./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/pthread-ext/26_stack_cas.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 2329fc70 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_28644082-0ead-4eea-b846-080b9dfcb263/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28644082-0ead-4eea-b846-080b9dfcb263/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28644082-0ead-4eea-b846-080b9dfcb263/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28644082-0ead-4eea-b846-080b9dfcb263/bin/ukojak-rkRKPMF4O4/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-ext/26_stack_cas.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28644082-0ead-4eea-b846-080b9dfcb263/bin/ukojak-rkRKPMF4O4/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28644082-0ead-4eea-b846-080b9dfcb263/bin/ukojak-rkRKPMF4O4 --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 fa97ad6141e9aa8818b694f4968e766701fe7261f516cd86f7a15e5cf1a3d14d --- 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-2329fc7 [2022-12-15 00:58:23,390 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 00:58:23,392 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 00:58:23,412 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 00:58:23,412 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 00:58:23,413 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 00:58:23,415 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 00:58:23,416 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 00:58:23,418 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 00:58:23,419 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 00:58:23,420 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 00:58:23,421 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 00:58:23,421 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 00:58:23,422 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 00:58:23,424 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 00:58:23,425 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 00:58:23,425 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 00:58:23,426 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 00:58:23,428 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 00:58:23,430 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 00:58:23,431 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 00:58:23,433 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 00:58:23,434 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 00:58:23,435 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 00:58:23,438 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 00:58:23,438 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 00:58:23,439 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 00:58:23,440 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 00:58:23,440 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 00:58:23,441 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 00:58:23,441 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 00:58:23,442 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 00:58:23,443 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 00:58:23,444 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 00:58:23,445 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 00:58:23,445 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 00:58:23,446 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 00:58:23,446 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 00:58:23,446 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 00:58:23,447 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 00:58:23,447 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 00:58:23,448 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28644082-0ead-4eea-b846-080b9dfcb263/bin/ukojak-rkRKPMF4O4/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2022-12-15 00:58:23,471 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 00:58:23,471 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 00:58:23,472 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 00:58:23,472 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 00:58:23,473 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 00:58:23,473 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-15 00:58:23,473 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-15 00:58:23,473 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 00:58:23,473 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-15 00:58:23,473 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 00:58:23,474 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-15 00:58:23,474 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-15 00:58:23,474 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-12-15 00:58:23,474 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 00:58:23,474 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-15 00:58:23,474 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 00:58:23,475 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 00:58:23,475 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 00:58:23,475 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 00:58:23,475 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 00:58:23,475 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 00:58:23,475 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 00:58:23,475 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 00:58:23,475 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 00:58:23,476 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_28644082-0ead-4eea-b846-080b9dfcb263/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28644082-0ead-4eea-b846-080b9dfcb263/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fa97ad6141e9aa8818b694f4968e766701fe7261f516cd86f7a15e5cf1a3d14d [2022-12-15 00:58:23,661 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 00:58:23,679 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 00:58:23,681 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 00:58:23,682 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 00:58:23,682 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 00:58:23,683 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28644082-0ead-4eea-b846-080b9dfcb263/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/pthread-ext/26_stack_cas.i [2022-12-15 00:58:26,159 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 00:58:26,367 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 00:58:26,367 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28644082-0ead-4eea-b846-080b9dfcb263/sv-benchmarks/c/pthread-ext/26_stack_cas.i [2022-12-15 00:58:26,378 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28644082-0ead-4eea-b846-080b9dfcb263/bin/ukojak-rkRKPMF4O4/data/81219b0ad/cd613f22b94c4bee877f20ce15b13f23/FLAG15d167956 [2022-12-15 00:58:26,756 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28644082-0ead-4eea-b846-080b9dfcb263/bin/ukojak-rkRKPMF4O4/data/81219b0ad/cd613f22b94c4bee877f20ce15b13f23 [2022-12-15 00:58:26,761 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 00:58:26,764 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 00:58:26,766 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 00:58:26,766 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 00:58:26,771 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 00:58:26,772 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:58:26" (1/1) ... [2022-12-15 00:58:26,773 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b4f3683 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:58:26, skipping insertion in model container [2022-12-15 00:58:26,773 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:58:26" (1/1) ... [2022-12-15 00:58:26,781 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 00:58:26,810 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 00:58:27,043 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28644082-0ead-4eea-b846-080b9dfcb263/sv-benchmarks/c/pthread-ext/26_stack_cas.i[31152,31165] [2022-12-15 00:58:27,050 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 00:58:27,059 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 00:58:27,088 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28644082-0ead-4eea-b846-080b9dfcb263/sv-benchmarks/c/pthread-ext/26_stack_cas.i[31152,31165] [2022-12-15 00:58:27,091 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 00:58:27,112 INFO L208 MainTranslator]: Completed translation [2022-12-15 00:58:27,113 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:58:27 WrapperNode [2022-12-15 00:58:27,113 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 00:58:27,113 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 00:58:27,114 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 00:58:27,114 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 00:58:27,119 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:58:27" (1/1) ... [2022-12-15 00:58:27,130 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:58:27" (1/1) ... [2022-12-15 00:58:27,148 INFO L138 Inliner]: procedures = 177, calls = 47, calls flagged for inlining = 16, calls inlined = 19, statements flattened = 189 [2022-12-15 00:58:27,149 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 00:58:27,149 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 00:58:27,149 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 00:58:27,149 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 00:58:27,157 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:58:27" (1/1) ... [2022-12-15 00:58:27,157 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:58:27" (1/1) ... [2022-12-15 00:58:27,159 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:58:27" (1/1) ... [2022-12-15 00:58:27,160 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:58:27" (1/1) ... [2022-12-15 00:58:27,164 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:58:27" (1/1) ... [2022-12-15 00:58:27,167 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:58:27" (1/1) ... [2022-12-15 00:58:27,169 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:58:27" (1/1) ... [2022-12-15 00:58:27,170 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:58:27" (1/1) ... [2022-12-15 00:58:27,172 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 00:58:27,173 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 00:58:27,173 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 00:58:27,173 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 00:58:27,174 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:58:27" (1/1) ... [2022-12-15 00:58:27,187 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 00:58:27,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28644082-0ead-4eea-b846-080b9dfcb263/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 00:58:27,208 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28644082-0ead-4eea-b846-080b9dfcb263/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 00:58:27,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28644082-0ead-4eea-b846-080b9dfcb263/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 00:58:27,241 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-15 00:58:27,241 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-12-15 00:58:27,241 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-12-15 00:58:27,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-15 00:58:27,241 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 00:58:27,241 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-15 00:58:27,241 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-15 00:58:27,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-15 00:58:27,242 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 00:58:27,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 00:58:27,243 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-15 00:58:27,348 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 00:58:27,350 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 00:58:27,675 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 00:58:27,862 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 00:58:27,862 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-12-15 00:58:27,865 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:58:27 BoogieIcfgContainer [2022-12-15 00:58:27,865 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 00:58:27,866 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 00:58:27,866 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 00:58:27,876 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 00:58:27,876 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:58:27" (1/1) ... [2022-12-15 00:58:27,877 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) [2022-12-15 00:58:27,881 INFO L158 Benchmark]: Toolchain (without parser) took 1116.22ms. Allocated memory was 115.3MB in the beginning and 146.8MB in the end (delta: 31.5MB). Free memory was 78.9MB in the beginning and 62.4MB in the end (delta: 16.5MB). Peak memory consumption was 50.1MB. Max. memory is 16.1GB. [2022-12-15 00:58:27,881 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 115.3MB. Free memory is still 64.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 00:58:27,882 INFO L158 Benchmark]: CACSL2BoogieTranslator took 347.00ms. Allocated memory is still 115.3MB. Free memory was 78.9MB in the beginning and 58.4MB in the end (delta: 20.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-12-15 00:58:27,882 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.46ms. Allocated memory is still 115.3MB. Free memory was 58.4MB in the beginning and 55.9MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 00:58:27,883 INFO L158 Benchmark]: Boogie Preprocessor took 22.93ms. Allocated memory is still 115.3MB. Free memory was 55.9MB in the beginning and 53.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 00:58:27,883 INFO L158 Benchmark]: RCFGBuilder took 692.32ms. Allocated memory was 115.3MB in the beginning and 146.8MB in the end (delta: 31.5MB). Free memory was 53.8MB in the beginning and 63.6MB in the end (delta: -9.8MB). Peak memory consumption was 29.1MB. Max. memory is 16.1GB. [2022-12-15 00:58:27,884 INFO L158 Benchmark]: CodeCheck took 13.24ms. Allocated memory is still 146.8MB. Free memory was 63.6MB in the beginning and 62.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 00:58:27,887 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 0.13ms. Allocated memory is still 115.3MB. Free memory is still 64.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 347.00ms. Allocated memory is still 115.3MB. Free memory was 78.9MB in the beginning and 58.4MB in the end (delta: 20.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.46ms. Allocated memory is still 115.3MB. Free memory was 58.4MB in the beginning and 55.9MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.93ms. Allocated memory is still 115.3MB. Free memory was 55.9MB in the beginning and 53.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 692.32ms. Allocated memory was 115.3MB in the beginning and 146.8MB in the end (delta: 31.5MB). Free memory was 53.8MB in the beginning and 63.6MB in the end (delta: -9.8MB). Peak memory consumption was 29.1MB. Max. memory is 16.1GB. * CodeCheck took 13.24ms. Allocated memory is still 146.8MB. Free memory was 63.6MB in the beginning and 62.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-12-15 00:58:27,903 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28644082-0ead-4eea-b846-080b9dfcb263/bin/ukojak-rkRKPMF4O4/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_28644082-0ead-4eea-b846-080b9dfcb263/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28644082-0ead-4eea-b846-080b9dfcb263/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28644082-0ead-4eea-b846-080b9dfcb263/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28644082-0ead-4eea-b846-080b9dfcb263/bin/ukojak-rkRKPMF4O4/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-ext/26_stack_cas.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28644082-0ead-4eea-b846-080b9dfcb263/bin/ukojak-rkRKPMF4O4/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28644082-0ead-4eea-b846-080b9dfcb263/bin/ukojak-rkRKPMF4O4 --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 fa97ad6141e9aa8818b694f4968e766701fe7261f516cd86f7a15e5cf1a3d14d --- 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-2329fc7 [2022-12-15 00:58:29,517 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 00:58:29,518 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 00:58:29,530 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 00:58:29,531 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 00:58:29,532 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 00:58:29,533 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 00:58:29,534 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 00:58:29,535 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 00:58:29,536 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 00:58:29,536 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 00:58:29,537 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 00:58:29,537 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 00:58:29,538 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 00:58:29,539 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 00:58:29,540 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 00:58:29,540 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 00:58:29,541 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 00:58:29,542 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 00:58:29,543 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 00:58:29,544 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 00:58:29,545 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 00:58:29,546 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 00:58:29,547 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 00:58:29,549 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 00:58:29,550 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 00:58:29,550 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 00:58:29,550 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 00:58:29,551 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 00:58:29,551 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 00:58:29,552 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 00:58:29,552 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 00:58:29,553 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 00:58:29,553 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 00:58:29,554 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 00:58:29,554 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 00:58:29,562 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 00:58:29,562 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 00:58:29,563 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 00:58:29,564 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 00:58:29,564 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 00:58:29,565 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28644082-0ead-4eea-b846-080b9dfcb263/bin/ukojak-rkRKPMF4O4/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2022-12-15 00:58:29,587 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 00:58:29,587 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 00:58:29,589 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 00:58:29,589 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 00:58:29,589 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 00:58:29,589 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-15 00:58:29,589 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-15 00:58:29,590 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 00:58:29,590 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-15 00:58:29,590 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 00:58:29,590 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-15 00:58:29,590 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-15 00:58:29,591 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-12-15 00:58:29,591 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 00:58:29,591 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-15 00:58:29,591 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-15 00:58:29,591 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-15 00:58:29,591 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-15 00:58:29,592 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 00:58:29,592 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 00:58:29,592 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 00:58:29,592 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 00:58:29,593 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 00:58:29,593 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 00:58:29,593 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 00:58:29,593 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-15 00:58:29,593 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-15 00:58:29,594 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-12-15 00:58:29,594 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-15 00:58:29,594 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_28644082-0ead-4eea-b846-080b9dfcb263/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28644082-0ead-4eea-b846-080b9dfcb263/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fa97ad6141e9aa8818b694f4968e766701fe7261f516cd86f7a15e5cf1a3d14d [2022-12-15 00:58:29,825 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 00:58:29,842 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 00:58:29,843 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 00:58:29,844 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 00:58:29,845 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 00:58:29,846 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28644082-0ead-4eea-b846-080b9dfcb263/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/pthread-ext/26_stack_cas.i [2022-12-15 00:58:32,428 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 00:58:32,627 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 00:58:32,628 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28644082-0ead-4eea-b846-080b9dfcb263/sv-benchmarks/c/pthread-ext/26_stack_cas.i [2022-12-15 00:58:32,637 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28644082-0ead-4eea-b846-080b9dfcb263/bin/ukojak-rkRKPMF4O4/data/8ef867f98/494ab1e4e34f419cba45957d3300c58c/FLAGe5738309e [2022-12-15 00:58:32,648 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28644082-0ead-4eea-b846-080b9dfcb263/bin/ukojak-rkRKPMF4O4/data/8ef867f98/494ab1e4e34f419cba45957d3300c58c [2022-12-15 00:58:32,650 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 00:58:32,651 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 00:58:32,652 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 00:58:32,652 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 00:58:32,655 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 00:58:32,655 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:58:32" (1/1) ... [2022-12-15 00:58:32,656 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7824e437 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:58:32, skipping insertion in model container [2022-12-15 00:58:32,656 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:58:32" (1/1) ... [2022-12-15 00:58:32,661 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 00:58:32,688 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 00:58:32,915 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28644082-0ead-4eea-b846-080b9dfcb263/sv-benchmarks/c/pthread-ext/26_stack_cas.i[31152,31165] [2022-12-15 00:58:32,937 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 00:58:32,948 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 00:58:32,978 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28644082-0ead-4eea-b846-080b9dfcb263/sv-benchmarks/c/pthread-ext/26_stack_cas.i[31152,31165] [2022-12-15 00:58:32,980 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 00:58:33,007 INFO L208 MainTranslator]: Completed translation [2022-12-15 00:58:33,007 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:58:33 WrapperNode [2022-12-15 00:58:33,007 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 00:58:33,008 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 00:58:33,008 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 00:58:33,008 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 00:58:33,014 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:58:33" (1/1) ... [2022-12-15 00:58:33,026 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:58:33" (1/1) ... [2022-12-15 00:58:33,046 INFO L138 Inliner]: procedures = 181, calls = 47, calls flagged for inlining = 16, calls inlined = 19, statements flattened = 186 [2022-12-15 00:58:33,046 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 00:58:33,046 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 00:58:33,046 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 00:58:33,047 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 00:58:33,053 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:58:33" (1/1) ... [2022-12-15 00:58:33,054 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:58:33" (1/1) ... [2022-12-15 00:58:33,056 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:58:33" (1/1) ... [2022-12-15 00:58:33,056 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:58:33" (1/1) ... [2022-12-15 00:58:33,061 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:58:33" (1/1) ... [2022-12-15 00:58:33,063 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:58:33" (1/1) ... [2022-12-15 00:58:33,065 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:58:33" (1/1) ... [2022-12-15 00:58:33,066 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:58:33" (1/1) ... [2022-12-15 00:58:33,068 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 00:58:33,069 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 00:58:33,069 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 00:58:33,069 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 00:58:33,070 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:58:33" (1/1) ... [2022-12-15 00:58:33,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 00:58:33,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28644082-0ead-4eea-b846-080b9dfcb263/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 00:58:33,093 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28644082-0ead-4eea-b846-080b9dfcb263/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 00:58:33,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28644082-0ead-4eea-b846-080b9dfcb263/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 00:58:33,132 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-12-15 00:58:33,132 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-12-15 00:58:33,132 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-12-15 00:58:33,132 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 00:58:33,132 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-15 00:58:33,133 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-15 00:58:33,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-12-15 00:58:33,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-15 00:58:33,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-12-15 00:58:33,133 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 00:58:33,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 00:58:33,135 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-15 00:58:33,264 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 00:58:33,266 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 00:58:33,710 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 00:58:33,973 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 00:58:33,973 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-12-15 00:58:33,975 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:58:33 BoogieIcfgContainer [2022-12-15 00:58:33,976 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 00:58:33,976 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 00:58:33,977 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 00:58:33,986 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 00:58:33,986 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:58:33" (1/1) ... [2022-12-15 00:58:33,987 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) [2022-12-15 00:58:33,990 INFO L158 Benchmark]: Toolchain (without parser) took 1338.10ms. Allocated memory was 88.1MB in the beginning and 125.8MB in the end (delta: 37.7MB). Free memory was 42.9MB in the beginning and 95.3MB in the end (delta: -52.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 00:58:33,991 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 88.1MB. Free memory is still 66.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 00:58:33,991 INFO L158 Benchmark]: CACSL2BoogieTranslator took 355.29ms. Allocated memory is still 88.1MB. Free memory was 42.9MB in the beginning and 59.4MB in the end (delta: -16.5MB). Peak memory consumption was 18.2MB. Max. memory is 16.1GB. [2022-12-15 00:58:33,991 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.95ms. Allocated memory is still 88.1MB. Free memory was 59.4MB in the beginning and 56.6MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 00:58:33,992 INFO L158 Benchmark]: Boogie Preprocessor took 21.97ms. Allocated memory is still 88.1MB. Free memory was 56.6MB in the beginning and 54.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 00:58:33,992 INFO L158 Benchmark]: RCFGBuilder took 906.93ms. Allocated memory was 88.1MB in the beginning and 125.8MB in the end (delta: 37.7MB). Free memory was 54.5MB in the beginning and 96.6MB in the end (delta: -42.1MB). Peak memory consumption was 42.7MB. Max. memory is 16.1GB. [2022-12-15 00:58:33,993 INFO L158 Benchmark]: CodeCheck took 12.33ms. Allocated memory is still 125.8MB. Free memory was 96.6MB in the beginning and 95.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 00:58:33,996 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 0.17ms. Allocated memory is still 88.1MB. Free memory is still 66.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 355.29ms. Allocated memory is still 88.1MB. Free memory was 42.9MB in the beginning and 59.4MB in the end (delta: -16.5MB). Peak memory consumption was 18.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.95ms. Allocated memory is still 88.1MB. Free memory was 59.4MB in the beginning and 56.6MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.97ms. Allocated memory is still 88.1MB. Free memory was 56.6MB in the beginning and 54.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 906.93ms. Allocated memory was 88.1MB in the beginning and 125.8MB in the end (delta: 37.7MB). Free memory was 54.5MB in the beginning and 96.6MB in the end (delta: -42.1MB). Peak memory consumption was 42.7MB. Max. memory is 16.1GB. * CodeCheck took 12.33ms. Allocated memory is still 125.8MB. Free memory was 96.6MB in the beginning and 95.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-12-15 00:58:34,011 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28644082-0ead-4eea-b846-080b9dfcb263/bin/ukojak-rkRKPMF4O4/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