./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.5_overflow.ufo.UNBOUNDED.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 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_bcb1bb35-097a-418a-b507-557adf8a5ded/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb1bb35-097a-418a-b507-557adf8a5ded/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb1bb35-097a-418a-b507-557adf8a5ded/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb1bb35-097a-418a-b507-557adf8a5ded/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.5_overflow.ufo.UNBOUNDED.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb1bb35-097a-418a-b507-557adf8a5ded/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb1bb35-097a-418a-b507-557adf8a5ded/bin/ukojak-rkRKPMF4O4 --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 6994f5bfaf30a704120445031d2592cb0b289806736d22478b28cc84ed2b2216 --- 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-2329fc7 [2022-12-14 19:16:32,674 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 19:16:32,676 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 19:16:32,695 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 19:16:32,696 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 19:16:32,697 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 19:16:32,698 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 19:16:32,700 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 19:16:32,701 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 19:16:32,702 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 19:16:32,703 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 19:16:32,704 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 19:16:32,704 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 19:16:32,705 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 19:16:32,707 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 19:16:32,708 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 19:16:32,708 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 19:16:32,709 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 19:16:32,711 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 19:16:32,713 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 19:16:32,714 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 19:16:32,715 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 19:16:32,716 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 19:16:32,717 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 19:16:32,721 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 19:16:32,721 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 19:16:32,721 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 19:16:32,722 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 19:16:32,723 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 19:16:32,724 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 19:16:32,724 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 19:16:32,725 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 19:16:32,725 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 19:16:32,726 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 19:16:32,727 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 19:16:32,727 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 19:16:32,728 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 19:16:32,728 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 19:16:32,728 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 19:16:32,729 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 19:16:32,730 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 19:16:32,730 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb1bb35-097a-418a-b507-557adf8a5ded/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-14 19:16:32,750 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 19:16:32,751 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 19:16:32,751 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 19:16:32,752 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 19:16:32,752 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 19:16:32,753 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 19:16:32,753 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 19:16:32,753 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 19:16:32,753 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 19:16:32,753 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 19:16:32,754 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 19:16:32,754 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 19:16:32,754 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 19:16:32,754 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 19:16:32,754 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 19:16:32,754 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 19:16:32,755 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 19:16:32,755 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 19:16:32,755 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 19:16:32,755 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 19:16:32,755 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 19:16:32,756 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 19:16:32,756 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 19:16:32,756 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 19:16:32,756 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 19:16:32,756 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 19:16:32,757 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 19:16:32,757 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 19:16:32,757 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_bcb1bb35-097a-418a-b507-557adf8a5ded/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb1bb35-097a-418a-b507-557adf8a5ded/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6994f5bfaf30a704120445031d2592cb0b289806736d22478b28cc84ed2b2216 [2022-12-14 19:16:32,948 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 19:16:32,968 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 19:16:32,970 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 19:16:32,972 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 19:16:32,972 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 19:16:32,973 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb1bb35-097a-418a-b507-557adf8a5ded/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/seq-mthreaded/pals_lcr.5_overflow.ufo.UNBOUNDED.pals.c [2022-12-14 19:16:35,549 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 19:16:35,712 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 19:16:35,713 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb1bb35-097a-418a-b507-557adf8a5ded/sv-benchmarks/c/seq-mthreaded/pals_lcr.5_overflow.ufo.UNBOUNDED.pals.c [2022-12-14 19:16:35,719 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb1bb35-097a-418a-b507-557adf8a5ded/bin/ukojak-rkRKPMF4O4/data/1cfff07bc/d967be8e2cd943ffbe3f182833429942/FLAG8b12e0ae0 [2022-12-14 19:16:36,114 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb1bb35-097a-418a-b507-557adf8a5ded/bin/ukojak-rkRKPMF4O4/data/1cfff07bc/d967be8e2cd943ffbe3f182833429942 [2022-12-14 19:16:36,116 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 19:16:36,117 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 19:16:36,118 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 19:16:36,118 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 19:16:36,120 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 19:16:36,121 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:16:36" (1/1) ... [2022-12-14 19:16:36,121 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6834173d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:16:36, skipping insertion in model container [2022-12-14 19:16:36,122 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:16:36" (1/1) ... [2022-12-14 19:16:36,127 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 19:16:36,152 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 19:16:36,296 WARN L237 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_bcb1bb35-097a-418a-b507-557adf8a5ded/sv-benchmarks/c/seq-mthreaded/pals_lcr.5_overflow.ufo.UNBOUNDED.pals.c[11335,11348] [2022-12-14 19:16:36,300 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 19:16:36,307 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 19:16:36,339 WARN L237 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_bcb1bb35-097a-418a-b507-557adf8a5ded/sv-benchmarks/c/seq-mthreaded/pals_lcr.5_overflow.ufo.UNBOUNDED.pals.c[11335,11348] [2022-12-14 19:16:36,339 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 19:16:36,351 INFO L208 MainTranslator]: Completed translation [2022-12-14 19:16:36,352 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:16:36 WrapperNode [2022-12-14 19:16:36,352 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 19:16:36,353 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 19:16:36,353 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 19:16:36,353 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 19:16:36,360 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:16:36" (1/1) ... [2022-12-14 19:16:36,367 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:16:36" (1/1) ... [2022-12-14 19:16:36,385 INFO L138 Inliner]: procedures = 25, calls = 16, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 309 [2022-12-14 19:16:36,385 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 19:16:36,386 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 19:16:36,386 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 19:16:36,386 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 19:16:36,393 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:16:36" (1/1) ... [2022-12-14 19:16:36,393 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:16:36" (1/1) ... [2022-12-14 19:16:36,395 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:16:36" (1/1) ... [2022-12-14 19:16:36,395 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:16:36" (1/1) ... [2022-12-14 19:16:36,399 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:16:36" (1/1) ... [2022-12-14 19:16:36,402 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:16:36" (1/1) ... [2022-12-14 19:16:36,404 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:16:36" (1/1) ... [2022-12-14 19:16:36,405 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:16:36" (1/1) ... [2022-12-14 19:16:36,407 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 19:16:36,407 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 19:16:36,408 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 19:16:36,408 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 19:16:36,408 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:16:36" (1/1) ... [2022-12-14 19:16:36,413 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 19:16:36,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb1bb35-097a-418a-b507-557adf8a5ded/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 19:16:36,431 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb1bb35-097a-418a-b507-557adf8a5ded/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 19:16:36,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb1bb35-097a-418a-b507-557adf8a5ded/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 19:16:36,465 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 19:16:36,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 19:16:36,466 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 19:16:36,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 19:16:36,536 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 19:16:36,538 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 19:16:36,825 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 19:16:37,156 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 19:16:37,156 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 19:16:37,158 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:16:37 BoogieIcfgContainer [2022-12-14 19:16:37,158 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 19:16:37,159 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 19:16:37,159 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 19:16:37,167 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 19:16:37,168 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:16:37" (1/1) ... [2022-12-14 19:16:37,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 19:16:37,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:16:37,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2022-12-14 19:16:37,223 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2022-12-14 19:16:37,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 19:16:37,225 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:16:37,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:16:37,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:16:38,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:16:38,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:16:38,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2022-12-14 19:16:38,274 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2022-12-14 19:16:38,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 19:16:38,274 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:16:38,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:16:38,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:16:38,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:16:38,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:16:38,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 16 states and 24 transitions. [2022-12-14 19:16:38,798 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 24 transitions. [2022-12-14 19:16:38,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 19:16:38,798 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:16:38,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:16:38,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:16:39,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:16:39,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:16:39,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 20 states and 30 transitions. [2022-12-14 19:16:39,751 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 30 transitions. [2022-12-14 19:16:39,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 19:16:39,754 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:16:39,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:16:39,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:16:40,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:16:40,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:16:40,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 23 states and 34 transitions. [2022-12-14 19:16:40,431 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 34 transitions. [2022-12-14 19:16:40,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 19:16:40,432 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:16:40,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:16:40,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:16:43,261 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:16:46,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:16:46,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 33 states and 52 transitions. [2022-12-14 19:16:46,974 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 52 transitions. [2022-12-14 19:16:46,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 19:16:46,974 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:16:46,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:16:47,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:16:47,339 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:16:50,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:16:50,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 43 states and 70 transitions. [2022-12-14 19:16:50,211 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 70 transitions. [2022-12-14 19:16:50,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 19:16:50,212 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:16:50,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:16:50,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:16:53,000 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:16:58,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:16:58,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 54 states and 90 transitions. [2022-12-14 19:16:58,381 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 90 transitions. [2022-12-14 19:16:58,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 19:16:58,382 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:16:58,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:16:58,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:16:58,685 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:16:58,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:16:58,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 55 states and 93 transitions. [2022-12-14 19:16:58,916 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 93 transitions. [2022-12-14 19:16:58,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-14 19:16:58,916 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:16:58,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:16:58,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:17:00,231 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:17:08,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:17:08,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 71 states and 129 transitions. [2022-12-14 19:17:08,458 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 129 transitions. [2022-12-14 19:17:08,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 19:17:08,458 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:17:08,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:17:08,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:17:09,028 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:17:12,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:17:12,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 77 states and 139 transitions. [2022-12-14 19:17:12,914 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 139 transitions. [2022-12-14 19:17:12,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 19:17:12,914 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:17:12,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:17:12,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:17:14,354 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:17:22,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:17:22,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 86 states and 159 transitions. [2022-12-14 19:17:22,629 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 159 transitions. [2022-12-14 19:17:22,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 19:17:22,629 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:17:22,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:17:22,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:17:22,991 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:17:25,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:17:25,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 92 states and 169 transitions. [2022-12-14 19:17:25,538 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 169 transitions. [2022-12-14 19:17:25,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 19:17:25,538 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:17:25,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:17:25,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:17:27,155 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:17:28,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:17:28,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 93 states and 172 transitions. [2022-12-14 19:17:28,478 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 172 transitions. [2022-12-14 19:17:28,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-14 19:17:28,478 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:17:28,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:17:28,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:17:55,079 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:19:02,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:19:02,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 118 states and 229 transitions. [2022-12-14 19:19:02,100 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 229 transitions. [2022-12-14 19:19:02,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-14 19:19:02,101 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:19:02,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:19:02,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:19:03,328 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 9 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:19:11,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:19:11,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 126 states and 253 transitions. [2022-12-14 19:19:11,872 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 253 transitions. [2022-12-14 19:19:11,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-14 19:19:11,873 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:19:11,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:19:12,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:20:12,921 WARN L233 SmtUtils]: Spent 13.13s on a formula simplification. DAG size of input: 175 DAG size of output: 174 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 19:22:28,025 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:22:44,318 WARN L233 SmtUtils]: Spent 12.25s on a formula simplification. DAG size of input: 362 DAG size of output: 180 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 19:23:03,090 WARN L233 SmtUtils]: Spent 7.86s on a formula simplification that was a NOOP. DAG size: 175 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 19:23:16,960 WARN L233 SmtUtils]: Spent 13.60s on a formula simplification. DAG size of input: 364 DAG size of output: 310 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 19:23:42,656 WARN L233 SmtUtils]: Spent 14.92s on a formula simplification. DAG size of input: 365 DAG size of output: 183 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 19:23:49,576 WARN L233 SmtUtils]: Spent 6.35s on a formula simplification. DAG size of input: 367 DAG size of output: 313 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 19:24:22,404 WARN L233 SmtUtils]: Spent 15.85s on a formula simplification. DAG size of input: 366 DAG size of output: 184 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 19:24:35,934 WARN L233 SmtUtils]: Spent 12.52s on a formula simplification. DAG size of input: 368 DAG size of output: 314 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 19:24:58,071 WARN L233 SmtUtils]: Spent 7.58s on a formula simplification. DAG size of input: 548 DAG size of output: 488 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 19:25:08,867 WARN L233 SmtUtils]: Spent 7.95s on a formula simplification. DAG size of input: 550 DAG size of output: 520 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 19:25:25,289 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.38s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-12-14 19:25:37,420 WARN L233 SmtUtils]: Spent 8.08s on a formula simplification. DAG size of input: 544 DAG size of output: 486 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 19:25:45,618 WARN L233 SmtUtils]: Spent 7.76s on a formula simplification. DAG size of input: 546 DAG size of output: 527 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 19:25:52,955 WARN L233 SmtUtils]: Spent 5.44s on a formula simplification. DAG size of input: 483 DAG size of output: 478 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 19:26:07,963 WARN L233 SmtUtils]: Spent 8.32s on a formula simplification. DAG size of input: 545 DAG size of output: 487 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 19:26:15,938 WARN L233 SmtUtils]: Spent 7.47s on a formula simplification. DAG size of input: 547 DAG size of output: 528 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 19:26:23,378 WARN L233 SmtUtils]: Spent 5.48s on a formula simplification. DAG size of input: 484 DAG size of output: 479 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 19:26:39,697 WARN L233 SmtUtils]: Spent 7.97s on a formula simplification. DAG size of input: 534 DAG size of output: 476 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 19:26:47,401 WARN L233 SmtUtils]: Spent 7.14s on a formula simplification. DAG size of input: 536 DAG size of output: 517 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 19:26:54,279 WARN L233 SmtUtils]: Spent 5.05s on a formula simplification. DAG size of input: 473 DAG size of output: 468 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 19:28:07,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:28:07,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 152 states and 309 transitions. [2022-12-14 19:28:07,818 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 309 transitions. [2022-12-14 19:28:07,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-14 19:28:07,819 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:28:07,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:28:07,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:28:08,365 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 9 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:28:10,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:28:10,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 153 states and 312 transitions. [2022-12-14 19:28:10,684 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 312 transitions. [2022-12-14 19:28:10,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-14 19:28:10,685 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:28:10,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:28:10,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:28:11,215 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 9 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:28:53,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:28:53,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 159 states and 318 transitions. [2022-12-14 19:28:53,893 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 318 transitions. [2022-12-14 19:28:53,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-14 19:28:53,893 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:28:53,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:28:54,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat