./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread/stack-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6573ccd7-433d-42cd-9cf9-f73c958e5c80/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6573ccd7-433d-42cd-9cf9-f73c958e5c80/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6573ccd7-433d-42cd-9cf9-f73c958e5c80/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6573ccd7-433d-42cd-9cf9-f73c958e5c80/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/stack-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6573ccd7-433d-42cd-9cf9-f73c958e5c80/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6573ccd7-433d-42cd-9cf9-f73c958e5c80/bin/ukojak-92XMlrwhuB --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a5e93db72222dd521789305cbf7823ac91f269c62c97020d54f95f5ba14d3fd2 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 16:31:49,664 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:31:49,666 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:31:49,697 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:31:49,698 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:31:49,699 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:31:49,701 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:31:49,704 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:31:49,706 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:31:49,707 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:31:49,709 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:31:49,710 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:31:49,711 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:31:49,713 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:31:49,714 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:31:49,716 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:31:49,718 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:31:49,719 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:31:49,721 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:31:49,724 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:31:49,726 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:31:49,733 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:31:49,739 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:31:49,740 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:31:49,745 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:31:49,751 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:31:49,751 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:31:49,753 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:31:49,754 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:31:49,755 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:31:49,756 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:31:49,757 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:31:49,758 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:31:49,760 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:31:49,762 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:31:49,763 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:31:49,765 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:31:49,765 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:31:49,765 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:31:49,766 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:31:49,767 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:31:49,768 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6573ccd7-433d-42cd-9cf9-f73c958e5c80/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:31:49,804 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:31:49,806 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:31:49,807 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:31:49,808 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:31:49,809 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:31:49,809 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:31:49,809 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:31:49,809 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:31:49,810 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:31:49,810 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:31:49,811 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:31:49,811 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:31:49,811 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:31:49,812 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:31:49,812 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:31:49,812 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:31:49,812 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:31:49,813 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:31:49,813 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:31:49,813 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:31:49,813 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:31:49,814 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:31:49,814 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:31:49,814 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:31:49,814 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:31:49,815 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:31:49,815 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:31:49,815 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:31:49,815 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_6573ccd7-433d-42cd-9cf9-f73c958e5c80/bin/ukojak-92XMlrwhuB/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6573ccd7-433d-42cd-9cf9-f73c958e5c80/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a5e93db72222dd521789305cbf7823ac91f269c62c97020d54f95f5ba14d3fd2 [2022-10-17 16:31:50,180 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:31:50,209 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:31:50,212 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:31:50,214 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:31:50,215 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:31:50,217 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6573ccd7-433d-42cd-9cf9-f73c958e5c80/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/pthread/stack-1.i [2022-10-17 16:31:50,289 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6573ccd7-433d-42cd-9cf9-f73c958e5c80/bin/ukojak-92XMlrwhuB/data/08861e3da/f4bc27b20aea445d90a627a0dbac0e7f/FLAG71167f878 [2022-10-17 16:31:50,966 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:31:50,967 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6573ccd7-433d-42cd-9cf9-f73c958e5c80/sv-benchmarks/c/pthread/stack-1.i [2022-10-17 16:31:50,985 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6573ccd7-433d-42cd-9cf9-f73c958e5c80/bin/ukojak-92XMlrwhuB/data/08861e3da/f4bc27b20aea445d90a627a0dbac0e7f/FLAG71167f878 [2022-10-17 16:31:51,203 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6573ccd7-433d-42cd-9cf9-f73c958e5c80/bin/ukojak-92XMlrwhuB/data/08861e3da/f4bc27b20aea445d90a627a0dbac0e7f [2022-10-17 16:31:51,205 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:31:51,207 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:31:51,210 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:31:51,211 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:31:51,214 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:31:51,215 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:31:51" (1/1) ... [2022-10-17 16:31:51,216 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bb9cae8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:51, skipping insertion in model container [2022-10-17 16:31:51,219 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:31:51" (1/1) ... [2022-10-17 16:31:51,229 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:31:51,301 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:31:51,718 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6573ccd7-433d-42cd-9cf9-f73c958e5c80/sv-benchmarks/c/pthread/stack-1.i[41520,41533] [2022-10-17 16:31:51,746 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:31:51,757 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:31:51,792 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6573ccd7-433d-42cd-9cf9-f73c958e5c80/sv-benchmarks/c/pthread/stack-1.i[41520,41533] [2022-10-17 16:31:51,803 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:31:51,867 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:31:51,868 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:51 WrapperNode [2022-10-17 16:31:51,868 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:31:51,869 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:31:51,870 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:31:51,870 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:31:51,877 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:51" (1/1) ... [2022-10-17 16:31:51,896 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:51" (1/1) ... [2022-10-17 16:31:51,923 INFO L138 Inliner]: procedures = 277, calls = 45, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 142 [2022-10-17 16:31:51,924 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:31:51,924 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:31:51,925 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:31:51,925 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:31:51,934 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:51" (1/1) ... [2022-10-17 16:31:51,935 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:51" (1/1) ... [2022-10-17 16:31:51,939 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:51" (1/1) ... [2022-10-17 16:31:51,939 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:51" (1/1) ... [2022-10-17 16:31:51,946 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:51" (1/1) ... [2022-10-17 16:31:51,950 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:51" (1/1) ... [2022-10-17 16:31:51,953 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:51" (1/1) ... [2022-10-17 16:31:51,955 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:51" (1/1) ... [2022-10-17 16:31:51,959 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:31:51,960 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:31:51,960 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:31:51,960 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:31:51,961 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:51" (1/1) ... [2022-10-17 16:31:51,976 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:31:51,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6573ccd7-433d-42cd-9cf9-f73c958e5c80/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:31:52,010 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6573ccd7-433d-42cd-9cf9-f73c958e5c80/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:31:52,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6573ccd7-433d-42cd-9cf9-f73c958e5c80/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:31:52,056 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2022-10-17 16:31:52,057 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2022-10-17 16:31:52,058 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2022-10-17 16:31:52,058 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2022-10-17 16:31:52,058 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:31:52,058 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:31:52,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:31:52,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:31:52,059 INFO L130 BoogieDeclarations]: Found specification of procedure get_top [2022-10-17 16:31:52,060 INFO L138 BoogieDeclarations]: Found implementation of procedure get_top [2022-10-17 16:31:52,060 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-10-17 16:31:52,060 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:31:52,060 INFO L130 BoogieDeclarations]: Found specification of procedure error [2022-10-17 16:31:52,061 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2022-10-17 16:31:52,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:31:52,062 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:31:52,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:31:52,064 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-10-17 16:31:52,276 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:31:52,279 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:31:52,580 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:31:52,591 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:31:52,591 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-17 16:31:52,594 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:31:52 BoogieIcfgContainer [2022-10-17 16:31:52,594 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:31:52,595 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:31:52,595 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:31:52,638 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:31:52,639 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:31:52" (1/1) ... [2022-10-17 16:31:52,639 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:358) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-10-17 16:31:52,649 INFO L158 Benchmark]: Toolchain (without parser) took 1441.40ms. Allocated memory is still 104.9MB. Free memory was 64.1MB in the beginning and 79.9MB in the end (delta: -15.8MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:31:52,650 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 104.9MB. Free memory was 82.7MB in the beginning and 82.6MB in the end (delta: 91.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:31:52,651 INFO L158 Benchmark]: CACSL2BoogieTranslator took 658.19ms. Allocated memory is still 104.9MB. Free memory was 63.9MB in the beginning and 58.7MB in the end (delta: 5.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-10-17 16:31:52,652 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.49ms. Allocated memory is still 104.9MB. Free memory was 58.7MB in the beginning and 56.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:31:52,653 INFO L158 Benchmark]: Boogie Preprocessor took 34.49ms. Allocated memory is still 104.9MB. Free memory was 55.8MB in the beginning and 54.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:31:52,654 INFO L158 Benchmark]: RCFGBuilder took 634.68ms. Allocated memory is still 104.9MB. Free memory was 54.2MB in the beginning and 78.1MB in the end (delta: -24.0MB). Peak memory consumption was 21.9MB. Max. memory is 16.1GB. [2022-10-17 16:31:52,655 INFO L158 Benchmark]: CodeCheck took 52.30ms. Allocated memory is still 104.9MB. Free memory was 78.1MB in the beginning and 79.9MB in the end (delta: -1.8MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. [2022-10-17 16:31:52,673 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 104.9MB. Free memory was 82.7MB in the beginning and 82.6MB in the end (delta: 91.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 658.19ms. Allocated memory is still 104.9MB. Free memory was 63.9MB in the beginning and 58.7MB in the end (delta: 5.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.49ms. Allocated memory is still 104.9MB. Free memory was 58.7MB in the beginning and 56.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.49ms. Allocated memory is still 104.9MB. Free memory was 55.8MB in the beginning and 54.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 634.68ms. Allocated memory is still 104.9MB. Free memory was 54.2MB in the beginning and 78.1MB in the end (delta: -24.0MB). Peak memory consumption was 21.9MB. Max. memory is 16.1GB. * CodeCheck took 52.30ms. Allocated memory is still 104.9MB. Free memory was 78.1MB in the beginning and 79.9MB in the end (delta: -1.8MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-10-17 16:31:52,729 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6573ccd7-433d-42cd-9cf9-f73c958e5c80/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6573ccd7-433d-42cd-9cf9-f73c958e5c80/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6573ccd7-433d-42cd-9cf9-f73c958e5c80/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6573ccd7-433d-42cd-9cf9-f73c958e5c80/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6573ccd7-433d-42cd-9cf9-f73c958e5c80/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/stack-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6573ccd7-433d-42cd-9cf9-f73c958e5c80/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6573ccd7-433d-42cd-9cf9-f73c958e5c80/bin/ukojak-92XMlrwhuB --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a5e93db72222dd521789305cbf7823ac91f269c62c97020d54f95f5ba14d3fd2 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 16:31:55,294 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:31:55,297 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:31:55,355 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:31:55,356 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:31:55,362 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:31:55,365 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:31:55,370 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:31:55,378 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:31:55,386 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:31:55,387 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:31:55,388 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:31:55,389 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:31:55,390 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:31:55,391 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:31:55,393 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:31:55,394 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:31:55,395 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:31:55,402 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:31:55,413 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:31:55,415 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:31:55,419 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:31:55,420 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:31:55,424 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:31:55,431 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:31:55,431 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:31:55,431 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:31:55,434 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:31:55,435 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:31:55,436 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:31:55,436 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:31:55,437 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:31:55,439 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:31:55,440 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:31:55,443 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:31:55,443 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:31:55,445 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:31:55,445 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:31:55,445 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:31:55,447 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:31:55,448 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:31:55,451 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6573ccd7-433d-42cd-9cf9-f73c958e5c80/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2022-10-17 16:31:55,501 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:31:55,502 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:31:55,504 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:31:55,505 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:31:55,506 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:31:55,507 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:31:55,507 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:31:55,507 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:31:55,507 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:31:55,508 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:31:55,509 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:31:55,509 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:31:55,509 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:31:55,510 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-10-17 16:31:55,510 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-10-17 16:31:55,510 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-10-17 16:31:55,510 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:31:55,511 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:31:55,511 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:31:55,511 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:31:55,511 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:31:55,512 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:31:55,512 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:31:55,512 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:31:55,512 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:31:55,513 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:31:55,513 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:31:55,513 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-10-17 16:31:55,513 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-10-17 16:31:55,514 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:31:55,514 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-10-17 16:31:55,514 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-10-17 16:31:55,514 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_6573ccd7-433d-42cd-9cf9-f73c958e5c80/bin/ukojak-92XMlrwhuB/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6573ccd7-433d-42cd-9cf9-f73c958e5c80/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a5e93db72222dd521789305cbf7823ac91f269c62c97020d54f95f5ba14d3fd2 [2022-10-17 16:31:55,933 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:31:55,966 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:31:55,969 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:31:55,970 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:31:55,971 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:31:55,975 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6573ccd7-433d-42cd-9cf9-f73c958e5c80/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/pthread/stack-1.i [2022-10-17 16:31:56,058 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6573ccd7-433d-42cd-9cf9-f73c958e5c80/bin/ukojak-92XMlrwhuB/data/a7d3c1774/0d92bd53cf3948e290bea49d4bf4aa4a/FLAGdca920dd6 [2022-10-17 16:31:56,757 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:31:56,757 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6573ccd7-433d-42cd-9cf9-f73c958e5c80/sv-benchmarks/c/pthread/stack-1.i [2022-10-17 16:31:56,781 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6573ccd7-433d-42cd-9cf9-f73c958e5c80/bin/ukojak-92XMlrwhuB/data/a7d3c1774/0d92bd53cf3948e290bea49d4bf4aa4a/FLAGdca920dd6 [2022-10-17 16:31:57,057 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6573ccd7-433d-42cd-9cf9-f73c958e5c80/bin/ukojak-92XMlrwhuB/data/a7d3c1774/0d92bd53cf3948e290bea49d4bf4aa4a [2022-10-17 16:31:57,061 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:31:57,063 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:31:57,067 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:31:57,067 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:31:57,070 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:31:57,071 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:31:57" (1/1) ... [2022-10-17 16:31:57,073 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c7d856e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:57, skipping insertion in model container [2022-10-17 16:31:57,074 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:31:57" (1/1) ... [2022-10-17 16:31:57,082 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:31:57,142 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:31:57,742 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6573ccd7-433d-42cd-9cf9-f73c958e5c80/sv-benchmarks/c/pthread/stack-1.i[41520,41533] [2022-10-17 16:31:57,771 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:31:57,787 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:31:57,826 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6573ccd7-433d-42cd-9cf9-f73c958e5c80/sv-benchmarks/c/pthread/stack-1.i[41520,41533] [2022-10-17 16:31:57,838 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:31:57,928 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:31:57,929 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:57 WrapperNode [2022-10-17 16:31:57,930 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:31:57,931 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:31:57,932 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:31:57,932 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:31:57,940 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:57" (1/1) ... [2022-10-17 16:31:57,975 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:57" (1/1) ... [2022-10-17 16:31:58,005 INFO L138 Inliner]: procedures = 281, calls = 45, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 139 [2022-10-17 16:31:58,006 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:31:58,007 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:31:58,007 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:31:58,007 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:31:58,017 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:57" (1/1) ... [2022-10-17 16:31:58,017 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:57" (1/1) ... [2022-10-17 16:31:58,022 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:57" (1/1) ... [2022-10-17 16:31:58,023 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:57" (1/1) ... [2022-10-17 16:31:58,034 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:57" (1/1) ... [2022-10-17 16:31:58,039 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:57" (1/1) ... [2022-10-17 16:31:58,042 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:57" (1/1) ... [2022-10-17 16:31:58,044 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:57" (1/1) ... [2022-10-17 16:31:58,050 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:31:58,051 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:31:58,051 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:31:58,051 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:31:58,052 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:57" (1/1) ... [2022-10-17 16:31:58,059 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:31:58,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6573ccd7-433d-42cd-9cf9-f73c958e5c80/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:31:58,095 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6573ccd7-433d-42cd-9cf9-f73c958e5c80/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:31:58,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6573ccd7-433d-42cd-9cf9-f73c958e5c80/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:31:58,149 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-10-17 16:31:58,149 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2022-10-17 16:31:58,150 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2022-10-17 16:31:58,150 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2022-10-17 16:31:58,150 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2022-10-17 16:31:58,150 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:31:58,150 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:31:58,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-10-17 16:31:58,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-10-17 16:31:58,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-10-17 16:31:58,153 INFO L130 BoogieDeclarations]: Found specification of procedure get_top [2022-10-17 16:31:58,153 INFO L138 BoogieDeclarations]: Found implementation of procedure get_top [2022-10-17 16:31:58,153 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-10-17 16:31:58,153 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:31:58,153 INFO L130 BoogieDeclarations]: Found specification of procedure error [2022-10-17 16:31:58,153 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2022-10-17 16:31:58,153 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:31:58,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:31:58,155 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-10-17 16:31:58,414 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:31:58,416 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:31:58,901 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:31:58,917 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:31:58,917 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-17 16:31:58,920 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:31:58 BoogieIcfgContainer [2022-10-17 16:31:58,921 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:31:58,922 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:31:58,922 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:31:58,933 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:31:58,933 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:31:58" (1/1) ... [2022-10-17 16:31:58,934 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:358) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-10-17 16:31:58,942 INFO L158 Benchmark]: Toolchain (without parser) took 1876.98ms. Allocated memory was 67.1MB in the beginning and 83.9MB in the end (delta: 16.8MB). Free memory was 40.9MB in the beginning and 53.3MB in the end (delta: -12.4MB). Peak memory consumption was 5.6MB. Max. memory is 16.1GB. [2022-10-17 16:31:58,943 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 52.4MB. Free memory was 31.8MB in the beginning and 31.8MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:31:58,944 INFO L158 Benchmark]: CACSL2BoogieTranslator took 863.60ms. Allocated memory is still 67.1MB. Free memory was 40.7MB in the beginning and 45.0MB in the end (delta: -4.3MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. [2022-10-17 16:31:58,946 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.20ms. Allocated memory is still 67.1MB. Free memory was 45.0MB in the beginning and 42.2MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:31:58,947 INFO L158 Benchmark]: Boogie Preprocessor took 43.40ms. Allocated memory is still 67.1MB. Free memory was 42.2MB in the beginning and 39.9MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:31:58,948 INFO L158 Benchmark]: RCFGBuilder took 870.00ms. Allocated memory was 67.1MB in the beginning and 83.9MB in the end (delta: 16.8MB). Free memory was 39.9MB in the beginning and 54.3MB in the end (delta: -14.4MB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB. [2022-10-17 16:31:58,949 INFO L158 Benchmark]: CodeCheck took 16.38ms. Allocated memory is still 83.9MB. Free memory was 54.3MB in the beginning and 53.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:31:58,960 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 52.4MB. Free memory was 31.8MB in the beginning and 31.8MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 863.60ms. Allocated memory is still 67.1MB. Free memory was 40.7MB in the beginning and 45.0MB in the end (delta: -4.3MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.20ms. Allocated memory is still 67.1MB. Free memory was 45.0MB in the beginning and 42.2MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.40ms. Allocated memory is still 67.1MB. Free memory was 42.2MB in the beginning and 39.9MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 870.00ms. Allocated memory was 67.1MB in the beginning and 83.9MB in the end (delta: 16.8MB). Free memory was 39.9MB in the beginning and 54.3MB in the end (delta: -14.4MB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB. * CodeCheck took 16.38ms. Allocated memory is still 83.9MB. Free memory was 54.3MB in the beginning and 53.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-10-17 16:31:59,020 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6573ccd7-433d-42cd-9cf9-f73c958e5c80/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported