./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread/stack-2.i --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_c6e5c363-0439-4f41-9b3c-154d55c36d6d/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e5c363-0439-4f41-9b3c-154d55c36d6d/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_c6e5c363-0439-4f41-9b3c-154d55c36d6d/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e5c363-0439-4f41-9b3c-154d55c36d6d/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/stack-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e5c363-0439-4f41-9b3c-154d55c36d6d/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_c6e5c363-0439-4f41-9b3c-154d55c36d6d/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 1c5d098180a5596f0a60d3177354c69a5ee6da68b8191dc75b6c33b291ef0421 --- 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 [2022-12-15 03:41:06,329 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 03:41:06,330 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 03:41:06,348 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 03:41:06,349 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 03:41:06,350 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 03:41:06,351 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 03:41:06,353 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 03:41:06,354 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 03:41:06,355 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 03:41:06,356 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 03:41:06,357 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 03:41:06,357 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 03:41:06,358 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 03:41:06,359 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 03:41:06,360 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 03:41:06,361 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 03:41:06,362 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 03:41:06,363 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 03:41:06,365 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 03:41:06,366 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 03:41:06,367 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 03:41:06,368 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 03:41:06,369 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 03:41:06,373 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 03:41:06,373 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 03:41:06,373 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 03:41:06,374 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 03:41:06,374 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 03:41:06,375 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 03:41:06,376 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 03:41:06,376 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 03:41:06,377 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 03:41:06,378 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 03:41:06,379 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 03:41:06,379 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 03:41:06,380 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 03:41:06,380 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 03:41:06,380 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 03:41:06,381 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 03:41:06,381 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 03:41:06,382 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e5c363-0439-4f41-9b3c-154d55c36d6d/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-15 03:41:06,405 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 03:41:06,405 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 03:41:06,406 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 03:41:06,406 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 03:41:06,407 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 03:41:06,407 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 03:41:06,407 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 03:41:06,407 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-15 03:41:06,407 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 03:41:06,407 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-15 03:41:06,408 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 03:41:06,408 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 03:41:06,408 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 03:41:06,408 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 03:41:06,408 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-15 03:41:06,408 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 03:41:06,408 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 03:41:06,408 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 03:41:06,408 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 03:41:06,409 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 03:41:06,409 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 03:41:06,409 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 03:41:06,409 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 03:41:06,409 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 03:41:06,409 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 03:41:06,409 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 03:41:06,409 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 03:41:06,410 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 03:41:06,410 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_c6e5c363-0439-4f41-9b3c-154d55c36d6d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e5c363-0439-4f41-9b3c-154d55c36d6d/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1c5d098180a5596f0a60d3177354c69a5ee6da68b8191dc75b6c33b291ef0421 [2022-12-15 03:41:06,582 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 03:41:06,597 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 03:41:06,599 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 03:41:06,600 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 03:41:06,600 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 03:41:06,601 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e5c363-0439-4f41-9b3c-154d55c36d6d/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/pthread/stack-2.i [2022-12-15 03:41:09,170 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 03:41:09,390 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 03:41:09,390 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e5c363-0439-4f41-9b3c-154d55c36d6d/sv-benchmarks/c/pthread/stack-2.i [2022-12-15 03:41:09,403 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e5c363-0439-4f41-9b3c-154d55c36d6d/bin/ukojak-rkRKPMF4O4/data/bb5daf2fe/a026bdf622a84083b9a017a74b2d1de4/FLAG88018fead [2022-12-15 03:41:09,767 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e5c363-0439-4f41-9b3c-154d55c36d6d/bin/ukojak-rkRKPMF4O4/data/bb5daf2fe/a026bdf622a84083b9a017a74b2d1de4 [2022-12-15 03:41:09,774 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 03:41:09,777 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 03:41:09,780 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 03:41:09,781 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 03:41:09,789 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 03:41:09,791 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 03:41:09" (1/1) ... [2022-12-15 03:41:09,794 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e4928a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:41:09, skipping insertion in model container [2022-12-15 03:41:09,794 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 03:41:09" (1/1) ... [2022-12-15 03:41:09,807 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 03:41:09,847 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 03:41:10,109 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_c6e5c363-0439-4f41-9b3c-154d55c36d6d/sv-benchmarks/c/pthread/stack-2.i[41520,41533] [2022-12-15 03:41:10,126 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 03:41:10,135 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 03:41:10,161 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_c6e5c363-0439-4f41-9b3c-154d55c36d6d/sv-benchmarks/c/pthread/stack-2.i[41520,41533] [2022-12-15 03:41:10,168 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 03:41:10,203 INFO L208 MainTranslator]: Completed translation [2022-12-15 03:41:10,203 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:41:10 WrapperNode [2022-12-15 03:41:10,203 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 03:41:10,204 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 03:41:10,204 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 03:41:10,204 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 03:41:10,210 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:41:10" (1/1) ... [2022-12-15 03:41:10,221 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:41:10" (1/1) ... [2022-12-15 03:41:10,239 INFO L138 Inliner]: procedures = 277, calls = 44, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 145 [2022-12-15 03:41:10,239 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 03:41:10,240 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 03:41:10,240 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 03:41:10,240 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 03:41:10,247 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:41:10" (1/1) ... [2022-12-15 03:41:10,247 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:41:10" (1/1) ... [2022-12-15 03:41:10,250 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:41:10" (1/1) ... [2022-12-15 03:41:10,250 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:41:10" (1/1) ... [2022-12-15 03:41:10,254 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:41:10" (1/1) ... [2022-12-15 03:41:10,257 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:41:10" (1/1) ... [2022-12-15 03:41:10,258 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:41:10" (1/1) ... [2022-12-15 03:41:10,259 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:41:10" (1/1) ... [2022-12-15 03:41:10,261 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 03:41:10,262 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 03:41:10,262 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 03:41:10,262 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 03:41:10,262 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:41:10" (1/1) ... [2022-12-15 03:41:10,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 03:41:10,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e5c363-0439-4f41-9b3c-154d55c36d6d/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 03:41:10,286 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e5c363-0439-4f41-9b3c-154d55c36d6d/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 03:41:10,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e5c363-0439-4f41-9b3c-154d55c36d6d/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 03:41:10,315 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2022-12-15 03:41:10,315 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2022-12-15 03:41:10,315 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2022-12-15 03:41:10,315 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2022-12-15 03:41:10,315 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-15 03:41:10,315 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-15 03:41:10,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-15 03:41:10,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-15 03:41:10,315 INFO L130 BoogieDeclarations]: Found specification of procedure get_top [2022-12-15 03:41:10,316 INFO L138 BoogieDeclarations]: Found implementation of procedure get_top [2022-12-15 03:41:10,316 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-15 03:41:10,316 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 03:41:10,316 INFO L130 BoogieDeclarations]: Found specification of procedure error [2022-12-15 03:41:10,316 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2022-12-15 03:41:10,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-15 03:41:10,316 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 03:41:10,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 03:41:10,317 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-15 03:41:10,424 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 03:41:10,426 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 03:41:10,655 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 03:41:10,662 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 03:41:10,662 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-15 03:41:10,663 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 03:41:10 BoogieIcfgContainer [2022-12-15 03:41:10,663 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 03:41:10,664 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 03:41:10,664 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 03:41:10,671 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 03:41:10,672 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 03:41:10" (1/1) ... [2022-12-15 03:41:10,672 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:358) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-12-15 03:41:10,675 INFO L158 Benchmark]: Toolchain (without parser) took 898.45ms. Allocated memory was 140.5MB in the beginning and 169.9MB in the end (delta: 29.4MB). Free memory was 103.1MB in the beginning and 133.1MB in the end (delta: -30.1MB). Peak memory consumption was 550.7kB. Max. memory is 16.1GB. [2022-12-15 03:41:10,676 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 140.5MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 03:41:10,676 INFO L158 Benchmark]: CACSL2BoogieTranslator took 423.29ms. Allocated memory is still 140.5MB. Free memory was 102.5MB in the beginning and 73.7MB in the end (delta: 28.8MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2022-12-15 03:41:10,677 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.35ms. Allocated memory is still 140.5MB. Free memory was 73.7MB in the beginning and 70.9MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 03:41:10,677 INFO L158 Benchmark]: Boogie Preprocessor took 21.44ms. Allocated memory is still 140.5MB. Free memory was 70.9MB in the beginning and 69.0MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 03:41:10,677 INFO L158 Benchmark]: RCFGBuilder took 401.92ms. Allocated memory was 140.5MB in the beginning and 169.9MB in the end (delta: 29.4MB). Free memory was 69.0MB in the beginning and 134.1MB in the end (delta: -65.1MB). Peak memory consumption was 23.6MB. Max. memory is 16.1GB. [2022-12-15 03:41:10,678 INFO L158 Benchmark]: CodeCheck took 10.18ms. Allocated memory is still 169.9MB. Free memory was 134.1MB in the beginning and 133.1MB in the end (delta: 973.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 03:41:10,680 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 140.5MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 423.29ms. Allocated memory is still 140.5MB. Free memory was 102.5MB in the beginning and 73.7MB in the end (delta: 28.8MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.35ms. Allocated memory is still 140.5MB. Free memory was 73.7MB in the beginning and 70.9MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.44ms. Allocated memory is still 140.5MB. Free memory was 70.9MB in the beginning and 69.0MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 401.92ms. Allocated memory was 140.5MB in the beginning and 169.9MB in the end (delta: 29.4MB). Free memory was 69.0MB in the beginning and 134.1MB in the end (delta: -65.1MB). Peak memory consumption was 23.6MB. Max. memory is 16.1GB. * CodeCheck took 10.18ms. Allocated memory is still 169.9MB. Free memory was 134.1MB in the beginning and 133.1MB in the end (delta: 973.2kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-12-15 03:41:10,694 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e5c363-0439-4f41-9b3c-154d55c36d6d/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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_c6e5c363-0439-4f41-9b3c-154d55c36d6d/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e5c363-0439-4f41-9b3c-154d55c36d6d/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_c6e5c363-0439-4f41-9b3c-154d55c36d6d/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e5c363-0439-4f41-9b3c-154d55c36d6d/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/stack-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e5c363-0439-4f41-9b3c-154d55c36d6d/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e5c363-0439-4f41-9b3c-154d55c36d6d/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 1c5d098180a5596f0a60d3177354c69a5ee6da68b8191dc75b6c33b291ef0421 --- 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 [2022-12-15 03:41:12,310 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 03:41:12,311 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 03:41:12,332 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 03:41:12,333 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 03:41:12,334 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 03:41:12,335 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 03:41:12,337 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 03:41:12,339 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 03:41:12,340 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 03:41:12,341 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 03:41:12,342 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 03:41:12,343 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 03:41:12,344 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 03:41:12,345 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 03:41:12,346 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 03:41:12,347 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 03:41:12,348 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 03:41:12,349 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 03:41:12,351 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 03:41:12,353 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 03:41:12,354 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 03:41:12,355 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 03:41:12,356 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 03:41:12,360 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 03:41:12,360 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 03:41:12,360 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 03:41:12,361 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 03:41:12,362 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 03:41:12,363 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 03:41:12,363 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 03:41:12,364 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 03:41:12,365 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 03:41:12,366 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 03:41:12,367 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 03:41:12,367 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 03:41:12,368 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 03:41:12,368 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 03:41:12,368 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 03:41:12,369 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 03:41:12,370 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 03:41:12,371 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e5c363-0439-4f41-9b3c-154d55c36d6d/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2022-12-15 03:41:12,392 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 03:41:12,392 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 03:41:12,393 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 03:41:12,393 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 03:41:12,393 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 03:41:12,393 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 03:41:12,393 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 03:41:12,393 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-15 03:41:12,394 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-15 03:41:12,394 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 03:41:12,394 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 03:41:12,394 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 03:41:12,394 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 03:41:12,394 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-15 03:41:12,394 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-15 03:41:12,394 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-15 03:41:12,394 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-15 03:41:12,394 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 03:41:12,395 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 03:41:12,395 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 03:41:12,395 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 03:41:12,395 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 03:41:12,395 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 03:41:12,395 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 03:41:12,395 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 03:41:12,395 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 03:41:12,395 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 03:41:12,395 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-15 03:41:12,396 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-15 03:41:12,396 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 03:41:12,396 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-12-15 03:41:12,396 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-15 03:41:12,396 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_c6e5c363-0439-4f41-9b3c-154d55c36d6d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e5c363-0439-4f41-9b3c-154d55c36d6d/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1c5d098180a5596f0a60d3177354c69a5ee6da68b8191dc75b6c33b291ef0421 [2022-12-15 03:41:12,593 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 03:41:12,608 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 03:41:12,610 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 03:41:12,611 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 03:41:12,611 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 03:41:12,612 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e5c363-0439-4f41-9b3c-154d55c36d6d/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/pthread/stack-2.i [2022-12-15 03:41:15,083 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 03:41:15,309 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 03:41:15,310 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e5c363-0439-4f41-9b3c-154d55c36d6d/sv-benchmarks/c/pthread/stack-2.i [2022-12-15 03:41:15,322 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e5c363-0439-4f41-9b3c-154d55c36d6d/bin/ukojak-rkRKPMF4O4/data/fb8d5451a/e1c4ac83a4df4d7b925e2244351be3b8/FLAGeed0c37a5 [2022-12-15 03:41:15,638 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e5c363-0439-4f41-9b3c-154d55c36d6d/bin/ukojak-rkRKPMF4O4/data/fb8d5451a/e1c4ac83a4df4d7b925e2244351be3b8 [2022-12-15 03:41:15,639 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 03:41:15,640 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 03:41:15,641 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 03:41:15,641 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 03:41:15,643 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 03:41:15,643 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 03:41:15" (1/1) ... [2022-12-15 03:41:15,644 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2424de6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:41:15, skipping insertion in model container [2022-12-15 03:41:15,644 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 03:41:15" (1/1) ... [2022-12-15 03:41:15,649 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 03:41:15,673 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 03:41:15,963 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_c6e5c363-0439-4f41-9b3c-154d55c36d6d/sv-benchmarks/c/pthread/stack-2.i[41520,41533] [2022-12-15 03:41:15,985 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 03:41:15,999 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 03:41:16,034 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_c6e5c363-0439-4f41-9b3c-154d55c36d6d/sv-benchmarks/c/pthread/stack-2.i[41520,41533] [2022-12-15 03:41:16,043 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 03:41:16,104 INFO L208 MainTranslator]: Completed translation [2022-12-15 03:41:16,104 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:41:16 WrapperNode [2022-12-15 03:41:16,104 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 03:41:16,105 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 03:41:16,106 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 03:41:16,106 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 03:41:16,113 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:41:16" (1/1) ... [2022-12-15 03:41:16,132 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:41:16" (1/1) ... [2022-12-15 03:41:16,155 INFO L138 Inliner]: procedures = 281, calls = 44, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 141 [2022-12-15 03:41:16,155 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 03:41:16,156 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 03:41:16,156 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 03:41:16,156 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 03:41:16,166 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:41:16" (1/1) ... [2022-12-15 03:41:16,166 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:41:16" (1/1) ... [2022-12-15 03:41:16,170 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:41:16" (1/1) ... [2022-12-15 03:41:16,170 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:41:16" (1/1) ... [2022-12-15 03:41:16,180 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:41:16" (1/1) ... [2022-12-15 03:41:16,184 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:41:16" (1/1) ... [2022-12-15 03:41:16,187 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:41:16" (1/1) ... [2022-12-15 03:41:16,188 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:41:16" (1/1) ... [2022-12-15 03:41:16,192 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 03:41:16,193 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 03:41:16,193 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 03:41:16,193 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 03:41:16,194 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:41:16" (1/1) ... [2022-12-15 03:41:16,200 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 03:41:16,211 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e5c363-0439-4f41-9b3c-154d55c36d6d/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 03:41:16,221 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e5c363-0439-4f41-9b3c-154d55c36d6d/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 03:41:16,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e5c363-0439-4f41-9b3c-154d55c36d6d/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 03:41:16,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-12-15 03:41:16,249 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2022-12-15 03:41:16,249 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2022-12-15 03:41:16,249 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2022-12-15 03:41:16,249 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2022-12-15 03:41:16,249 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-15 03:41:16,249 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-15 03:41:16,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-12-15 03:41:16,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-15 03:41:16,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-12-15 03:41:16,250 INFO L130 BoogieDeclarations]: Found specification of procedure get_top [2022-12-15 03:41:16,250 INFO L138 BoogieDeclarations]: Found implementation of procedure get_top [2022-12-15 03:41:16,250 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-15 03:41:16,250 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 03:41:16,250 INFO L130 BoogieDeclarations]: Found specification of procedure error [2022-12-15 03:41:16,250 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2022-12-15 03:41:16,250 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 03:41:16,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 03:41:16,252 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-15 03:41:16,362 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 03:41:16,364 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 03:41:16,610 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 03:41:16,618 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 03:41:16,618 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-15 03:41:16,620 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 03:41:16 BoogieIcfgContainer [2022-12-15 03:41:16,621 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 03:41:16,621 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 03:41:16,621 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 03:41:16,631 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 03:41:16,631 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 03:41:16" (1/1) ... [2022-12-15 03:41:16,632 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:358) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-12-15 03:41:16,636 INFO L158 Benchmark]: Toolchain (without parser) took 994.75ms. Allocated memory was 60.8MB in the beginning and 73.4MB in the end (delta: 12.6MB). Free memory was 37.3MB in the beginning and 39.8MB in the end (delta: -2.4MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. [2022-12-15 03:41:16,636 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 48.2MB. Free memory was 27.2MB in the beginning and 27.1MB in the end (delta: 52.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 03:41:16,637 INFO L158 Benchmark]: CACSL2BoogieTranslator took 463.77ms. Allocated memory was 60.8MB in the beginning and 73.4MB in the end (delta: 12.6MB). Free memory was 37.1MB in the beginning and 48.4MB in the end (delta: -11.2MB). Peak memory consumption was 18.8MB. Max. memory is 16.1GB. [2022-12-15 03:41:16,638 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.20ms. Allocated memory is still 73.4MB. Free memory was 48.4MB in the beginning and 45.5MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 03:41:16,638 INFO L158 Benchmark]: Boogie Preprocessor took 36.32ms. Allocated memory is still 73.4MB. Free memory was 45.5MB in the beginning and 43.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 03:41:16,639 INFO L158 Benchmark]: RCFGBuilder took 427.60ms. Allocated memory is still 73.4MB. Free memory was 43.4MB in the beginning and 40.9MB in the end (delta: 2.5MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. [2022-12-15 03:41:16,639 INFO L158 Benchmark]: CodeCheck took 12.96ms. Allocated memory is still 73.4MB. Free memory was 40.9MB in the beginning and 39.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 03:41:16,643 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 48.2MB. Free memory was 27.2MB in the beginning and 27.1MB in the end (delta: 52.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 463.77ms. Allocated memory was 60.8MB in the beginning and 73.4MB in the end (delta: 12.6MB). Free memory was 37.1MB in the beginning and 48.4MB in the end (delta: -11.2MB). Peak memory consumption was 18.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.20ms. Allocated memory is still 73.4MB. Free memory was 48.4MB in the beginning and 45.5MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.32ms. Allocated memory is still 73.4MB. Free memory was 45.5MB in the beginning and 43.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 427.60ms. Allocated memory is still 73.4MB. Free memory was 43.4MB in the beginning and 40.9MB in the end (delta: 2.5MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. * CodeCheck took 12.96ms. Allocated memory is still 73.4MB. Free memory was 40.9MB in the beginning and 39.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-12-15 03:41:16,659 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e5c363-0439-4f41-9b3c-154d55c36d6d/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported