./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 e04fb08f 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_a93b9245-169b-4ec0-b92c-e81db69b529a/bin/ukojak-CydTVMUXoH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a93b9245-169b-4ec0-b92c-e81db69b529a/bin/ukojak-CydTVMUXoH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a93b9245-169b-4ec0-b92c-e81db69b529a/bin/ukojak-CydTVMUXoH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a93b9245-169b-4ec0-b92c-e81db69b529a/bin/ukojak-CydTVMUXoH/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread/stack_longest-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a93b9245-169b-4ec0-b92c-e81db69b529a/bin/ukojak-CydTVMUXoH/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a93b9245-169b-4ec0-b92c-e81db69b529a/bin/ukojak-CydTVMUXoH --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 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-e04fb08 [2022-11-16 08:25:24,046 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 08:25:24,048 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 08:25:24,069 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 08:25:24,069 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 08:25:24,070 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 08:25:24,071 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 08:25:24,073 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 08:25:24,084 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 08:25:24,088 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 08:25:24,089 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 08:25:24,090 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 08:25:24,090 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 08:25:24,091 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 08:25:24,092 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 08:25:24,093 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 08:25:24,094 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 08:25:24,095 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 08:25:24,096 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 08:25:24,098 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 08:25:24,109 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 08:25:24,111 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 08:25:24,116 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 08:25:24,117 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 08:25:24,127 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 08:25:24,127 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 08:25:24,128 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 08:25:24,129 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 08:25:24,129 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 08:25:24,130 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 08:25:24,130 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 08:25:24,131 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 08:25:24,131 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 08:25:24,132 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 08:25:24,133 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 08:25:24,133 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 08:25:24,134 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 08:25:24,134 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 08:25:24,134 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 08:25:24,135 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 08:25:24,136 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 08:25:24,142 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a93b9245-169b-4ec0-b92c-e81db69b529a/bin/ukojak-CydTVMUXoH/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2022-11-16 08:25:24,181 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 08:25:24,181 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 08:25:24,183 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 08:25:24,183 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 08:25:24,184 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 08:25:24,184 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 08:25:24,184 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 08:25:24,184 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 08:25:24,184 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 08:25:24,184 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 08:25:24,186 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-16 08:25:24,186 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-16 08:25:24,186 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-16 08:25:24,186 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 08:25:24,186 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 08:25:24,187 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 08:25:24,187 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-16 08:25:24,187 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-16 08:25:24,187 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 08:25:24,187 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-16 08:25:24,188 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 08:25:24,188 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 08:25:24,188 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-16 08:25:24,188 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 08:25:24,188 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_a93b9245-169b-4ec0-b92c-e81db69b529a/bin/ukojak-CydTVMUXoH/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a93b9245-169b-4ec0-b92c-e81db69b529a/bin/ukojak-CydTVMUXoH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5773bc320dd9dee5d943610df8c4ec3040864edddf388dd42a51d37167245e47 [2022-11-16 08:25:24,480 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 08:25:24,515 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 08:25:24,518 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 08:25:24,519 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 08:25:24,520 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 08:25:24,522 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a93b9245-169b-4ec0-b92c-e81db69b529a/bin/ukojak-CydTVMUXoH/../../sv-benchmarks/c/pthread/stack_longest-2.i [2022-11-16 08:25:24,615 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a93b9245-169b-4ec0-b92c-e81db69b529a/bin/ukojak-CydTVMUXoH/data/dac83a578/8075c873d41d4d038120c510fd7b2bde/FLAG2cdbca678 [2022-11-16 08:25:25,207 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 08:25:25,208 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a93b9245-169b-4ec0-b92c-e81db69b529a/sv-benchmarks/c/pthread/stack_longest-2.i [2022-11-16 08:25:25,222 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a93b9245-169b-4ec0-b92c-e81db69b529a/bin/ukojak-CydTVMUXoH/data/dac83a578/8075c873d41d4d038120c510fd7b2bde/FLAG2cdbca678 [2022-11-16 08:25:25,510 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a93b9245-169b-4ec0-b92c-e81db69b529a/bin/ukojak-CydTVMUXoH/data/dac83a578/8075c873d41d4d038120c510fd7b2bde [2022-11-16 08:25:25,513 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 08:25:25,515 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 08:25:25,518 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 08:25:25,518 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 08:25:25,521 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 08:25:25,522 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:25:25" (1/1) ... [2022-11-16 08:25:25,523 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d44a9b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:25:25, skipping insertion in model container [2022-11-16 08:25:25,524 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:25:25" (1/1) ... [2022-11-16 08:25:25,532 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 08:25:25,601 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 08:25:26,120 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a93b9245-169b-4ec0-b92c-e81db69b529a/sv-benchmarks/c/pthread/stack_longest-2.i[41530,41543] [2022-11-16 08:25:26,142 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 08:25:26,152 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 08:25:26,192 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a93b9245-169b-4ec0-b92c-e81db69b529a/sv-benchmarks/c/pthread/stack_longest-2.i[41530,41543] [2022-11-16 08:25:26,201 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 08:25:26,257 INFO L208 MainTranslator]: Completed translation [2022-11-16 08:25:26,258 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:25:26 WrapperNode [2022-11-16 08:25:26,258 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 08:25:26,259 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 08:25:26,259 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 08:25:26,259 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 08:25:26,266 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:25:26" (1/1) ... [2022-11-16 08:25:26,283 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:25:26" (1/1) ... [2022-11-16 08:25:26,309 INFO L138 Inliner]: procedures = 277, calls = 40, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 150 [2022-11-16 08:25:26,310 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 08:25:26,310 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 08:25:26,310 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 08:25:26,311 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 08:25:26,321 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:25:26" (1/1) ... [2022-11-16 08:25:26,322 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:25:26" (1/1) ... [2022-11-16 08:25:26,326 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:25:26" (1/1) ... [2022-11-16 08:25:26,326 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:25:26" (1/1) ... [2022-11-16 08:25:26,345 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:25:26" (1/1) ... [2022-11-16 08:25:26,350 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:25:26" (1/1) ... [2022-11-16 08:25:26,351 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:25:26" (1/1) ... [2022-11-16 08:25:26,353 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:25:26" (1/1) ... [2022-11-16 08:25:26,372 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 08:25:26,373 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 08:25:26,373 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 08:25:26,373 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 08:25:26,374 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:25:26" (1/1) ... [2022-11-16 08:25:26,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-16 08:25:26,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a93b9245-169b-4ec0-b92c-e81db69b529a/bin/ukojak-CydTVMUXoH/z3 [2022-11-16 08:25:26,416 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a93b9245-169b-4ec0-b92c-e81db69b529a/bin/ukojak-CydTVMUXoH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-16 08:25:26,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a93b9245-169b-4ec0-b92c-e81db69b529a/bin/ukojak-CydTVMUXoH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-16 08:25:26,477 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2022-11-16 08:25:26,478 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2022-11-16 08:25:26,479 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2022-11-16 08:25:26,480 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2022-11-16 08:25:26,480 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 08:25:26,480 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 08:25:26,482 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 08:25:26,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 08:25:26,482 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-16 08:25:26,483 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 08:25:26,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 08:25:26,483 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 08:25:26,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 08:25:26,485 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-16 08:25:26,739 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 08:25:26,749 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 08:25:27,171 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 08:25:27,181 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 08:25:27,184 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-16 08:25:27,187 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 08:25:27 BoogieIcfgContainer [2022-11-16 08:25:27,187 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 08:25:27,188 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-16 08:25:27,188 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-16 08:25:27,196 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-16 08:25:27,197 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 08:25:27" (1/1) ... [2022-11-16 08:25:27,197 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:358) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-16 08:25:27,201 INFO L158 Benchmark]: Toolchain (without parser) took 1685.75ms. Allocated memory is still 117.4MB. Free memory was 81.0MB in the beginning and 48.0MB in the end (delta: 33.0MB). Peak memory consumption was 29.2MB. Max. memory is 16.1GB. [2022-11-16 08:25:27,202 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 117.4MB. Free memory was 90.2MB in the beginning and 90.2MB in the end (delta: 27.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 08:25:27,203 INFO L158 Benchmark]: CACSL2BoogieTranslator took 740.42ms. Allocated memory is still 117.4MB. Free memory was 80.6MB in the beginning and 72.5MB in the end (delta: 8.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-16 08:25:27,204 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.00ms. Allocated memory is still 117.4MB. Free memory was 72.5MB in the beginning and 69.7MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 08:25:27,204 INFO L158 Benchmark]: Boogie Preprocessor took 61.65ms. Allocated memory is still 117.4MB. Free memory was 69.7MB in the beginning and 68.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 08:25:27,205 INFO L158 Benchmark]: RCFGBuilder took 814.73ms. Allocated memory is still 117.4MB. Free memory was 68.3MB in the beginning and 48.5MB in the end (delta: 19.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-16 08:25:27,206 INFO L158 Benchmark]: CodeCheck took 11.82ms. Allocated memory is still 117.4MB. Free memory was 48.5MB in the beginning and 48.0MB in the end (delta: 464.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 08:25:27,209 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 0.38ms. Allocated memory is still 117.4MB. Free memory was 90.2MB in the beginning and 90.2MB in the end (delta: 27.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 740.42ms. Allocated memory is still 117.4MB. Free memory was 80.6MB in the beginning and 72.5MB in the end (delta: 8.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.00ms. Allocated memory is still 117.4MB. Free memory was 72.5MB in the beginning and 69.7MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.65ms. Allocated memory is still 117.4MB. Free memory was 69.7MB in the beginning and 68.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 814.73ms. Allocated memory is still 117.4MB. Free memory was 68.3MB in the beginning and 48.5MB in the end (delta: 19.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 11.82ms. Allocated memory is still 117.4MB. Free memory was 48.5MB in the beginning and 48.0MB in the end (delta: 464.7kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-16 08:25:27,232 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a93b9245-169b-4ec0-b92c-e81db69b529a/bin/ukojak-CydTVMUXoH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally 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_a93b9245-169b-4ec0-b92c-e81db69b529a/bin/ukojak-CydTVMUXoH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a93b9245-169b-4ec0-b92c-e81db69b529a/bin/ukojak-CydTVMUXoH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a93b9245-169b-4ec0-b92c-e81db69b529a/bin/ukojak-CydTVMUXoH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a93b9245-169b-4ec0-b92c-e81db69b529a/bin/ukojak-CydTVMUXoH/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread/stack_longest-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a93b9245-169b-4ec0-b92c-e81db69b529a/bin/ukojak-CydTVMUXoH/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a93b9245-169b-4ec0-b92c-e81db69b529a/bin/ukojak-CydTVMUXoH --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 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-e04fb08 [2022-11-16 08:25:29,440 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 08:25:29,442 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 08:25:29,463 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 08:25:29,464 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 08:25:29,465 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 08:25:29,467 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 08:25:29,469 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 08:25:29,471 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 08:25:29,472 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 08:25:29,473 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 08:25:29,474 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 08:25:29,475 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 08:25:29,476 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 08:25:29,477 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 08:25:29,478 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 08:25:29,483 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 08:25:29,484 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 08:25:29,486 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 08:25:29,488 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 08:25:29,490 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 08:25:29,496 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 08:25:29,497 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 08:25:29,498 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 08:25:29,502 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 08:25:29,502 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 08:25:29,502 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 08:25:29,503 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 08:25:29,504 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 08:25:29,505 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 08:25:29,505 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 08:25:29,506 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 08:25:29,515 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 08:25:29,516 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 08:25:29,517 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 08:25:29,517 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 08:25:29,518 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 08:25:29,518 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 08:25:29,519 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 08:25:29,519 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 08:25:29,520 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 08:25:29,521 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a93b9245-169b-4ec0-b92c-e81db69b529a/bin/ukojak-CydTVMUXoH/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2022-11-16 08:25:29,570 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 08:25:29,570 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 08:25:29,571 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 08:25:29,571 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 08:25:29,572 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 08:25:29,572 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 08:25:29,572 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 08:25:29,572 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 08:25:29,572 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 08:25:29,573 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 08:25:29,573 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-16 08:25:29,573 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-16 08:25:29,573 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-16 08:25:29,573 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 08:25:29,574 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-16 08:25:29,574 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-16 08:25:29,577 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-16 08:25:29,577 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 08:25:29,578 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 08:25:29,578 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-16 08:25:29,578 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-16 08:25:29,578 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 08:25:29,578 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-16 08:25:29,579 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 08:25:29,579 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 08:25:29,579 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-16 08:25:29,580 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-16 08:25:29,580 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-11-16 08:25:29,580 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-16 08:25:29,581 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_a93b9245-169b-4ec0-b92c-e81db69b529a/bin/ukojak-CydTVMUXoH/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a93b9245-169b-4ec0-b92c-e81db69b529a/bin/ukojak-CydTVMUXoH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5773bc320dd9dee5d943610df8c4ec3040864edddf388dd42a51d37167245e47 [2022-11-16 08:25:29,956 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 08:25:29,978 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 08:25:29,980 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 08:25:29,982 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 08:25:29,983 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 08:25:29,984 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a93b9245-169b-4ec0-b92c-e81db69b529a/bin/ukojak-CydTVMUXoH/../../sv-benchmarks/c/pthread/stack_longest-2.i [2022-11-16 08:25:30,069 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a93b9245-169b-4ec0-b92c-e81db69b529a/bin/ukojak-CydTVMUXoH/data/6ea689cdd/e120a940e6704fabb166103caa460748/FLAG8cb575b57 [2022-11-16 08:25:30,692 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 08:25:30,693 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a93b9245-169b-4ec0-b92c-e81db69b529a/sv-benchmarks/c/pthread/stack_longest-2.i [2022-11-16 08:25:30,713 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a93b9245-169b-4ec0-b92c-e81db69b529a/bin/ukojak-CydTVMUXoH/data/6ea689cdd/e120a940e6704fabb166103caa460748/FLAG8cb575b57 [2022-11-16 08:25:30,988 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a93b9245-169b-4ec0-b92c-e81db69b529a/bin/ukojak-CydTVMUXoH/data/6ea689cdd/e120a940e6704fabb166103caa460748 [2022-11-16 08:25:30,990 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 08:25:30,992 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 08:25:30,993 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 08:25:30,993 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 08:25:30,997 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 08:25:31,001 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:25:30" (1/1) ... [2022-11-16 08:25:31,002 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e00ca56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:25:31, skipping insertion in model container [2022-11-16 08:25:31,003 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:25:30" (1/1) ... [2022-11-16 08:25:31,010 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 08:25:31,049 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 08:25:31,538 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a93b9245-169b-4ec0-b92c-e81db69b529a/sv-benchmarks/c/pthread/stack_longest-2.i[41530,41543] [2022-11-16 08:25:31,562 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 08:25:31,575 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 08:25:31,632 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a93b9245-169b-4ec0-b92c-e81db69b529a/sv-benchmarks/c/pthread/stack_longest-2.i[41530,41543] [2022-11-16 08:25:31,642 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 08:25:31,706 INFO L208 MainTranslator]: Completed translation [2022-11-16 08:25:31,707 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:25:31 WrapperNode [2022-11-16 08:25:31,707 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 08:25:31,708 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 08:25:31,708 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 08:25:31,708 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 08:25:31,715 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:25:31" (1/1) ... [2022-11-16 08:25:31,748 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:25:31" (1/1) ... [2022-11-16 08:25:31,793 INFO L138 Inliner]: procedures = 281, calls = 40, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 147 [2022-11-16 08:25:31,793 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 08:25:31,794 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 08:25:31,794 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 08:25:31,794 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 08:25:31,807 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:25:31" (1/1) ... [2022-11-16 08:25:31,807 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:25:31" (1/1) ... [2022-11-16 08:25:31,825 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:25:31" (1/1) ... [2022-11-16 08:25:31,826 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:25:31" (1/1) ... [2022-11-16 08:25:31,833 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:25:31" (1/1) ... [2022-11-16 08:25:31,837 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:25:31" (1/1) ... [2022-11-16 08:25:31,839 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:25:31" (1/1) ... [2022-11-16 08:25:31,840 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:25:31" (1/1) ... [2022-11-16 08:25:31,844 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 08:25:31,845 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 08:25:31,845 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 08:25:31,845 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 08:25:31,846 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:25:31" (1/1) ... [2022-11-16 08:25:31,852 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-16 08:25:31,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a93b9245-169b-4ec0-b92c-e81db69b529a/bin/ukojak-CydTVMUXoH/z3 [2022-11-16 08:25:31,875 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a93b9245-169b-4ec0-b92c-e81db69b529a/bin/ukojak-CydTVMUXoH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-16 08:25:31,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a93b9245-169b-4ec0-b92c-e81db69b529a/bin/ukojak-CydTVMUXoH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-16 08:25:31,929 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-16 08:25:31,930 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2022-11-16 08:25:31,930 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2022-11-16 08:25:31,930 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2022-11-16 08:25:31,931 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2022-11-16 08:25:31,931 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 08:25:31,931 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 08:25:31,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-16 08:25:31,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-16 08:25:31,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-16 08:25:31,932 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-16 08:25:31,932 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 08:25:31,932 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 08:25:31,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 08:25:31,934 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-16 08:25:32,170 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 08:25:32,172 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 08:25:32,590 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 08:25:32,598 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 08:25:32,599 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-16 08:25:32,601 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 08:25:32 BoogieIcfgContainer [2022-11-16 08:25:32,601 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 08:25:32,602 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-16 08:25:32,602 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-16 08:25:32,612 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-16 08:25:32,612 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 08:25:32" (1/1) ... [2022-11-16 08:25:32,613 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:358) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-16 08:25:32,617 INFO L158 Benchmark]: Toolchain (without parser) took 1624.68ms. Allocated memory was 65.0MB in the beginning and 88.1MB in the end (delta: 23.1MB). Free memory was 43.7MB in the beginning and 65.0MB in the end (delta: -21.4MB). Peak memory consumption was 696.5kB. Max. memory is 16.1GB. [2022-11-16 08:25:32,618 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 65.0MB. Free memory was 46.0MB in the beginning and 45.9MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 08:25:32,619 INFO L158 Benchmark]: CACSL2BoogieTranslator took 714.47ms. Allocated memory is still 65.0MB. Free memory was 43.5MB in the beginning and 28.8MB in the end (delta: 14.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-16 08:25:32,619 INFO L158 Benchmark]: Boogie Procedure Inliner took 85.43ms. Allocated memory is still 65.0MB. Free memory was 28.8MB in the beginning and 47.2MB in the end (delta: -18.4MB). Peak memory consumption was 8.1MB. Max. memory is 16.1GB. [2022-11-16 08:25:32,620 INFO L158 Benchmark]: Boogie Preprocessor took 50.29ms. Allocated memory is still 65.0MB. Free memory was 47.2MB in the beginning and 45.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 08:25:32,621 INFO L158 Benchmark]: RCFGBuilder took 756.53ms. Allocated memory was 65.0MB in the beginning and 88.1MB in the end (delta: 23.1MB). Free memory was 45.1MB in the beginning and 66.2MB in the end (delta: -21.1MB). Peak memory consumption was 20.5MB. Max. memory is 16.1GB. [2022-11-16 08:25:32,621 INFO L158 Benchmark]: CodeCheck took 13.49ms. Allocated memory is still 88.1MB. Free memory was 66.2MB in the beginning and 65.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 08:25:32,625 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 65.0MB. Free memory was 46.0MB in the beginning and 45.9MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 714.47ms. Allocated memory is still 65.0MB. Free memory was 43.5MB in the beginning and 28.8MB in the end (delta: 14.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 85.43ms. Allocated memory is still 65.0MB. Free memory was 28.8MB in the beginning and 47.2MB in the end (delta: -18.4MB). Peak memory consumption was 8.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.29ms. Allocated memory is still 65.0MB. Free memory was 47.2MB in the beginning and 45.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 756.53ms. Allocated memory was 65.0MB in the beginning and 88.1MB in the end (delta: 23.1MB). Free memory was 45.1MB in the beginning and 66.2MB in the end (delta: -21.1MB). Peak memory consumption was 20.5MB. Max. memory is 16.1GB. * CodeCheck took 13.49ms. Allocated memory is still 88.1MB. Free memory was 66.2MB in the beginning and 65.0MB 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. [2022-11-16 08:25:32,647 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a93b9245-169b-4ec0-b92c-e81db69b529a/bin/ukojak-CydTVMUXoH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported