./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.ufo.UNBOUNDED.pals.c.v+nlh-reducer.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_2dec416d-5dd7-46c9-93d9-817a55c1be51/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dec416d-5dd7-46c9-93d9-817a55c1be51/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_2dec416d-5dd7-46c9-93d9-817a55c1be51/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dec416d-5dd7-46c9-93d9-817a55c1be51/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dec416d-5dd7-46c9-93d9-817a55c1be51/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_2dec416d-5dd7-46c9-93d9-817a55c1be51/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 b8f11c58bd911b111c6f04ca73beac7abb77a983b1f6790a335f756f9ecfba15 --- 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 16:33:00,589 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:33:00,591 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:33:00,642 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:33:00,643 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:33:00,648 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:33:00,651 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:33:00,657 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:33:00,659 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:33:00,660 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:33:00,662 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:33:00,664 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:33:00,666 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:33:00,667 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:33:00,669 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:33:00,670 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:33:00,671 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:33:00,672 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:33:00,675 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:33:00,677 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:33:00,684 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:33:00,686 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:33:00,691 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:33:00,692 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:33:00,704 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:33:00,705 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:33:00,705 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:33:00,707 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:33:00,707 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:33:00,708 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:33:00,709 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:33:00,709 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:33:00,710 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:33:00,711 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:33:00,712 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:33:00,712 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:33:00,713 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:33:00,713 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:33:00,713 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:33:00,714 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:33:00,714 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:33:00,716 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dec416d-5dd7-46c9-93d9-817a55c1be51/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:33:00,747 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:33:00,748 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:33:00,749 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:33:00,749 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:33:00,750 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:33:00,750 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:33:00,750 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:33:00,750 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:33:00,751 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:33:00,751 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:33:00,751 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:33:00,751 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:33:00,751 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:33:00,752 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:33:00,752 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:33:00,759 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:33:00,760 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:33:00,760 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:33:00,760 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:33:00,760 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:33:00,761 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:33:00,761 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:33:00,761 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:33:00,761 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:33:00,761 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:33:00,762 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:33:00,762 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:33:00,762 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:33:00,762 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_2dec416d-5dd7-46c9-93d9-817a55c1be51/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dec416d-5dd7-46c9-93d9-817a55c1be51/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b8f11c58bd911b111c6f04ca73beac7abb77a983b1f6790a335f756f9ecfba15 [2022-10-17 16:33:01,007 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:33:01,064 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:33:01,067 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:33:01,068 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:33:01,070 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:33:01,072 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dec416d-5dd7-46c9-93d9-817a55c1be51/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2022-10-17 16:33:01,143 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dec416d-5dd7-46c9-93d9-817a55c1be51/bin/ukojak-92XMlrwhuB/data/2bf5271b6/10923eab1b7149309923261fbbb36e6c/FLAGddcb64828 [2022-10-17 16:33:01,706 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:33:01,707 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dec416d-5dd7-46c9-93d9-817a55c1be51/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2022-10-17 16:33:01,722 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dec416d-5dd7-46c9-93d9-817a55c1be51/bin/ukojak-92XMlrwhuB/data/2bf5271b6/10923eab1b7149309923261fbbb36e6c/FLAGddcb64828 [2022-10-17 16:33:01,986 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dec416d-5dd7-46c9-93d9-817a55c1be51/bin/ukojak-92XMlrwhuB/data/2bf5271b6/10923eab1b7149309923261fbbb36e6c [2022-10-17 16:33:01,988 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:33:01,989 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:33:01,991 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:33:01,991 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:33:01,994 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:33:01,995 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:33:01" (1/1) ... [2022-10-17 16:33:01,996 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7dba38d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:01, skipping insertion in model container [2022-10-17 16:33:01,997 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:33:01" (1/1) ... [2022-10-17 16:33:02,004 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:33:02,062 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:33:02,365 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_2dec416d-5dd7-46c9-93d9-817a55c1be51/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c[10376,10389] [2022-10-17 16:33:02,450 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:33:02,466 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:33:02,563 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_2dec416d-5dd7-46c9-93d9-817a55c1be51/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c[10376,10389] [2022-10-17 16:33:02,608 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:33:02,630 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:33:02,630 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:02 WrapperNode [2022-10-17 16:33:02,630 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:33:02,632 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:33:02,632 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:33:02,632 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:33:02,641 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:02" (1/1) ... [2022-10-17 16:33:02,657 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:02" (1/1) ... [2022-10-17 16:33:02,715 INFO L138 Inliner]: procedures = 27, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 828 [2022-10-17 16:33:02,715 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:33:02,716 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:33:02,716 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:33:02,716 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:33:02,725 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:02" (1/1) ... [2022-10-17 16:33:02,725 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:02" (1/1) ... [2022-10-17 16:33:02,732 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:02" (1/1) ... [2022-10-17 16:33:02,733 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:02" (1/1) ... [2022-10-17 16:33:02,747 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:02" (1/1) ... [2022-10-17 16:33:02,757 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:02" (1/1) ... [2022-10-17 16:33:02,761 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:02" (1/1) ... [2022-10-17 16:33:02,765 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:02" (1/1) ... [2022-10-17 16:33:02,772 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:33:02,774 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:33:02,774 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:33:02,774 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:33:02,775 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:02" (1/1) ... [2022-10-17 16:33:02,782 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:33:02,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dec416d-5dd7-46c9-93d9-817a55c1be51/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:33:02,825 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dec416d-5dd7-46c9-93d9-817a55c1be51/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:33:02,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dec416d-5dd7-46c9-93d9-817a55c1be51/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:33:02,872 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:33:02,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:33:02,873 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:33:02,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:33:03,036 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:33:03,038 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:33:03,983 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:33:04,260 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:33:04,261 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-17 16:33:04,264 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:33:04 BoogieIcfgContainer [2022-10-17 16:33:04,264 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:33:04,265 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:33:04,265 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:33:04,276 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:33:04,277 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:33:04" (1/1) ... [2022-10-17 16:33:04,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:33:04,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:04,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 144 states and 252 transitions. [2022-10-17 16:33:04,370 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 252 transitions. [2022-10-17 16:33:04,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-10-17 16:33:04,376 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:04,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:04,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:05,199 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 16:33:05,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:05,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 144 states and 250 transitions. [2022-10-17 16:33:05,409 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 250 transitions. [2022-10-17 16:33:05,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-10-17 16:33:05,415 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:05,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:05,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:05,825 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 16:33:06,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:06,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 153 states and 267 transitions. [2022-10-17 16:33:06,344 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 267 transitions. [2022-10-17 16:33:06,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-10-17 16:33:06,354 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:06,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:06,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:06,618 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 16:33:06,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:06,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 150 states and 261 transitions. [2022-10-17 16:33:06,665 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 261 transitions. [2022-10-17 16:33:06,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-10-17 16:33:06,674 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:06,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:06,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:06,877 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 16:33:06,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:06,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 151 states and 262 transitions. [2022-10-17 16:33:06,911 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 262 transitions. [2022-10-17 16:33:06,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-10-17 16:33:06,913 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:06,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:06,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:07,184 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 16:33:07,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:07,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 154 states and 267 transitions. [2022-10-17 16:33:07,984 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 267 transitions. [2022-10-17 16:33:07,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-10-17 16:33:07,985 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:07,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:08,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:08,184 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 16:33:08,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:08,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 147 states and 254 transitions. [2022-10-17 16:33:08,224 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 254 transitions. [2022-10-17 16:33:08,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-10-17 16:33:08,225 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:08,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:08,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:08,388 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 16:33:08,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:08,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 144 states and 248 transitions. [2022-10-17 16:33:08,430 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 248 transitions. [2022-10-17 16:33:08,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-10-17 16:33:08,431 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:08,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:08,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:08,664 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 16:33:09,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:09,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 151 states and 259 transitions. [2022-10-17 16:33:09,925 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 259 transitions. [2022-10-17 16:33:09,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-10-17 16:33:09,926 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:09,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:09,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:10,107 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 16:33:10,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:10,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 144 states and 247 transitions. [2022-10-17 16:33:10,144 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 247 transitions. [2022-10-17 16:33:10,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-10-17 16:33:10,146 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:10,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:10,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:10,425 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 16:33:12,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:12,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 144 states and 246 transitions. [2022-10-17 16:33:12,622 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 246 transitions. [2022-10-17 16:33:12,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-10-17 16:33:12,623 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:12,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:12,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:12,901 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 16:33:15,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:15,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 147 states and 251 transitions. [2022-10-17 16:33:15,476 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 251 transitions. [2022-10-17 16:33:15,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-10-17 16:33:15,477 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:15,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:15,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:15,619 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 16:33:15,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:15,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 144 states and 245 transitions. [2022-10-17 16:33:15,661 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 245 transitions. [2022-10-17 16:33:15,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-10-17 16:33:15,662 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:15,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:15,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:16,078 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 16:33:19,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:19,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 144 states and 244 transitions. [2022-10-17 16:33:19,174 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 244 transitions. [2022-10-17 16:33:19,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-10-17 16:33:19,175 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:19,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:19,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat