./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/pthread/stack_longest-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version b5237d83 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_68a0ef7b-6f66-43d0-8f47-1d3560e99776/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a0ef7b-6f66-43d0-8f47-1d3560e99776/bin/ukojak-jW3SillKbg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a0ef7b-6f66-43d0-8f47-1d3560e99776/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a0ef7b-6f66-43d0-8f47-1d3560e99776/bin/ukojak-jW3SillKbg/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread/stack_longest-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a0ef7b-6f66-43d0-8f47-1d3560e99776/bin/ukojak-jW3SillKbg/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a0ef7b-6f66-43d0-8f47-1d3560e99776/bin/ukojak-jW3SillKbg --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 5773bc320dd9dee5d943610df8c4ec3040864edddf388dd42a51d37167245e47 --- 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-b5237d8 [2022-11-21 23:39:32,392 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 23:39:32,394 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 23:39:32,439 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 23:39:32,440 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 23:39:32,441 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 23:39:32,442 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 23:39:32,444 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 23:39:32,446 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 23:39:32,447 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 23:39:32,448 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 23:39:32,449 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 23:39:32,449 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 23:39:32,451 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 23:39:32,452 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 23:39:32,453 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 23:39:32,454 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 23:39:32,455 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 23:39:32,456 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 23:39:32,458 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 23:39:32,471 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 23:39:32,474 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 23:39:32,475 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 23:39:32,475 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 23:39:32,479 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 23:39:32,479 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 23:39:32,479 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 23:39:32,480 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 23:39:32,480 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 23:39:32,481 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 23:39:32,482 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 23:39:32,482 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 23:39:32,483 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 23:39:32,484 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 23:39:32,485 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 23:39:32,485 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 23:39:32,486 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 23:39:32,486 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 23:39:32,486 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 23:39:32,495 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 23:39:32,496 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 23:39:32,498 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a0ef7b-6f66-43d0-8f47-1d3560e99776/bin/ukojak-jW3SillKbg/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2022-11-21 23:39:32,540 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 23:39:32,541 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 23:39:32,542 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 23:39:32,542 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 23:39:32,543 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 23:39:32,543 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 23:39:32,543 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 23:39:32,543 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 23:39:32,544 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 23:39:32,544 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 23:39:32,545 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-21 23:39:32,545 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-21 23:39:32,545 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-21 23:39:32,545 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 23:39:32,546 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 23:39:32,546 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 23:39:32,546 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 23:39:32,546 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 23:39:32,546 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 23:39:32,546 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:39:32,547 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 23:39:32,547 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 23:39:32,547 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 23:39:32,547 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 23:39:32,547 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_68a0ef7b-6f66-43d0-8f47-1d3560e99776/bin/ukojak-jW3SillKbg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a0ef7b-6f66-43d0-8f47-1d3560e99776/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5773bc320dd9dee5d943610df8c4ec3040864edddf388dd42a51d37167245e47 [2022-11-21 23:39:32,893 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 23:39:32,925 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 23:39:32,928 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 23:39:32,929 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 23:39:32,929 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 23:39:32,931 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a0ef7b-6f66-43d0-8f47-1d3560e99776/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/pthread/stack_longest-2.i [2022-11-21 23:39:36,006 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 23:39:36,383 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 23:39:36,384 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a0ef7b-6f66-43d0-8f47-1d3560e99776/sv-benchmarks/c/pthread/stack_longest-2.i [2022-11-21 23:39:36,402 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a0ef7b-6f66-43d0-8f47-1d3560e99776/bin/ukojak-jW3SillKbg/data/2e77f29e4/39668bd115234c60a4012dba66313862/FLAG002771437 [2022-11-21 23:39:36,420 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a0ef7b-6f66-43d0-8f47-1d3560e99776/bin/ukojak-jW3SillKbg/data/2e77f29e4/39668bd115234c60a4012dba66313862 [2022-11-21 23:39:36,424 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 23:39:36,427 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 23:39:36,431 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 23:39:36,431 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 23:39:36,435 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 23:39:36,435 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:39:36" (1/1) ... [2022-11-21 23:39:36,436 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ba7312e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:39:36, skipping insertion in model container [2022-11-21 23:39:36,437 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:39:36" (1/1) ... [2022-11-21 23:39:36,445 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 23:39:36,501 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 23:39:37,002 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a0ef7b-6f66-43d0-8f47-1d3560e99776/sv-benchmarks/c/pthread/stack_longest-2.i[41530,41543] [2022-11-21 23:39:37,049 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:39:37,062 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 23:39:37,108 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a0ef7b-6f66-43d0-8f47-1d3560e99776/sv-benchmarks/c/pthread/stack_longest-2.i[41530,41543] [2022-11-21 23:39:37,117 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:39:37,175 INFO L208 MainTranslator]: Completed translation [2022-11-21 23:39:37,176 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:39:37 WrapperNode [2022-11-21 23:39:37,176 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 23:39:37,177 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 23:39:37,177 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 23:39:37,178 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 23:39:37,184 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:39:37" (1/1) ... [2022-11-21 23:39:37,202 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:39:37" (1/1) ... [2022-11-21 23:39:37,229 INFO L138 Inliner]: procedures = 277, calls = 38, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 148 [2022-11-21 23:39:37,230 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 23:39:37,230 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 23:39:37,230 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 23:39:37,231 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 23:39:37,240 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:39:37" (1/1) ... [2022-11-21 23:39:37,241 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:39:37" (1/1) ... [2022-11-21 23:39:37,250 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:39:37" (1/1) ... [2022-11-21 23:39:37,263 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:39:37" (1/1) ... [2022-11-21 23:39:37,270 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:39:37" (1/1) ... [2022-11-21 23:39:37,274 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:39:37" (1/1) ... [2022-11-21 23:39:37,292 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:39:37" (1/1) ... [2022-11-21 23:39:37,294 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:39:37" (1/1) ... [2022-11-21 23:39:37,297 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 23:39:37,298 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 23:39:37,298 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 23:39:37,298 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 23:39:37,299 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:39:37" (1/1) ... [2022-11-21 23:39:37,306 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:39:37,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a0ef7b-6f66-43d0-8f47-1d3560e99776/bin/ukojak-jW3SillKbg/z3 [2022-11-21 23:39:37,340 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a0ef7b-6f66-43d0-8f47-1d3560e99776/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 23:39:37,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a0ef7b-6f66-43d0-8f47-1d3560e99776/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 23:39:37,390 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2022-11-21 23:39:37,390 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2022-11-21 23:39:37,392 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2022-11-21 23:39:37,392 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2022-11-21 23:39:37,392 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 23:39:37,392 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 23:39:37,394 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 23:39:37,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 23:39:37,395 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-21 23:39:37,395 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 23:39:37,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 23:39:37,396 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 23:39:37,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 23:39:37,397 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-21 23:39:37,619 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 23:39:37,621 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 23:39:37,924 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 23:39:37,933 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 23:39:37,933 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-21 23:39:37,936 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:39:37 BoogieIcfgContainer [2022-11-21 23:39:37,936 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 23:39:37,937 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 23:39:37,937 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 23:39:37,947 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 23:39:37,947 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:39:37" (1/1) ... [2022-11-21 23:39:37,948 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) [2022-11-21 23:39:37,953 INFO L158 Benchmark]: Toolchain (without parser) took 1525.90ms. Allocated memory is still 167.8MB. Free memory was 135.5MB in the beginning and 94.5MB in the end (delta: 40.9MB). Peak memory consumption was 38.9MB. Max. memory is 16.1GB. [2022-11-21 23:39:37,954 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 125.8MB. Free memory is still 96.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:39:37,954 INFO L158 Benchmark]: CACSL2BoogieTranslator took 745.31ms. Allocated memory is still 167.8MB. Free memory was 135.5MB in the beginning and 118.9MB in the end (delta: 16.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-21 23:39:37,955 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.62ms. Allocated memory is still 167.8MB. Free memory was 118.9MB in the beginning and 116.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:39:37,956 INFO L158 Benchmark]: Boogie Preprocessor took 67.04ms. Allocated memory is still 167.8MB. Free memory was 116.4MB in the beginning and 114.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:39:37,957 INFO L158 Benchmark]: RCFGBuilder took 637.88ms. Allocated memory is still 167.8MB. Free memory was 114.3MB in the beginning and 95.4MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-21 23:39:37,957 INFO L158 Benchmark]: CodeCheck took 13.97ms. Allocated memory is still 167.8MB. Free memory was 95.4MB in the beginning and 94.5MB in the end (delta: 860.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:39:37,961 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 0.27ms. Allocated memory is still 125.8MB. Free memory is still 96.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 745.31ms. Allocated memory is still 167.8MB. Free memory was 135.5MB in the beginning and 118.9MB in the end (delta: 16.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.62ms. Allocated memory is still 167.8MB. Free memory was 118.9MB in the beginning and 116.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 67.04ms. Allocated memory is still 167.8MB. Free memory was 116.4MB in the beginning and 114.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 637.88ms. Allocated memory is still 167.8MB. Free memory was 114.3MB in the beginning and 95.4MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 13.97ms. Allocated memory is still 167.8MB. Free memory was 95.4MB in the beginning and 94.5MB in the end (delta: 860.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-21 23:39:37,984 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a0ef7b-6f66-43d0-8f47-1d3560e99776/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a0ef7b-6f66-43d0-8f47-1d3560e99776/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a0ef7b-6f66-43d0-8f47-1d3560e99776/bin/ukojak-jW3SillKbg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a0ef7b-6f66-43d0-8f47-1d3560e99776/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a0ef7b-6f66-43d0-8f47-1d3560e99776/bin/ukojak-jW3SillKbg/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread/stack_longest-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a0ef7b-6f66-43d0-8f47-1d3560e99776/bin/ukojak-jW3SillKbg/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a0ef7b-6f66-43d0-8f47-1d3560e99776/bin/ukojak-jW3SillKbg --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 5773bc320dd9dee5d943610df8c4ec3040864edddf388dd42a51d37167245e47 --- 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-b5237d8 [2022-11-21 23:39:40,461 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 23:39:40,463 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 23:39:40,482 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 23:39:40,483 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 23:39:40,484 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 23:39:40,485 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 23:39:40,487 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 23:39:40,489 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 23:39:40,490 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 23:39:40,492 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 23:39:40,493 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 23:39:40,493 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 23:39:40,494 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 23:39:40,496 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 23:39:40,497 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 23:39:40,498 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 23:39:40,499 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 23:39:40,501 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 23:39:40,502 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 23:39:40,504 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 23:39:40,505 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 23:39:40,507 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 23:39:40,508 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 23:39:40,512 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 23:39:40,512 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 23:39:40,513 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 23:39:40,514 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 23:39:40,514 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 23:39:40,515 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 23:39:40,516 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 23:39:40,516 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 23:39:40,517 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 23:39:40,518 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 23:39:40,519 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 23:39:40,520 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 23:39:40,536 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 23:39:40,537 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 23:39:40,537 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 23:39:40,538 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 23:39:40,539 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 23:39:40,539 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a0ef7b-6f66-43d0-8f47-1d3560e99776/bin/ukojak-jW3SillKbg/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2022-11-21 23:39:40,588 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 23:39:40,588 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 23:39:40,591 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 23:39:40,591 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 23:39:40,591 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 23:39:40,592 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 23:39:40,592 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 23:39:40,592 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 23:39:40,592 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 23:39:40,593 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 23:39:40,594 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-21 23:39:40,594 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-21 23:39:40,594 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-21 23:39:40,595 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 23:39:40,595 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-21 23:39:40,595 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-21 23:39:40,595 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-21 23:39:40,595 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 23:39:40,596 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 23:39:40,596 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 23:39:40,596 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 23:39:40,596 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 23:39:40,597 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:39:40,597 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 23:39:40,597 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 23:39:40,597 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-21 23:39:40,598 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-21 23:39:40,598 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-11-21 23:39:40,598 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-21 23:39:40,598 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_68a0ef7b-6f66-43d0-8f47-1d3560e99776/bin/ukojak-jW3SillKbg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a0ef7b-6f66-43d0-8f47-1d3560e99776/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5773bc320dd9dee5d943610df8c4ec3040864edddf388dd42a51d37167245e47 [2022-11-21 23:39:40,992 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 23:39:41,011 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 23:39:41,013 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 23:39:41,014 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 23:39:41,015 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 23:39:41,017 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a0ef7b-6f66-43d0-8f47-1d3560e99776/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/pthread/stack_longest-2.i [2022-11-21 23:39:44,295 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 23:39:44,576 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 23:39:44,590 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a0ef7b-6f66-43d0-8f47-1d3560e99776/sv-benchmarks/c/pthread/stack_longest-2.i [2022-11-21 23:39:44,605 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a0ef7b-6f66-43d0-8f47-1d3560e99776/bin/ukojak-jW3SillKbg/data/99281cdb8/b274d1c73ecc47cab6375acff382e60d/FLAGe2b512bfa [2022-11-21 23:39:44,623 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a0ef7b-6f66-43d0-8f47-1d3560e99776/bin/ukojak-jW3SillKbg/data/99281cdb8/b274d1c73ecc47cab6375acff382e60d [2022-11-21 23:39:44,626 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 23:39:44,627 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 23:39:44,629 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 23:39:44,629 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 23:39:44,632 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 23:39:44,633 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:39:44" (1/1) ... [2022-11-21 23:39:44,634 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@521313f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:39:44, skipping insertion in model container [2022-11-21 23:39:44,634 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:39:44" (1/1) ... [2022-11-21 23:39:44,642 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 23:39:44,686 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 23:39:45,314 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a0ef7b-6f66-43d0-8f47-1d3560e99776/sv-benchmarks/c/pthread/stack_longest-2.i[41530,41543] [2022-11-21 23:39:45,360 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:39:45,378 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 23:39:45,439 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a0ef7b-6f66-43d0-8f47-1d3560e99776/sv-benchmarks/c/pthread/stack_longest-2.i[41530,41543] [2022-11-21 23:39:45,452 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:39:45,552 INFO L208 MainTranslator]: Completed translation [2022-11-21 23:39:45,553 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:39:45 WrapperNode [2022-11-21 23:39:45,553 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 23:39:45,556 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 23:39:45,556 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 23:39:45,556 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 23:39:45,564 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:39:45" (1/1) ... [2022-11-21 23:39:45,596 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:39:45" (1/1) ... [2022-11-21 23:39:45,642 INFO L138 Inliner]: procedures = 281, calls = 38, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 145 [2022-11-21 23:39:45,643 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 23:39:45,644 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 23:39:45,644 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 23:39:45,644 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 23:39:45,654 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:39:45" (1/1) ... [2022-11-21 23:39:45,654 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:39:45" (1/1) ... [2022-11-21 23:39:45,668 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:39:45" (1/1) ... [2022-11-21 23:39:45,670 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:39:45" (1/1) ... [2022-11-21 23:39:45,693 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:39:45" (1/1) ... [2022-11-21 23:39:45,705 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:39:45" (1/1) ... [2022-11-21 23:39:45,707 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:39:45" (1/1) ... [2022-11-21 23:39:45,709 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:39:45" (1/1) ... [2022-11-21 23:39:45,712 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 23:39:45,713 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 23:39:45,713 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 23:39:45,713 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 23:39:45,719 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:39:45" (1/1) ... [2022-11-21 23:39:45,725 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:39:45,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a0ef7b-6f66-43d0-8f47-1d3560e99776/bin/ukojak-jW3SillKbg/z3 [2022-11-21 23:39:45,752 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a0ef7b-6f66-43d0-8f47-1d3560e99776/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 23:39:45,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a0ef7b-6f66-43d0-8f47-1d3560e99776/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 23:39:45,801 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-21 23:39:45,801 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2022-11-21 23:39:45,802 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2022-11-21 23:39:45,802 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2022-11-21 23:39:45,802 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2022-11-21 23:39:45,802 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 23:39:45,802 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 23:39:45,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-21 23:39:45,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-21 23:39:45,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-21 23:39:45,803 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-21 23:39:45,803 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 23:39:45,803 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 23:39:45,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 23:39:45,805 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-21 23:39:46,066 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 23:39:46,068 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 23:39:46,462 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 23:39:46,470 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 23:39:46,471 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-21 23:39:46,473 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:39:46 BoogieIcfgContainer [2022-11-21 23:39:46,473 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 23:39:46,474 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 23:39:46,474 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 23:39:46,484 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 23:39:46,484 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:39:46" (1/1) ... [2022-11-21 23:39:46,485 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) [2022-11-21 23:39:46,494 INFO L158 Benchmark]: Toolchain (without parser) took 1865.85ms. Allocated memory was 62.9MB in the beginning and 75.5MB in the end (delta: 12.6MB). Free memory was 32.3MB in the beginning and 32.1MB in the end (delta: 183.5kB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. [2022-11-21 23:39:46,494 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 62.9MB. Free memory was 41.3MB in the beginning and 41.2MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:39:46,495 INFO L158 Benchmark]: CACSL2BoogieTranslator took 926.37ms. Allocated memory was 62.9MB in the beginning and 75.5MB in the end (delta: 12.6MB). Free memory was 32.1MB in the beginning and 35.5MB in the end (delta: -3.4MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB. [2022-11-21 23:39:46,497 INFO L158 Benchmark]: Boogie Procedure Inliner took 87.00ms. Allocated memory is still 75.5MB. Free memory was 35.5MB in the beginning and 32.7MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:39:46,498 INFO L158 Benchmark]: Boogie Preprocessor took 68.32ms. Allocated memory is still 75.5MB. Free memory was 32.7MB in the beginning and 54.4MB in the end (delta: -21.7MB). Peak memory consumption was 3.6MB. Max. memory is 16.1GB. [2022-11-21 23:39:46,499 INFO L158 Benchmark]: RCFGBuilder took 760.18ms. Allocated memory is still 75.5MB. Free memory was 54.4MB in the beginning and 33.0MB in the end (delta: 21.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-21 23:39:46,500 INFO L158 Benchmark]: CodeCheck took 18.34ms. Allocated memory is still 75.5MB. Free memory was 33.0MB in the beginning and 32.1MB in the end (delta: 937.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:39:46,505 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 0.27ms. Allocated memory is still 62.9MB. Free memory was 41.3MB in the beginning and 41.2MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 926.37ms. Allocated memory was 62.9MB in the beginning and 75.5MB in the end (delta: 12.6MB). Free memory was 32.1MB in the beginning and 35.5MB in the end (delta: -3.4MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 87.00ms. Allocated memory is still 75.5MB. Free memory was 35.5MB in the beginning and 32.7MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 68.32ms. Allocated memory is still 75.5MB. Free memory was 32.7MB in the beginning and 54.4MB in the end (delta: -21.7MB). Peak memory consumption was 3.6MB. Max. memory is 16.1GB. * RCFGBuilder took 760.18ms. Allocated memory is still 75.5MB. Free memory was 54.4MB in the beginning and 33.0MB in the end (delta: 21.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * CodeCheck took 18.34ms. Allocated memory is still 75.5MB. Free memory was 33.0MB in the beginning and 32.1MB in the end (delta: 937.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-21 23:39:46,523 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a0ef7b-6f66-43d0-8f47-1d3560e99776/bin/ukojak-jW3SillKbg/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