./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/ncomp.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a51f3d68-162e-45b7-aa74-3fbc92ebe688/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a51f3d68-162e-45b7-aa74-3fbc92ebe688/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a51f3d68-162e-45b7-aa74-3fbc92ebe688/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a51f3d68-162e-45b7-aa74-3fbc92ebe688/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/array-fpi/ncomp.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a51f3d68-162e-45b7-aa74-3fbc92ebe688/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a51f3d68-162e-45b7-aa74-3fbc92ebe688/bin/ukojak-92XMlrwhuB --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 c3d1ff002f6e6cf179cc6204a129c133a3beda704ea9fff27ad69a10f5c1f33d --- 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-dbf71c6-m [2022-10-17 16:41:39,095 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:41:39,098 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:41:39,152 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:41:39,153 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:41:39,157 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:41:39,160 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:41:39,166 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:41:39,168 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:41:39,174 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:41:39,176 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:41:39,178 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:41:39,181 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:41:39,183 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:41:39,186 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:41:39,188 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:41:39,190 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:41:39,191 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:41:39,193 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:41:39,201 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:41:39,203 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:41:39,205 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:41:39,209 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:41:39,211 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:41:39,221 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:41:39,225 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:41:39,226 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:41:39,228 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:41:39,229 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:41:39,231 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:41:39,231 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:41:39,233 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:41:39,235 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:41:39,237 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:41:39,239 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:41:39,240 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:41:39,241 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:41:39,241 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:41:39,242 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:41:39,243 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:41:39,244 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:41:39,245 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a51f3d68-162e-45b7-aa74-3fbc92ebe688/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:41:39,291 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:41:39,291 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:41:39,293 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:41:39,294 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:41:39,295 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:41:39,295 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:41:39,295 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:41:39,296 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:41:39,296 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:41:39,296 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:41:39,297 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:41:39,297 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:41:39,298 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:41:39,298 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:41:39,298 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:41:39,298 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:41:39,299 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:41:39,299 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:41:39,299 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:41:39,299 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:41:39,300 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:41:39,300 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:41:39,300 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:41:39,301 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:41:39,301 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:41:39,301 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:41:39,301 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:41:39,302 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:41:39,302 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_a51f3d68-162e-45b7-aa74-3fbc92ebe688/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a51f3d68-162e-45b7-aa74-3fbc92ebe688/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c3d1ff002f6e6cf179cc6204a129c133a3beda704ea9fff27ad69a10f5c1f33d [2022-10-17 16:41:39,599 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:41:39,619 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:41:39,622 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:41:39,623 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:41:39,624 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:41:39,626 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a51f3d68-162e-45b7-aa74-3fbc92ebe688/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/array-fpi/ncomp.c [2022-10-17 16:41:39,686 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a51f3d68-162e-45b7-aa74-3fbc92ebe688/bin/ukojak-92XMlrwhuB/data/e5fd99c7b/e967355b62cc49dea1905adb61e4904f/FLAGb943e93c8 [2022-10-17 16:41:40,219 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:41:40,219 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a51f3d68-162e-45b7-aa74-3fbc92ebe688/sv-benchmarks/c/array-fpi/ncomp.c [2022-10-17 16:41:40,233 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a51f3d68-162e-45b7-aa74-3fbc92ebe688/bin/ukojak-92XMlrwhuB/data/e5fd99c7b/e967355b62cc49dea1905adb61e4904f/FLAGb943e93c8 [2022-10-17 16:41:40,593 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a51f3d68-162e-45b7-aa74-3fbc92ebe688/bin/ukojak-92XMlrwhuB/data/e5fd99c7b/e967355b62cc49dea1905adb61e4904f [2022-10-17 16:41:40,595 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:41:40,597 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:41:40,602 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:41:40,604 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:41:40,608 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:41:40,609 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:41:40" (1/1) ... [2022-10-17 16:41:40,610 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fb93fb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:40, skipping insertion in model container [2022-10-17 16:41:40,610 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:41:40" (1/1) ... [2022-10-17 16:41:40,619 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:41:40,639 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:41:40,816 WARN L230 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_a51f3d68-162e-45b7-aa74-3fbc92ebe688/sv-benchmarks/c/array-fpi/ncomp.c[588,601] [2022-10-17 16:41:40,864 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:41:40,873 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:41:40,886 WARN L230 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_a51f3d68-162e-45b7-aa74-3fbc92ebe688/sv-benchmarks/c/array-fpi/ncomp.c[588,601] [2022-10-17 16:41:40,897 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:41:40,913 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:41:40,914 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:40 WrapperNode [2022-10-17 16:41:40,915 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:41:40,916 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:41:40,916 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:41:40,918 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:41:40,926 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:40" (1/1) ... [2022-10-17 16:41:40,945 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:40" (1/1) ... [2022-10-17 16:41:40,981 INFO L138 Inliner]: procedures = 16, calls = 24, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 89 [2022-10-17 16:41:40,982 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:41:40,983 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:41:40,983 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:41:40,983 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:41:40,993 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:40" (1/1) ... [2022-10-17 16:41:40,993 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:40" (1/1) ... [2022-10-17 16:41:41,001 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:40" (1/1) ... [2022-10-17 16:41:41,002 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:40" (1/1) ... [2022-10-17 16:41:41,017 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:40" (1/1) ... [2022-10-17 16:41:41,025 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:40" (1/1) ... [2022-10-17 16:41:41,032 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:40" (1/1) ... [2022-10-17 16:41:41,037 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:40" (1/1) ... [2022-10-17 16:41:41,040 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:41:41,042 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:41:41,043 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:41:41,043 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:41:41,044 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:40" (1/1) ... [2022-10-17 16:41:41,051 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:41:41,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a51f3d68-162e-45b7-aa74-3fbc92ebe688/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:41:41,083 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a51f3d68-162e-45b7-aa74-3fbc92ebe688/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:41:41,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a51f3d68-162e-45b7-aa74-3fbc92ebe688/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:41:41,144 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:41:41,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:41:41,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:41:41,146 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 16:41:41,147 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:41:41,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:41:41,147 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:41:41,260 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:41:41,262 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:41:41,464 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:41:41,529 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:41:41,530 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-10-17 16:41:41,532 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:41:41 BoogieIcfgContainer [2022-10-17 16:41:41,532 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:41:41,533 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:41:41,534 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:41:41,555 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:41:41,555 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:41:41" (1/1) ... [2022-10-17 16:41:41,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:41:41,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:41,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 12 states and 17 transitions. [2022-10-17 16:41:41,669 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 17 transitions. [2022-10-17 16:41:41,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:41:41,671 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:41,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:41,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:41,952 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:41:41,960 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:41:42,206 INFO L356 Elim1Store]: treesize reduction 117, result has 35.4 percent of original size [2022-10-17 16:41:42,207 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 194 treesize of output 281 [2022-10-17 16:41:42,242 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-10-17 16:41:42,276 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-10-17 16:41:42,307 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-10-17 16:41:42,448 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-17 16:41:42,460 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-17 16:41:42,485 INFO L356 Elim1Store]: treesize reduction 25, result has 24.2 percent of original size [2022-10-17 16:41:42,486 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 96 treesize of output 97 [2022-10-17 16:41:42,560 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-10-17 16:41:42,657 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-17 16:41:42,662 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-17 16:41:42,664 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-17 16:41:42,672 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 74 [2022-10-17 16:41:42,702 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-10-17 16:41:42,940 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-10-17 16:41:42,942 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 271 [2022-10-17 16:41:42,976 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-10-17 16:41:42,978 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2022-10-17 16:41:42,994 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 16 treesize of output 5 [2022-10-17 16:41:42,998 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-10-17 16:41:43,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:41:43,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:43,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 17 states and 33 transitions. [2022-10-17 16:41:43,231 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 33 transitions. [2022-10-17 16:41:43,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:41:43,232 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:43,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:43,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:43,364 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-17 16:41:43,366 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:41:43,397 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:41:43,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:43,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 19 states and 42 transitions. [2022-10-17 16:41:43,653 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 42 transitions. [2022-10-17 16:41:43,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:41:43,656 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:43,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:43,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:43,763 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-17 16:41:43,764 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:41:43,788 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:41:43,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:43,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 20 states and 46 transitions. [2022-10-17 16:41:43,850 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 46 transitions. [2022-10-17 16:41:43,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:41:43,851 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:43,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:43,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:43,924 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-17 16:41:43,925 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:41:43,972 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:41:44,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:44,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 23 states and 59 transitions. [2022-10-17 16:41:44,345 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 59 transitions. [2022-10-17 16:41:44,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:41:44,345 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:44,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:44,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:44,409 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-17 16:41:44,410 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:41:44,432 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:41:44,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:44,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 26 states and 67 transitions. [2022-10-17 16:41:44,831 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 67 transitions. [2022-10-17 16:41:44,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:41:44,832 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:44,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:44,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:44,890 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-17 16:41:44,892 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:41:44,912 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:41:45,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:45,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 27 states and 71 transitions. [2022-10-17 16:41:45,002 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 71 transitions. [2022-10-17 16:41:45,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:41:45,003 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:45,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:45,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:45,063 INFO L263 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 16:41:45,064 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:41:45,121 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:41:45,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:45,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 31 states and 78 transitions. [2022-10-17 16:41:45,455 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 78 transitions. [2022-10-17 16:41:45,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:41:45,455 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:45,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:45,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:45,567 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 26 conjunts are in the unsatisfiable core [2022-10-17 16:41:45,573 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:41:45,585 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12 [2022-10-17 16:41:45,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 16:41:45,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 16:41:45,616 INFO L356 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-10-17 16:41:45,616 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 23 [2022-10-17 16:41:45,621 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-10-17 16:41:45,681 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-10-17 16:41:45,747 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-10-17 16:41:45,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 16:41:45,837 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-10-17 16:41:45,899 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:41:46,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:46,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 32 states and 81 transitions. [2022-10-17 16:41:46,318 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 81 transitions. [2022-10-17 16:41:46,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:41:46,319 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:46,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:46,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:46,451 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 28 conjunts are in the unsatisfiable core [2022-10-17 16:41:46,455 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:41:46,583 INFO L356 Elim1Store]: treesize reduction 117, result has 35.4 percent of original size [2022-10-17 16:41:46,584 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 92 treesize of output 229 [2022-10-17 16:41:46,600 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-10-17 16:41:46,616 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-10-17 16:41:46,636 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-10-17 16:41:46,694 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-10-17 16:41:46,696 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 177 [2022-10-17 16:41:46,887 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-10-17 16:41:46,888 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 103 [2022-10-17 16:41:46,953 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-17 16:41:46,955 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 16 [2022-10-17 16:41:46,959 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-10-17 16:41:46,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 16:41:46,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 16:41:47,008 INFO L356 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2022-10-17 16:41:47,008 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 163 treesize of output 126 [2022-10-17 16:41:47,021 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 97 [2022-10-17 16:41:47,028 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 95 [2022-10-17 16:41:47,038 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 93 [2022-10-17 16:41:47,075 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-10-17 16:41:47,145 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-10-17 16:41:47,146 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 267 [2022-10-17 16:41:47,296 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-10-17 16:41:47,297 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2022-10-17 16:41:47,336 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-10-17 16:41:47,342 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2022-10-17 16:41:47,382 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12 [2022-10-17 16:41:47,689 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-10-17 16:41:47,710 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-10-17 16:41:47,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 16:41:47,730 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-10-17 16:41:47,754 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:41:48,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:48,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 34 states and 88 transitions. [2022-10-17 16:41:48,148 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 88 transitions. [2022-10-17 16:41:48,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:41:48,149 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:48,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:48,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:48,285 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 28 conjunts are in the unsatisfiable core [2022-10-17 16:41:48,288 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:41:48,305 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12 [2022-10-17 16:41:48,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 16:41:48,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 16:41:48,328 INFO L356 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-10-17 16:41:48,328 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 23 [2022-10-17 16:41:48,334 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-10-17 16:41:48,348 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-10-17 16:41:48,376 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-10-17 16:41:48,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 16:41:48,395 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-10-17 16:41:48,420 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:41:48,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:48,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 36 states and 97 transitions. [2022-10-17 16:41:48,857 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 97 transitions. [2022-10-17 16:41:48,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:41:48,858 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:48,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:48,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:48,915 INFO L263 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-17 16:41:48,916 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:41:49,051 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:41:49,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:49,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 39 states and 107 transitions. [2022-10-17 16:41:49,919 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 107 transitions. [2022-10-17 16:41:49,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:41:49,921 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:49,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:49,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:50,001 INFO L263 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-17 16:41:50,002 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:41:50,066 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:41:50,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:50,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 41 states and 112 transitions. [2022-10-17 16:41:50,643 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 112 transitions. [2022-10-17 16:41:50,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:41:50,644 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:50,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:50,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:50,694 INFO L263 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-17 16:41:50,696 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:41:50,877 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:41:51,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:51,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 44 states and 128 transitions. [2022-10-17 16:41:51,575 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 128 transitions. [2022-10-17 16:41:51,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:41:51,576 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:51,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:51,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:51,642 INFO L263 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-17 16:41:51,643 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:41:51,716 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:41:51,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:51,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 45 states and 132 transitions. [2022-10-17 16:41:51,939 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 132 transitions. [2022-10-17 16:41:51,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:41:51,940 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:51,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:51,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:51,988 INFO L263 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:41:51,989 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:41:52,198 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:41:52,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:52,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 39 states and 99 transitions. [2022-10-17 16:41:52,586 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 99 transitions. [2022-10-17 16:41:52,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:41:52,587 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:52,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:52,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:52,647 INFO L263 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-17 16:41:52,650 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:41:52,719 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-17 16:41:53,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:53,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 42 states and 103 transitions. [2022-10-17 16:41:53,406 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 103 transitions. [2022-10-17 16:41:53,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:41:53,407 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:53,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:53,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:53,466 INFO L263 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-17 16:41:53,467 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:41:53,537 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-17 16:41:54,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:54,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 44 states and 106 transitions. [2022-10-17 16:41:54,078 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 106 transitions. [2022-10-17 16:41:54,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:41:54,079 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:54,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:54,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:54,140 INFO L263 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-17 16:41:54,141 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:41:54,203 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-17 16:41:54,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:54,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 45 states and 108 transitions. [2022-10-17 16:41:54,419 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 108 transitions. [2022-10-17 16:41:54,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:41:54,419 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:54,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:54,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:54,488 INFO L263 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-17 16:41:54,489 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:41:54,553 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-17 16:41:54,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:54,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 46 states and 110 transitions. [2022-10-17 16:41:54,843 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 110 transitions. [2022-10-17 16:41:54,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:41:54,843 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:54,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:54,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:54,897 INFO L263 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:41:54,898 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:41:55,092 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:41:55,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:55,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 42 states and 97 transitions. [2022-10-17 16:41:55,569 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 97 transitions. [2022-10-17 16:41:55,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:41:55,570 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:55,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:55,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:55,678 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 44 conjunts are in the unsatisfiable core [2022-10-17 16:41:55,681 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:41:55,693 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-10-17 16:41:55,694 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 19 [2022-10-17 16:41:55,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 16:41:55,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 16:41:55,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 16:41:55,713 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 22 treesize of output 22 [2022-10-17 16:41:55,721 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-10-17 16:41:55,751 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-10-17 16:41:55,861 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 21 treesize of output 26 [2022-10-17 16:41:56,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 16:41:56,077 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2022-10-17 16:41:56,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 16:41:56,110 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 32 [2022-10-17 16:41:56,580 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:42:00,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:00,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 48 states and 122 transitions. [2022-10-17 16:42:00,560 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 122 transitions. [2022-10-17 16:42:00,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:42:00,560 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:00,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:00,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:00,644 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 44 conjunts are in the unsatisfiable core [2022-10-17 16:42:00,650 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:42:01,231 INFO L356 Elim1Store]: treesize reduction 252, result has 37.8 percent of original size [2022-10-17 16:42:01,232 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 6 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 19 case distinctions, treesize of input 462 treesize of output 894 [2022-10-17 16:42:01,305 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 15 [2022-10-17 16:42:01,368 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 33 [2022-10-17 16:42:01,435 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 15 [2022-10-17 16:42:01,596 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 15 [2022-10-17 16:42:01,713 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-10-17 16:42:01,887 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-17 16:42:01,895 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-17 16:42:01,895 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-17 16:42:01,916 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-17 16:42:01,919 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-17 16:42:01,920 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-17 16:42:01,937 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-17 16:42:01,989 INFO L356 Elim1Store]: treesize reduction 61, result has 11.6 percent of original size [2022-10-17 16:42:01,990 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 11 case distinctions, treesize of input 223 treesize of output 690 [2022-10-17 16:42:02,310 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-17 16:42:02,315 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-17 16:42:02,329 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-17 16:42:02,363 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-17 16:42:02,378 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-17 16:42:02,398 INFO L244 Elim1Store]: Index analysis took 171 ms [2022-10-17 16:42:02,451 INFO L356 Elim1Store]: treesize reduction 61, result has 11.6 percent of original size [2022-10-17 16:42:02,451 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 5 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 11 case distinctions, treesize of input 228 treesize of output 693 [2022-10-17 16:42:02,814 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-10-17 16:42:02,820 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 505 [2022-10-17 16:42:03,149 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-10-17 16:42:03,152 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 690 [2022-10-17 16:42:03,682 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-10-17 16:42:03,683 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 514 [2022-10-17 16:42:03,864 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-10-17 16:42:03,869 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1141 [2022-10-17 16:42:05,042 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-10-17 16:42:05,044 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 734 [2022-10-17 16:42:05,368 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-10-17 16:42:05,370 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 674 [2022-10-17 16:42:05,706 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-10-17 16:42:05,709 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 737 [2022-10-17 16:42:06,362 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-10-17 16:42:06,364 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 254 [2022-10-17 16:42:06,745 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 3416 treesize of output 3265 [2022-10-17 16:42:08,030 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-10-17 16:42:08,031 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2022-10-17 16:42:08,143 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-10-17 16:42:08,144 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2022-10-17 16:42:08,299 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-10-17 16:42:08,303 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2022-10-17 16:42:08,667 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-10-17 16:42:08,670 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1017 [2022-10-17 16:42:09,088 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-17 16:42:09,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 16:42:09,095 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-17 16:42:09,097 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 203 treesize of output 162 [2022-10-17 16:42:09,103 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-10-17 16:42:09,126 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-10-17 16:42:09,152 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-17 16:42:09,204 INFO L356 Elim1Store]: treesize reduction 29, result has 38.3 percent of original size [2022-10-17 16:42:09,205 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 1827 treesize of output 1705 [2022-10-17 16:42:09,913 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-10-17 16:42:09,914 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2022-10-17 16:42:09,966 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-10-17 16:42:09,967 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2022-10-17 16:42:09,993 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-10-17 16:42:09,994 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 83 [2022-10-17 16:42:09,998 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-10-17 16:42:09,999 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 183 [2022-10-17 16:42:10,031 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-10-17 16:42:10,033 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 411 [2022-10-17 16:42:10,036 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-17 16:42:10,036 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-17 16:42:10,041 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 35 [2022-10-17 16:42:10,052 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-10-17 16:42:10,053 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 83 [2022-10-17 16:42:10,059 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-10-17 16:42:10,060 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 240 [2022-10-17 16:42:10,085 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-10-17 16:42:10,085 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 83 [2022-10-17 16:42:10,089 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-10-17 16:42:10,090 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 183 [2022-10-17 16:42:10,122 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-17 16:42:10,219 INFO L356 Elim1Store]: treesize reduction 29, result has 38.3 percent of original size [2022-10-17 16:42:10,220 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 1317 treesize of output 1215