./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/pthread/stack_longer-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dcc2aaa-8461-4480-863e-ca39d302b252/bin/ukojak-CydTVMUXoH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dcc2aaa-8461-4480-863e-ca39d302b252/bin/ukojak-CydTVMUXoH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dcc2aaa-8461-4480-863e-ca39d302b252/bin/ukojak-CydTVMUXoH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dcc2aaa-8461-4480-863e-ca39d302b252/bin/ukojak-CydTVMUXoH/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread/stack_longer-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dcc2aaa-8461-4480-863e-ca39d302b252/bin/ukojak-CydTVMUXoH/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dcc2aaa-8461-4480-863e-ca39d302b252/bin/ukojak-CydTVMUXoH --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 402cb3c5f3290109e83e598d96446a87fac59fa4aaa0b6234366e7da005f5688 --- 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-e04fb08 [2022-11-16 08:16:33,670 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 08:16:33,672 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 08:16:33,701 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 08:16:33,702 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 08:16:33,705 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 08:16:33,707 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 08:16:33,710 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 08:16:33,712 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 08:16:33,717 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 08:16:33,719 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 08:16:33,720 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 08:16:33,722 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 08:16:33,724 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 08:16:33,726 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 08:16:33,727 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 08:16:33,729 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 08:16:33,733 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 08:16:33,735 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 08:16:33,736 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 08:16:33,740 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 08:16:33,741 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 08:16:33,744 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 08:16:33,745 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 08:16:33,752 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 08:16:33,753 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 08:16:33,753 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 08:16:33,754 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 08:16:33,755 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 08:16:33,756 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 08:16:33,756 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 08:16:33,757 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 08:16:33,758 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 08:16:33,758 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 08:16:33,760 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 08:16:33,760 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 08:16:33,761 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 08:16:33,761 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 08:16:33,761 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 08:16:33,762 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 08:16:33,763 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 08:16:33,764 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dcc2aaa-8461-4480-863e-ca39d302b252/bin/ukojak-CydTVMUXoH/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2022-11-16 08:16:33,806 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 08:16:33,810 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 08:16:33,813 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 08:16:33,813 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 08:16:33,814 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 08:16:33,814 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 08:16:33,814 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 08:16:33,814 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 08:16:33,815 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 08:16:33,815 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 08:16:33,816 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-16 08:16:33,816 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-16 08:16:33,817 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-16 08:16:33,817 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 08:16:33,817 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 08:16:33,818 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 08:16:33,818 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-16 08:16:33,818 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-16 08:16:33,819 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 08:16:33,819 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-16 08:16:33,819 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 08:16:33,820 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 08:16:33,820 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-16 08:16:33,820 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 08:16:33,820 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_0dcc2aaa-8461-4480-863e-ca39d302b252/bin/ukojak-CydTVMUXoH/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dcc2aaa-8461-4480-863e-ca39d302b252/bin/ukojak-CydTVMUXoH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 402cb3c5f3290109e83e598d96446a87fac59fa4aaa0b6234366e7da005f5688 [2022-11-16 08:16:34,119 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 08:16:34,144 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 08:16:34,148 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 08:16:34,150 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 08:16:34,151 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 08:16:34,152 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dcc2aaa-8461-4480-863e-ca39d302b252/bin/ukojak-CydTVMUXoH/../../sv-benchmarks/c/pthread/stack_longer-2.i [2022-11-16 08:16:34,228 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dcc2aaa-8461-4480-863e-ca39d302b252/bin/ukojak-CydTVMUXoH/data/79160ef7b/4f37b187619f4251a1dd61b164bcf6db/FLAG173c63774 [2022-11-16 08:16:34,847 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 08:16:34,848 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dcc2aaa-8461-4480-863e-ca39d302b252/sv-benchmarks/c/pthread/stack_longer-2.i [2022-11-16 08:16:34,861 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dcc2aaa-8461-4480-863e-ca39d302b252/bin/ukojak-CydTVMUXoH/data/79160ef7b/4f37b187619f4251a1dd61b164bcf6db/FLAG173c63774 [2022-11-16 08:16:35,073 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dcc2aaa-8461-4480-863e-ca39d302b252/bin/ukojak-CydTVMUXoH/data/79160ef7b/4f37b187619f4251a1dd61b164bcf6db [2022-11-16 08:16:35,076 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 08:16:35,077 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 08:16:35,079 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 08:16:35,079 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 08:16:35,084 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 08:16:35,085 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:16:35" (1/1) ... [2022-11-16 08:16:35,087 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55d2a580 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:16:35, skipping insertion in model container [2022-11-16 08:16:35,087 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:16:35" (1/1) ... [2022-11-16 08:16:35,094 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 08:16:35,170 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 08:16:35,776 WARN L229 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_0dcc2aaa-8461-4480-863e-ca39d302b252/sv-benchmarks/c/pthread/stack_longer-2.i[41529,41542] [2022-11-16 08:16:35,817 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 08:16:35,829 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 08:16:35,864 WARN L229 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_0dcc2aaa-8461-4480-863e-ca39d302b252/sv-benchmarks/c/pthread/stack_longer-2.i[41529,41542] [2022-11-16 08:16:35,873 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 08:16:35,927 INFO L208 MainTranslator]: Completed translation [2022-11-16 08:16:35,928 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:16:35 WrapperNode [2022-11-16 08:16:35,928 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 08:16:35,929 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 08:16:35,929 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 08:16:35,929 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 08:16:35,936 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:16:35" (1/1) ... [2022-11-16 08:16:35,956 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:16:35" (1/1) ... [2022-11-16 08:16:35,982 INFO L138 Inliner]: procedures = 277, calls = 40, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 150 [2022-11-16 08:16:35,983 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 08:16:35,983 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 08:16:35,984 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 08:16:35,984 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 08:16:35,993 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:16:35" (1/1) ... [2022-11-16 08:16:35,993 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:16:35" (1/1) ... [2022-11-16 08:16:36,012 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:16:35" (1/1) ... [2022-11-16 08:16:36,015 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:16:35" (1/1) ... [2022-11-16 08:16:36,022 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:16:35" (1/1) ... [2022-11-16 08:16:36,031 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:16:35" (1/1) ... [2022-11-16 08:16:36,038 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:16:35" (1/1) ... [2022-11-16 08:16:36,044 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:16:35" (1/1) ... [2022-11-16 08:16:36,047 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 08:16:36,048 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 08:16:36,048 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 08:16:36,048 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 08:16:36,049 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:16:35" (1/1) ... [2022-11-16 08:16:36,068 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-16 08:16:36,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dcc2aaa-8461-4480-863e-ca39d302b252/bin/ukojak-CydTVMUXoH/z3 [2022-11-16 08:16:36,090 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dcc2aaa-8461-4480-863e-ca39d302b252/bin/ukojak-CydTVMUXoH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-16 08:16:36,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dcc2aaa-8461-4480-863e-ca39d302b252/bin/ukojak-CydTVMUXoH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-16 08:16:36,139 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2022-11-16 08:16:36,140 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2022-11-16 08:16:36,141 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2022-11-16 08:16:36,142 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2022-11-16 08:16:36,142 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 08:16:36,142 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 08:16:36,145 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 08:16:36,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 08:16:36,145 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-16 08:16:36,145 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 08:16:36,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 08:16:36,146 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 08:16:36,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 08:16:36,148 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-16 08:16:36,284 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 08:16:36,286 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 08:16:36,694 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 08:16:36,716 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 08:16:36,716 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-16 08:16:36,718 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 08:16:36 BoogieIcfgContainer [2022-11-16 08:16:36,719 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 08:16:36,720 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-16 08:16:36,720 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-16 08:16:36,745 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-16 08:16:36,745 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 08:16:36" (1/1) ... [2022-11-16 08:16:36,746 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) [2022-11-16 08:16:36,752 INFO L158 Benchmark]: Toolchain (without parser) took 1672.62ms. Allocated memory was 119.5MB in the beginning and 155.2MB in the end (delta: 35.7MB). Free memory was 73.4MB in the beginning and 127.9MB in the end (delta: -54.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 08:16:36,753 INFO L158 Benchmark]: CDTParser took 0.60ms. Allocated memory is still 119.5MB. Free memory is still 91.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 08:16:36,754 INFO L158 Benchmark]: CACSL2BoogieTranslator took 849.24ms. Allocated memory is still 119.5MB. Free memory was 73.2MB in the beginning and 74.1MB in the end (delta: -958.8kB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. [2022-11-16 08:16:36,756 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.07ms. Allocated memory is still 119.5MB. Free memory was 73.7MB in the beginning and 71.1MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-16 08:16:36,757 INFO L158 Benchmark]: Boogie Preprocessor took 63.78ms. Allocated memory is still 119.5MB. Free memory was 71.1MB in the beginning and 69.5MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 08:16:36,758 INFO L158 Benchmark]: RCFGBuilder took 670.83ms. Allocated memory was 119.5MB in the beginning and 155.2MB in the end (delta: 35.7MB). Free memory was 69.5MB in the beginning and 128.9MB in the end (delta: -59.4MB). Peak memory consumption was 26.2MB. Max. memory is 16.1GB. [2022-11-16 08:16:36,759 INFO L158 Benchmark]: CodeCheck took 29.48ms. Allocated memory is still 155.2MB. Free memory was 128.8MB in the beginning and 127.9MB in the end (delta: 970.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 08:16:36,769 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 0.60ms. Allocated memory is still 119.5MB. Free memory is still 91.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 849.24ms. Allocated memory is still 119.5MB. Free memory was 73.2MB in the beginning and 74.1MB in the end (delta: -958.8kB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.07ms. Allocated memory is still 119.5MB. Free memory was 73.7MB in the beginning and 71.1MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.78ms. Allocated memory is still 119.5MB. Free memory was 71.1MB in the beginning and 69.5MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 670.83ms. Allocated memory was 119.5MB in the beginning and 155.2MB in the end (delta: 35.7MB). Free memory was 69.5MB in the beginning and 128.9MB in the end (delta: -59.4MB). Peak memory consumption was 26.2MB. Max. memory is 16.1GB. * CodeCheck took 29.48ms. Allocated memory is still 155.2MB. Free memory was 128.8MB in the beginning and 127.9MB in the end (delta: 970.9kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-16 08:16:36,803 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dcc2aaa-8461-4480-863e-ca39d302b252/bin/ukojak-CydTVMUXoH/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dcc2aaa-8461-4480-863e-ca39d302b252/bin/ukojak-CydTVMUXoH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dcc2aaa-8461-4480-863e-ca39d302b252/bin/ukojak-CydTVMUXoH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dcc2aaa-8461-4480-863e-ca39d302b252/bin/ukojak-CydTVMUXoH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dcc2aaa-8461-4480-863e-ca39d302b252/bin/ukojak-CydTVMUXoH/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread/stack_longer-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dcc2aaa-8461-4480-863e-ca39d302b252/bin/ukojak-CydTVMUXoH/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dcc2aaa-8461-4480-863e-ca39d302b252/bin/ukojak-CydTVMUXoH --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 402cb3c5f3290109e83e598d96446a87fac59fa4aaa0b6234366e7da005f5688 --- 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-e04fb08 [2022-11-16 08:16:39,065 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 08:16:39,067 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 08:16:39,096 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 08:16:39,099 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 08:16:39,103 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 08:16:39,106 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 08:16:39,110 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 08:16:39,113 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 08:16:39,118 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 08:16:39,122 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 08:16:39,124 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 08:16:39,125 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 08:16:39,127 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 08:16:39,129 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 08:16:39,134 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 08:16:39,135 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 08:16:39,136 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 08:16:39,138 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 08:16:39,142 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 08:16:39,146 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 08:16:39,147 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 08:16:39,149 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 08:16:39,151 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 08:16:39,157 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 08:16:39,157 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 08:16:39,158 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 08:16:39,159 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 08:16:39,159 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 08:16:39,160 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 08:16:39,160 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 08:16:39,161 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 08:16:39,161 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 08:16:39,162 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 08:16:39,163 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 08:16:39,163 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 08:16:39,164 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 08:16:39,164 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 08:16:39,165 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 08:16:39,165 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 08:16:39,166 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 08:16:39,169 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dcc2aaa-8461-4480-863e-ca39d302b252/bin/ukojak-CydTVMUXoH/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2022-11-16 08:16:39,208 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 08:16:39,209 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 08:16:39,210 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 08:16:39,210 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 08:16:39,211 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 08:16:39,211 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 08:16:39,211 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 08:16:39,211 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 08:16:39,212 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 08:16:39,212 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 08:16:39,212 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-16 08:16:39,212 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-16 08:16:39,213 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-16 08:16:39,213 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 08:16:39,213 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-16 08:16:39,213 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-16 08:16:39,214 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-16 08:16:39,214 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 08:16:39,214 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 08:16:39,214 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-16 08:16:39,215 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-16 08:16:39,215 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 08:16:39,215 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-16 08:16:39,215 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 08:16:39,216 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 08:16:39,216 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-16 08:16:39,216 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-16 08:16:39,216 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-11-16 08:16:39,217 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-16 08:16:39,217 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_0dcc2aaa-8461-4480-863e-ca39d302b252/bin/ukojak-CydTVMUXoH/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dcc2aaa-8461-4480-863e-ca39d302b252/bin/ukojak-CydTVMUXoH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 402cb3c5f3290109e83e598d96446a87fac59fa4aaa0b6234366e7da005f5688 [2022-11-16 08:16:39,646 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 08:16:39,676 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 08:16:39,679 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 08:16:39,681 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 08:16:39,683 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 08:16:39,684 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dcc2aaa-8461-4480-863e-ca39d302b252/bin/ukojak-CydTVMUXoH/../../sv-benchmarks/c/pthread/stack_longer-2.i [2022-11-16 08:16:39,751 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dcc2aaa-8461-4480-863e-ca39d302b252/bin/ukojak-CydTVMUXoH/data/a6cb16a41/7811e3b130964b1bbf8a5fd917b385d7/FLAG821b500fa [2022-11-16 08:16:40,381 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 08:16:40,382 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dcc2aaa-8461-4480-863e-ca39d302b252/sv-benchmarks/c/pthread/stack_longer-2.i [2022-11-16 08:16:40,422 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dcc2aaa-8461-4480-863e-ca39d302b252/bin/ukojak-CydTVMUXoH/data/a6cb16a41/7811e3b130964b1bbf8a5fd917b385d7/FLAG821b500fa [2022-11-16 08:16:40,676 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dcc2aaa-8461-4480-863e-ca39d302b252/bin/ukojak-CydTVMUXoH/data/a6cb16a41/7811e3b130964b1bbf8a5fd917b385d7 [2022-11-16 08:16:40,679 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 08:16:40,680 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 08:16:40,682 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 08:16:40,682 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 08:16:40,690 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 08:16:40,691 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:16:40" (1/1) ... [2022-11-16 08:16:40,692 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34ea02fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:16:40, skipping insertion in model container [2022-11-16 08:16:40,694 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:16:40" (1/1) ... [2022-11-16 08:16:40,702 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 08:16:40,754 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 08:16:41,352 WARN L229 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_0dcc2aaa-8461-4480-863e-ca39d302b252/sv-benchmarks/c/pthread/stack_longer-2.i[41529,41542] [2022-11-16 08:16:41,389 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 08:16:41,413 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 08:16:41,475 WARN L229 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_0dcc2aaa-8461-4480-863e-ca39d302b252/sv-benchmarks/c/pthread/stack_longer-2.i[41529,41542] [2022-11-16 08:16:41,488 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 08:16:41,583 INFO L208 MainTranslator]: Completed translation [2022-11-16 08:16:41,584 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:16:41 WrapperNode [2022-11-16 08:16:41,584 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 08:16:41,585 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 08:16:41,585 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 08:16:41,585 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 08:16:41,592 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:16:41" (1/1) ... [2022-11-16 08:16:41,625 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:16:41" (1/1) ... [2022-11-16 08:16:41,664 INFO L138 Inliner]: procedures = 281, calls = 40, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 147 [2022-11-16 08:16:41,664 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 08:16:41,665 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 08:16:41,665 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 08:16:41,666 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 08:16:41,675 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:16:41" (1/1) ... [2022-11-16 08:16:41,675 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:16:41" (1/1) ... [2022-11-16 08:16:41,688 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:16:41" (1/1) ... [2022-11-16 08:16:41,691 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:16:41" (1/1) ... [2022-11-16 08:16:41,699 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:16:41" (1/1) ... [2022-11-16 08:16:41,713 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:16:41" (1/1) ... [2022-11-16 08:16:41,719 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:16:41" (1/1) ... [2022-11-16 08:16:41,730 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:16:41" (1/1) ... [2022-11-16 08:16:41,734 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 08:16:41,735 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 08:16:41,735 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 08:16:41,735 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 08:16:41,736 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:16:41" (1/1) ... [2022-11-16 08:16:41,742 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-16 08:16:41,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dcc2aaa-8461-4480-863e-ca39d302b252/bin/ukojak-CydTVMUXoH/z3 [2022-11-16 08:16:41,773 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dcc2aaa-8461-4480-863e-ca39d302b252/bin/ukojak-CydTVMUXoH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-16 08:16:41,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dcc2aaa-8461-4480-863e-ca39d302b252/bin/ukojak-CydTVMUXoH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-16 08:16:41,827 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-16 08:16:41,828 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2022-11-16 08:16:41,828 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2022-11-16 08:16:41,829 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2022-11-16 08:16:41,829 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2022-11-16 08:16:41,829 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 08:16:41,829 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 08:16:41,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-16 08:16:41,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-16 08:16:41,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-16 08:16:41,830 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-16 08:16:41,830 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 08:16:41,831 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 08:16:41,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 08:16:41,832 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-16 08:16:42,086 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 08:16:42,089 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 08:16:42,548 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 08:16:42,556 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 08:16:42,560 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-16 08:16:42,563 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 08:16:42 BoogieIcfgContainer [2022-11-16 08:16:42,564 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 08:16:42,566 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-16 08:16:42,566 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-16 08:16:42,576 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-16 08:16:42,576 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 08:16:42" (1/1) ... [2022-11-16 08:16:42,577 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) [2022-11-16 08:16:42,585 INFO L158 Benchmark]: Toolchain (without parser) took 1902.00ms. Allocated memory was 58.7MB in the beginning and 81.8MB in the end (delta: 23.1MB). Free memory was 35.8MB in the beginning and 57.6MB in the end (delta: -21.9MB). Peak memory consumption was 1.6MB. Max. memory is 16.1GB. [2022-11-16 08:16:42,586 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 58.7MB. Free memory was 40.8MB in the beginning and 40.7MB in the end (delta: 44.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 08:16:42,587 INFO L158 Benchmark]: CACSL2BoogieTranslator took 902.83ms. Allocated memory was 58.7MB in the beginning and 81.8MB in the end (delta: 23.1MB). Free memory was 35.5MB in the beginning and 58.9MB in the end (delta: -23.4MB). Peak memory consumption was 15.1MB. Max. memory is 16.1GB. [2022-11-16 08:16:42,588 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.59ms. Allocated memory is still 81.8MB. Free memory was 58.9MB in the beginning and 56.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 08:16:42,589 INFO L158 Benchmark]: Boogie Preprocessor took 68.87ms. Allocated memory is still 81.8MB. Free memory was 56.4MB in the beginning and 54.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 08:16:42,590 INFO L158 Benchmark]: RCFGBuilder took 829.83ms. Allocated memory is still 81.8MB. Free memory was 54.3MB in the beginning and 58.8MB in the end (delta: -4.5MB). Peak memory consumption was 20.0MB. Max. memory is 16.1GB. [2022-11-16 08:16:42,591 INFO L158 Benchmark]: CodeCheck took 15.51ms. Allocated memory is still 81.8MB. Free memory was 58.4MB in the beginning and 57.6MB in the end (delta: 789.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 08:16:42,600 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 0.22ms. Allocated memory is still 58.7MB. Free memory was 40.8MB in the beginning and 40.7MB in the end (delta: 44.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 902.83ms. Allocated memory was 58.7MB in the beginning and 81.8MB in the end (delta: 23.1MB). Free memory was 35.5MB in the beginning and 58.9MB in the end (delta: -23.4MB). Peak memory consumption was 15.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.59ms. Allocated memory is still 81.8MB. Free memory was 58.9MB in the beginning and 56.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 68.87ms. Allocated memory is still 81.8MB. Free memory was 56.4MB in the beginning and 54.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 829.83ms. Allocated memory is still 81.8MB. Free memory was 54.3MB in the beginning and 58.8MB in the end (delta: -4.5MB). Peak memory consumption was 20.0MB. Max. memory is 16.1GB. * CodeCheck took 15.51ms. Allocated memory is still 81.8MB. Free memory was 58.4MB in the beginning and 57.6MB in the end (delta: 789.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-16 08:16:42,632 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dcc2aaa-8461-4480-863e-ca39d302b252/bin/ukojak-CydTVMUXoH/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