:11,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:11,907 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:11,908 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:31:11,989 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:11,994 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:31:11,994 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:31:12,010 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:31:12,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:31:12,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:31:12,033 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:31:12,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:31:12,033 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:31:12,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:31:12,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:31:12,118 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 49 conjunts are in the unsatisfiable core [2022-11-16 08:31:12,120 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:31:12,133 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:31:12,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:12,149 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:31:12,153 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:31:12,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:12,297 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:31:12,303 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:31:12,310 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:12,312 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:31:12,320 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:31:12,335 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:31:12,403 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:12,408 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:31:12,408 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:31:12,424 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:31:12,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:31:12,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:31:12,446 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:31:12,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:31:12,447 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:31:12,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:31:12,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:31:12,531 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 49 conjunts are in the unsatisfiable core [2022-11-16 08:31:12,533 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:31:12,549 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:31:12,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:12,567 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:31:12,572 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:31:12,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:12,713 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:31:12,720 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:31:12,728 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:12,729 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:31:12,738 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:31:12,753 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:31:12,826 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:12,830 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:31:12,831 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:31:12,848 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:31:12,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:31:12,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:31:12,868 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:31:12,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:31:12,869 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:31:12,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:31:12,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:31:12,973 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 49 conjunts are in the unsatisfiable core [2022-11-16 08:31:12,975 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:31:12,990 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:31:13,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:13,002 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:31:13,005 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:31:13,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:13,131 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:31:13,136 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:31:13,143 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:13,144 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:31:13,151 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:31:13,163 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:31:13,223 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:13,228 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:31:13,228 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:31:13,243 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:31:13,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:31:13,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:31:13,264 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:31:13,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:31:13,264 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:31:13,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:31:13,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:31:13,348 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 55 conjunts are in the unsatisfiable core [2022-11-16 08:31:13,350 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:31:13,363 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:31:13,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:13,385 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:31:13,388 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:31:13,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:13,526 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:13,526 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:31:13,598 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2022-11-16 08:31:13,631 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:31:13,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:31:13,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:31:13,650 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:31:13,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:31:13,650 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:31:13,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:31:13,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:31:13,735 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 47 conjunts are in the unsatisfiable core [2022-11-16 08:31:13,737 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:31:13,753 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:31:13,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:13,764 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:31:13,767 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:31:13,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:13,900 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:31:13,906 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:31:13,913 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:13,915 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:31:13,922 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:31:13,935 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:31:14,000 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:14,005 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:31:14,005 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:31:14,021 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:31:14,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:31:14,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:31:14,042 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:31:14,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:31:14,043 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:31:14,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:31:14,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:31:14,126 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 50 conjunts are in the unsatisfiable core [2022-11-16 08:31:14,128 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:31:14,142 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:31:14,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:14,164 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:31:14,167 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:31:14,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:14,298 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:14,299 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:31:14,380 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:14,385 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:31:14,385 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:31:14,402 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:31:14,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:31:14,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:31:14,423 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:31:14,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:31:14,423 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:31:14,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:31:14,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:31:14,511 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 47 conjunts are in the unsatisfiable core [2022-11-16 08:31:14,513 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:31:14,527 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:31:14,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:14,551 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 23 [2022-11-16 08:31:14,556 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 20 [2022-11-16 08:31:14,560 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:31:14,568 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:31:14,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:14,992 INFO L321 Elim1Store]: treesize reduction 28, result has 56.9 percent of original size [2022-11-16 08:31:14,993 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 90 treesize of output 93 [2022-11-16 08:31:15,139 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2022-11-16 08:31:15,153 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:31:15,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:31:15,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:31:15,169 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:31:15,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:31:15,169 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:31:15,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:31:15,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:31:15,259 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 49 conjunts are in the unsatisfiable core [2022-11-16 08:31:15,261 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:31:15,278 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:31:15,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:15,296 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:31:15,300 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:31:15,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:15,445 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:31:15,452 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:31:15,460 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:15,461 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:31:15,470 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:31:15,485 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:31:15,555 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:15,560 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:31:15,560 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:31:15,576 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:31:15,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:31:15,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:31:15,598 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:31:15,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:31:15,598 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:31:15,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:31:15,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:31:15,744 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 52 conjunts are in the unsatisfiable core [2022-11-16 08:31:15,746 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:31:15,758 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:31:15,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:15,778 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:31:15,781 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:31:15,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:15,932 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:15,933 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:31:16,004 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:16,009 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:31:16,009 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:31:16,025 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:31:16,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:31:16,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:31:16,046 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:31:16,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:31:16,046 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:31:16,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:31:16,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:31:16,134 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 55 conjunts are in the unsatisfiable core [2022-11-16 08:31:16,136 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:31:16,149 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:31:16,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:16,169 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:31:16,173 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:31:16,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:16,316 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:16,316 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:31:16,391 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2022-11-16 08:31:16,424 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:31:16,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:31:16,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:31:16,441 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:31:16,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:31:16,441 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:31:16,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:31:16,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:31:16,527 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 52 conjunts are in the unsatisfiable core [2022-11-16 08:31:16,530 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:31:16,544 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:31:16,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:16,567 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:31:16,571 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:31:16,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:16,696 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:16,697 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:31:16,776 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:16,781 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:31:16,781 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:31:16,798 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:31:16,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:31:16,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:31:16,819 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:31:16,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:31:16,819 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:31:16,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:31:16,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:31:16,909 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 53 conjunts are in the unsatisfiable core [2022-11-16 08:31:16,911 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:31:16,930 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:31:16,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:16,946 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 23 [2022-11-16 08:31:16,950 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 20 [2022-11-16 08:31:16,954 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:31:16,960 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:31:17,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:17,313 INFO L321 Elim1Store]: treesize reduction 44, result has 32.3 percent of original size [2022-11-16 08:31:17,313 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 90 treesize of output 77 [2022-11-16 08:31:17,387 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2022-11-16 08:31:17,400 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:31:17,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:31:17,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:31:17,422 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:31:17,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:31:17,422 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:31:17,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:31:17,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:31:17,513 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 53 conjunts are in the unsatisfiable core [2022-11-16 08:31:17,515 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:31:17,529 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:31:17,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:17,561 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:31:17,565 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:31:17,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:17,712 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:17,713 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:31:17,795 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2022-11-16 08:31:17,828 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:31:17,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:31:17,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:31:17,850 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:31:17,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:31:17,850 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:31:17,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:31:17,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:31:17,938 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 50 conjunts are in the unsatisfiable core [2022-11-16 08:31:17,940 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:31:17,960 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:31:17,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:17,979 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 23 [2022-11-16 08:31:17,984 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 20 [2022-11-16 08:31:17,988 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:31:17,997 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:31:18,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:18,446 INFO L321 Elim1Store]: treesize reduction 44, result has 32.3 percent of original size [2022-11-16 08:31:18,446 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 90 treesize of output 77 [2022-11-16 08:31:18,533 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2022-11-16 08:31:18,546 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:31:18,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:31:18,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:31:18,569 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:31:18,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:31:18,569 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:31:18,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:31:18,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:31:18,658 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 47 conjunts are in the unsatisfiable core [2022-11-16 08:31:18,660 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:31:18,679 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:31:18,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:18,702 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:31:18,707 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:31:18,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:18,858 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:31:18,866 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:31:18,874 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:18,876 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:31:18,884 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:31:18,899 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:31:19,019 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:19,023 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:31:19,024 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:31:19,040 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:31:19,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:31:19,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:31:19,066 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:31:19,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:31:19,066 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:31:19,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:31:19,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:31:19,155 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 51 conjunts are in the unsatisfiable core [2022-11-16 08:31:19,157 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:31:19,169 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:31:19,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:19,188 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:31:19,192 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:31:19,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:19,314 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:19,315 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:31:19,390 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:19,394 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:31:19,395 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:31:19,411 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:31:19,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:31:19,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:31:19,436 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:31:19,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:31:19,436 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:31:19,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:31:19,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:31:19,524 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 48 conjunts are in the unsatisfiable core [2022-11-16 08:31:19,526 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:31:19,539 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:31:19,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:19,566 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 23 [2022-11-16 08:31:19,572 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:31:19,576 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-11-16 08:31:19,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:19,989 INFO L321 Elim1Store]: treesize reduction 44, result has 32.3 percent of original size [2022-11-16 08:31:19,989 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 90 treesize of output 77 [2022-11-16 08:31:20,053 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2022-11-16 08:31:20,066 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:31:20,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:31:20,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:31:20,087 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:31:20,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:31:20,087 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:31:20,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:31:20,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:31:20,174 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 49 conjunts are in the unsatisfiable core [2022-11-16 08:31:20,176 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:31:20,188 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:31:20,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:20,210 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:31:20,213 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:31:20,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:20,341 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:31:20,347 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:31:20,354 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:20,356 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:31:20,363 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:31:20,377 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:31:20,443 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:20,447 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:31:20,448 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:31:20,464 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:31:20,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:31:20,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:31:20,483 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:31:20,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:31:20,483 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:31:20,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:31:20,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:31:20,571 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 47 conjunts are in the unsatisfiable core [2022-11-16 08:31:20,573 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:31:20,587 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:31:20,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:20,608 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:31:20,611 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:31:20,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:20,747 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:31:20,753 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:31:20,760 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:20,762 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:31:20,769 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:31:20,784 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:31:20,849 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:20,854 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:31:20,854 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:31:20,870 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:31:20,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:31:20,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:31:20,888 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:31:20,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:31:20,889 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:31:20,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:31:20,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:31:20,974 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 49 conjunts are in the unsatisfiable core [2022-11-16 08:31:20,976 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:31:20,991 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:31:21,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:21,015 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:31:21,019 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:31:21,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:21,151 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:31:21,157 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:31:21,164 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:21,166 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:31:21,174 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:31:21,188 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:31:21,257 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:21,261 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:31:21,262 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:31:21,278 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:31:21,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:31:21,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:31:21,298 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:31:21,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:31:21,298 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:31:21,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:31:21,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:31:21,387 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 53 conjunts are in the unsatisfiable core [2022-11-16 08:31:21,389 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:31:21,402 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:31:21,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:21,433 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 19 [2022-11-16 08:31:21,437 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 12 [2022-11-16 08:31:21,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:21,612 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:21,614 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:31:21,709 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:21,714 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:31:21,714 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:31:21,732 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:31:21,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:31:21,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:31:21,751 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:31:21,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:31:21,751 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:31:21,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:31:21,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:31:21,855 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 53 conjunts are in the unsatisfiable core [2022-11-16 08:31:21,858 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:31:21,872 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:31:21,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:21,883 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:31:21,886 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:31:22,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:22,013 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:22,014 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:31:22,087 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:22,091 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:31:22,092 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:31:22,107 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:31:22,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:31:22,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:31:22,126 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:31:22,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:31:22,127 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:31:22,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:31:22,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:31:22,211 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 53 conjunts are in the unsatisfiable core [2022-11-16 08:31:22,213 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:31:22,226 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:31:22,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:22,249 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:31:22,254 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:31:22,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:22,394 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:22,395 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:31:22,468 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2022-11-16 08:31:22,501 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:31:22,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:31:22,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:31:22,521 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:31:22,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:31:22,521 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:31:22,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:31:22,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:31:22,605 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 49 conjunts are in the unsatisfiable core [2022-11-16 08:31:22,607 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:31:22,622 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:31:22,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:22,645 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:31:22,648 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:31:22,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:22,772 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:31:22,778 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:31:22,785 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:22,787 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:31:22,794 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:31:22,808 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:31:22,872 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:22,877 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:31:22,877 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:31:22,893 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:31:22,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:31:22,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:31:22,910 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:31:22,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:31:22,911 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:31:22,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:31:23,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:31:23,007 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 47 conjunts are in the unsatisfiable core [2022-11-16 08:31:23,009 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:31:23,025 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:31:23,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:23,043 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:31:23,047 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:31:23,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:23,184 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:31:23,191 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:31:23,198 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:23,200 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:31:23,208 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:31:23,222 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:31:23,293 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:23,298 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:31:23,298 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:31:23,316 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:31:23,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:31:23,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:31:23,335 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:31:23,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:31:23,336 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:31:23,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:31:23,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:31:23,433 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 53 conjunts are in the unsatisfiable core [2022-11-16 08:31:23,435 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:31:23,455 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:31:23,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:23,475 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:31:23,479 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:31:23,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:23,630 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:23,631 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:31:23,712 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2022-11-16 08:31:23,746 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:31:23,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:31:23,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:31:23,765 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:31:23,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:31:23,766 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:31:23,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:31:23,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:31:23,861 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 47 conjunts are in the unsatisfiable core [2022-11-16 08:31:23,864 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:31:23,878 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:31:23,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:23,897 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 23 [2022-11-16 08:31:23,902 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 20 [2022-11-16 08:31:23,906 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:31:23,914 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:31:24,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:24,375 INFO L321 Elim1Store]: treesize reduction 28, result has 56.9 percent of original size [2022-11-16 08:31:24,375 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 90 treesize of output 93 [2022-11-16 08:31:24,533 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2022-11-16 08:31:24,547 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:31:24,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:31:24,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:31:24,569 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:31:24,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:31:24,569 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:31:24,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:31:24,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:31:24,658 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 52 conjunts are in the unsatisfiable core [2022-11-16 08:31:24,660 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:31:24,720 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:31:24,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:24,739 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:31:24,742 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:31:24,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:24,871 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:24,872 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:31:24,953 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:24,958 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:31:24,958 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:31:24,974 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:31:24,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:31:24,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:31:24,997 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:31:24,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:31:24,998 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:31:24,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:31:25,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:31:25,087 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 50 conjunts are in the unsatisfiable core [2022-11-16 08:31:25,090 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:31:25,098 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:31:25,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:25,119 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:31:25,122 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:31:25,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:25,250 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:25,252 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:31:25,332 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:25,337 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:31:25,337 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:31:25,354 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:31:25,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:31:25,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:31:25,376 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:31:25,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:31:25,376 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:31:25,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:31:25,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:31:25,473 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 47 conjunts are in the unsatisfiable core [2022-11-16 08:31:25,475 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:31:25,491 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:31:25,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:25,507 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:31:25,511 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:31:25,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:25,648 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:31:25,654 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:31:25,661 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:25,663 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:31:25,671 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:31:25,685 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:31:25,749 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:25,754 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:31:25,754 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:31:25,772 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:31:25,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:31:25,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:31:25,795 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:31:25,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:31:25,795 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:31:25,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:31:25,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:31:25,884 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 50 conjunts are in the unsatisfiable core [2022-11-16 08:31:25,886 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:31:25,902 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:31:25,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:25,916 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 23 [2022-11-16 08:31:25,921 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 20 [2022-11-16 08:31:25,924 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:31:25,932 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:31:26,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:26,300 INFO L321 Elim1Store]: treesize reduction 28, result has 56.9 percent of original size [2022-11-16 08:31:26,301 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 90 treesize of output 93 [2022-11-16 08:31:26,453 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2022-11-16 08:31:26,466 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:31:26,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:31:26,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:31:26,487 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:31:26,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:31:26,487 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:31:26,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:31:26,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:31:26,584 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 50 conjunts are in the unsatisfiable core [2022-11-16 08:31:26,586 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:31:26,607 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:31:26,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:26,625 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 23 [2022-11-16 08:31:26,631 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:31:26,636 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-11-16 08:31:27,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:27,068 INFO L321 Elim1Store]: treesize reduction 44, result has 32.3 percent of original size [2022-11-16 08:31:27,069 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 90 treesize of output 77 [2022-11-16 08:31:27,142 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2022-11-16 08:31:27,155 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:31:27,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:31:27,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:31:27,175 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:31:27,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:31:27,175 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:31:27,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:31:27,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:31:27,278 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 53 conjunts are in the unsatisfiable core [2022-11-16 08:31:27,280 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:31:27,297 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:31:27,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:27,319 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:31:27,323 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:31:27,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:27,463 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:27,463 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:31:27,549 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:27,554 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:31:27,555 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:31:27,571 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:31:27,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:31:27,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:31:27,593 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:31:27,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:31:27,594 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:31:27,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:31:27,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:31:27,683 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 47 conjunts are in the unsatisfiable core [2022-11-16 08:31:27,685 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:31:27,704 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:31:27,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:27,725 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:31:27,730 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:31:27,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:27,931 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:31:27,937 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:31:27,944 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:27,945 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:31:27,952 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:31:27,965 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:31:28,028 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:28,032 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:31:28,032 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:31:28,049 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:31:28,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:31:28,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:31:28,071 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:31:28,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:31:28,071 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:31:28,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:31:28,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:31:28,163 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 51 conjunts are in the unsatisfiable core [2022-11-16 08:31:28,165 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:31:28,180 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:31:28,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:28,199 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:31:28,202 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:31:28,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:28,322 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:28,322 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:31:28,396 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:28,401 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:31:28,401 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:31:28,417 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:31:28,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:31:28,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:31:28,440 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:31:28,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:31:28,440 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:31:28,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:31:28,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:31:28,537 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 48 conjunts are in the unsatisfiable core [2022-11-16 08:31:28,539 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:31:28,547 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:31:28,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:28,579 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 19 [2022-11-16 08:31:28,583 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 12 [2022-11-16 08:31:28,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:28,736 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:31:28,742 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:31:28,749 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:28,751 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:31:28,758 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:31:28,772 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:31:28,836 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:28,841 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:31:28,841 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:31:28,858 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:31:28,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:31:28,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:31:28,880 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:31:28,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:31:28,880 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:31:28,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:31:28,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:31:28,979 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 49 conjunts are in the unsatisfiable core [2022-11-16 08:31:28,981 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:31:29,000 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:31:29,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:29,020 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:31:29,024 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:31:29,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:29,173 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:31:29,180 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:31:29,188 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:29,189 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:31:29,199 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:31:29,214 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:31:29,280 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2022-11-16 08:31:29,314 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:31:29,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:31:29,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:31:29,335 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:31:29,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:31:29,335 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:31:29,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:31:29,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:31:29,434 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 47 conjunts are in the unsatisfiable core [2022-11-16 08:31:29,436 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:31:29,451 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:31:29,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:29,476 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:31:29,480 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:31:29,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:29,613 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:31:29,620 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:31:29,628 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:29,629 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:31:29,638 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:31:29,651 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:31:29,723 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:29,728 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:31:29,728 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:31:29,745 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:31:29,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:31:29,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:31:29,767 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:31:29,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:31:29,767 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:31:29,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:31:29,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:31:29,859 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 49 conjunts are in the unsatisfiable core [2022-11-16 08:31:29,861 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:31:29,872 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:31:29,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:29,897 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:31:29,901 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:31:30,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:30,033 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:31:30,039 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:31:30,047 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:30,048 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:31:30,056 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:31:30,071 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:31:30,146 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:30,150 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:31:30,151 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:31:30,168 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:31:30,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:31:30,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:31:30,190 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:31:30,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:31:30,190 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:31:30,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:31:30,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:31:30,284 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 47 conjunts are in the unsatisfiable core [2022-11-16 08:31:30,286 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:31:30,294 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:31:30,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:30,325 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:31:30,329 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:31:30,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:30,465 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:31:30,472 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:31:30,479 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:30,481 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:31:30,489 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:31:30,505 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:31:30,575 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:30,580 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:31:30,580 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:31:30,597 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:31:30,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:31:30,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:31:30,718 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:31:30,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:31:30,719 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:31:30,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:31:30,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:31:30,810 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 52 conjunts are in the unsatisfiable core [2022-11-16 08:31:30,813 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:31:30,824 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:31:30,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:30,844 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:31:30,847 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:31:30,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:30,969 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:30,970 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:31:31,044 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:31,048 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:31:31,048 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:31:31,064 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:31:31,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:31:31,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:31:31,086 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:31:31,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:31:31,086 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:31:31,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:31:31,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:31:31,180 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 49 conjunts are in the unsatisfiable core [2022-11-16 08:31:31,182 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:31:31,198 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:31:31,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:31,214 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:31:31,218 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:31:31,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:31,348 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:31:31,354 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:31:31,361 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:31,362 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:31:31,370 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:31:31,383 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:31:31,444 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:31,449 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:31:31,449 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:31:31,465 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:31:31,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:31:31,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:31:31,487 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:31:31,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:31:31,488 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:31:31,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:31:31,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:31:31,591 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 52 conjunts are in the unsatisfiable core [2022-11-16 08:31:31,594 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:31:31,611 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:31:31,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:31,629 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:31:31,633 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:31:31,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:31,768 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:31,769 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:31:31,844 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:31,849 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:31:31,849 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:31:31,865 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:31:31,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:31:31,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:31:31,887 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:31:31,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:31:31,887 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:31:31,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:31:31,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:31:31,980 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 48 conjunts are in the unsatisfiable core [2022-11-16 08:31:31,982 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:31:32,001 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:31:32,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:32,016 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 23 [2022-11-16 08:31:32,020 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 20 [2022-11-16 08:31:32,024 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:31:32,031 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:31:32,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:32,440 INFO L321 Elim1Store]: treesize reduction 44, result has 32.3 percent of original size [2022-11-16 08:31:32,441 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 90 treesize of output 77 [2022-11-16 08:31:32,512 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2022-11-16 08:31:32,525 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:31:32,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:31:32,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:31:32,544 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:31:32,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:31:32,544 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:31:32,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:31:32,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:31:32,637 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 53 conjunts are in the unsatisfiable core [2022-11-16 08:31:32,639 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:31:32,652 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:31:32,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:32,668 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:31:32,672 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:31:32,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:32,811 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:32,812 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:31:32,891 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:32,896 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:31:32,896 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:31:32,912 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:31:32,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:31:32,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:31:32,934 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:31:32,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:31:32,934 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:31:32,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:31:33,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:31:33,028 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 52 conjunts are in the unsatisfiable core [2022-11-16 08:31:33,030 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:31:33,045 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:31:33,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:33,068 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:31:33,072 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:31:33,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:33,207 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:33,208 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:31:33,291 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:33,296 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:31:33,296 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:31:33,315 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:31:33,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:31:33,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:31:33,496 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:31:33,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:31:33,496 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:31:33,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:31:33,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:31:33,587 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 49 conjunts are in the unsatisfiable core [2022-11-16 08:31:33,589 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:31:33,603 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:31:33,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:33,620 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:31:33,623 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:31:33,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:33,743 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:31:33,749 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:31:33,756 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:33,757 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:31:33,764 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:31:33,777 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:31:33,837 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:33,841 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:31:33,841 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:31:33,858 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:31:33,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:31:33,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:31:33,880 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:31:33,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:31:33,880 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:31:33,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:31:33,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:31:33,976 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 50 conjunts are in the unsatisfiable core [2022-11-16 08:31:33,978 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:31:33,993 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:31:34,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:34,011 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:31:34,014 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:31:34,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:34,138 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:34,140 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:31:34,215 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:34,219 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:31:34,220 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:31:34,237 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:31:34,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:31:34,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:31:34,258 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:31:34,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:31:34,258 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:31:34,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:31:34,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:31:34,352 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 49 conjunts are in the unsatisfiable core [2022-11-16 08:31:34,354 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:31:34,367 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:31:34,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:34,386 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:31:34,390 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:31:34,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:34,519 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:31:34,525 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:31:34,532 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:34,534 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:31:34,541 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:31:34,556 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:31:34,621 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:34,625 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:31:34,626 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:31:34,642 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:31:34,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:31:34,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:31:34,664 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:31:34,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:31:34,664 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:31:34,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:31:34,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:31:34,759 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 49 conjunts are in the unsatisfiable core [2022-11-16 08:31:34,761 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:31:34,769 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:31:34,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:34,796 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:31:34,799 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:31:34,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:34,938 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:31:34,944 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:31:34,951 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:34,953 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:31:34,961 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:31:34,976 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:31:35,045 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:35,050 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:31:35,050 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:31:35,067 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:31:35,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:31:35,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:31:35,094 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:31:35,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:31:35,094 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:31:35,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:31:35,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:31:35,190 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 51 conjunts are in the unsatisfiable core [2022-11-16 08:31:35,192 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:31:35,206 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:31:35,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:35,232 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:31:35,236 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:31:35,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:35,371 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:35,371 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:31:35,458 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:35,463 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:31:35,464 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:31:35,481 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:31:35,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:31:35,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:31:35,507 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:31:35,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:31:35,507 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:31:35,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:31:35,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:31:35,606 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 53 conjunts are in the unsatisfiable core [2022-11-16 08:31:35,608 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:31:35,624 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:31:35,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:35,647 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:31:35,652 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:31:36,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:36,030 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:36,031 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:31:36,106 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2022-11-16 08:31:36,140 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:31:36,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:31:36,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:31:36,162 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:31:36,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:31:36,162 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:31:36,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:31:36,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:31:36,260 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 49 conjunts are in the unsatisfiable core [2022-11-16 08:31:36,263 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:31:36,277 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:31:36,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:36,293 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:31:36,296 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:31:36,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:36,428 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:31:36,434 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:31:36,441 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:36,443 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:31:36,450 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:31:36,463 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:31:36,527 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:36,532 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:31:36,532 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:31:36,550 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:31:36,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:31:36,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:31:36,576 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:31:36,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:31:36,576 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:31:36,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:31:36,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:31:36,674 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 52 conjunts are in the unsatisfiable core [2022-11-16 08:31:36,677 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:31:36,690 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:31:36,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:36,710 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:31:36,714 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:31:36,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:36,847 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:36,848 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:31:36,931 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:36,935 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:31:36,936 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:31:36,952 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:31:36,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:31:36,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:31:36,978 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:31:36,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:31:36,978 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:31:36,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:31:37,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:31:37,233 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 48 conjunts are in the unsatisfiable core [2022-11-16 08:31:37,235 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:31:37,248 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:31:37,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:37,273 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 23 [2022-11-16 08:31:37,278 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:31:37,282 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-11-16 08:31:37,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:37,689 INFO L321 Elim1Store]: treesize reduction 44, result has 32.3 percent of original size [2022-11-16 08:31:37,689 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 90 treesize of output 77 [2022-11-16 08:31:37,753 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2022-11-16 08:31:37,766 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:31:37,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:31:37,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:31:37,787 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:31:37,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:31:37,787 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:31:37,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:31:37,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:31:37,883 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 49 conjunts are in the unsatisfiable core [2022-11-16 08:31:37,886 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:31:37,898 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:31:37,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:37,919 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:31:37,923 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:31:38,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:38,049 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:31:38,054 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:31:38,061 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:38,063 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:31:38,070 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:31:38,084 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:31:38,149 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:38,153 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:31:38,154 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:31:38,170 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:31:38,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:31:38,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:31:38,194 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:31:38,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:31:38,195 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:31:38,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:31:38,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:31:38,289 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 52 conjunts are in the unsatisfiable core [2022-11-16 08:31:38,291 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:31:38,301 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:31:38,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:38,326 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:31:38,330 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:31:38,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:38,464 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:38,466 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:31:38,547 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:38,551 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:31:38,552 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:31:38,567 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:31:38,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:31:38,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:31:38,591 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:31:38,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:31:38,591 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:31:38,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:31:38,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:31:38,688 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 52 conjunts are in the unsatisfiable core [2022-11-16 08:31:38,691 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:31:38,707 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:31:38,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:38,728 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:31:38,732 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:31:38,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:38,892 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:38,893 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:31:38,972 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:38,978 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:31:38,979 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:31:38,996 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:31:39,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:31:39,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:31:39,014 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:31:39,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:31:39,014 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:31:39,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:31:39,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:31:39,111 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 52 conjunts are in the unsatisfiable core [2022-11-16 08:31:39,113 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:31:39,126 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:31:39,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:39,153 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:31:39,157 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:31:39,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:39,289 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:39,291 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:31:39,378 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:39,383 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:31:39,383 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:31:39,399 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:31:39,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:31:39,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:31:39,418 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:31:39,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:31:39,418 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:31:39,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:31:39,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:31:39,514 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 52 conjunts are in the unsatisfiable core [2022-11-16 08:31:39,516 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:31:39,531 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:31:39,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:39,552 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:31:39,557 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:31:39,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:39,813 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:39,815 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:31:39,896 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:39,900 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:31:39,901 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:31:39,920 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:31:39,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:31:39,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:31:39,944 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:31:39,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:31:39,944 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:31:39,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:31:40,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:31:40,085 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 49 conjunts are in the unsatisfiable core [2022-11-16 08:31:40,088 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:31:40,100 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:31:40,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:40,127 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:31:40,131 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:31:40,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:40,266 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:31:40,274 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:31:40,282 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:40,283 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:31:40,292 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:31:40,307 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:31:40,380 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:40,384 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:31:40,385 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:31:40,407 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:31:40,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:31:40,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:31:40,433 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:31:40,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:31:40,434 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:31:40,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:31:40,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:31:40,586 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 49 conjunts are in the unsatisfiable core [2022-11-16 08:31:40,588 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:31:40,605 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:31:40,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:40,622 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:31:40,626 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:31:40,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:40,778 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:31:40,786 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:31:40,794 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:40,796 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:31:40,804 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:31:40,818 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:31:40,891 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:40,896 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:31:40,896 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:31:40,916 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:31:40,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:31:40,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:31:40,939 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:31:40,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:31:40,940 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:31:40,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:31:41,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:31:41,075 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 50 conjunts are in the unsatisfiable core [2022-11-16 08:31:41,077 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:31:41,093 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:31:41,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:41,118 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:31:41,122 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:31:41,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:41,265 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:41,266 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:31:41,355 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:41,360 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:31:41,360 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:31:41,381 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:31:41,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:31:41,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:31:41,406 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:31:41,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:31:41,406 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:31:41,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:31:41,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:31:41,545 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 50 conjunts are in the unsatisfiable core [2022-11-16 08:31:41,547 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:31:41,566 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:31:41,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:41,622 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:31:41,626 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:31:41,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:41,786 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:41,788 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:31:42,040 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:42,044 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:31:42,044 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:31:42,060 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:31:42,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:31:42,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:31:42,079 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:31:42,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:31:42,079 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:31:42,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:31:42,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:31:42,172 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 47 conjunts are in the unsatisfiable core [2022-11-16 08:31:42,175 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:31:42,185 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:31:42,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:42,204 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:31:42,207 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:31:42,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:42,336 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:31:42,342 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:31:42,348 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:42,349 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:31:42,356 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:31:42,370 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:31:42,429 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:42,434 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:31:42,434 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:31:42,450 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:31:42,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:31:42,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:31:42,469 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:31:42,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:31:42,469 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:31:42,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:31:42,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:31:42,564 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 52 conjunts are in the unsatisfiable core [2022-11-16 08:31:42,566 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:31:42,578 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:31:42,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:42,602 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:31:42,606 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:31:42,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:42,728 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:42,729 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:31:42,809 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:42,813 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:31:42,814 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:31:42,831 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:31:42,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:31:42,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:31:42,851 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:31:42,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:31:42,851 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:31:42,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:31:42,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:31:42,947 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 52 conjunts are in the unsatisfiable core [2022-11-16 08:31:42,950 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:31:42,964 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:31:42,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:42,988 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:31:42,992 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:31:43,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:43,118 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:43,120 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:31:43,208 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:43,213 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:31:43,213 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:31:43,230 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:31:43,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:31:43,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:31:43,250 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:31:43,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:31:43,250 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:31:43,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:31:43,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:31:43,344 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 47 conjunts are in the unsatisfiable core [2022-11-16 08:31:43,346 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:31:43,359 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:31:43,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:43,381 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:31:43,385 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:31:43,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:43,517 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:31:43,524 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:31:43,532 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:43,533 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:31:43,540 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:31:43,555 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:31:43,621 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:43,626 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:31:43,626 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:31:43,644 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:31:43,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:31:43,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:31:43,663 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:31:43,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:31:43,663 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:31:43,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:31:43,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:31:43,801 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 50 conjunts are in the unsatisfiable core [2022-11-16 08:31:43,803 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:31:43,820 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:31:43,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:43,843 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:31:43,848 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:31:44,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:44,009 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:44,011 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:31:44,112 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:44,117 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:31:44,117 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:31:44,137 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:31:44,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:31:44,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:31:44,164 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:31:44,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:31:44,164 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:31:44,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:31:44,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:31:44,360 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 49 conjunts are in the unsatisfiable core [2022-11-16 08:31:44,362 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:31:44,378 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:31:44,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:44,395 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:31:44,399 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:31:44,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:44,523 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:31:44,529 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:31:44,535 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:44,537 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:31:44,544 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:31:44,557 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:31:44,619 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:44,624 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:31:44,624 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:31:44,641 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:31:44,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:31:44,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:31:44,663 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:31:44,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:31:44,664 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:31:44,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:31:44,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:31:44,763 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 50 conjunts are in the unsatisfiable core [2022-11-16 08:31:44,765 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:31:44,779 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:31:44,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:44,799 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:31:44,803 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:31:44,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:44,957 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:31:44,963 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:31:44,970 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:44,972 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:31:44,979 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:31:44,993 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:31:45,059 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:45,064 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:31:45,064 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:31:45,081 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:31:45,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:31:45,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:31:45,104 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:31:45,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:31:45,104 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:31:45,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:31:45,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:31:45,200 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 52 conjunts are in the unsatisfiable core [2022-11-16 08:31:45,202 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:31:45,218 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:31:45,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:45,235 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:31:45,239 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:31:45,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:45,374 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:45,375 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:31:45,457 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:45,462 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:31:45,462 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:31:45,480 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:31:45,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:31:45,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:31:45,503 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:31:45,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:31:45,503 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:31:45,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:31:45,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:31:45,604 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 50 conjunts are in the unsatisfiable core [2022-11-16 08:31:45,606 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:31:45,621 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:31:45,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:45,638 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 19 [2022-11-16 08:31:45,643 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 12 [2022-11-16 08:31:45,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:45,816 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:31:45,822 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:31:45,829 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:45,831 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:31:45,839 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:31:45,854 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:31:45,921 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:45,926 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:31:45,926 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:31:45,942 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:31:45,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:31:45,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:31:45,964 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:31:45,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:31:45,965 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:31:45,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:31:46,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:31:46,062 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 49 conjunts are in the unsatisfiable core [2022-11-16 08:31:46,065 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:31:46,085 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:31:46,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:46,107 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 23 [2022-11-16 08:31:46,112 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 20 [2022-11-16 08:31:46,116 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:31:46,124 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:31:46,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:46,555 INFO L321 Elim1Store]: treesize reduction 28, result has 56.9 percent of original size [2022-11-16 08:31:46,555 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 90 treesize of output 93 [2022-11-16 08:31:46,866 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2022-11-16 08:31:46,880 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:31:46,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:31:46,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:31:46,903 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:31:46,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:31:46,903 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:31:46,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:31:46,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:31:47,001 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 52 conjunts are in the unsatisfiable core [2022-11-16 08:31:47,003 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:31:47,019 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:31:47,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:47,039 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:31:47,043 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:31:47,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:47,166 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:47,167 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:31:47,246 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:47,250 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:31:47,250 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:31:47,268 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:31:47,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:31:47,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:31:47,290 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:31:47,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:31:47,290 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:31:47,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:31:47,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:31:47,385 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 47 conjunts are in the unsatisfiable core [2022-11-16 08:31:47,387 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:31:47,401 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:31:47,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:47,419 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:31:47,422 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:31:47,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:47,552 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:31:47,558 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:31:47,565 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:47,567 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:31:47,574 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:31:47,587 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:31:47,653 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:47,658 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:31:47,658 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:31:47,674 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:31:47,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:31:47,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:31:47,696 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:31:47,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:31:47,697 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:31:47,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:31:47,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:31:47,790 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 50 conjunts are in the unsatisfiable core [2022-11-16 08:31:47,792 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:31:47,808 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:31:47,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:47,823 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:31:47,826 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:31:47,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:47,958 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:47,959 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:31:48,046 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:48,051 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:31:48,051 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:31:48,067 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:31:48,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:31:48,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:31:48,089 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:31:48,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:31:48,090 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:31:48,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:31:48,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:31:48,184 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 49 conjunts are in the unsatisfiable core [2022-11-16 08:31:48,186 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:31:48,200 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:31:48,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:48,227 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:31:48,231 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:31:48,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:48,365 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:31:48,372 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:31:48,379 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:48,381 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:31:48,389 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:31:48,404 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:31:48,473 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:48,478 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:31:48,479 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:31:48,497 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:31:48,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:31:48,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:31:48,518 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:31:48,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:31:48,519 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:31:48,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:31:48,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:31:48,615 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 47 conjunts are in the unsatisfiable core [2022-11-16 08:31:48,617 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:31:48,633 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:31:48,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:48,651 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:31:48,655 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:31:48,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:48,982 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:31:48,989 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:31:48,997 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:48,998 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:31:49,006 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:31:49,021 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:31:49,088 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:49,092 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:31:49,093 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:31:49,111 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:31:49,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:31:49,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:31:49,138 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:31:49,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:31:49,139 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:31:49,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:31:49,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:31:49,271 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 50 conjunts are in the unsatisfiable core [2022-11-16 08:31:49,273 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:31:49,283 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:31:49,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:49,312 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:31:49,316 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:31:49,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:49,450 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:49,452 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:31:49,541 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:49,546 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:31:49,546 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:31:49,566 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:31:49,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:31:49,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:31:49,593 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:31:49,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:31:49,594 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:31:49,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:31:49,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:31:49,728 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 47 conjunts are in the unsatisfiable core [2022-11-16 08:31:49,730 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:31:49,740 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:31:49,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:49,771 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:31:49,775 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:31:49,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:49,916 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:31:49,923 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:31:49,932 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:49,933 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:31:49,941 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:31:49,956 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:31:50,028 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:50,033 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:31:50,033 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:31:50,054 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:31:50,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:31:50,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:31:50,082 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:31:50,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:31:50,083 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:31:50,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:31:50,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:31:50,217 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 50 conjunts are in the unsatisfiable core [2022-11-16 08:31:50,219 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:31:50,235 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:31:50,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:50,254 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:31:50,258 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:31:50,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:50,407 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:50,408 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:31:50,497 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:50,502 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:31:50,503 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:31:50,522 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:31:50,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:31:50,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:31:50,549 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:31:50,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:31:50,549 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:31:50,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:31:50,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:31:50,687 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 50 conjunts are in the unsatisfiable core [2022-11-16 08:31:50,689 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:31:50,706 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:31:50,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:50,726 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:31:50,730 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:31:50,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:50,895 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:50,896 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:31:50,996 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:51,001 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:31:51,001 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:31:51,022 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:31:51,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:31:51,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:31:51,051 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:31:51,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:31:51,052 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:31:51,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:31:51,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:31:51,328 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 49 conjunts are in the unsatisfiable core [2022-11-16 08:31:51,330 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:31:51,342 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:31:51,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:51,365 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:31:51,368 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:31:51,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:51,484 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:31:51,490 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:31:51,496 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:51,498 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:31:51,505 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:31:51,517 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:31:51,580 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:51,585 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:31:51,585 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:31:51,602 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:31:51,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:31:51,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:31:51,624 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:31:51,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:31:51,624 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:31:51,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:31:51,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:31:51,719 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 52 conjunts are in the unsatisfiable core [2022-11-16 08:31:51,721 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:31:51,736 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:31:51,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:51,753 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:31:51,757 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:31:51,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:51,890 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:51,892 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:31:51,967 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:51,972 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:31:51,972 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:31:51,988 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:31:52,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:31:52,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:31:52,009 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:31:52,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:31:52,009 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:31:52,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:31:52,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:31:52,102 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 49 conjunts are in the unsatisfiable core [2022-11-16 08:31:52,104 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:31:52,118 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:31:52,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:52,132 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:31:52,136 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:31:52,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:52,271 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:31:52,277 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:31:52,285 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:52,286 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:31:52,294 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:31:52,309 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:31:52,377 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:52,381 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:31:52,382 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:31:52,398 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:31:52,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:31:52,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:31:52,419 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:31:52,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:31:52,420 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:31:52,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:31:52,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:31:52,517 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 50 conjunts are in the unsatisfiable core [2022-11-16 08:31:52,519 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:31:52,535 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:31:52,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:52,555 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:31:52,559 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:31:52,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:52,687 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:52,688 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:31:52,768 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:52,773 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:31:52,773 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:31:52,790 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:31:52,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:31:52,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:31:52,810 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:31:52,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:31:52,810 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:31:52,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:31:52,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:31:52,905 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 49 conjunts are in the unsatisfiable core [2022-11-16 08:31:52,907 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:31:52,924 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:31:52,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:52,941 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:31:52,945 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:31:53,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:53,088 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:31:53,095 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:31:53,103 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:53,104 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:31:53,112 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:31:53,127 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:31:53,203 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:53,208 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:31:53,209 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:31:53,228 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:31:53,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:31:53,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:31:53,255 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:31:53,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:31:53,255 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:31:53,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:31:53,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:31:53,393 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 52 conjunts are in the unsatisfiable core [2022-11-16 08:31:53,395 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:31:53,414 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:31:53,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:53,427 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:31:53,432 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:31:53,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:53,586 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:53,588 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:31:53,799 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:53,803 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:31:53,803 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:31:53,821 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:31:53,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:31:53,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:31:53,841 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:31:53,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:31:53,841 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:31:53,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:31:53,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:31:53,935 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 49 conjunts are in the unsatisfiable core [2022-11-16 08:31:53,937 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:31:53,952 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:31:53,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:53,970 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:31:53,974 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:31:54,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:54,097 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:31:54,103 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:31:54,110 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:54,111 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:31:54,119 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:31:54,132 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:31:54,195 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:54,200 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:31:54,200 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:31:54,217 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:31:54,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:31:54,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:31:54,239 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:31:54,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:31:54,239 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:31:54,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:31:54,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:31:54,334 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 52 conjunts are in the unsatisfiable core [2022-11-16 08:31:54,336 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:31:54,351 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:31:54,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:54,371 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:31:54,374 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:31:54,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:54,497 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:54,499 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:31:54,576 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:54,581 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:31:54,581 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:31:54,598 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:31:54,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:31:54,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:31:54,620 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:31:54,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:31:54,620 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:31:54,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:31:54,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:31:54,716 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 50 conjunts are in the unsatisfiable core [2022-11-16 08:31:54,718 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:31:54,731 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:31:54,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:54,753 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:31:54,756 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:31:54,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:54,889 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:54,890 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:31:54,968 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:54,973 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:31:54,973 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:31:54,990 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:31:55,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:31:55,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:31:55,011 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:31:55,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:31:55,011 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:31:55,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:31:55,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:31:55,107 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 53 conjunts are in the unsatisfiable core [2022-11-16 08:31:55,109 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:31:55,127 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:31:55,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:55,149 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 23 [2022-11-16 08:31:55,153 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 20 [2022-11-16 08:31:55,157 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:31:55,164 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:31:55,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:55,639 INFO L321 Elim1Store]: treesize reduction 28, result has 56.9 percent of original size [2022-11-16 08:31:55,639 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 90 treesize of output 93 [2022-11-16 08:31:55,805 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2022-11-16 08:31:55,839 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:31:55,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:31:55,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:31:55,860 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:31:55,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:31:55,860 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:31:55,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:31:55,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:31:55,956 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 50 conjunts are in the unsatisfiable core [2022-11-16 08:31:55,958 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:31:55,973 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:31:55,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:55,996 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:31:56,176 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:31:56,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:56,298 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:56,299 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:31:56,372 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:56,376 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:31:56,377 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:31:56,393 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:31:56,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:31:56,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:31:56,417 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:31:56,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:31:56,418 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:31:56,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:31:56,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:31:56,511 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 50 conjunts are in the unsatisfiable core [2022-11-16 08:31:56,513 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:31:56,528 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:31:56,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:56,545 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:31:56,548 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:31:56,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:56,668 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:56,670 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:31:56,749 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:56,754 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:31:56,754 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:31:56,770 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:31:56,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:31:56,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:31:56,794 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:31:56,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:31:56,794 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:31:56,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:31:56,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:31:56,888 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 52 conjunts are in the unsatisfiable core [2022-11-16 08:31:56,890 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:31:56,904 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:31:56,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:56,922 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:31:56,926 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:31:57,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:57,058 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:57,059 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:31:57,136 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:57,141 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:31:57,141 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:31:57,157 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:31:57,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:31:57,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:31:57,181 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:31:57,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:31:57,181 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:31:57,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:31:57,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:31:57,275 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 47 conjunts are in the unsatisfiable core [2022-11-16 08:31:57,277 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:31:57,290 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:31:57,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:57,312 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:31:57,315 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:31:57,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:57,447 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:31:57,453 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:31:57,461 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:57,462 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:31:57,470 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:31:57,485 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:31:57,551 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:57,556 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:31:57,556 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:31:57,572 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:31:57,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:31:57,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:31:57,596 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:31:57,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:31:57,597 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:31:57,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:31:57,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:31:57,694 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 50 conjunts are in the unsatisfiable core [2022-11-16 08:31:57,696 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:31:57,710 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:31:57,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:57,728 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 23 [2022-11-16 08:31:57,733 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 20 [2022-11-16 08:31:57,737 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:31:57,744 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:31:58,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:58,171 INFO L321 Elim1Store]: treesize reduction 44, result has 32.3 percent of original size [2022-11-16 08:31:58,171 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 90 treesize of output 77 [2022-11-16 08:31:58,245 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2022-11-16 08:31:58,259 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:31:58,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:31:58,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:31:58,281 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:31:58,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:31:58,281 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:31:58,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:31:58,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:31:58,375 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 50 conjunts are in the unsatisfiable core [2022-11-16 08:31:58,377 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:31:58,394 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:31:58,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:58,412 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:31:58,416 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:31:58,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:58,566 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:58,567 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:31:58,656 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:58,661 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:31:58,661 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:31:58,819 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:31:58,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:31:58,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:31:58,850 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:31:58,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:31:58,850 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:31:58,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:31:58,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:31:58,987 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 51 conjunts are in the unsatisfiable core [2022-11-16 08:31:58,990 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:31:59,005 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:31:59,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:59,031 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 19 [2022-11-16 08:31:59,035 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 12 [2022-11-16 08:31:59,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:59,204 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:59,205 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:31:59,291 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:59,296 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:31:59,296 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:31:59,316 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:31:59,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:31:59,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:31:59,347 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:31:59,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:31:59,347 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:31:59,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:31:59,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:31:59,487 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 53 conjunts are in the unsatisfiable core [2022-11-16 08:31:59,490 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:31:59,507 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:31:59,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:59,537 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:31:59,541 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:31:59,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:31:59,689 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:31:59,690 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:31:59,771 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2022-11-16 08:31:59,808 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:31:59,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:31:59,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:31:59,836 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:31:59,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:31:59,837 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:31:59,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:31:59,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:31:59,976 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 49 conjunts are in the unsatisfiable core [2022-11-16 08:31:59,978 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:31:59,994 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:32:00,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:00,021 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:32:00,025 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:32:00,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:00,172 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:32:00,179 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:32:00,188 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:00,190 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:32:00,199 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:32:00,215 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:32:00,290 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:00,295 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:32:00,295 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:32:00,315 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:32:00,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:32:00,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:32:00,347 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:32:00,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:32:00,347 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:32:00,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:32:00,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:32:00,497 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 53 conjunts are in the unsatisfiable core [2022-11-16 08:32:00,500 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:32:00,521 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:32:00,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:00,540 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:32:00,545 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:32:00,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:00,728 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:00,728 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:32:00,816 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2022-11-16 08:32:00,855 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:32:00,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:32:00,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:32:00,884 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:32:00,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:32:00,884 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:32:00,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:32:01,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:32:01,027 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 48 conjunts are in the unsatisfiable core [2022-11-16 08:32:01,029 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:32:01,046 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:32:01,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:01,078 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 23 [2022-11-16 08:32:01,085 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:32:01,090 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-11-16 08:32:01,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:01,563 INFO L321 Elim1Store]: treesize reduction 44, result has 32.3 percent of original size [2022-11-16 08:32:01,563 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 90 treesize of output 77 [2022-11-16 08:32:01,647 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2022-11-16 08:32:01,664 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:32:01,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:32:01,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:32:01,692 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:32:01,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:32:01,693 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:32:01,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:32:01,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:32:01,985 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 52 conjunts are in the unsatisfiable core [2022-11-16 08:32:01,987 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:32:01,995 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:32:02,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:02,018 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:32:02,022 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:32:02,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:02,144 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:02,146 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:32:02,225 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:02,230 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:32:02,230 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:32:02,246 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:32:02,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:32:02,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:32:02,273 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:32:02,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:32:02,273 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:32:02,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:32:02,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:32:02,370 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 52 conjunts are in the unsatisfiable core [2022-11-16 08:32:02,372 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:32:02,387 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:32:02,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:02,407 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:32:02,410 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:32:02,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:02,539 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:02,540 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:32:02,622 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:02,626 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:32:02,627 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:32:02,643 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:32:02,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:32:02,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:32:02,668 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:32:02,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:32:02,669 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:32:02,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:32:02,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:32:02,767 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 50 conjunts are in the unsatisfiable core [2022-11-16 08:32:02,769 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:32:02,782 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:32:02,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:02,804 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:32:02,807 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:32:02,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:02,972 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:32:02,978 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:32:02,986 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:02,987 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:32:02,995 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:32:03,009 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:32:03,078 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:03,083 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:32:03,083 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:32:03,100 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:32:03,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:32:03,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:32:03,126 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:32:03,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:32:03,126 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:32:03,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:32:03,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:32:03,225 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 55 conjunts are in the unsatisfiable core [2022-11-16 08:32:03,227 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:32:03,247 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:32:03,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:03,273 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:32:03,277 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:32:03,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:03,424 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:03,425 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:32:03,509 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2022-11-16 08:32:03,544 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:32:03,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:32:03,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:32:03,566 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:32:03,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:32:03,566 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:32:03,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:32:03,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:32:03,664 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 54 conjunts are in the unsatisfiable core [2022-11-16 08:32:03,667 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:32:03,682 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:32:03,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:03,709 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:32:03,714 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:32:03,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:03,874 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:03,875 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:32:03,954 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2022-11-16 08:32:03,988 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:32:04,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:32:04,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:32:04,009 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:32:04,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:32:04,009 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:32:04,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:32:04,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:32:04,279 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 49 conjunts are in the unsatisfiable core [2022-11-16 08:32:04,281 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:32:04,293 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:32:04,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:04,316 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:32:04,319 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:32:04,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:04,437 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:32:04,443 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:32:04,450 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:04,451 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:32:04,458 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:32:04,471 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:32:04,531 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:04,535 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:32:04,536 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:32:04,551 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:32:04,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:32:04,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:32:04,576 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:32:04,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:32:04,577 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:32:04,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:32:04,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:32:04,674 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 50 conjunts are in the unsatisfiable core [2022-11-16 08:32:04,676 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:32:04,687 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:32:04,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:04,709 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:32:04,712 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:32:04,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:04,846 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:04,847 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:32:04,925 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:04,929 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:32:04,930 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:32:04,946 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:32:04,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:32:04,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:32:04,972 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:32:04,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:32:04,972 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:32:04,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:32:05,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:32:05,070 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 49 conjunts are in the unsatisfiable core [2022-11-16 08:32:05,072 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:32:05,086 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:32:05,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:05,106 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:32:05,110 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:32:05,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:05,240 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:32:05,246 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:32:05,253 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:05,255 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:32:05,262 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:32:05,276 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:32:05,341 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:05,346 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:32:05,346 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:32:05,363 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:32:05,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:32:05,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:32:05,388 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:32:05,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:32:05,389 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:32:05,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:32:05,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:32:05,486 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 50 conjunts are in the unsatisfiable core [2022-11-16 08:32:05,488 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:32:05,499 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:32:05,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:05,521 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:32:05,524 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:32:05,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:05,655 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:05,656 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:32:05,736 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:05,741 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:32:05,741 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:32:05,758 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:32:05,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:32:05,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:32:05,783 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:32:05,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:32:05,784 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:32:05,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:32:05,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:32:05,877 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 53 conjunts are in the unsatisfiable core [2022-11-16 08:32:05,879 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:32:05,895 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:32:05,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:05,918 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:32:05,922 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:32:06,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:06,046 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:06,047 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:32:06,127 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:06,132 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:32:06,132 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:32:06,147 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:32:06,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:32:06,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:32:06,353 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:32:06,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:32:06,353 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:32:06,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:32:06,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:32:06,449 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 47 conjunts are in the unsatisfiable core [2022-11-16 08:32:06,451 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:32:06,463 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:32:06,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:06,484 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:32:06,487 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:32:06,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:06,606 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:32:06,612 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:32:06,619 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:06,620 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:32:06,627 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:32:06,640 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:32:06,701 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:06,705 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:32:06,706 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:32:06,723 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:32:06,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:32:06,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:32:06,741 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:32:06,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:32:06,741 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:32:06,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:32:06,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:32:06,834 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 50 conjunts are in the unsatisfiable core [2022-11-16 08:32:06,836 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:32:06,846 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:32:06,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:06,867 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:32:06,870 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:32:06,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:06,996 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:06,997 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:32:07,073 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:07,077 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:32:07,077 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:32:07,094 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:32:07,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:32:07,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:32:07,113 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:32:07,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:32:07,113 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:32:07,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:32:07,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:32:07,218 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 52 conjunts are in the unsatisfiable core [2022-11-16 08:32:07,221 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:32:07,235 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:32:07,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:07,248 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 23 [2022-11-16 08:32:07,252 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 20 [2022-11-16 08:32:07,255 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:32:07,261 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:32:07,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:07,619 INFO L321 Elim1Store]: treesize reduction 28, result has 56.9 percent of original size [2022-11-16 08:32:07,620 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 90 treesize of output 93 [2022-11-16 08:32:07,767 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2022-11-16 08:32:07,781 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:32:07,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:32:07,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:32:07,801 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:32:07,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:32:07,801 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:32:07,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:32:07,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:32:07,900 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 52 conjunts are in the unsatisfiable core [2022-11-16 08:32:07,902 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:32:07,916 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:32:07,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:07,940 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:32:07,944 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:32:08,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:08,086 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:08,087 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:32:08,176 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:08,180 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:32:08,181 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:32:08,198 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:32:08,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:32:08,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:32:08,218 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:32:08,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:32:08,218 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:32:08,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:32:08,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:32:08,327 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 47 conjunts are in the unsatisfiable core [2022-11-16 08:32:08,329 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:32:08,343 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:32:08,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:08,368 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:32:08,372 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:32:08,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:08,699 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:32:08,705 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:32:08,714 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:08,715 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:32:08,724 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:32:08,739 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:32:08,808 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:08,813 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:32:08,813 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:32:08,832 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:32:08,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:32:08,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:32:08,856 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:32:08,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:32:08,856 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:32:08,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:32:09,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:32:09,011 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 47 conjunts are in the unsatisfiable core [2022-11-16 08:32:09,014 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:32:09,029 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:32:09,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:09,054 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:32:09,058 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:32:09,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:09,198 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:32:09,206 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:32:09,214 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:09,216 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:32:09,224 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:32:09,238 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:32:09,308 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:09,313 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:32:09,313 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:32:09,334 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:32:09,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:32:09,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:32:09,359 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:32:09,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:32:09,359 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:32:09,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:32:09,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:32:09,498 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 53 conjunts are in the unsatisfiable core [2022-11-16 08:32:09,501 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:32:09,515 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:32:09,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:09,538 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:32:09,542 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:32:09,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:09,684 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:09,685 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:32:09,771 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:09,776 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:32:09,777 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:32:09,796 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:32:09,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:32:09,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:32:09,819 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:32:09,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:32:09,820 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:32:09,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:32:09,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:32:09,959 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 52 conjunts are in the unsatisfiable core [2022-11-16 08:32:09,962 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:32:09,979 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:32:10,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:10,003 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:32:10,007 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:32:10,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:10,174 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:10,174 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:32:10,264 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:10,268 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:32:10,269 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:32:10,288 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:32:10,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:32:10,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:32:10,311 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:32:10,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:32:10,311 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:32:10,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:32:10,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:32:10,450 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 47 conjunts are in the unsatisfiable core [2022-11-16 08:32:10,453 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:32:10,470 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:32:10,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:10,489 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:32:10,493 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:32:10,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:10,648 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:32:10,656 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:32:10,665 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:10,667 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:32:10,676 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:32:10,691 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:32:10,768 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:10,773 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:32:10,773 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:32:10,794 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:32:10,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:32:10,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:32:10,818 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:32:10,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:32:10,819 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:32:10,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:32:11,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:32:11,107 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 55 conjunts are in the unsatisfiable core [2022-11-16 08:32:11,109 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:32:11,122 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:32:11,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:11,146 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:32:11,150 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:32:11,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:11,289 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:11,290 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:32:11,360 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2022-11-16 08:32:11,394 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:32:11,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:32:11,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:32:11,414 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:32:11,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:32:11,414 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:32:11,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:32:11,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:32:11,513 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 47 conjunts are in the unsatisfiable core [2022-11-16 08:32:11,515 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:32:11,530 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:32:11,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:11,549 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:32:11,554 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:32:11,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:11,691 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:32:11,697 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:32:11,704 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:11,706 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:32:11,714 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:32:11,727 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:32:11,792 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:11,797 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:32:11,797 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:32:11,814 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:32:11,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:32:11,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:32:11,834 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:32:11,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:32:11,834 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:32:11,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:32:11,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:32:11,932 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 52 conjunts are in the unsatisfiable core [2022-11-16 08:32:11,934 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:32:11,951 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:32:11,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:11,967 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:32:11,971 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:32:12,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:12,104 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:12,106 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:32:12,185 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:12,190 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:32:12,190 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:32:12,208 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:32:12,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:32:12,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:32:12,227 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:32:12,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:32:12,228 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:32:12,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:32:12,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:32:12,326 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 52 conjunts are in the unsatisfiable core [2022-11-16 08:32:12,329 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:32:12,343 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:32:12,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:12,363 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:32:12,367 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:32:12,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:12,503 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:12,504 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:32:12,595 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:12,600 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:32:12,600 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:32:12,616 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:32:12,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:32:12,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:32:12,635 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:32:12,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:32:12,636 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:32:12,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:32:12,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:32:12,735 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 53 conjunts are in the unsatisfiable core [2022-11-16 08:32:12,737 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:32:12,750 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:32:12,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:12,772 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:32:12,776 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:32:12,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:12,924 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:12,925 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:32:13,013 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:13,018 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:32:13,018 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:32:13,035 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:32:13,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:32:13,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:32:13,058 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:32:13,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:32:13,058 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:32:13,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:32:13,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:32:13,165 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 55 conjunts are in the unsatisfiable core [2022-11-16 08:32:13,167 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:32:13,182 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:32:13,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:13,211 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:32:13,216 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:32:13,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:13,379 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:13,379 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:32:13,464 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2022-11-16 08:32:13,499 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:32:13,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:32:13,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:32:13,519 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:32:13,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:32:13,519 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:32:13,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:32:13,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:32:13,625 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 55 conjunts are in the unsatisfiable core [2022-11-16 08:32:13,628 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:32:13,643 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:32:13,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:13,668 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:32:13,672 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:32:13,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:13,849 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:13,850 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:32:14,113 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2022-11-16 08:32:14,146 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:32:14,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:32:14,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:32:14,166 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:32:14,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:32:14,166 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:32:14,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:32:14,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:32:14,258 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 47 conjunts are in the unsatisfiable core [2022-11-16 08:32:14,260 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:32:14,275 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:32:14,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:14,290 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:32:14,293 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:32:14,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:14,415 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:32:14,421 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:32:14,427 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:14,429 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:32:14,436 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:32:14,448 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:32:14,509 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:14,517 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:32:14,518 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:32:14,534 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:32:14,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:32:14,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:32:14,553 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:32:14,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:32:14,553 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:32:14,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:32:14,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:32:14,650 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 53 conjunts are in the unsatisfiable core [2022-11-16 08:32:14,652 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:32:14,664 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:32:14,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:14,692 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:32:14,697 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:32:14,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:14,827 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:14,828 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:32:14,908 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2022-11-16 08:32:14,941 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:32:14,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:32:14,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:32:14,962 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:32:14,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:32:14,962 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:32:14,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:32:15,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:32:15,064 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 53 conjunts are in the unsatisfiable core [2022-11-16 08:32:15,066 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:32:15,085 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:32:15,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:15,097 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:32:15,101 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:32:15,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:15,257 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:15,258 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:32:15,336 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2022-11-16 08:32:15,369 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:32:15,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:32:15,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:32:15,389 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:32:15,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:32:15,390 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:32:15,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:32:15,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:32:15,488 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 47 conjunts are in the unsatisfiable core [2022-11-16 08:32:15,490 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:32:15,502 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:32:15,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:15,526 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:32:15,530 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:32:15,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:15,673 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:32:15,680 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:32:15,688 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:15,689 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:32:15,697 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:32:15,711 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:32:15,783 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:15,789 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:32:15,789 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:32:15,806 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:32:15,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:32:15,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:32:15,826 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:32:15,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:32:15,826 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:32:15,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:32:16,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:32:16,102 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 52 conjunts are in the unsatisfiable core [2022-11-16 08:32:16,105 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:32:16,118 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:32:16,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:16,132 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:32:16,135 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:32:16,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:16,264 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:16,265 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:32:16,341 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:16,346 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:32:16,346 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:32:16,362 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:32:16,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:32:16,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:32:16,382 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:32:16,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:32:16,383 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:32:16,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:32:16,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:32:16,481 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 50 conjunts are in the unsatisfiable core [2022-11-16 08:32:16,484 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:32:16,499 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:32:16,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:16,516 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:32:16,519 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:32:16,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:16,652 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:16,654 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:32:16,732 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:16,737 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:32:16,737 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:32:16,755 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:32:16,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:32:16,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:32:16,775 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:32:16,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:32:16,775 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:32:16,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:32:16,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:32:16,876 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 49 conjunts are in the unsatisfiable core [2022-11-16 08:32:16,879 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:32:16,892 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:32:16,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:16,909 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:32:16,913 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:32:17,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:17,052 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:32:17,059 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:32:17,066 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:17,068 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:32:17,076 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:32:17,090 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:32:17,159 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:17,164 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:32:17,165 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:32:17,182 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:32:17,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:32:17,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:32:17,201 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:32:17,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:32:17,201 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:32:17,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:32:17,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:32:17,299 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 49 conjunts are in the unsatisfiable core [2022-11-16 08:32:17,302 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:32:17,319 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:32:17,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:17,336 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:32:17,340 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:32:17,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:17,483 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:32:17,490 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:32:17,498 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:17,499 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:32:17,508 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:32:17,523 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:32:17,593 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:17,598 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:32:17,598 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:32:17,615 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:32:17,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:32:17,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:32:17,635 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:32:17,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:32:17,635 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:32:17,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:32:17,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:32:17,735 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 47 conjunts are in the unsatisfiable core [2022-11-16 08:32:17,738 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:32:17,752 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:32:17,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:17,774 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:32:17,778 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:32:17,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:17,927 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:32:17,934 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:32:17,942 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:17,944 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:32:17,952 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:32:17,968 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:32:18,046 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:18,051 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:32:18,051 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:32:18,070 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:32:18,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:32:18,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:32:18,091 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:32:18,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:32:18,091 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:32:18,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:32:18,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:32:18,191 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 47 conjunts are in the unsatisfiable core [2022-11-16 08:32:18,193 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:32:18,210 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:32:18,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:18,230 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:32:18,235 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:32:18,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:18,390 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:32:18,398 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:32:18,406 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:18,408 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:32:18,417 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:32:18,434 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:32:18,513 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:18,518 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:32:18,519 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:32:18,536 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:32:18,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:32:18,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:32:18,556 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:32:18,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:32:18,556 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:32:18,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:32:18,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:32:18,657 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 50 conjunts are in the unsatisfiable core [2022-11-16 08:32:18,659 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:32:18,678 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:32:18,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:18,701 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:32:18,706 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:32:19,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:19,018 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:19,019 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:32:19,105 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:19,110 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:32:19,110 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:32:19,131 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:32:19,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:32:19,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:32:19,155 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:32:19,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:32:19,155 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:32:19,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:32:19,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:32:19,293 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 53 conjunts are in the unsatisfiable core [2022-11-16 08:32:19,295 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:32:19,305 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:32:19,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:19,329 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:32:19,333 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:32:19,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:19,481 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:19,481 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:32:19,568 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:19,573 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:32:19,574 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:32:19,595 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:32:19,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:32:19,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:32:19,620 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:32:19,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:32:19,620 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:32:19,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:32:19,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:32:19,765 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 55 conjunts are in the unsatisfiable core [2022-11-16 08:32:19,767 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:32:19,786 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:32:19,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:19,808 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:32:19,812 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:32:19,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:19,984 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:19,984 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:32:20,068 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2022-11-16 08:32:20,106 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:32:20,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:32:20,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:32:20,132 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:32:20,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:32:20,132 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:32:20,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:32:20,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:32:20,274 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 49 conjunts are in the unsatisfiable core [2022-11-16 08:32:20,276 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:32:20,292 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:32:20,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:20,315 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:32:20,320 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:32:20,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:20,478 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:32:20,486 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:32:20,495 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:20,497 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:32:20,507 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:32:20,522 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:32:20,601 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:20,606 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:32:20,606 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:32:20,627 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:32:20,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:32:20,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:32:20,650 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:32:20,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:32:20,650 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:32:20,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:32:20,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:32:20,776 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 53 conjunts are in the unsatisfiable core [2022-11-16 08:32:20,778 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:32:20,795 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:32:20,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:20,821 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:32:20,825 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:32:20,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:20,985 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:20,986 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:32:21,071 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2022-11-16 08:32:21,105 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:32:21,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:32:21,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:32:21,128 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:32:21,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:32:21,128 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:32:21,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:32:21,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:32:21,401 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 55 conjunts are in the unsatisfiable core [2022-11-16 08:32:21,404 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:32:21,418 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:32:21,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:21,438 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:32:21,442 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:32:21,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:21,577 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:21,578 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:32:21,661 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2022-11-16 08:32:21,697 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:32:21,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:32:21,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:32:21,721 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:32:21,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:32:21,721 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:32:21,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:32:21,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:32:21,822 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 51 conjunts are in the unsatisfiable core [2022-11-16 08:32:21,824 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:32:21,840 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:32:21,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:21,856 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:32:21,860 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:32:21,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:21,994 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:21,995 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:32:22,073 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:22,078 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:32:22,078 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:32:22,095 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:32:22,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:32:22,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:32:22,118 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:32:22,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:32:22,118 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:32:22,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:32:22,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:32:22,218 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 52 conjunts are in the unsatisfiable core [2022-11-16 08:32:22,220 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:32:22,235 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:32:22,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:22,259 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:32:22,262 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:32:22,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:22,397 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:22,398 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:32:22,482 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:22,486 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:32:22,487 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:32:22,503 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:32:22,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:32:22,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:32:22,527 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:32:22,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:32:22,527 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:32:22,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:32:22,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:32:22,627 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 54 conjunts are in the unsatisfiable core [2022-11-16 08:32:22,629 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:32:22,643 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:32:22,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:22,666 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:32:22,670 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:32:22,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:22,828 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:22,829 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:32:22,911 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2022-11-16 08:32:22,946 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:32:22,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:32:22,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:32:22,970 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:32:22,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:32:22,970 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:32:22,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:32:23,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:32:23,071 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 52 conjunts are in the unsatisfiable core [2022-11-16 08:32:23,074 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:32:23,091 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:32:23,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:23,107 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 19 [2022-11-16 08:32:23,111 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 12 [2022-11-16 08:32:23,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:23,295 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:23,295 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:32:23,381 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:23,386 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:32:23,386 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:32:23,404 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:32:23,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:32:23,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:32:23,427 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:32:23,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:32:23,427 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:32:23,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:32:23,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:32:23,527 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 49 conjunts are in the unsatisfiable core [2022-11-16 08:32:23,529 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:32:23,544 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:32:23,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:23,565 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:32:23,570 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:32:23,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:23,716 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:32:23,723 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:32:23,731 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:23,733 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:32:23,742 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:32:23,758 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:32:23,841 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:23,846 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:32:23,847 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:32:23,863 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:32:23,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:32:23,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:32:23,886 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:32:23,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:32:23,886 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:32:23,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:32:23,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:32:23,986 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 54 conjunts are in the unsatisfiable core [2022-11-16 08:32:23,988 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:32:24,008 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:32:24,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:24,036 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 23 [2022-11-16 08:32:24,041 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 20 [2022-11-16 08:32:24,046 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:32:24,056 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:32:24,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:24,505 INFO L321 Elim1Store]: treesize reduction 28, result has 56.9 percent of original size [2022-11-16 08:32:24,505 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 90 treesize of output 93 [2022-11-16 08:32:24,697 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2022-11-16 08:32:24,732 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:32:24,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:32:24,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:32:24,755 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:32:24,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:32:24,755 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:32:24,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:32:24,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:32:24,856 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 47 conjunts are in the unsatisfiable core [2022-11-16 08:32:24,858 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:32:24,878 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:32:24,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:24,902 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:32:24,907 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:32:25,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:25,072 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:32:25,080 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:32:25,089 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:25,091 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:32:25,100 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:32:25,119 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:32:25,204 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:25,210 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:32:25,210 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:32:25,227 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:32:25,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:32:25,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:32:25,250 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:32:25,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:32:25,251 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:32:25,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:32:25,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:32:25,352 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 55 conjunts are in the unsatisfiable core [2022-11-16 08:32:25,355 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:32:25,372 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:32:25,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:25,404 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:32:25,410 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:32:25,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:25,605 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:25,606 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:32:25,714 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2022-11-16 08:32:25,749 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:32:25,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:32:25,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:32:25,773 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:32:25,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:32:25,773 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:32:25,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:32:25,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:32:25,875 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 50 conjunts are in the unsatisfiable core [2022-11-16 08:32:25,877 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:32:25,892 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:32:25,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:25,925 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 23 [2022-11-16 08:32:25,931 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 20 [2022-11-16 08:32:25,936 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:32:25,945 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:32:26,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:26,394 INFO L321 Elim1Store]: treesize reduction 44, result has 32.3 percent of original size [2022-11-16 08:32:26,395 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 90 treesize of output 77 [2022-11-16 08:32:26,496 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2022-11-16 08:32:26,703 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:32:26,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:32:26,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:32:26,727 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:32:26,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:32:26,727 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:32:26,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:32:26,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:32:26,826 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 47 conjunts are in the unsatisfiable core [2022-11-16 08:32:26,829 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:32:26,838 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:32:26,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:26,861 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:32:26,864 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:32:26,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:26,992 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:32:26,998 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:32:27,005 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:27,007 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:32:27,015 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:32:27,028 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:32:27,092 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:27,097 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:32:27,097 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:32:27,114 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:32:27,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:32:27,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:32:27,138 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:32:27,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:32:27,138 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:32:27,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:32:27,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:32:27,238 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 49 conjunts are in the unsatisfiable core [2022-11-16 08:32:27,240 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:32:27,254 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:32:27,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:27,274 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:32:27,278 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:32:27,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:27,408 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:32:27,414 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:32:27,422 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:27,424 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:32:27,431 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:32:27,445 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:32:27,511 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:27,516 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:32:27,517 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:32:27,533 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:32:27,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:32:27,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:32:27,556 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:32:27,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:32:27,556 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:32:27,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:32:27,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:32:27,658 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 50 conjunts are in the unsatisfiable core [2022-11-16 08:32:27,661 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:32:27,671 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:32:27,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:27,690 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:32:27,694 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:32:27,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:27,839 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:27,841 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:32:27,925 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:27,929 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:32:27,930 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:32:27,947 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:32:27,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:32:27,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:32:27,970 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:32:27,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:32:27,970 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:32:27,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:32:28,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:32:28,071 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 49 conjunts are in the unsatisfiable core [2022-11-16 08:32:28,073 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:32:28,088 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:32:28,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:28,114 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:32:28,118 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:32:28,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:28,256 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:32:28,263 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:32:28,270 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:28,272 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:32:28,280 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:32:28,296 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:32:28,369 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:28,374 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:32:28,374 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:32:28,393 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:32:28,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:32:28,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:32:28,416 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:32:28,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:32:28,416 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:32:28,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:32:28,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:32:28,710 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 49 conjunts are in the unsatisfiable core [2022-11-16 08:32:28,712 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:32:28,724 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:32:28,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:28,747 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:32:28,751 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:32:28,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:28,896 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:32:28,902 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:32:28,909 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:28,911 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:32:28,920 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:32:28,934 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:32:28,994 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2022-11-16 08:32:29,028 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:32:29,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:32:29,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:32:29,052 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:32:29,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:32:29,052 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:32:29,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:32:29,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:32:29,151 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 49 conjunts are in the unsatisfiable core [2022-11-16 08:32:29,153 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:32:29,168 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:32:29,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:29,187 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:32:29,190 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:32:29,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:29,320 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:32:29,326 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:32:29,334 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:29,335 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:32:29,343 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:32:29,356 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:32:29,421 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:29,426 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:32:29,426 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:32:29,443 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:32:29,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:32:29,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:32:29,465 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:32:29,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:32:29,465 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:32:29,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:32:29,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:32:29,564 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 52 conjunts are in the unsatisfiable core [2022-11-16 08:32:29,566 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:32:29,580 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:32:29,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:29,607 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:32:29,610 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:32:29,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:29,741 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:29,742 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:32:29,827 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:29,832 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:32:29,832 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:32:29,848 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:32:29,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:32:29,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:32:29,871 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:32:29,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:32:29,871 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:32:29,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:32:29,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:32:29,972 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 53 conjunts are in the unsatisfiable core [2022-11-16 08:32:29,975 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:32:29,984 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:32:30,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:30,016 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:32:30,020 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:32:30,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:30,159 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:30,160 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:32:30,246 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:30,251 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:32:30,251 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:32:30,268 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:32:30,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:32:30,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:32:30,291 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:32:30,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:32:30,291 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:32:30,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:32:30,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:32:30,391 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 50 conjunts are in the unsatisfiable core [2022-11-16 08:32:30,393 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:32:30,411 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:32:30,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:30,430 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:32:30,435 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:32:30,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:30,588 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:30,590 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:32:30,680 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:30,685 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:32:30,685 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:32:30,702 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:32:30,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:32:30,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:32:30,724 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:32:30,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:32:30,725 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:32:30,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:32:30,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:32:30,825 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 47 conjunts are in the unsatisfiable core [2022-11-16 08:32:30,827 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:32:30,842 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:32:30,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:30,868 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:32:30,872 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:32:31,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:31,027 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:32:31,034 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:32:31,043 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:31,045 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:32:31,054 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:32:31,068 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:32:31,148 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:31,153 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:32:31,153 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:32:31,170 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:32:31,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:32:31,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:32:31,194 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:32:31,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:32:31,194 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:32:31,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:32:31,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:32:31,296 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 53 conjunts are in the unsatisfiable core [2022-11-16 08:32:31,299 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:32:31,315 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:32:31,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:31,338 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 23 [2022-11-16 08:32:31,343 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 20 [2022-11-16 08:32:31,348 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:32:31,357 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:32:31,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:31,753 INFO L321 Elim1Store]: treesize reduction 44, result has 32.3 percent of original size [2022-11-16 08:32:31,753 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 90 treesize of output 77 [2022-11-16 08:32:31,845 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2022-11-16 08:32:31,859 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:32:31,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:32:31,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:32:31,879 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:32:31,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:32:31,880 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:32:31,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:32:31,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:32:31,980 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 49 conjunts are in the unsatisfiable core [2022-11-16 08:32:31,983 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:32:31,998 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:32:32,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:32,022 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:32:32,027 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:32:32,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:32,200 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:32:32,208 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:32:32,217 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:32,219 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:32:32,228 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:32:32,244 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:32:32,328 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:32,333 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:32:32,333 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:32:32,526 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:32:32,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:32:32,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:32:32,554 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:32:32,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:32:32,554 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:32:32,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:32:32,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:32:32,701 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 52 conjunts are in the unsatisfiable core [2022-11-16 08:32:32,704 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:32:32,718 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:32:32,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:32,742 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 19 [2022-11-16 08:32:32,746 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 12 [2022-11-16 08:32:32,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:32,919 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:32,920 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:32:33,008 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:33,013 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:32:33,013 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:32:33,033 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:32:33,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:32:33,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:32:33,061 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:32:33,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:32:33,061 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:32:33,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:32:33,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:32:33,205 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 51 conjunts are in the unsatisfiable core [2022-11-16 08:32:33,208 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:32:33,227 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:32:33,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:33,248 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:32:33,252 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:32:33,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:33,418 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:32:33,426 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:32:33,434 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:33,436 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:32:33,446 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:32:33,462 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:32:33,529 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2022-11-16 08:32:33,567 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:32:33,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:32:33,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:32:33,594 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:32:33,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:32:33,594 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:32:33,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:32:33,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:32:33,733 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 53 conjunts are in the unsatisfiable core [2022-11-16 08:32:33,735 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:32:33,749 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:32:33,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:33,772 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 23 [2022-11-16 08:32:33,776 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 20 [2022-11-16 08:32:33,780 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:32:33,787 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:32:34,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:34,148 INFO L321 Elim1Store]: treesize reduction 44, result has 32.3 percent of original size [2022-11-16 08:32:34,148 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 90 treesize of output 77 [2022-11-16 08:32:34,224 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2022-11-16 08:32:34,237 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:32:34,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:32:34,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:32:34,258 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:32:34,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:32:34,258 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:32:34,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:32:34,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:32:34,359 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 55 conjunts are in the unsatisfiable core [2022-11-16 08:32:34,361 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:32:34,380 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:32:34,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:34,396 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:32:34,400 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:32:34,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:34,564 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:34,564 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:32:34,648 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2022-11-16 08:32:34,683 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:32:34,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:32:34,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:32:34,704 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:32:34,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:32:34,704 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:32:34,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:32:34,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:32:34,995 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 53 conjunts are in the unsatisfiable core [2022-11-16 08:32:34,997 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:32:35,008 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:32:35,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:35,038 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:32:35,041 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:32:35,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:35,169 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:35,170 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:32:35,248 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2022-11-16 08:32:35,283 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:32:35,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:32:35,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:32:35,304 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:32:35,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:32:35,304 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:32:35,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:32:35,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:32:35,404 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 53 conjunts are in the unsatisfiable core [2022-11-16 08:32:35,406 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:32:35,422 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:32:35,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:35,441 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:32:35,444 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:32:35,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:35,570 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:35,571 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:32:35,653 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:35,658 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:32:35,658 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:32:35,676 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:32:35,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:32:35,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:32:35,699 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:32:35,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:32:35,699 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:32:35,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:32:35,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:32:35,800 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 52 conjunts are in the unsatisfiable core [2022-11-16 08:32:35,802 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:32:35,811 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:32:35,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:35,839 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:32:35,843 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:32:35,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:35,976 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:35,977 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:32:36,065 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:36,070 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:32:36,070 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:32:36,087 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:32:36,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:32:36,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:32:36,110 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:32:36,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:32:36,110 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:32:36,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:32:36,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:32:36,211 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 53 conjunts are in the unsatisfiable core [2022-11-16 08:32:36,214 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:32:36,227 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:32:36,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:36,255 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:32:36,259 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:32:36,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:36,397 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:36,398 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:32:36,484 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:36,488 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:32:36,489 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:32:36,506 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:32:36,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:32:36,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:32:36,529 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:32:36,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:32:36,529 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:32:36,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:32:36,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:32:36,631 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 49 conjunts are in the unsatisfiable core [2022-11-16 08:32:36,633 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:32:36,649 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:32:36,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:36,669 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:32:36,674 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:32:36,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:36,825 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:32:36,832 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:32:36,840 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:36,842 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:32:36,851 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:32:36,865 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:32:36,941 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:36,946 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:32:36,946 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:32:36,963 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:32:36,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:32:36,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:32:36,986 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:32:36,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:32:36,987 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:32:36,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:32:37,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:32:37,089 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 47 conjunts are in the unsatisfiable core [2022-11-16 08:32:37,091 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:32:37,109 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:32:37,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:37,141 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 23 [2022-11-16 08:32:37,146 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 20 [2022-11-16 08:32:37,151 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:32:37,159 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:32:37,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:37,624 INFO L321 Elim1Store]: treesize reduction 28, result has 56.9 percent of original size [2022-11-16 08:32:37,625 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 90 treesize of output 93 [2022-11-16 08:32:37,800 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2022-11-16 08:32:37,814 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:32:37,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:32:37,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:32:37,835 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:32:37,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:32:37,835 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:32:37,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:32:37,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:32:37,935 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 51 conjunts are in the unsatisfiable core [2022-11-16 08:32:37,937 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:32:37,956 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:32:37,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:37,990 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:32:37,996 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:32:38,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:38,170 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:32:38,178 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:32:38,187 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:38,189 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:32:38,200 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:32:38,218 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:32:38,303 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2022-11-16 08:32:38,338 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:32:38,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:32:38,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:32:38,361 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:32:38,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:32:38,361 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:32:38,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:32:38,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:32:38,463 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 52 conjunts are in the unsatisfiable core [2022-11-16 08:32:38,465 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:32:38,475 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:32:38,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:38,514 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:32:38,520 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:32:38,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:38,715 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:38,716 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:32:38,820 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2022-11-16 08:32:38,853 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:32:38,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:32:38,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:32:38,875 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:32:38,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:32:38,875 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:32:38,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:32:39,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:32:39,143 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 47 conjunts are in the unsatisfiable core [2022-11-16 08:32:39,145 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:32:39,159 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:32:39,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:39,181 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:32:39,184 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:32:39,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:39,309 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:32:39,315 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:32:39,322 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:39,323 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:32:39,331 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:32:39,345 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:32:39,407 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:39,412 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:32:39,412 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:32:39,429 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:32:39,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:32:39,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:32:39,455 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:32:39,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:32:39,455 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:32:39,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:32:39,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:32:39,557 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 52 conjunts are in the unsatisfiable core [2022-11-16 08:32:39,559 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:32:39,574 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:32:39,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:39,592 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:32:39,596 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:32:39,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:39,728 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:39,729 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:32:39,809 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:39,813 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:32:39,814 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:32:39,830 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:32:39,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:32:39,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:32:39,856 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:32:39,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:32:39,856 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:32:39,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:32:39,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:32:39,958 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 49 conjunts are in the unsatisfiable core [2022-11-16 08:32:39,960 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:32:39,973 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:32:39,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:39,998 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:32:40,002 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:32:40,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:40,138 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:32:40,145 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:32:40,152 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:40,154 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:32:40,162 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:32:40,177 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:32:40,246 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:40,251 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:32:40,251 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:32:40,267 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:32:40,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:32:40,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:32:40,293 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:32:40,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:32:40,293 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:32:40,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:32:40,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:32:40,393 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 50 conjunts are in the unsatisfiable core [2022-11-16 08:32:40,395 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:32:40,409 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:32:40,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:40,432 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:32:40,436 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:32:40,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:40,578 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:40,579 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:32:40,663 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:40,668 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:32:40,669 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:32:40,686 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:32:40,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:32:40,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:32:40,711 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:32:40,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:32:40,711 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:32:40,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:32:40,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:32:40,814 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 55 conjunts are in the unsatisfiable core [2022-11-16 08:32:40,816 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:32:40,837 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:32:40,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:40,865 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:32:40,870 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:32:41,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:41,222 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:41,223 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:32:41,294 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2022-11-16 08:32:41,328 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:32:41,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:32:41,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:32:41,349 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:32:41,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:32:41,349 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:32:41,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:32:41,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:32:41,448 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 47 conjunts are in the unsatisfiable core [2022-11-16 08:32:41,451 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:32:41,463 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:32:41,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:41,482 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:32:41,486 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:32:41,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:41,623 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:32:41,629 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:32:41,636 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:41,638 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:32:41,645 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:32:41,659 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:32:41,724 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:41,729 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:32:41,729 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:32:41,746 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:32:41,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:32:41,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:32:41,771 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:32:41,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:32:41,772 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:32:41,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:32:41,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:32:41,871 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 49 conjunts are in the unsatisfiable core [2022-11-16 08:32:41,873 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:32:41,888 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:32:41,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:41,908 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:32:41,912 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:32:42,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:42,043 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:32:42,049 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:32:42,056 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:42,058 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:32:42,066 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:32:42,081 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:32:42,148 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:42,153 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:32:42,153 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:32:42,170 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:32:42,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:32:42,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:32:42,195 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:32:42,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:32:42,195 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:32:42,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:32:42,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:32:42,295 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 50 conjunts are in the unsatisfiable core [2022-11-16 08:32:42,298 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:32:42,313 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:32:42,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:42,333 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:32:42,337 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:32:42,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:42,477 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:42,479 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:32:42,563 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:42,568 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:32:42,569 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:32:42,586 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:32:42,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:32:42,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:32:42,606 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:32:42,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:32:42,606 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:32:42,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:32:42,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:32:42,706 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 50 conjunts are in the unsatisfiable core [2022-11-16 08:32:42,709 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:32:42,717 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:32:42,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:42,746 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:32:42,750 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:32:42,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:42,892 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:42,894 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:32:42,981 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:42,986 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:32:42,986 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:32:43,003 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:32:43,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:32:43,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:32:43,023 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:32:43,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:32:43,023 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:32:43,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:32:43,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:32:43,124 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 52 conjunts are in the unsatisfiable core [2022-11-16 08:32:43,126 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:32:43,157 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:32:43,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:43,183 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 23 [2022-11-16 08:32:43,187 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 20 [2022-11-16 08:32:43,192 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:32:43,200 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:32:43,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:43,575 INFO L321 Elim1Store]: treesize reduction 28, result has 56.9 percent of original size [2022-11-16 08:32:43,575 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 90 treesize of output 93 [2022-11-16 08:32:43,737 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2022-11-16 08:32:43,750 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:32:43,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:32:43,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:32:43,772 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:32:43,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:32:43,773 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:32:43,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:32:43,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:32:43,872 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 52 conjunts are in the unsatisfiable core [2022-11-16 08:32:43,875 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:32:43,890 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:32:43,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:43,910 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:32:43,915 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:32:44,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:44,082 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:44,084 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:32:44,181 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:44,186 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:32:44,187 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:32:44,205 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:32:44,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:32:44,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:32:44,227 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:32:44,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:32:44,228 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:32:44,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:32:44,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:32:44,329 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 47 conjunts are in the unsatisfiable core [2022-11-16 08:32:44,331 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:32:44,346 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:32:44,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:44,372 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:32:44,377 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:32:44,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:44,540 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:32:44,547 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:32:44,557 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:44,558 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:32:44,568 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:32:44,586 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:32:44,670 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:44,675 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:32:44,676 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:32:44,693 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:32:44,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:32:44,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:32:44,715 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:32:44,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:32:44,716 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:32:44,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:32:44,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:32:44,816 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 52 conjunts are in the unsatisfiable core [2022-11-16 08:32:44,819 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:32:44,839 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:32:44,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:44,866 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:32:44,871 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:32:45,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:45,037 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:45,038 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:32:45,143 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:45,148 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:32:45,148 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:32:45,166 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:32:45,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:32:45,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:32:45,190 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:32:45,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:32:45,190 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:32:45,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:32:45,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:32:45,292 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 52 conjunts are in the unsatisfiable core [2022-11-16 08:32:45,295 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:32:45,311 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:32:45,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:45,339 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:32:45,345 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:32:45,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:45,520 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:45,522 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:32:45,628 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:45,634 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:32:45,634 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:32:45,653 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:32:45,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:32:45,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:32:45,675 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:32:45,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:32:45,675 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:32:45,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:32:45,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:32:45,778 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 51 conjunts are in the unsatisfiable core [2022-11-16 08:32:45,780 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:32:45,797 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:32:45,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:45,828 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:32:45,834 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:32:46,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:46,038 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:46,039 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:32:46,151 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:46,156 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:32:46,157 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:32:46,175 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:32:46,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:32:46,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:32:46,198 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:32:46,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:32:46,198 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:32:46,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:32:46,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:32:46,299 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 50 conjunts are in the unsatisfiable core [2022-11-16 08:32:46,302 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:32:46,324 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:32:46,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:46,348 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:32:46,354 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:32:46,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:46,542 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:46,543 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 54 [2022-11-16 08:32:46,659 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:46,664 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:32:46,665 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:32:46,684 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:32:46,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:32:46,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:32:46,707 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:32:46,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:32:46,707 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:32:46,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:32:46,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:32:46,809 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 47 conjunts are in the unsatisfiable core [2022-11-16 08:32:46,812 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:32:46,832 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:32:46,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:46,853 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:32:46,860 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:32:47,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:47,061 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:32:47,070 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:32:47,080 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:47,082 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:32:47,093 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:32:47,114 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:32:47,423 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:47,428 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:32:47,428 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:32:47,444 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:32:47,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:32:47,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:32:47,467 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:32:47,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:32:47,467 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:32:47,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:32:47,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:32:47,568 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 49 conjunts are in the unsatisfiable core [2022-11-16 08:32:47,570 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:32:47,585 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-16 08:32:47,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:47,601 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-11-16 08:32:47,605 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-16 08:32:47,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:32:47,732 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-16 08:32:47,738 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2022-11-16 08:32:47,745 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:47,747 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-16 08:32:47,754 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-16 08:32:47,768 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-16 08:32:47,831 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 08:32:47,836 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-16 08:32:47,836 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-16 08:32:47,853 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:32:47,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:32:47,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 41 states and 102 transitions. [2022-11-16 08:32:47,875 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 102 transitions. [2022-11-16 08:32:47,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 08:32:47,876 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:32:47,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms