./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-patterns/array24_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_b1d26def-71f2-4063-bd9e-2ce74b2928e7/bin/ukojak-CydTVMUXoH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1d26def-71f2-4063-bd9e-2ce74b2928e7/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_b1d26def-71f2-4063-bd9e-2ce74b2928e7/bin/ukojak-CydTVMUXoH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1d26def-71f2-4063-bd9e-2ce74b2928e7/bin/ukojak-CydTVMUXoH/config/KojakReach.xml -i ../../sv-benchmarks/c/array-patterns/array24_pattern.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1d26def-71f2-4063-bd9e-2ce74b2928e7/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_b1d26def-71f2-4063-bd9e-2ce74b2928e7/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 b41c571dabcbc4670dde65107f8da5b879f13435b678b4e9a9cdcc7ef0066cf6 --- 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 07:40:59,134 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 07:40:59,137 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 07:40:59,174 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 07:40:59,176 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 07:40:59,181 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 07:40:59,183 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 07:40:59,186 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 07:40:59,190 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 07:40:59,197 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 07:40:59,198 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 07:40:59,200 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 07:40:59,201 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 07:40:59,204 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 07:40:59,205 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 07:40:59,207 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 07:40:59,209 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 07:40:59,210 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 07:40:59,212 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 07:40:59,218 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 07:40:59,220 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 07:40:59,221 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 07:40:59,225 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 07:40:59,225 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 07:40:59,231 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 07:40:59,231 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 07:40:59,231 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 07:40:59,233 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 07:40:59,234 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 07:40:59,235 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 07:40:59,235 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 07:40:59,236 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 07:40:59,238 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 07:40:59,239 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 07:40:59,241 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 07:40:59,242 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 07:40:59,242 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 07:40:59,243 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 07:40:59,243 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 07:40:59,244 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 07:40:59,244 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 07:40:59,245 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1d26def-71f2-4063-bd9e-2ce74b2928e7/bin/ukojak-CydTVMUXoH/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-11-16 07:40:59,286 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 07:40:59,286 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 07:40:59,287 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 07:40:59,288 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-16 07:40:59,288 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 07:40:59,288 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 07:40:59,289 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 07:40:59,289 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 07:40:59,289 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 07:40:59,289 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 07:40:59,290 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 07:40:59,291 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 07:40:59,291 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 07:40:59,291 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 07:40:59,291 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 07:40:59,291 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 07:40:59,292 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 07:40:59,292 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 07:40:59,292 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-16 07:40:59,292 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-16 07:40:59,293 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 07:40:59,293 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-16 07:40:59,293 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 07:40:59,293 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 07:40:59,293 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 07:40:59,294 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-16 07:40:59,295 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 07:40:59,295 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 07:40:59,296 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_b1d26def-71f2-4063-bd9e-2ce74b2928e7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1d26def-71f2-4063-bd9e-2ce74b2928e7/bin/ukojak-CydTVMUXoH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b41c571dabcbc4670dde65107f8da5b879f13435b678b4e9a9cdcc7ef0066cf6 [2022-11-16 07:40:59,634 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 07:40:59,671 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 07:40:59,674 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 07:40:59,676 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 07:40:59,677 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 07:40:59,679 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1d26def-71f2-4063-bd9e-2ce74b2928e7/bin/ukojak-CydTVMUXoH/../../sv-benchmarks/c/array-patterns/array24_pattern.c [2022-11-16 07:40:59,763 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1d26def-71f2-4063-bd9e-2ce74b2928e7/bin/ukojak-CydTVMUXoH/data/a99f51f16/f984e2328cf64386b47ec85c662c522d/FLAG007a7b81a [2022-11-16 07:41:00,300 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 07:41:00,300 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1d26def-71f2-4063-bd9e-2ce74b2928e7/sv-benchmarks/c/array-patterns/array24_pattern.c [2022-11-16 07:41:00,311 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1d26def-71f2-4063-bd9e-2ce74b2928e7/bin/ukojak-CydTVMUXoH/data/a99f51f16/f984e2328cf64386b47ec85c662c522d/FLAG007a7b81a [2022-11-16 07:41:00,647 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1d26def-71f2-4063-bd9e-2ce74b2928e7/bin/ukojak-CydTVMUXoH/data/a99f51f16/f984e2328cf64386b47ec85c662c522d [2022-11-16 07:41:00,650 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 07:41:00,651 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 07:41:00,653 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 07:41:00,653 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 07:41:00,657 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 07:41:00,657 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:41:00" (1/1) ... [2022-11-16 07:41:00,659 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6796de29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:41:00, skipping insertion in model container [2022-11-16 07:41:00,659 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:41:00" (1/1) ... [2022-11-16 07:41:00,666 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 07:41:00,683 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 07:41:00,896 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_b1d26def-71f2-4063-bd9e-2ce74b2928e7/sv-benchmarks/c/array-patterns/array24_pattern.c[1359,1372] [2022-11-16 07:41:00,917 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 07:41:00,925 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 07:41:00,937 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_b1d26def-71f2-4063-bd9e-2ce74b2928e7/sv-benchmarks/c/array-patterns/array24_pattern.c[1359,1372] [2022-11-16 07:41:00,949 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 07:41:00,963 INFO L208 MainTranslator]: Completed translation [2022-11-16 07:41:00,963 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:41:00 WrapperNode [2022-11-16 07:41:00,963 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 07:41:00,964 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 07:41:00,965 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 07:41:00,965 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 07:41:00,972 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:41:00" (1/1) ... [2022-11-16 07:41:00,979 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:41:00" (1/1) ... [2022-11-16 07:41:00,997 INFO L138 Inliner]: procedures = 17, calls = 20, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 105 [2022-11-16 07:41:00,997 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 07:41:00,998 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 07:41:00,998 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 07:41:00,998 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 07:41:01,006 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:41:00" (1/1) ... [2022-11-16 07:41:01,006 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:41:00" (1/1) ... [2022-11-16 07:41:01,009 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:41:00" (1/1) ... [2022-11-16 07:41:01,009 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:41:00" (1/1) ... [2022-11-16 07:41:01,014 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:41:00" (1/1) ... [2022-11-16 07:41:01,018 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:41:00" (1/1) ... [2022-11-16 07:41:01,020 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:41:00" (1/1) ... [2022-11-16 07:41:01,021 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:41:00" (1/1) ... [2022-11-16 07:41:01,023 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 07:41:01,024 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 07:41:01,024 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 07:41:01,024 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 07:41:01,026 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:41:00" (1/1) ... [2022-11-16 07:41:01,041 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-16 07:41:01,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1d26def-71f2-4063-bd9e-2ce74b2928e7/bin/ukojak-CydTVMUXoH/z3 [2022-11-16 07:41:01,068 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1d26def-71f2-4063-bd9e-2ce74b2928e7/bin/ukojak-CydTVMUXoH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-16 07:41:01,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1d26def-71f2-4063-bd9e-2ce74b2928e7/bin/ukojak-CydTVMUXoH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-16 07:41:01,119 INFO L130 BoogieDeclarations]: Found specification of procedure outerBoundaryPatternCheck [2022-11-16 07:41:01,120 INFO L138 BoogieDeclarations]: Found implementation of procedure outerBoundaryPatternCheck [2022-11-16 07:41:01,122 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 07:41:01,122 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-16 07:41:01,122 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-16 07:41:01,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 07:41:01,123 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 07:41:01,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 07:41:01,123 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 07:41:01,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 07:41:01,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 07:41:01,123 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 07:41:01,241 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 07:41:01,243 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 07:41:01,554 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 07:41:01,672 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 07:41:01,672 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-11-16 07:41:01,675 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 07:41:01 BoogieIcfgContainer [2022-11-16 07:41:01,675 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 07:41:01,676 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-16 07:41:01,676 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-16 07:41:01,693 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-16 07:41:01,694 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 07:41:01" (1/1) ... [2022-11-16 07:41:01,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 07:41:01,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 07:41:01,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 27 states and 37 transitions. [2022-11-16 07:41:01,794 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2022-11-16 07:41:01,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-16 07:41:01,799 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 07:41:01,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 07:41:01,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 07:41:01,985 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-16 07:41:01,989 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 07:41:02,024 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 07:41:02,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 07:41:02,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 27 states and 35 transitions. [2022-11-16 07:41:02,070 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 35 transitions. [2022-11-16 07:41:02,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-16 07:41:02,072 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 07:41:02,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 07:41:02,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 07:41:02,159 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-16 07:41:02,162 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 07:41:02,260 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-16 07:41:02,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 07:41:02,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 28 states and 37 transitions. [2022-11-16 07:41:02,379 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 37 transitions. [2022-11-16 07:41:02,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-16 07:41:02,381 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 07:41:02,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 07:41:02,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 07:41:02,473 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-16 07:41:02,475 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 07:41:02,533 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-16 07:41:02,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 07:41:02,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 30 states and 42 transitions. [2022-11-16 07:41:02,759 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 42 transitions. [2022-11-16 07:41:02,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-16 07:41:02,761 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 07:41:02,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 07:41:02,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 07:41:02,849 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-16 07:41:02,857 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 07:41:02,958 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-16 07:41:03,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 07:41:03,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 38 states and 53 transitions. [2022-11-16 07:41:03,220 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 53 transitions. [2022-11-16 07:41:03,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-16 07:41:03,222 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 07:41:03,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 07:41:03,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 07:41:03,272 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-16 07:41:03,273 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 07:41:03,341 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-16 07:41:03,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 07:41:03,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 39 states and 56 transitions. [2022-11-16 07:41:03,369 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 56 transitions. [2022-11-16 07:41:03,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-16 07:41:03,370 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 07:41:03,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 07:41:03,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 07:41:03,428 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-16 07:41:03,430 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 07:41:03,503 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-16 07:41:03,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 07:41:03,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 41 states and 60 transitions. [2022-11-16 07:41:03,771 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 60 transitions. [2022-11-16 07:41:03,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-16 07:41:03,776 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 07:41:03,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 07:41:03,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 07:41:03,842 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-16 07:41:03,851 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 07:41:04,000 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-16 07:41:04,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 07:41:04,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 45 states and 66 transitions. [2022-11-16 07:41:04,812 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 66 transitions. [2022-11-16 07:41:04,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-11-16 07:41:04,813 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 07:41:04,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 07:41:04,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 07:41:04,900 INFO L263 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-16 07:41:04,905 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 07:41:05,023 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-16 07:41:05,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 07:41:05,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 58 states and 86 transitions. [2022-11-16 07:41:05,738 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 86 transitions. [2022-11-16 07:41:05,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-16 07:41:05,739 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 07:41:05,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 07:41:05,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 07:41:05,808 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-16 07:41:05,810 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 07:41:05,867 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 7 proven. 8 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-16 07:41:05,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 07:41:05,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 40 states and 58 transitions. [2022-11-16 07:41:05,911 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 58 transitions. [2022-11-16 07:41:05,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-16 07:41:05,912 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 07:41:05,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 07:41:05,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 07:41:05,983 INFO L263 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-16 07:41:05,988 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 07:41:06,058 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 7 proven. 9 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-16 07:41:06,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 07:41:06,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 44 states and 64 transitions. [2022-11-16 07:41:06,475 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 64 transitions. [2022-11-16 07:41:06,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-11-16 07:41:06,476 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 07:41:06,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 07:41:06,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 07:41:06,651 INFO L263 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 73 conjunts are in the unsatisfiable core [2022-11-16 07:41:06,656 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 07:41:06,878 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 58 [2022-11-16 07:41:06,885 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2022-11-16 07:41:06,898 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 20 treesize of output 19 [2022-11-16 07:41:07,049 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 65 [2022-11-16 07:41:07,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:41:07,062 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 07:41:07,082 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 139 [2022-11-16 07:41:07,138 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 07:41:07,141 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 149 [2022-11-16 07:41:07,177 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 07:41:07,178 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 07:41:07,180 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 3 [2022-11-16 07:41:07,533 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 91 [2022-11-16 07:41:07,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:41:07,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:41:07,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:41:07,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:41:07,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:41:07,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:41:07,560 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 198 [2022-11-16 07:41:07,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:41:07,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:41:07,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:41:07,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:41:07,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:41:07,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:41:07,604 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 178 treesize of output 43 [2022-11-16 07:41:07,779 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 69 [2022-11-16 07:41:07,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:41:07,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:41:07,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:41:07,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:41:07,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:41:07,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:41:07,803 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 145 [2022-11-16 07:41:07,823 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-16 07:41:07,851 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 07:41:07,852 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2022-11-16 07:41:09,679 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 176 treesize of output 159 [2022-11-16 07:41:09,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:41:09,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:41:09,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:41:09,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:41:09,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:41:09,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:41:10,198 INFO L321 Elim1Store]: treesize reduction 560, result has 22.2 percent of original size [2022-11-16 07:41:10,199 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 19 case distinctions, treesize of input 138 treesize of output 311 [2022-11-16 07:41:10,251 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-16 07:41:10,351 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 07:41:10,354 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 239 [2022-11-16 07:41:12,610 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 101 [2022-11-16 07:41:12,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:41:12,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:41:12,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:41:12,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:41:12,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:41:12,624 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 37 [2022-11-16 07:41:12,801 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 4 proven. 36 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-16 07:41:24,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 07:41:24,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 76 states and 172 transitions. [2022-11-16 07:41:24,374 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 172 transitions. [2022-11-16 07:41:24,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-11-16 07:41:24,376 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 07:41:24,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 07:41:24,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 07:41:24,526 INFO L263 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 70 conjunts are in the unsatisfiable core [2022-11-16 07:41:24,531 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 07:41:24,756 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 58 [2022-11-16 07:41:24,765 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2022-11-16 07:41:24,777 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 19 [2022-11-16 07:41:24,963 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 65 [2022-11-16 07:41:24,975 INFO L321 Elim1Store]: treesize reduction 39, result has 2.5 percent of original size [2022-11-16 07:41:24,976 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 64 treesize of output 124 [2022-11-16 07:41:24,988 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 07:41:24,990 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2022-11-16 07:41:25,591 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 70 [2022-11-16 07:41:25,646 INFO L321 Elim1Store]: treesize reduction 168, result has 7.2 percent of original size [2022-11-16 07:41:25,648 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 69 treesize of output 144 [2022-11-16 07:41:25,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:41:25,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:41:25,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:41:25,695 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 12 [2022-11-16 07:41:25,900 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 69 [2022-11-16 07:41:25,915 INFO L321 Elim1Store]: treesize reduction 82, result has 1.2 percent of original size [2022-11-16 07:41:25,915 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 68 treesize of output 133 [2022-11-16 07:41:25,945 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 07:41:25,949 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2022-11-16 07:41:29,275 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 176 treesize of output 159 [2022-11-16 07:41:29,608 INFO L321 Elim1Store]: treesize reduction 610, result has 19.3 percent of original size [2022-11-16 07:41:29,608 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 25 case distinctions, treesize of input 159 treesize of output 318 [2022-11-16 07:41:29,874 INFO L321 Elim1Store]: treesize reduction 282, result has 24.0 percent of original size [2022-11-16 07:41:29,875 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 217 treesize of output 180 [2022-11-16 07:41:32,026 INFO L321 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2022-11-16 07:41:32,027 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 110 treesize of output 37 [2022-11-16 07:41:32,056 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 4 proven. 36 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-16 07:41:41,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 07:41:41,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 83 states and 213 transitions. [2022-11-16 07:41:41,395 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 213 transitions. [2022-11-16 07:41:41,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-11-16 07:41:41,396 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 07:41:41,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 07:41:41,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 07:41:41,719 INFO L263 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 68 conjunts are in the unsatisfiable core [2022-11-16 07:41:41,724 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 07:41:41,756 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 58 [2022-11-16 07:41:41,761 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 19 [2022-11-16 07:41:41,771 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 22 treesize of output 21 [2022-11-16 07:41:41,941 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 65 [2022-11-16 07:41:41,954 INFO L321 Elim1Store]: treesize reduction 39, result has 2.5 percent of original size [2022-11-16 07:41:41,954 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 64 treesize of output 124 [2022-11-16 07:41:41,964 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-16 07:41:41,986 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 07:41:41,988 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2022-11-16 07:41:42,642 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 89 [2022-11-16 07:41:42,689 INFO L321 Elim1Store]: treesize reduction 209, result has 13.3 percent of original size [2022-11-16 07:41:42,690 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 88 treesize of output 163 [2022-11-16 07:41:42,705 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 07:41:42,706 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 103 [2022-11-16 07:41:42,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:41:42,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:41:42,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:41:42,760 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 106 treesize of output 24 [2022-11-16 07:41:42,989 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 69 [2022-11-16 07:41:43,004 INFO L321 Elim1Store]: treesize reduction 82, result has 1.2 percent of original size [2022-11-16 07:41:43,005 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 68 treesize of output 133 [2022-11-16 07:41:43,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:41:43,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:41:43,037 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 07:41:43,038 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 25 [2022-11-16 07:42:29,384 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 156 treesize of output 139 [2022-11-16 07:42:29,842 INFO L321 Elim1Store]: treesize reduction 598, result has 20.9 percent of original size [2022-11-16 07:42:29,843 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 25 case distinctions, treesize of input 138 treesize of output 309 [2022-11-16 07:42:29,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:42:30,033 INFO L321 Elim1Store]: treesize reduction 316, result has 25.3 percent of original size [2022-11-16 07:42:30,033 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 225 treesize of output 230 [2022-11-16 07:42:32,291 INFO L321 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2022-11-16 07:42:32,292 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 110 treesize of output 37 [2022-11-16 07:42:32,516 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 4 proven. 36 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-16 07:43:38,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 07:43:38,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 101 states and 313 transitions. [2022-11-16 07:43:38,027 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 313 transitions. [2022-11-16 07:43:38,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-11-16 07:43:38,029 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 07:43:38,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 07:43:38,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 07:43:38,360 INFO L263 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 70 conjunts are in the unsatisfiable core [2022-11-16 07:43:38,363 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 07:43:38,719 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 58 [2022-11-16 07:43:38,746 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 22 treesize of output 21 [2022-11-16 07:43:38,758 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 20 treesize of output 19 [2022-11-16 07:43:39,070 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 77 [2022-11-16 07:43:39,084 INFO L321 Elim1Store]: treesize reduction 55, result has 1.8 percent of original size [2022-11-16 07:43:39,084 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 76 treesize of output 148 [2022-11-16 07:43:39,111 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 07:43:39,112 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 07:43:39,115 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 104 treesize of output 26 [2022-11-16 07:43:39,135 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 07:43:39,136 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2022-11-16 07:43:39,675 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 62 [2022-11-16 07:43:39,726 INFO L321 Elim1Store]: treesize reduction 132, result has 9.0 percent of original size [2022-11-16 07:43:39,726 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 61 treesize of output 120 [2022-11-16 07:43:39,761 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 07:43:39,763 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2022-11-16 07:43:39,951 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 69 [2022-11-16 07:43:39,967 INFO L321 Elim1Store]: treesize reduction 82, result has 1.2 percent of original size [2022-11-16 07:43:39,968 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 68 treesize of output 133 [2022-11-16 07:43:39,991 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 07:43:39,996 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2022-11-16 07:44:08,591 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 156 treesize of output 139 [2022-11-16 07:44:09,215 INFO L321 Elim1Store]: treesize reduction 598, result has 20.9 percent of original size [2022-11-16 07:44:09,215 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 25 case distinctions, treesize of input 138 treesize of output 309 [2022-11-16 07:44:09,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:44:09,392 INFO L321 Elim1Store]: treesize reduction 316, result has 25.3 percent of original size [2022-11-16 07:44:09,392 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 229 treesize of output 204 [2022-11-16 07:44:10,467 INFO L321 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2022-11-16 07:44:10,467 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 110 treesize of output 37 [2022-11-16 07:44:10,502 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 4 proven. 36 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-16 07:44:13,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 07:44:13,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 106 states and 346 transitions. [2022-11-16 07:44:13,728 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 346 transitions. [2022-11-16 07:44:13,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-11-16 07:44:13,730 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 07:44:13,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 07:44:14,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 07:44:14,315 INFO L263 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 76 conjunts are in the unsatisfiable core [2022-11-16 07:44:14,319 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 07:44:14,349 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 58 [2022-11-16 07:44:14,353 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2022-11-16 07:44:14,368 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 20 treesize of output 19 [2022-11-16 07:44:14,604 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 67 [2022-11-16 07:44:14,615 INFO L321 Elim1Store]: treesize reduction 47, result has 2.1 percent of original size [2022-11-16 07:44:14,615 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 66 treesize of output 126 [2022-11-16 07:44:14,639 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 07:44:14,641 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2022-11-16 07:44:14,691 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 07:44:14,694 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 07:44:14,695 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 3 [2022-11-16 07:44:15,365 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 70 [2022-11-16 07:44:15,421 INFO L321 Elim1Store]: treesize reduction 168, result has 7.2 percent of original size [2022-11-16 07:44:15,422 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 69 treesize of output 144 [2022-11-16 07:44:15,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:44:15,448 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 3 [2022-11-16 07:44:15,492 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 69 [2022-11-16 07:44:15,505 INFO L321 Elim1Store]: treesize reduction 82, result has 1.2 percent of original size [2022-11-16 07:44:15,506 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 68 treesize of output 133 [2022-11-16 07:44:15,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:44:15,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:44:15,555 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 28 [2022-11-16 07:45:06,821 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 156 treesize of output 139 [2022-11-16 07:45:07,516 INFO L321 Elim1Store]: treesize reduction 686, result has 9.3 percent of original size [2022-11-16 07:45:07,516 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 25 case distinctions, treesize of input 138 treesize of output 221 [2022-11-16 07:45:07,603 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 07:45:07,607 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 222 [2022-11-16 07:45:07,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:45:07,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:45:07,828 INFO L321 Elim1Store]: treesize reduction 307, result has 7.0 percent of original size [2022-11-16 07:45:07,828 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 150 treesize of output 65 [2022-11-16 07:45:08,551 INFO L321 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2022-11-16 07:45:08,551 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 110 treesize of output 37 [2022-11-16 07:45:08,577 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 5 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-16 07:45:21,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 07:45:21,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 117 states and 435 transitions. [2022-11-16 07:45:21,807 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 435 transitions. [2022-11-16 07:45:21,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-11-16 07:45:21,809 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 07:45:21,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 07:45:22,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 07:45:22,113 INFO L263 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 79 conjunts are in the unsatisfiable core [2022-11-16 07:45:22,117 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 07:45:22,138 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 58 [2022-11-16 07:45:22,149 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 19 [2022-11-16 07:45:22,157 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 22 treesize of output 21 [2022-11-16 07:45:22,428 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 67 [2022-11-16 07:45:22,443 INFO L321 Elim1Store]: treesize reduction 47, result has 2.1 percent of original size [2022-11-16 07:45:22,443 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 66 treesize of output 126 [2022-11-16 07:45:22,459 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 07:45:22,460 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 07:45:22,463 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 85 treesize of output 22 [2022-11-16 07:45:22,503 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 07:45:22,504 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2022-11-16 07:45:22,928 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 62 [2022-11-16 07:45:22,984 INFO L321 Elim1Store]: treesize reduction 132, result has 9.0 percent of original size [2022-11-16 07:45:22,984 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 61 treesize of output 120 [2022-11-16 07:45:22,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:45:22,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:45:23,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:45:23,005 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 12 [2022-11-16 07:45:23,220 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 69 [2022-11-16 07:45:23,234 INFO L321 Elim1Store]: treesize reduction 82, result has 1.2 percent of original size [2022-11-16 07:45:23,235 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 68 treesize of output 133 [2022-11-16 07:45:23,255 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 07:45:23,255 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2022-11-16 07:45:57,866 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 156 treesize of output 139 [2022-11-16 07:45:58,562 INFO L321 Elim1Store]: treesize reduction 686, result has 9.3 percent of original size [2022-11-16 07:45:58,562 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 25 case distinctions, treesize of input 138 treesize of output 221 [2022-11-16 07:45:58,716 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 07:45:58,718 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 278 [2022-11-16 07:46:00,733 INFO L321 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2022-11-16 07:46:00,734 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 110 treesize of output 37 [2022-11-16 07:46:00,763 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 4 proven. 36 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-16 07:46:07,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 07:46:07,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 125 states and 470 transitions. [2022-11-16 07:46:07,958 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 470 transitions. [2022-11-16 07:46:07,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-11-16 07:46:07,960 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 07:46:07,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 07:46:08,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 07:46:08,511 INFO L263 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 70 conjunts are in the unsatisfiable core [2022-11-16 07:46:08,515 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 07:46:08,537 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 50 [2022-11-16 07:46:08,542 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 16 treesize of output 15 [2022-11-16 07:46:08,551 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2022-11-16 07:46:08,880 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 67 [2022-11-16 07:46:08,891 INFO L321 Elim1Store]: treesize reduction 47, result has 2.1 percent of original size [2022-11-16 07:46:08,892 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 66 treesize of output 126 [2022-11-16 07:46:08,924 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 07:46:08,926 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 07:46:08,928 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 85 treesize of output 22 [2022-11-16 07:46:08,939 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 07:46:08,940 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2022-11-16 07:46:09,486 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 62 [2022-11-16 07:46:09,540 INFO L321 Elim1Store]: treesize reduction 132, result has 9.0 percent of original size [2022-11-16 07:46:09,541 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 61 treesize of output 120 [2022-11-16 07:46:09,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:46:09,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:46:09,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:46:09,559 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 14 [2022-11-16 07:46:09,777 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 69 [2022-11-16 07:46:09,792 INFO L321 Elim1Store]: treesize reduction 82, result has 1.2 percent of original size [2022-11-16 07:46:09,792 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 68 treesize of output 133 [2022-11-16 07:46:09,804 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 07:46:09,805 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2022-11-16 07:46:48,597 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 156 treesize of output 139 [2022-11-16 07:46:49,234 INFO L321 Elim1Store]: treesize reduction 650, result has 14.0 percent of original size [2022-11-16 07:46:49,235 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 25 case distinctions, treesize of input 138 treesize of output 257 [2022-11-16 07:46:49,507 INFO L321 Elim1Store]: treesize reduction 174, result has 20.2 percent of original size [2022-11-16 07:46:49,507 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 153 treesize of output 84 [2022-11-16 07:46:50,264 INFO L321 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2022-11-16 07:46:50,265 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 110 treesize of output 37 [2022-11-16 07:46:50,289 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 4 proven. 36 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-16 07:46:50,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 07:46:50,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 128 states and 490 transitions. [2022-11-16 07:46:50,434 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 490 transitions. [2022-11-16 07:46:50,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-11-16 07:46:50,435 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 07:46:50,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 07:46:50,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 07:46:50,642 INFO L263 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 71 conjunts are in the unsatisfiable core [2022-11-16 07:46:50,648 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 07:46:50,687 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 58 [2022-11-16 07:46:50,693 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 19 [2022-11-16 07:46:50,702 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2022-11-16 07:46:50,900 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 65 [2022-11-16 07:46:50,910 INFO L321 Elim1Store]: treesize reduction 39, result has 2.5 percent of original size [2022-11-16 07:46:50,910 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 64 treesize of output 124 [2022-11-16 07:46:50,933 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 07:46:50,934 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 07:46:50,935 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 3 [2022-11-16 07:47:04,281 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 62 [2022-11-16 07:47:04,324 INFO L321 Elim1Store]: treesize reduction 132, result has 9.0 percent of original size [2022-11-16 07:47:04,324 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 61 treesize of output 120 [2022-11-16 07:47:04,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:47:04,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:47:04,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:47:04,358 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 14 [2022-11-16 07:47:04,548 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 69 [2022-11-16 07:47:04,562 INFO L321 Elim1Store]: treesize reduction 82, result has 1.2 percent of original size [2022-11-16 07:47:04,563 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 68 treesize of output 133 [2022-11-16 07:47:04,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:47:04,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:47:04,600 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 28 [2022-11-16 07:47:21,785 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 156 treesize of output 139 [2022-11-16 07:47:22,160 INFO L321 Elim1Store]: treesize reduction 646, result has 14.6 percent of original size [2022-11-16 07:47:22,161 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 25 case distinctions, treesize of input 138 treesize of output 261 [2022-11-16 07:47:22,291 INFO L321 Elim1Store]: treesize reduction 168, result has 22.2 percent of original size [2022-11-16 07:47:22,291 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 196 treesize of output 120 [2022-11-16 07:47:23,054 INFO L321 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2022-11-16 07:47:23,054 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 110 treesize of output 37 [2022-11-16 07:47:23,079 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 4 proven. 36 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-16 07:47:43,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 07:47:43,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 131 states and 510 transitions. [2022-11-16 07:47:43,656 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 510 transitions. [2022-11-16 07:47:43,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-11-16 07:47:43,657 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 07:47:43,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 07:47:43,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 07:47:43,940 INFO L263 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 72 conjunts are in the unsatisfiable core [2022-11-16 07:47:43,944 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 07:47:44,450 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 50 [2022-11-16 07:47:44,455 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 18 treesize of output 17 [2022-11-16 07:47:44,469 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 15 [2022-11-16 07:47:44,988 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 73 [2022-11-16 07:47:44,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:47:44,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:47:44,994 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 07:47:44,995 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 161 [2022-11-16 07:47:45,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:47:45,006 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 07:47:45,006 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 07:47:45,007 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 07:47:45,008 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 112 treesize of output 19 [2022-11-16 07:47:45,037 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 07:47:45,038 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 104 [2022-11-16 07:47:45,783 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 83 [2022-11-16 07:47:45,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:47:45,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:47:45,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:47:45,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:47:45,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:47:45,794 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 174 [2022-11-16 07:47:45,822 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 07:47:45,823 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 137 [2022-11-16 07:47:45,961 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 69 [2022-11-16 07:47:45,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:47:45,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:47:45,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:47:45,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:47:45,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:47:45,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:47:45,979 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 145 [2022-11-16 07:47:46,020 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 07:47:46,032 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 125 [2022-11-16 07:47:46,068 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 3 [2022-11-16 07:47:48,014 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 156 treesize of output 139 [2022-11-16 07:47:48,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:47:48,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:47:48,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:47:48,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:47:48,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:47:48,566 INFO L321 Elim1Store]: treesize reduction 602, result has 16.4 percent of original size [2022-11-16 07:47:48,566 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 19 case distinctions, treesize of input 138 treesize of output 269 [2022-11-16 07:47:48,579 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 07:47:48,581 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 360 [2022-11-16 07:47:48,788 INFO L321 Elim1Store]: treesize reduction 208, result has 23.0 percent of original size [2022-11-16 07:47:48,789 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 165 treesize of output 108 [2022-11-16 07:47:51,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:47:51,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:47:51,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:47:51,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:47:51,218 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 07:47:51,218 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 99 treesize of output 37 [2022-11-16 07:47:51,264 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 4 proven. 36 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-16 07:47:55,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 07:47:55,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 134 states and 505 transitions. [2022-11-16 07:47:55,679 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 505 transitions. [2022-11-16 07:47:55,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-11-16 07:47:55,680 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 07:47:55,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 07:47:56,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 07:47:56,171 INFO L263 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 80 conjunts are in the unsatisfiable core [2022-11-16 07:47:56,175 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 07:47:56,197 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 50 [2022-11-16 07:47:56,201 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 18 treesize of output 17 [2022-11-16 07:47:56,215 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 15 [2022-11-16 07:47:56,519 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 67 [2022-11-16 07:47:56,530 INFO L321 Elim1Store]: treesize reduction 47, result has 2.1 percent of original size [2022-11-16 07:47:56,530 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 66 treesize of output 126 [2022-11-16 07:47:56,543 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 07:47:56,544 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2022-11-16 07:47:56,579 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 07:47:56,580 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 07:47:56,581 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 3 [2022-11-16 07:47:57,216 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 70 [2022-11-16 07:47:57,288 INFO L321 Elim1Store]: treesize reduction 168, result has 7.2 percent of original size [2022-11-16 07:47:57,288 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 69 treesize of output 144 [2022-11-16 07:47:57,297 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-16 07:47:57,321 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 07:47:57,322 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2022-11-16 07:47:57,358 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 69 [2022-11-16 07:47:57,374 INFO L321 Elim1Store]: treesize reduction 82, result has 1.2 percent of original size [2022-11-16 07:47:57,375 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 68 treesize of output 133 [2022-11-16 07:47:57,404 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-16 07:47:57,414 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 07:47:57,415 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2022-11-16 07:49:14,263 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 156 treesize of output 139 [2022-11-16 07:49:14,946 INFO L321 Elim1Store]: treesize reduction 699, result has 7.5 percent of original size [2022-11-16 07:49:14,946 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 25 case distinctions, treesize of input 138 treesize of output 208 [2022-11-16 07:49:14,970 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 07:49:14,971 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 197 [2022-11-16 07:49:15,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:49:15,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:49:15,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:49:15,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:49:15,147 INFO L321 Elim1Store]: treesize reduction 327, result has 10.2 percent of original size [2022-11-16 07:49:15,148 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 149 treesize of output 67 [2022-11-16 07:49:16,207 INFO L321 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2022-11-16 07:49:16,207 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 110 treesize of output 37 [2022-11-16 07:49:16,237 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 4 proven. 36 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-16 07:49:17,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 07:49:17,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 137 states and 530 transitions. [2022-11-16 07:49:17,901 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 530 transitions. [2022-11-16 07:49:17,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-11-16 07:49:17,902 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 07:49:17,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 07:49:18,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 07:49:18,260 INFO L263 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 69 conjunts are in the unsatisfiable core [2022-11-16 07:49:18,264 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 07:49:18,286 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 58 [2022-11-16 07:49:18,292 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 22 treesize of output 21 [2022-11-16 07:49:18,305 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 19 [2022-11-16 07:49:18,322 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 67 [2022-11-16 07:49:18,333 INFO L321 Elim1Store]: treesize reduction 47, result has 2.1 percent of original size [2022-11-16 07:49:18,334 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 66 treesize of output 126 [2022-11-16 07:49:18,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:49:18,360 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 07:49:18,362 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 07:49:18,365 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 85 treesize of output 22 [2022-11-16 07:49:18,395 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 07:49:18,396 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2022-11-16 07:49:19,001 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 70 [2022-11-16 07:49:19,050 INFO L321 Elim1Store]: treesize reduction 168, result has 7.2 percent of original size [2022-11-16 07:49:19,051 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 69 treesize of output 144 [2022-11-16 07:49:19,062 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-16 07:49:19,084 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 07:49:19,085 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 135 [2022-11-16 07:49:19,347 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 69 [2022-11-16 07:49:19,363 INFO L321 Elim1Store]: treesize reduction 82, result has 1.2 percent of original size [2022-11-16 07:49:19,363 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 68 treesize of output 133 [2022-11-16 07:49:19,374 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 07:49:19,375 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2022-11-16 07:49:19,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:49:19,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:49:19,423 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 32 [2022-11-16 07:49:47,630 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 156 treesize of output 139 [2022-11-16 07:49:48,431 INFO L321 Elim1Store]: treesize reduction 548, result has 27.5 percent of original size [2022-11-16 07:49:48,432 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 25 case distinctions, treesize of input 138 treesize of output 359 [2022-11-16 07:49:48,449 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 07:49:48,451 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 390 [2022-11-16 07:49:48,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:49:48,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:49:48,874 INFO L321 Elim1Store]: treesize reduction 503, result has 25.8 percent of original size [2022-11-16 07:49:48,874 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 12 case distinctions, treesize of input 225 treesize of output 283 [2022-11-16 07:49:50,268 INFO L321 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2022-11-16 07:49:50,269 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 110 treesize of output 37 [2022-11-16 07:49:50,296 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 4 proven. 36 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-16 07:49:52,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 07:49:52,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 142 states and 560 transitions. [2022-11-16 07:49:52,826 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 560 transitions. [2022-11-16 07:49:52,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-11-16 07:49:52,828 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 07:49:52,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 07:49:53,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 07:49:53,385 INFO L263 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 80 conjunts are in the unsatisfiable core [2022-11-16 07:49:53,389 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 07:49:53,423 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 58 [2022-11-16 07:49:53,430 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2022-11-16 07:49:53,444 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 20 treesize of output 19 [2022-11-16 07:49:53,647 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 65 [2022-11-16 07:49:53,660 INFO L321 Elim1Store]: treesize reduction 39, result has 2.5 percent of original size [2022-11-16 07:49:53,660 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 64 treesize of output 124 [2022-11-16 07:49:53,691 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-16 07:49:53,701 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 07:49:53,702 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2022-11-16 07:49:54,174 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 62 [2022-11-16 07:49:54,215 INFO L321 Elim1Store]: treesize reduction 132, result has 9.0 percent of original size [2022-11-16 07:49:54,216 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 61 treesize of output 120 [2022-11-16 07:49:54,228 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 07:49:54,229 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2022-11-16 07:49:54,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:49:54,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:49:54,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:49:54,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:49:54,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:49:54,270 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 26 [2022-11-16 07:49:54,492 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 69 [2022-11-16 07:49:54,509 INFO L321 Elim1Store]: treesize reduction 82, result has 1.2 percent of original size [2022-11-16 07:49:54,510 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 68 treesize of output 133 [2022-11-16 07:49:54,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:49:54,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:49:54,528 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 07:49:54,534 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 28 [2022-11-16 07:50:49,967 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 156 treesize of output 139 [2022-11-16 07:50:50,584 INFO L321 Elim1Store]: treesize reduction 686, result has 9.3 percent of original size [2022-11-16 07:50:50,584 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 25 case distinctions, treesize of input 138 treesize of output 221 [2022-11-16 07:50:50,647 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 07:50:50,648 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 247 [2022-11-16 07:50:50,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:50:50,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:50:50,793 INFO L321 Elim1Store]: treesize reduction 233, result has 10.7 percent of original size [2022-11-16 07:50:50,794 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 155 treesize of output 55 [2022-11-16 07:50:51,318 INFO L321 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2022-11-16 07:50:51,318 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 110 treesize of output 37 [2022-11-16 07:50:51,349 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 4 proven. 36 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-16 07:50:53,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 07:50:53,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 145 states and 586 transitions. [2022-11-16 07:50:53,341 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 586 transitions. [2022-11-16 07:50:53,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-11-16 07:50:53,344 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 07:50:53,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 07:50:53,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 07:50:53,909 INFO L263 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 70 conjunts are in the unsatisfiable core [2022-11-16 07:50:53,913 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 07:50:53,947 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 50 [2022-11-16 07:50:53,953 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 15 [2022-11-16 07:50:53,962 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2022-11-16 07:50:54,174 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 65 [2022-11-16 07:50:54,185 INFO L321 Elim1Store]: treesize reduction 39, result has 2.5 percent of original size [2022-11-16 07:50:54,186 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 64 treesize of output 124 [2022-11-16 07:50:54,212 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 07:50:54,213 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2022-11-16 07:50:54,240 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 07:50:54,241 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 07:50:54,242 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 3 [2022-11-16 07:50:54,484 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 70 [2022-11-16 07:50:54,532 INFO L321 Elim1Store]: treesize reduction 168, result has 7.2 percent of original size [2022-11-16 07:50:54,533 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 69 treesize of output 144 [2022-11-16 07:50:54,572 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 07:50:54,573 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2022-11-16 07:50:54,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:50:54,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:50:54,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:50:54,608 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 16 [2022-11-16 07:50:54,641 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 69 [2022-11-16 07:50:54,655 INFO L321 Elim1Store]: treesize reduction 82, result has 1.2 percent of original size [2022-11-16 07:50:54,656 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 68 treesize of output 133 [2022-11-16 07:50:54,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:50:54,704 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 16 [2022-11-16 07:51:37,372 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 156 treesize of output 139 [2022-11-16 07:51:37,851 INFO L321 Elim1Store]: treesize reduction 650, result has 14.0 percent of original size [2022-11-16 07:51:37,852 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 25 case distinctions, treesize of input 138 treesize of output 257 [2022-11-16 07:51:37,970 INFO L321 Elim1Store]: treesize reduction 162, result has 20.6 percent of original size [2022-11-16 07:51:37,971 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 192 treesize of output 112 [2022-11-16 07:51:38,765 INFO L321 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2022-11-16 07:51:38,765 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 110 treesize of output 37 [2022-11-16 07:51:38,804 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 4 proven. 36 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-16 07:51:38,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 07:51:38,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 652 states to 148 states and 606 transitions. [2022-11-16 07:51:38,991 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 606 transitions. [2022-11-16 07:51:38,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-11-16 07:51:38,992 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 07:51:38,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 07:51:39,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 07:51:39,350 INFO L263 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 76 conjunts are in the unsatisfiable core [2022-11-16 07:51:39,354 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 07:51:39,376 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 58 [2022-11-16 07:51:39,380 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 20 treesize of output 19 [2022-11-16 07:51:39,392 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2022-11-16 07:51:39,410 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 67 [2022-11-16 07:51:39,420 INFO L321 Elim1Store]: treesize reduction 47, result has 2.1 percent of original size [2022-11-16 07:51:39,420 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 66 treesize of output 126 [2022-11-16 07:51:39,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:51:39,454 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 07:51:39,456 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 07:51:39,459 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 85 treesize of output 22 [2022-11-16 07:51:39,475 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 07:51:39,476 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2022-11-16 07:51:39,928 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 70 [2022-11-16 07:51:39,969 INFO L321 Elim1Store]: treesize reduction 168, result has 7.2 percent of original size [2022-11-16 07:51:39,969 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 69 treesize of output 144 [2022-11-16 07:51:40,003 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-16 07:51:40,008 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 07:51:40,009 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2022-11-16 07:51:40,037 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 69 [2022-11-16 07:51:40,050 INFO L321 Elim1Store]: treesize reduction 82, result has 1.2 percent of original size [2022-11-16 07:51:40,057 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 68 treesize of output 133 [2022-11-16 07:51:40,068 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-16 07:51:40,108 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 07:51:40,109 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2022-11-16 07:51:47,004 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 156 treesize of output 139 [2022-11-16 07:51:47,790 INFO L321 Elim1Store]: treesize reduction 686, result has 9.3 percent of original size [2022-11-16 07:51:47,791 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 25 case distinctions, treesize of input 138 treesize of output 221 [2022-11-16 07:51:47,822 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 07:51:47,823 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 243 [2022-11-16 07:51:49,836 INFO L321 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2022-11-16 07:51:49,837 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 110 treesize of output 37 [2022-11-16 07:51:49,867 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 5 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-16 07:51:52,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 07:51:52,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 682 states to 151 states and 636 transitions. [2022-11-16 07:51:52,096 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 636 transitions. [2022-11-16 07:51:52,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-11-16 07:51:52,098 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 07:51:52,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 07:51:52,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 07:51:52,633 INFO L263 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 84 conjunts are in the unsatisfiable core [2022-11-16 07:51:52,638 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 07:51:52,665 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 58 [2022-11-16 07:51:52,669 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 22 treesize of output 21 [2022-11-16 07:51:52,682 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 19 [2022-11-16 07:51:52,855 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 65 [2022-11-16 07:51:52,865 INFO L321 Elim1Store]: treesize reduction 39, result has 2.5 percent of original size [2022-11-16 07:51:52,865 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 64 treesize of output 124 [2022-11-16 07:51:52,886 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 07:51:52,887 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 07:51:52,888 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 3 [2022-11-16 07:51:53,104 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 70 [2022-11-16 07:51:53,158 INFO L321 Elim1Store]: treesize reduction 168, result has 7.2 percent of original size [2022-11-16 07:51:53,158 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 69 treesize of output 144 [2022-11-16 07:51:53,186 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-16 07:51:53,190 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 07:51:53,191 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2022-11-16 07:51:53,223 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 69 [2022-11-16 07:51:53,237 INFO L321 Elim1Store]: treesize reduction 82, result has 1.2 percent of original size [2022-11-16 07:51:53,238 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 68 treesize of output 133 [2022-11-16 07:51:53,263 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 07:51:53,263 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2022-11-16 07:51:53,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:51:53,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:51:53,289 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 32 [2022-11-16 07:52:47,998 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 156 treesize of output 139 [2022-11-16 07:52:48,584 INFO L321 Elim1Store]: treesize reduction 699, result has 7.5 percent of original size [2022-11-16 07:52:48,584 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 25 case distinctions, treesize of input 138 treesize of output 208 [2022-11-16 07:52:48,622 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 07:52:48,623 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 220 [2022-11-16 07:52:50,530 INFO L321 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2022-11-16 07:52:50,530 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 110 treesize of output 37 [2022-11-16 07:52:50,557 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 4 proven. 36 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-16 07:52:53,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 07:52:53,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 750 states to 154 states and 704 transitions. [2022-11-16 07:52:53,003 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 704 transitions. [2022-11-16 07:52:53,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-11-16 07:52:53,005 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 07:52:53,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 07:52:53,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 07:52:53,497 INFO L263 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 69 conjunts are in the unsatisfiable core [2022-11-16 07:52:53,500 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 07:52:53,520 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 50 [2022-11-16 07:52:53,524 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 18 treesize of output 17 [2022-11-16 07:52:53,536 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 15 [2022-11-16 07:52:53,885 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 67 [2022-11-16 07:52:53,898 INFO L321 Elim1Store]: treesize reduction 47, result has 2.1 percent of original size [2022-11-16 07:52:53,898 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 66 treesize of output 126 [2022-11-16 07:52:53,919 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 07:52:53,920 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2022-11-16 07:52:53,953 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 07:52:53,954 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 07:52:53,955 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 3 [2022-11-16 07:52:54,537 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 70 [2022-11-16 07:52:54,589 INFO L321 Elim1Store]: treesize reduction 168, result has 7.2 percent of original size [2022-11-16 07:52:54,590 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 69 treesize of output 144 [2022-11-16 07:52:54,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:52:54,605 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 3 [2022-11-16 07:52:54,643 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 69 [2022-11-16 07:52:54,659 INFO L321 Elim1Store]: treesize reduction 82, result has 1.2 percent of original size [2022-11-16 07:52:54,659 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 68 treesize of output 133 [2022-11-16 07:52:54,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:52:54,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:52:54,698 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 07:52:54,699 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 25 [2022-11-16 07:53:31,174 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 156 treesize of output 139 [2022-11-16 07:53:31,682 INFO L321 Elim1Store]: treesize reduction 686, result has 9.3 percent of original size [2022-11-16 07:53:31,682 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 25 case distinctions, treesize of input 138 treesize of output 221 [2022-11-16 07:53:31,733 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 07:53:31,734 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2022-11-16 07:53:32,888 INFO L321 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2022-11-16 07:53:32,889 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 110 treesize of output 37 [2022-11-16 07:53:32,917 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 4 proven. 36 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-16 07:53:35,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 07:53:35,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 783 states to 157 states and 737 transitions. [2022-11-16 07:53:35,038 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 737 transitions. [2022-11-16 07:53:35,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-11-16 07:53:35,040 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 07:53:35,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 07:53:35,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 07:53:35,360 INFO L263 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 71 conjunts are in the unsatisfiable core [2022-11-16 07:53:35,366 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 07:53:35,400 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 50 [2022-11-16 07:53:35,407 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 16 treesize of output 15 [2022-11-16 07:53:35,418 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 18 treesize of output 17 [2022-11-16 07:53:35,622 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 75 [2022-11-16 07:53:35,634 INFO L321 Elim1Store]: treesize reduction 47, result has 2.1 percent of original size [2022-11-16 07:53:35,635 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 74 treesize of output 146 [2022-11-16 07:53:35,653 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 07:53:35,653 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 07:53:35,654 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 3 [2022-11-16 07:53:56,120 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 62 [2022-11-16 07:53:56,184 INFO L321 Elim1Store]: treesize reduction 132, result has 9.0 percent of original size [2022-11-16 07:53:56,185 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 61 treesize of output 120 [2022-11-16 07:53:56,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:53:56,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:53:56,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:53:56,219 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 12 [2022-11-16 07:53:56,454 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 69 [2022-11-16 07:53:56,473 INFO L321 Elim1Store]: treesize reduction 82, result has 1.2 percent of original size [2022-11-16 07:53:56,473 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 68 treesize of output 133 [2022-11-16 07:53:56,495 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 07:53:56,496 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2022-11-16 07:54:41,087 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 156 treesize of output 139 [2022-11-16 07:54:41,685 INFO L321 Elim1Store]: treesize reduction 552, result has 27.0 percent of original size [2022-11-16 07:54:41,685 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 25 case distinctions, treesize of input 138 treesize of output 355 [2022-11-16 07:54:41,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:54:42,085 INFO L321 Elim1Store]: treesize reduction 469, result has 25.8 percent of original size [2022-11-16 07:54:42,086 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 12 case distinctions, treesize of input 256 treesize of output 310 [2022-11-16 07:54:43,930 INFO L321 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2022-11-16 07:54:43,930 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 110 treesize of output 37 [2022-11-16 07:54:43,960 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 4 proven. 36 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-16 07:54:44,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 07:54:44,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 808 states to 160 states and 762 transitions. [2022-11-16 07:54:44,188 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 762 transitions. [2022-11-16 07:54:44,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-11-16 07:54:44,190 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 07:54:44,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 07:54:44,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 07:54:44,534 INFO L263 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 85 conjunts are in the unsatisfiable core [2022-11-16 07:54:44,538 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 07:54:44,565 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 58 [2022-11-16 07:54:44,572 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 22 treesize of output 21 [2022-11-16 07:54:44,582 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 19 [2022-11-16 07:54:44,951 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 67 [2022-11-16 07:54:44,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:54:44,956 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 07:54:44,960 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 143 [2022-11-16 07:54:44,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:54:44,978 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 07:54:44,979 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 07:54:44,982 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 112 treesize of output 22 [2022-11-16 07:54:45,021 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 07:54:45,021 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2022-11-16 07:54:45,818 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 91 [2022-11-16 07:54:45,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:54:45,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:54:45,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:54:45,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:54:45,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:54:45,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:54:45,831 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 198 [2022-11-16 07:54:45,840 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-16 07:54:45,863 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 07:54:45,864 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 156 [2022-11-16 07:54:46,029 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 69 [2022-11-16 07:54:46,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:54:46,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:54:46,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:54:46,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:54:46,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:54:46,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:54:46,041 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 145 [2022-11-16 07:54:46,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:54:46,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:54:46,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:54:46,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:54:46,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:54:46,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:54:46,063 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 07:54:46,068 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 07:54:46,069 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 96 treesize of output 36 [2022-11-16 07:54:49,565 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 156 treesize of output 139 [2022-11-16 07:54:49,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:54:49,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:54:49,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:54:49,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:54:49,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:54:49,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:54:49,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:54:50,133 INFO L321 Elim1Store]: treesize reduction 495, result has 6.4 percent of original size [2022-11-16 07:54:50,134 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 15 case distinctions, treesize of input 138 treesize of output 208 [2022-11-16 07:54:50,145 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 07:54:50,146 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 171 [2022-11-16 07:54:50,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:54:50,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:54:50,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:54:50,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:54:50,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:54:50,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:54:50,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:54:50,365 INFO L321 Elim1Store]: treesize reduction 467, result has 8.6 percent of original size [2022-11-16 07:54:50,365 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 163 treesize of output 77 [2022-11-16 07:54:51,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:54:51,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:54:51,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:54:51,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:54:51,125 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 07:54:51,126 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 99 treesize of output 37 [2022-11-16 07:54:51,160 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 4 proven. 36 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-16 07:54:54,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 07:54:54,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 794 states to 163 states and 748 transitions. [2022-11-16 07:54:54,232 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 748 transitions. [2022-11-16 07:54:54,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-11-16 07:54:54,233 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 07:54:54,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 07:54:54,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 07:54:54,519 INFO L263 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 70 conjunts are in the unsatisfiable core [2022-11-16 07:54:54,523 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 07:54:54,546 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 50 [2022-11-16 07:54:54,550 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 18 treesize of output 17 [2022-11-16 07:54:54,559 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 16 treesize of output 15 [2022-11-16 07:54:54,870 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 67 [2022-11-16 07:54:54,880 INFO L321 Elim1Store]: treesize reduction 47, result has 2.1 percent of original size [2022-11-16 07:54:54,880 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 66 treesize of output 126 [2022-11-16 07:54:54,888 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 07:54:54,889 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2022-11-16 07:54:54,924 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 07:54:54,925 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 07:54:54,926 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 3 [2022-11-16 07:54:55,583 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 70 [2022-11-16 07:54:55,631 INFO L321 Elim1Store]: treesize reduction 168, result has 7.2 percent of original size [2022-11-16 07:54:55,632 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 69 treesize of output 144 [2022-11-16 07:54:55,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:54:55,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:54:55,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 07:54:55,653 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 14 [2022-11-16 07:54:55,707 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 69 [2022-11-16 07:54:55,719 INFO L321 Elim1Store]: treesize reduction 82, result has 1.2 percent of original size [2022-11-16 07:54:55,719 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 68 treesize of output 133 [2022-11-16 07:54:55,747 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-16 07:54:55,758 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 07:54:55,758 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2022-11-16 07:55:05,953 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 156 treesize of output 139 [2022-11-16 07:55:06,259 INFO L321 Elim1Store]: treesize reduction 650, result has 14.0 percent of original size [2022-11-16 07:55:06,260 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 25 case distinctions, treesize of input 138 treesize of output 257 [2022-11-16 07:55:06,277 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 07:55:06,279 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 192 [2022-11-16 07:55:07,917 INFO L321 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2022-11-16 07:55:07,917 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 110 treesize of output 37 [2022-11-16 07:55:07,942 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 4 proven. 36 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-16 07:55:08,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 07:55:08,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 817 states to 166 states and 771 transitions. [2022-11-16 07:55:08,106 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 771 transitions. [2022-11-16 07:55:08,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-11-16 07:55:08,108 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 07:55:08,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 07:55:08,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 07:55:08,451 INFO L263 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 69 conjunts are in the unsatisfiable core [2022-11-16 07:55:08,455 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 07:55:08,474 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 50 [2022-11-16 07:55:08,478 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2022-11-16 07:55:08,490 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 16 treesize of output 15 [2022-11-16 07:55:08,818 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 67 [2022-11-16 07:55:08,826 INFO L321 Elim1Store]: treesize reduction 47, result has 2.1 percent of original size [2022-11-16 07:55:08,826 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 66 treesize of output 126 [2022-11-16 07:55:08,857 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 07:55:08,857 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 07:55:08,859 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 85 treesize of output 22 [2022-11-16 07:55:08,873 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 07:55:08,874 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2022-11-16 07:55:09,465 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 70 [2022-11-16 07:55:09,514 INFO L321 Elim1Store]: treesize reduction 168, result has 7.2 percent of original size [2022-11-16 07:55:09,514 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 69 treesize of output 144 [2022-11-16 07:55:09,523 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-16 07:55:09,538 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 07:55:09,539 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 135 [2022-11-16 07:55:09,788 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 69 [2022-11-16 07:55:09,802 INFO L321 Elim1Store]: treesize reduction 82, result has 1.2 percent of original size [2022-11-16 07:55:09,802 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 68 treesize of output 133 [2022-11-16 07:55:09,810 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-16 07:55:09,836 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 07:55:09,837 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46