./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-ext/36_stack_cas_p0_vs_concur.i --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_3e384179-577f-415d-adff-0209c37a8e20/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e384179-577f-415d-adff-0209c37a8e20/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_3e384179-577f-415d-adff-0209c37a8e20/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e384179-577f-415d-adff-0209c37a8e20/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/36_stack_cas_p0_vs_concur.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e384179-577f-415d-adff-0209c37a8e20/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_3e384179-577f-415d-adff-0209c37a8e20/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 e7fe0631e7f950e2868c8cb954edca4f6de3fdffbf6debba58771511fbac2e8b --- 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 16:32:08,292 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:32:08,294 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:32:08,338 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:32:08,339 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:32:08,342 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:32:08,345 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:32:08,351 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:32:08,354 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:32:08,360 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:32:08,364 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:32:08,367 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:32:08,368 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:32:08,371 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:32:08,374 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:32:08,376 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:32:08,379 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:32:08,380 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:32:08,382 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:32:08,390 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:32:08,392 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:32:08,394 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:32:08,398 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:32:08,399 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:32:08,410 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:32:08,410 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:32:08,411 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:32:08,413 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:32:08,413 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:32:08,415 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:32:08,415 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:32:08,416 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:32:08,417 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:32:08,418 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:32:08,419 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:32:08,420 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:32:08,421 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:32:08,421 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:32:08,421 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:32:08,422 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:32:08,423 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:32:08,424 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e384179-577f-415d-adff-0209c37a8e20/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:32:08,476 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:32:08,479 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:32:08,480 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:32:08,481 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:32:08,482 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:32:08,482 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:32:08,482 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:32:08,482 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:32:08,483 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:32:08,483 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:32:08,484 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:32:08,484 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:32:08,485 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:32:08,485 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:32:08,485 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:32:08,485 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:32:08,486 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:32:08,486 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:32:08,486 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:32:08,486 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:32:08,487 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:32:08,487 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:32:08,487 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:32:08,488 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:32:08,488 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:32:08,488 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:32:08,488 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:32:08,489 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:32:08,489 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_3e384179-577f-415d-adff-0209c37a8e20/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e384179-577f-415d-adff-0209c37a8e20/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e7fe0631e7f950e2868c8cb954edca4f6de3fdffbf6debba58771511fbac2e8b [2022-10-17 16:32:08,801 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:32:08,830 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:32:08,833 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:32:08,834 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:32:08,835 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:32:08,837 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e384179-577f-415d-adff-0209c37a8e20/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/pthread-ext/36_stack_cas_p0_vs_concur.i [2022-10-17 16:32:08,903 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e384179-577f-415d-adff-0209c37a8e20/bin/ukojak-92XMlrwhuB/data/8c1f709a5/4ef1bf46258440f495f2c0694bb6b855/FLAG5121bae8b [2022-10-17 16:32:09,493 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:32:09,493 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e384179-577f-415d-adff-0209c37a8e20/sv-benchmarks/c/pthread-ext/36_stack_cas_p0_vs_concur.i [2022-10-17 16:32:09,512 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e384179-577f-415d-adff-0209c37a8e20/bin/ukojak-92XMlrwhuB/data/8c1f709a5/4ef1bf46258440f495f2c0694bb6b855/FLAG5121bae8b [2022-10-17 16:32:09,781 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e384179-577f-415d-adff-0209c37a8e20/bin/ukojak-92XMlrwhuB/data/8c1f709a5/4ef1bf46258440f495f2c0694bb6b855 [2022-10-17 16:32:09,783 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:32:09,784 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:32:09,786 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:32:09,786 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:32:09,789 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:32:09,790 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:32:09" (1/1) ... [2022-10-17 16:32:09,791 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75d8cbf5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:32:09, skipping insertion in model container [2022-10-17 16:32:09,791 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:32:09" (1/1) ... [2022-10-17 16:32:09,801 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:32:09,869 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:32:10,308 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_3e384179-577f-415d-adff-0209c37a8e20/sv-benchmarks/c/pthread-ext/36_stack_cas_p0_vs_concur.i[30687,30700] [2022-10-17 16:32:10,314 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:32:10,325 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:32:10,364 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_3e384179-577f-415d-adff-0209c37a8e20/sv-benchmarks/c/pthread-ext/36_stack_cas_p0_vs_concur.i[30687,30700] [2022-10-17 16:32:10,366 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:32:10,407 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:32:10,408 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:32:10 WrapperNode [2022-10-17 16:32:10,408 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:32:10,409 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:32:10,410 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:32:10,410 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:32:10,423 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:32:10" (1/1) ... [2022-10-17 16:32:10,439 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:32:10" (1/1) ... [2022-10-17 16:32:10,463 INFO L138 Inliner]: procedures = 170, calls = 35, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 102 [2022-10-17 16:32:10,463 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:32:10,464 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:32:10,464 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:32:10,464 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:32:10,473 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:32:10" (1/1) ... [2022-10-17 16:32:10,474 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:32:10" (1/1) ... [2022-10-17 16:32:10,477 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:32:10" (1/1) ... [2022-10-17 16:32:10,477 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:32:10" (1/1) ... [2022-10-17 16:32:10,483 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:32:10" (1/1) ... [2022-10-17 16:32:10,487 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:32:10" (1/1) ... [2022-10-17 16:32:10,490 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:32:10" (1/1) ... [2022-10-17 16:32:10,491 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:32:10" (1/1) ... [2022-10-17 16:32:10,495 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:32:10,496 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:32:10,496 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:32:10,496 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:32:10,497 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:32:10" (1/1) ... [2022-10-17 16:32:10,512 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:32:10,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e384179-577f-415d-adff-0209c37a8e20/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:32:10,535 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e384179-577f-415d-adff-0209c37a8e20/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:32:10,537 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e384179-577f-415d-adff-0209c37a8e20/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:32:10,572 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:32:10,572 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-10-17 16:32:10,573 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-10-17 16:32:10,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:32:10,573 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:32:10,573 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:32:10,573 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:32:10,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:32:10,574 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:32:10,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:32:10,576 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-10-17 16:32:10,699 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:32:10,701 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:32:11,006 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:32:11,100 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:32:11,100 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-10-17 16:32:11,103 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:32:11 BoogieIcfgContainer [2022-10-17 16:32:11,103 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:32:11,104 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:32:11,104 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:32:11,117 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:32:11,117 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:32:11" (1/1) ... [2022-10-17 16:32:11,118 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) [2022-10-17 16:32:11,129 INFO L158 Benchmark]: Toolchain (without parser) took 1342.26ms. Allocated memory was 92.3MB in the beginning and 117.4MB in the end (delta: 25.2MB). Free memory was 53.2MB in the beginning and 57.7MB in the end (delta: -4.5MB). Peak memory consumption was 18.7MB. Max. memory is 16.1GB. [2022-10-17 16:32:11,130 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 92.3MB. Free memory is still 71.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:32:11,131 INFO L158 Benchmark]: CACSL2BoogieTranslator took 623.04ms. Allocated memory was 92.3MB in the beginning and 117.4MB in the end (delta: 25.2MB). Free memory was 52.9MB in the beginning and 81.4MB in the end (delta: -28.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-10-17 16:32:11,133 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.00ms. Allocated memory is still 117.4MB. Free memory was 81.4MB in the beginning and 79.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:32:11,134 INFO L158 Benchmark]: Boogie Preprocessor took 30.81ms. Allocated memory is still 117.4MB. Free memory was 79.3MB in the beginning and 77.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:32:11,135 INFO L158 Benchmark]: RCFGBuilder took 607.26ms. Allocated memory is still 117.4MB. Free memory was 77.7MB in the beginning and 58.8MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-10-17 16:32:11,137 INFO L158 Benchmark]: CodeCheck took 21.75ms. Allocated memory is still 117.4MB. Free memory was 58.8MB in the beginning and 57.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:32:11,147 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 0.33ms. Allocated memory is still 92.3MB. Free memory is still 71.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 623.04ms. Allocated memory was 92.3MB in the beginning and 117.4MB in the end (delta: 25.2MB). Free memory was 52.9MB in the beginning and 81.4MB in the end (delta: -28.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.00ms. Allocated memory is still 117.4MB. Free memory was 81.4MB in the beginning and 79.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.81ms. Allocated memory is still 117.4MB. Free memory was 79.3MB in the beginning and 77.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 607.26ms. Allocated memory is still 117.4MB. Free memory was 77.7MB in the beginning and 58.8MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 21.75ms. Allocated memory is still 117.4MB. Free memory was 58.8MB in the beginning and 57.7MB 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. [2022-10-17 16:32:11,199 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e384179-577f-415d-adff-0209c37a8e20/bin/ukojak-92XMlrwhuB/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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e384179-577f-415d-adff-0209c37a8e20/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e384179-577f-415d-adff-0209c37a8e20/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_3e384179-577f-415d-adff-0209c37a8e20/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e384179-577f-415d-adff-0209c37a8e20/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/36_stack_cas_p0_vs_concur.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e384179-577f-415d-adff-0209c37a8e20/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e384179-577f-415d-adff-0209c37a8e20/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 e7fe0631e7f950e2868c8cb954edca4f6de3fdffbf6debba58771511fbac2e8b --- 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 16:32:13,726 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:32:13,730 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:32:13,790 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:32:13,791 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:32:13,796 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:32:13,799 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:32:13,805 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:32:13,812 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:32:13,818 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:32:13,821 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:32:13,824 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:32:13,825 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:32:13,828 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:32:13,829 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:32:13,831 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:32:13,833 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:32:13,834 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:32:13,837 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:32:13,846 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:32:13,848 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:32:13,850 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:32:13,853 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:32:13,856 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:32:13,866 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:32:13,867 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:32:13,867 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:32:13,869 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:32:13,870 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:32:13,871 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:32:13,872 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:32:13,873 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:32:13,875 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:32:13,876 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:32:13,877 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:32:13,878 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:32:13,879 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:32:13,879 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:32:13,880 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:32:13,882 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:32:13,883 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:32:13,884 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e384179-577f-415d-adff-0209c37a8e20/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2022-10-17 16:32:13,926 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:32:13,926 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:32:13,929 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:32:13,929 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:32:13,931 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:32:13,931 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:32:13,932 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:32:13,932 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:32:13,932 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:32:13,933 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:32:13,934 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:32:13,934 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:32:13,935 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:32:13,935 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-10-17 16:32:13,935 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-10-17 16:32:13,935 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-10-17 16:32:13,936 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:32:13,936 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:32:13,936 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:32:13,937 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:32:13,937 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:32:13,937 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:32:13,938 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:32:13,938 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:32:13,938 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:32:13,939 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:32:13,939 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:32:13,939 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-10-17 16:32:13,940 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-10-17 16:32:13,940 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:32:13,940 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-10-17 16:32:13,940 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-10-17 16:32:13,941 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_3e384179-577f-415d-adff-0209c37a8e20/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e384179-577f-415d-adff-0209c37a8e20/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e7fe0631e7f950e2868c8cb954edca4f6de3fdffbf6debba58771511fbac2e8b [2022-10-17 16:32:14,369 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:32:14,415 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:32:14,419 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:32:14,420 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:32:14,421 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:32:14,423 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e384179-577f-415d-adff-0209c37a8e20/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/pthread-ext/36_stack_cas_p0_vs_concur.i [2022-10-17 16:32:14,505 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e384179-577f-415d-adff-0209c37a8e20/bin/ukojak-92XMlrwhuB/data/97b650f39/2f0a5f889642498f85b9580ed534a477/FLAGcc03a9288 [2022-10-17 16:32:15,173 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:32:15,178 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e384179-577f-415d-adff-0209c37a8e20/sv-benchmarks/c/pthread-ext/36_stack_cas_p0_vs_concur.i [2022-10-17 16:32:15,197 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e384179-577f-415d-adff-0209c37a8e20/bin/ukojak-92XMlrwhuB/data/97b650f39/2f0a5f889642498f85b9580ed534a477/FLAGcc03a9288 [2022-10-17 16:32:15,415 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e384179-577f-415d-adff-0209c37a8e20/bin/ukojak-92XMlrwhuB/data/97b650f39/2f0a5f889642498f85b9580ed534a477 [2022-10-17 16:32:15,417 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:32:15,420 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:32:15,424 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:32:15,424 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:32:15,427 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:32:15,428 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:32:15" (1/1) ... [2022-10-17 16:32:15,429 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7320256e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:32:15, skipping insertion in model container [2022-10-17 16:32:15,430 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:32:15" (1/1) ... [2022-10-17 16:32:15,437 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:32:15,511 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:32:15,994 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_3e384179-577f-415d-adff-0209c37a8e20/sv-benchmarks/c/pthread-ext/36_stack_cas_p0_vs_concur.i[30687,30700] [2022-10-17 16:32:16,008 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:32:16,028 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:32:16,113 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_3e384179-577f-415d-adff-0209c37a8e20/sv-benchmarks/c/pthread-ext/36_stack_cas_p0_vs_concur.i[30687,30700] [2022-10-17 16:32:16,119 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:32:16,182 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:32:16,184 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:32:16 WrapperNode [2022-10-17 16:32:16,184 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:32:16,185 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:32:16,186 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:32:16,186 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:32:16,195 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:32:16" (1/1) ... [2022-10-17 16:32:16,232 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:32:16" (1/1) ... [2022-10-17 16:32:16,281 INFO L138 Inliner]: procedures = 174, calls = 35, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 103 [2022-10-17 16:32:16,281 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:32:16,283 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:32:16,283 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:32:16,284 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:32:16,294 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:32:16" (1/1) ... [2022-10-17 16:32:16,294 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:32:16" (1/1) ... [2022-10-17 16:32:16,309 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:32:16" (1/1) ... [2022-10-17 16:32:16,310 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:32:16" (1/1) ... [2022-10-17 16:32:16,316 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:32:16" (1/1) ... [2022-10-17 16:32:16,321 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:32:16" (1/1) ... [2022-10-17 16:32:16,324 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:32:16" (1/1) ... [2022-10-17 16:32:16,327 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:32:16" (1/1) ... [2022-10-17 16:32:16,331 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:32:16,332 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:32:16,333 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:32:16,333 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:32:16,334 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:32:16" (1/1) ... [2022-10-17 16:32:16,340 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:32:16,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e384179-577f-415d-adff-0209c37a8e20/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:32:16,372 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e384179-577f-415d-adff-0209c37a8e20/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:32:16,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e384179-577f-415d-adff-0209c37a8e20/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:32:16,418 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-10-17 16:32:16,426 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-10-17 16:32:16,426 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-10-17 16:32:16,427 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:32:16,427 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:32:16,427 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:32:16,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-10-17 16:32:16,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-10-17 16:32:16,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-10-17 16:32:16,430 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:32:16,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:32:16,432 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-10-17 16:32:16,694 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:32:16,696 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:32:17,041 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:32:17,146 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:32:17,147 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-10-17 16:32:17,156 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:32:17 BoogieIcfgContainer [2022-10-17 16:32:17,159 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:32:17,160 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:32:17,160 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:32:17,171 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:32:17,171 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:32:17" (1/1) ... [2022-10-17 16:32:17,172 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) [2022-10-17 16:32:17,180 INFO L158 Benchmark]: Toolchain (without parser) took 1757.82ms. Allocated memory was 54.5MB in the beginning and 67.1MB in the end (delta: 12.6MB). Free memory was 28.4MB in the beginning and 28.5MB in the end (delta: -44.4kB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. [2022-10-17 16:32:17,182 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 54.5MB. Free memory was 34.4MB in the beginning and 34.4MB in the end (delta: 38.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:32:17,183 INFO L158 Benchmark]: CACSL2BoogieTranslator took 760.91ms. Allocated memory was 54.5MB in the beginning and 67.1MB in the end (delta: 12.6MB). Free memory was 28.2MB in the beginning and 38.9MB in the end (delta: -10.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-10-17 16:32:17,184 INFO L158 Benchmark]: Boogie Procedure Inliner took 96.21ms. Allocated memory is still 67.1MB. Free memory was 38.8MB in the beginning and 36.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:32:17,185 INFO L158 Benchmark]: Boogie Preprocessor took 48.70ms. Allocated memory is still 67.1MB. Free memory was 36.5MB in the beginning and 34.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:32:17,186 INFO L158 Benchmark]: RCFGBuilder took 826.70ms. Allocated memory is still 67.1MB. Free memory was 34.7MB in the beginning and 29.4MB in the end (delta: 5.3MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. [2022-10-17 16:32:17,186 INFO L158 Benchmark]: CodeCheck took 17.02ms. Allocated memory is still 67.1MB. Free memory was 29.4MB in the beginning and 28.5MB in the end (delta: 973.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:32:17,190 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 0.32ms. Allocated memory is still 54.5MB. Free memory was 34.4MB in the beginning and 34.4MB in the end (delta: 38.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 760.91ms. Allocated memory was 54.5MB in the beginning and 67.1MB in the end (delta: 12.6MB). Free memory was 28.2MB in the beginning and 38.9MB in the end (delta: -10.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 96.21ms. Allocated memory is still 67.1MB. Free memory was 38.8MB in the beginning and 36.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.70ms. Allocated memory is still 67.1MB. Free memory was 36.5MB in the beginning and 34.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 826.70ms. Allocated memory is still 67.1MB. Free memory was 34.7MB in the beginning and 29.4MB in the end (delta: 5.3MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. * CodeCheck took 17.02ms. Allocated memory is still 67.1MB. Free memory was 29.4MB in the beginning and 28.5MB in the end (delta: 973.9kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-10-17 16:32:17,247 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e384179-577f-415d-adff-0209c37a8e20/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with 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