./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 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5394a974-ebff-44ea-b195-d111d9b2f9f2/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5394a974-ebff-44ea-b195-d111d9b2f9f2/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5394a974-ebff-44ea-b195-d111d9b2f9f2/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5394a974-ebff-44ea-b195-d111d9b2f9f2/bin/ukojak-pZX7IvK2PQ/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread/stack_longest-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5394a974-ebff-44ea-b195-d111d9b2f9f2/bin/ukojak-pZX7IvK2PQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5394a974-ebff-44ea-b195-d111d9b2f9f2/bin/ukojak-pZX7IvK2PQ --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-6b4ec56 [2022-11-20 16:40:12,607 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 16:40:12,610 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 16:40:12,646 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 16:40:12,648 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 16:40:12,653 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 16:40:12,654 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 16:40:12,657 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 16:40:12,658 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 16:40:12,660 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 16:40:12,661 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 16:40:12,663 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 16:40:12,664 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 16:40:12,668 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 16:40:12,670 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 16:40:12,672 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 16:40:12,674 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 16:40:12,681 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 16:40:12,683 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 16:40:12,685 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 16:40:12,689 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 16:40:12,690 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 16:40:12,693 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 16:40:12,694 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 16:40:12,697 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 16:40:12,702 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 16:40:12,702 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 16:40:12,703 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 16:40:12,705 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 16:40:12,706 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 16:40:12,706 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 16:40:12,707 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 16:40:12,709 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 16:40:12,710 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 16:40:12,712 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 16:40:12,713 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 16:40:12,713 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 16:40:12,714 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 16:40:12,714 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 16:40:12,718 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 16:40:12,719 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 16:40:12,720 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5394a974-ebff-44ea-b195-d111d9b2f9f2/bin/ukojak-pZX7IvK2PQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2022-11-20 16:40:12,753 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 16:40:12,754 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 16:40:12,756 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 16:40:12,756 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 16:40:12,757 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 16:40:12,757 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 16:40:12,757 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 16:40:12,757 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 16:40:12,758 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 16:40:12,758 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 16:40:12,759 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-20 16:40:12,759 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-20 16:40:12,759 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-20 16:40:12,760 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 16:40:12,760 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 16:40:12,760 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 16:40:12,760 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 16:40:12,760 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 16:40:12,761 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 16:40:12,761 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:40:12,761 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 16:40:12,761 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 16:40:12,762 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 16:40:12,762 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 16:40:12,762 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5394a974-ebff-44ea-b195-d111d9b2f9f2/bin/ukojak-pZX7IvK2PQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5394a974-ebff-44ea-b195-d111d9b2f9f2/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5773bc320dd9dee5d943610df8c4ec3040864edddf388dd42a51d37167245e47 [2022-11-20 16:40:13,046 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 16:40:13,075 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 16:40:13,078 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 16:40:13,079 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 16:40:13,079 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 16:40:13,081 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5394a974-ebff-44ea-b195-d111d9b2f9f2/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/pthread/stack_longest-2.i [2022-11-20 16:40:16,126 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 16:40:16,505 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 16:40:16,510 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5394a974-ebff-44ea-b195-d111d9b2f9f2/sv-benchmarks/c/pthread/stack_longest-2.i [2022-11-20 16:40:16,527 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5394a974-ebff-44ea-b195-d111d9b2f9f2/bin/ukojak-pZX7IvK2PQ/data/192e0a8dd/1b347024e0ff4f5dbeecd706b46b6d4a/FLAGf91d8c4d5 [2022-11-20 16:40:16,552 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5394a974-ebff-44ea-b195-d111d9b2f9f2/bin/ukojak-pZX7IvK2PQ/data/192e0a8dd/1b347024e0ff4f5dbeecd706b46b6d4a [2022-11-20 16:40:16,556 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 16:40:16,558 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 16:40:16,560 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 16:40:16,560 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 16:40:16,563 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 16:40:16,564 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:40:16" (1/1) ... [2022-11-20 16:40:16,565 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15bee962 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:40:16, skipping insertion in model container [2022-11-20 16:40:16,565 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:40:16" (1/1) ... [2022-11-20 16:40:16,572 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 16:40:16,628 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 16:40:17,184 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_5394a974-ebff-44ea-b195-d111d9b2f9f2/sv-benchmarks/c/pthread/stack_longest-2.i[41530,41543] [2022-11-20 16:40:17,219 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:40:17,231 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 16:40:17,290 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_5394a974-ebff-44ea-b195-d111d9b2f9f2/sv-benchmarks/c/pthread/stack_longest-2.i[41530,41543] [2022-11-20 16:40:17,300 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:40:17,357 INFO L208 MainTranslator]: Completed translation [2022-11-20 16:40:17,357 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:40:17 WrapperNode [2022-11-20 16:40:17,357 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 16:40:17,358 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 16:40:17,359 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 16:40:17,359 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 16:40:17,367 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:40:17" (1/1) ... [2022-11-20 16:40:17,384 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:40:17" (1/1) ... [2022-11-20 16:40:17,410 INFO L138 Inliner]: procedures = 277, calls = 38, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 148 [2022-11-20 16:40:17,410 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 16:40:17,411 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 16:40:17,411 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 16:40:17,411 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 16:40:17,421 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:40:17" (1/1) ... [2022-11-20 16:40:17,421 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:40:17" (1/1) ... [2022-11-20 16:40:17,429 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:40:17" (1/1) ... [2022-11-20 16:40:17,429 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:40:17" (1/1) ... [2022-11-20 16:40:17,446 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:40:17" (1/1) ... [2022-11-20 16:40:17,450 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:40:17" (1/1) ... [2022-11-20 16:40:17,462 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:40:17" (1/1) ... [2022-11-20 16:40:17,465 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:40:17" (1/1) ... [2022-11-20 16:40:17,469 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 16:40:17,472 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 16:40:17,472 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 16:40:17,472 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 16:40:17,473 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:40:17" (1/1) ... [2022-11-20 16:40:17,479 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:40:17,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5394a974-ebff-44ea-b195-d111d9b2f9f2/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 16:40:17,516 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5394a974-ebff-44ea-b195-d111d9b2f9f2/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 16:40:17,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5394a974-ebff-44ea-b195-d111d9b2f9f2/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 16:40:17,577 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2022-11-20 16:40:17,578 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2022-11-20 16:40:17,579 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2022-11-20 16:40:17,580 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2022-11-20 16:40:17,580 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 16:40:17,580 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 16:40:17,583 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 16:40:17,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 16:40:17,583 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-20 16:40:17,583 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 16:40:17,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 16:40:17,584 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 16:40:17,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 16:40:17,586 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-20 16:40:17,732 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 16:40:17,733 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 16:40:18,156 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 16:40:18,165 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 16:40:18,178 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-20 16:40:18,181 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:40:18 BoogieIcfgContainer [2022-11-20 16:40:18,201 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 16:40:18,202 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 16:40:18,202 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 16:40:18,214 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 16:40:18,214 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:40:18" (1/1) ... [2022-11-20 16:40:18,215 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) [2022-11-20 16:40:18,226 INFO L158 Benchmark]: Toolchain (without parser) took 1666.38ms. Allocated memory was 138.4MB in the beginning and 188.7MB in the end (delta: 50.3MB). Free memory was 103.1MB in the beginning and 157.6MB in the end (delta: -54.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:40:18,227 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 138.4MB. Free memory is still 108.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:40:18,228 INFO L158 Benchmark]: CACSL2BoogieTranslator took 798.29ms. Allocated memory is still 138.4MB. Free memory was 103.1MB in the beginning and 73.9MB in the end (delta: 29.2MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2022-11-20 16:40:18,229 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.93ms. Allocated memory is still 138.4MB. Free memory was 73.9MB in the beginning and 71.0MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 16:40:18,231 INFO L158 Benchmark]: Boogie Preprocessor took 57.94ms. Allocated memory is still 138.4MB. Free memory was 71.0MB in the beginning and 69.3MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:40:18,232 INFO L158 Benchmark]: RCFGBuilder took 729.69ms. Allocated memory was 138.4MB in the beginning and 188.7MB in the end (delta: 50.3MB). Free memory was 69.3MB in the beginning and 158.7MB in the end (delta: -89.4MB). Peak memory consumption was 29.1MB. Max. memory is 16.1GB. [2022-11-20 16:40:18,233 INFO L158 Benchmark]: CodeCheck took 21.72ms. Allocated memory is still 188.7MB. Free memory was 158.7MB in the beginning and 157.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:40:18,245 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 0.25ms. Allocated memory is still 138.4MB. Free memory is still 108.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 798.29ms. Allocated memory is still 138.4MB. Free memory was 103.1MB in the beginning and 73.9MB in the end (delta: 29.2MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.93ms. Allocated memory is still 138.4MB. Free memory was 73.9MB in the beginning and 71.0MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.94ms. Allocated memory is still 138.4MB. Free memory was 71.0MB in the beginning and 69.3MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 729.69ms. Allocated memory was 138.4MB in the beginning and 188.7MB in the end (delta: 50.3MB). Free memory was 69.3MB in the beginning and 158.7MB in the end (delta: -89.4MB). Peak memory consumption was 29.1MB. Max. memory is 16.1GB. * CodeCheck took 21.72ms. Allocated memory is still 188.7MB. Free memory was 158.7MB in the beginning and 157.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-20 16:40:18,275 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5394a974-ebff-44ea-b195-d111d9b2f9f2/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5394a974-ebff-44ea-b195-d111d9b2f9f2/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5394a974-ebff-44ea-b195-d111d9b2f9f2/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5394a974-ebff-44ea-b195-d111d9b2f9f2/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5394a974-ebff-44ea-b195-d111d9b2f9f2/bin/ukojak-pZX7IvK2PQ/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread/stack_longest-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5394a974-ebff-44ea-b195-d111d9b2f9f2/bin/ukojak-pZX7IvK2PQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5394a974-ebff-44ea-b195-d111d9b2f9f2/bin/ukojak-pZX7IvK2PQ --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-6b4ec56 [2022-11-20 16:40:20,869 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 16:40:20,874 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 16:40:20,931 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 16:40:20,931 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 16:40:20,936 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 16:40:20,938 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 16:40:20,940 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 16:40:20,942 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 16:40:20,943 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 16:40:20,945 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 16:40:20,946 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 16:40:20,947 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 16:40:20,948 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 16:40:20,949 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 16:40:20,950 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 16:40:20,951 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 16:40:20,952 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 16:40:20,954 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 16:40:20,956 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 16:40:20,957 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 16:40:20,959 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 16:40:20,960 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 16:40:20,961 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 16:40:20,965 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 16:40:20,966 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 16:40:20,966 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 16:40:20,967 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 16:40:20,968 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 16:40:20,969 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 16:40:20,970 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 16:40:20,971 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 16:40:20,972 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 16:40:20,973 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 16:40:20,974 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 16:40:20,974 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 16:40:20,975 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 16:40:20,976 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 16:40:20,976 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 16:40:20,977 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 16:40:20,978 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 16:40:20,979 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5394a974-ebff-44ea-b195-d111d9b2f9f2/bin/ukojak-pZX7IvK2PQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2022-11-20 16:40:21,024 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 16:40:21,025 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 16:40:21,026 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 16:40:21,027 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 16:40:21,027 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 16:40:21,027 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 16:40:21,027 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 16:40:21,028 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 16:40:21,028 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 16:40:21,028 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 16:40:21,029 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-20 16:40:21,030 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-20 16:40:21,030 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-20 16:40:21,030 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 16:40:21,030 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 16:40:21,031 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 16:40:21,031 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 16:40:21,031 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 16:40:21,031 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 16:40:21,032 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 16:40:21,032 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 16:40:21,032 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 16:40:21,032 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:40:21,033 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 16:40:21,033 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 16:40:21,033 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-20 16:40:21,033 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 16:40:21,034 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-11-20 16:40:21,034 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 16:40:21,034 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_5394a974-ebff-44ea-b195-d111d9b2f9f2/bin/ukojak-pZX7IvK2PQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5394a974-ebff-44ea-b195-d111d9b2f9f2/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5773bc320dd9dee5d943610df8c4ec3040864edddf388dd42a51d37167245e47 [2022-11-20 16:40:21,472 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 16:40:21,499 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 16:40:21,501 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 16:40:21,503 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 16:40:21,503 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 16:40:21,507 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5394a974-ebff-44ea-b195-d111d9b2f9f2/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/pthread/stack_longest-2.i [2022-11-20 16:40:24,509 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 16:40:24,814 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 16:40:24,815 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5394a974-ebff-44ea-b195-d111d9b2f9f2/sv-benchmarks/c/pthread/stack_longest-2.i [2022-11-20 16:40:24,827 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5394a974-ebff-44ea-b195-d111d9b2f9f2/bin/ukojak-pZX7IvK2PQ/data/eb3f7ae9b/097a28d4a5aa4ae19a2c2aa005e5b52c/FLAGdc5707574 [2022-11-20 16:40:24,847 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5394a974-ebff-44ea-b195-d111d9b2f9f2/bin/ukojak-pZX7IvK2PQ/data/eb3f7ae9b/097a28d4a5aa4ae19a2c2aa005e5b52c [2022-11-20 16:40:24,849 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 16:40:24,851 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 16:40:24,852 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 16:40:24,852 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 16:40:24,855 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 16:40:24,856 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:40:24" (1/1) ... [2022-11-20 16:40:24,857 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13d20cb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:40:24, skipping insertion in model container [2022-11-20 16:40:24,857 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:40:24" (1/1) ... [2022-11-20 16:40:24,864 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 16:40:24,919 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 16:40:25,469 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_5394a974-ebff-44ea-b195-d111d9b2f9f2/sv-benchmarks/c/pthread/stack_longest-2.i[41530,41543] [2022-11-20 16:40:25,493 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:40:25,509 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 16:40:25,587 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_5394a974-ebff-44ea-b195-d111d9b2f9f2/sv-benchmarks/c/pthread/stack_longest-2.i[41530,41543] [2022-11-20 16:40:25,596 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:40:25,683 INFO L208 MainTranslator]: Completed translation [2022-11-20 16:40:25,684 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:40:25 WrapperNode [2022-11-20 16:40:25,684 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 16:40:25,687 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 16:40:25,687 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 16:40:25,688 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 16:40:25,696 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:40:25" (1/1) ... [2022-11-20 16:40:25,728 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:40:25" (1/1) ... [2022-11-20 16:40:25,774 INFO L138 Inliner]: procedures = 281, calls = 38, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 145 [2022-11-20 16:40:25,774 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 16:40:25,775 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 16:40:25,776 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 16:40:25,776 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 16:40:25,785 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:40:25" (1/1) ... [2022-11-20 16:40:25,786 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:40:25" (1/1) ... [2022-11-20 16:40:25,800 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:40:25" (1/1) ... [2022-11-20 16:40:25,803 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:40:25" (1/1) ... [2022-11-20 16:40:25,810 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:40:25" (1/1) ... [2022-11-20 16:40:25,825 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:40:25" (1/1) ... [2022-11-20 16:40:25,827 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:40:25" (1/1) ... [2022-11-20 16:40:25,835 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:40:25" (1/1) ... [2022-11-20 16:40:25,839 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 16:40:25,847 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 16:40:25,847 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 16:40:25,847 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 16:40:25,848 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:40:25" (1/1) ... [2022-11-20 16:40:25,854 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:40:25,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5394a974-ebff-44ea-b195-d111d9b2f9f2/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 16:40:25,886 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5394a974-ebff-44ea-b195-d111d9b2f9f2/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 16:40:25,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5394a974-ebff-44ea-b195-d111d9b2f9f2/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 16:40:25,940 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-20 16:40:25,941 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2022-11-20 16:40:25,941 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2022-11-20 16:40:25,941 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2022-11-20 16:40:25,941 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2022-11-20 16:40:25,941 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 16:40:25,942 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 16:40:25,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-20 16:40:25,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-20 16:40:25,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-20 16:40:25,943 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-20 16:40:25,943 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 16:40:25,943 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 16:40:25,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 16:40:25,945 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-20 16:40:26,201 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 16:40:26,203 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 16:40:26,574 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 16:40:26,582 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 16:40:26,583 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-20 16:40:26,587 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:40:26 BoogieIcfgContainer [2022-11-20 16:40:26,587 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 16:40:26,588 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 16:40:26,588 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 16:40:26,599 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 16:40:26,599 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:40:26" (1/1) ... [2022-11-20 16:40:26,600 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) [2022-11-20 16:40:26,604 INFO L158 Benchmark]: Toolchain (without parser) took 1752.50ms. Allocated memory was 69.2MB in the beginning and 94.4MB in the end (delta: 25.2MB). Free memory was 40.1MB in the beginning and 54.9MB in the end (delta: -14.8MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. [2022-11-20 16:40:26,605 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 69.2MB. Free memory is still 47.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:40:26,605 INFO L158 Benchmark]: CACSL2BoogieTranslator took 834.18ms. Allocated memory was 69.2MB in the beginning and 94.4MB in the end (delta: 25.2MB). Free memory was 39.9MB in the beginning and 55.1MB in the end (delta: -15.2MB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB. [2022-11-20 16:40:26,606 INFO L158 Benchmark]: Boogie Procedure Inliner took 87.20ms. Allocated memory is still 94.4MB. Free memory was 55.1MB in the beginning and 52.1MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 16:40:26,607 INFO L158 Benchmark]: Boogie Preprocessor took 70.86ms. Allocated memory is still 94.4MB. Free memory was 52.1MB in the beginning and 50.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 16:40:26,607 INFO L158 Benchmark]: RCFGBuilder took 740.60ms. Allocated memory is still 94.4MB. Free memory was 50.1MB in the beginning and 56.0MB in the end (delta: -5.9MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. [2022-11-20 16:40:26,608 INFO L158 Benchmark]: CodeCheck took 14.05ms. Allocated memory is still 94.4MB. Free memory was 56.0MB in the beginning and 54.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 16:40:26,612 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 0.25ms. Allocated memory is still 69.2MB. Free memory is still 47.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 834.18ms. Allocated memory was 69.2MB in the beginning and 94.4MB in the end (delta: 25.2MB). Free memory was 39.9MB in the beginning and 55.1MB in the end (delta: -15.2MB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 87.20ms. Allocated memory is still 94.4MB. Free memory was 55.1MB in the beginning and 52.1MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 70.86ms. Allocated memory is still 94.4MB. Free memory was 52.1MB in the beginning and 50.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 740.60ms. Allocated memory is still 94.4MB. Free memory was 50.1MB in the beginning and 56.0MB in the end (delta: -5.9MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. * CodeCheck took 14.05ms. Allocated memory is still 94.4MB. Free memory was 56.0MB in the beginning and 54.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-20 16:40:26,638 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5394a974-ebff-44ea-b195-d111d9b2f9f2/bin/ukojak-pZX7IvK2PQ/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