./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-ext/36_stack_cas_p0_vs_concur.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffc9fbea-663a-489f-a67c-b95432155407/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffc9fbea-663a-489f-a67c-b95432155407/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffc9fbea-663a-489f-a67c-b95432155407/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffc9fbea-663a-489f-a67c-b95432155407/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/36_stack_cas_p0_vs_concur.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffc9fbea-663a-489f-a67c-b95432155407/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffc9fbea-663a-489f-a67c-b95432155407/bin/ukojak-pZX7IvK2PQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e7fe0631e7f950e2868c8cb954edca4f6de3fdffbf6debba58771511fbac2e8b --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 17:09:27,294 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:09:27,296 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:09:27,316 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:09:27,316 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:09:27,318 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:09:27,319 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:09:27,321 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:09:27,323 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:09:27,324 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:09:27,325 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:09:27,327 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:09:27,327 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:09:27,328 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:09:27,330 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:09:27,331 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:09:27,332 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:09:27,333 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:09:27,335 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:09:27,337 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:09:27,338 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:09:27,340 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:09:27,341 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:09:27,342 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:09:27,346 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:09:27,346 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:09:27,347 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:09:27,348 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:09:27,348 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:09:27,349 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:09:27,350 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:09:27,351 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:09:27,352 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:09:27,353 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:09:27,354 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:09:27,355 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:09:27,356 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:09:27,356 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:09:27,356 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:09:27,357 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:09:27,358 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:09:27,360 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffc9fbea-663a-489f-a67c-b95432155407/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-11-20 17:09:27,386 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:09:27,387 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:09:27,388 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:09:27,388 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:09:27,389 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:09:27,389 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:09:27,390 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:09:27,390 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 17:09:27,390 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:09:27,394 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 17:09:27,396 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 17:09:27,396 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:09:27,396 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:09:27,397 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:09:27,397 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:09:27,397 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 17:09:27,397 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 17:09:27,398 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:09:27,398 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:09:27,398 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:09:27,399 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:09:27,399 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:09:27,399 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:09:27,400 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:09:27,400 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:09:27,401 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:09:27,401 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:09:27,401 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 17:09:27,402 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 17:09:27,402 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:09:27,402 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_ffc9fbea-663a-489f-a67c-b95432155407/bin/ukojak-pZX7IvK2PQ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffc9fbea-663a-489f-a67c-b95432155407/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e7fe0631e7f950e2868c8cb954edca4f6de3fdffbf6debba58771511fbac2e8b [2022-11-20 17:09:27,751 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:09:27,775 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:09:27,778 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:09:27,779 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:09:27,780 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:09:27,781 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffc9fbea-663a-489f-a67c-b95432155407/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/pthread-ext/36_stack_cas_p0_vs_concur.i [2022-11-20 17:09:30,807 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:09:31,151 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:09:31,152 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffc9fbea-663a-489f-a67c-b95432155407/sv-benchmarks/c/pthread-ext/36_stack_cas_p0_vs_concur.i [2022-11-20 17:09:31,164 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffc9fbea-663a-489f-a67c-b95432155407/bin/ukojak-pZX7IvK2PQ/data/d811fbf78/5730444b041346d0ba2d5002e153ea1c/FLAG408ebb363 [2022-11-20 17:09:31,179 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffc9fbea-663a-489f-a67c-b95432155407/bin/ukojak-pZX7IvK2PQ/data/d811fbf78/5730444b041346d0ba2d5002e153ea1c [2022-11-20 17:09:31,182 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:09:31,184 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:09:31,185 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:09:31,185 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:09:31,189 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:09:31,190 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:09:31" (1/1) ... [2022-11-20 17:09:31,191 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17547e90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:09:31, skipping insertion in model container [2022-11-20 17:09:31,191 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:09:31" (1/1) ... [2022-11-20 17:09:31,199 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:09:31,238 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:09:31,602 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_ffc9fbea-663a-489f-a67c-b95432155407/sv-benchmarks/c/pthread-ext/36_stack_cas_p0_vs_concur.i[30687,30700] [2022-11-20 17:09:31,606 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:09:31,618 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:09:31,682 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_ffc9fbea-663a-489f-a67c-b95432155407/sv-benchmarks/c/pthread-ext/36_stack_cas_p0_vs_concur.i[30687,30700] [2022-11-20 17:09:31,700 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:09:31,747 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:09:31,747 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:09:31 WrapperNode [2022-11-20 17:09:31,748 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:09:31,750 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:09:31,750 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:09:31,751 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:09:31,759 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:09:31" (1/1) ... [2022-11-20 17:09:31,789 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:09:31" (1/1) ... [2022-11-20 17:09:31,826 INFO L138 Inliner]: procedures = 170, calls = 35, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 112 [2022-11-20 17:09:31,827 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:09:31,828 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:09:31,828 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:09:31,828 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:09:31,838 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:09:31" (1/1) ... [2022-11-20 17:09:31,839 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:09:31" (1/1) ... [2022-11-20 17:09:31,844 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:09:31" (1/1) ... [2022-11-20 17:09:31,844 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:09:31" (1/1) ... [2022-11-20 17:09:31,850 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:09:31" (1/1) ... [2022-11-20 17:09:31,854 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:09:31" (1/1) ... [2022-11-20 17:09:31,856 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:09:31" (1/1) ... [2022-11-20 17:09:31,857 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:09:31" (1/1) ... [2022-11-20 17:09:31,859 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:09:31,860 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:09:31,861 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:09:31,861 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:09:31,862 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:09:31" (1/1) ... [2022-11-20 17:09:31,868 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:09:31,881 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffc9fbea-663a-489f-a67c-b95432155407/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:09:31,900 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffc9fbea-663a-489f-a67c-b95432155407/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:09:31,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffc9fbea-663a-489f-a67c-b95432155407/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:09:31,943 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 17:09:31,943 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-11-20 17:09:31,943 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-11-20 17:09:31,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 17:09:31,944 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 17:09:31,945 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 17:09:31,945 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 17:09:31,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 17:09:31,945 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:09:31,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:09:31,947 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-20 17:09:32,120 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:09:32,122 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:09:32,444 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:09:32,602 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:09:32,607 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-20 17:09:32,612 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:09:32 BoogieIcfgContainer [2022-11-20 17:09:32,621 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 17:09:32,622 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 17:09:32,622 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 17:09:32,633 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 17:09:32,634 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:09:32" (1/1) ... [2022-11-20 17:09:32,636 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:358) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-20 17:09:32,645 INFO L158 Benchmark]: Toolchain (without parser) took 1460.23ms. Allocated memory is still 195.0MB. Free memory was 161.0MB in the beginning and 113.5MB in the end (delta: 47.4MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2022-11-20 17:09:32,645 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 140.5MB. Free memory is still 82.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:09:32,647 INFO L158 Benchmark]: CACSL2BoogieTranslator took 564.04ms. Allocated memory is still 195.0MB. Free memory was 161.0MB in the beginning and 141.5MB in the end (delta: 19.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-20 17:09:32,648 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.09ms. Allocated memory is still 195.0MB. Free memory was 140.8MB in the beginning and 138.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:09:32,649 INFO L158 Benchmark]: Boogie Preprocessor took 32.11ms. Allocated memory is still 195.0MB. Free memory was 138.7MB in the beginning and 137.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:09:32,650 INFO L158 Benchmark]: RCFGBuilder took 760.64ms. Allocated memory is still 195.0MB. Free memory was 137.4MB in the beginning and 114.3MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-11-20 17:09:32,651 INFO L158 Benchmark]: CodeCheck took 20.97ms. Allocated memory is still 195.0MB. Free memory was 114.3MB in the beginning and 113.5MB in the end (delta: 800.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:09:32,660 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 0.30ms. Allocated memory is still 140.5MB. Free memory is still 82.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 564.04ms. Allocated memory is still 195.0MB. Free memory was 161.0MB in the beginning and 141.5MB in the end (delta: 19.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.09ms. Allocated memory is still 195.0MB. Free memory was 140.8MB in the beginning and 138.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.11ms. Allocated memory is still 195.0MB. Free memory was 138.7MB in the beginning and 137.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 760.64ms. Allocated memory is still 195.0MB. Free memory was 137.4MB in the beginning and 114.3MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * CodeCheck took 20.97ms. Allocated memory is still 195.0MB. Free memory was 114.3MB in the beginning and 113.5MB in the end (delta: 800.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-20 17:09:32,692 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffc9fbea-663a-489f-a67c-b95432155407/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffc9fbea-663a-489f-a67c-b95432155407/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffc9fbea-663a-489f-a67c-b95432155407/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffc9fbea-663a-489f-a67c-b95432155407/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffc9fbea-663a-489f-a67c-b95432155407/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/36_stack_cas_p0_vs_concur.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffc9fbea-663a-489f-a67c-b95432155407/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffc9fbea-663a-489f-a67c-b95432155407/bin/ukojak-pZX7IvK2PQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e7fe0631e7f950e2868c8cb954edca4f6de3fdffbf6debba58771511fbac2e8b --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 17:09:35,226 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:09:35,228 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:09:35,265 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:09:35,265 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:09:35,267 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:09:35,268 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:09:35,270 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:09:35,272 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:09:35,273 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:09:35,275 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:09:35,276 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:09:35,277 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:09:35,278 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:09:35,279 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:09:35,281 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:09:35,282 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:09:35,283 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:09:35,285 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:09:35,287 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:09:35,289 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:09:35,291 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:09:35,292 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:09:35,293 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:09:35,297 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:09:35,298 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:09:35,298 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:09:35,299 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:09:35,300 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:09:35,301 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:09:35,302 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:09:35,302 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:09:35,303 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:09:35,304 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:09:35,305 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:09:35,306 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:09:35,307 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:09:35,307 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:09:35,307 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:09:35,308 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:09:35,309 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:09:35,310 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffc9fbea-663a-489f-a67c-b95432155407/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2022-11-20 17:09:35,334 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:09:35,335 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:09:35,336 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:09:35,336 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:09:35,337 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:09:35,337 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:09:35,337 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:09:35,338 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 17:09:35,338 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:09:35,338 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 17:09:35,338 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:09:35,339 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:09:35,339 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:09:35,339 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:09:35,340 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 17:09:35,340 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 17:09:35,340 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 17:09:35,340 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 17:09:35,341 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 17:09:35,341 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:09:35,341 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:09:35,341 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:09:35,342 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:09:35,342 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:09:35,342 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:09:35,343 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:09:35,344 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:09:35,346 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:09:35,346 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:09:35,347 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-20 17:09:35,347 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 17:09:35,347 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:09:35,348 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-11-20 17:09:35,348 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 17:09:35,348 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_ffc9fbea-663a-489f-a67c-b95432155407/bin/ukojak-pZX7IvK2PQ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffc9fbea-663a-489f-a67c-b95432155407/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e7fe0631e7f950e2868c8cb954edca4f6de3fdffbf6debba58771511fbac2e8b [2022-11-20 17:09:35,736 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:09:35,771 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:09:35,775 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:09:35,776 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:09:35,777 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:09:35,779 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffc9fbea-663a-489f-a67c-b95432155407/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/pthread-ext/36_stack_cas_p0_vs_concur.i [2022-11-20 17:09:38,950 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:09:39,256 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:09:39,257 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffc9fbea-663a-489f-a67c-b95432155407/sv-benchmarks/c/pthread-ext/36_stack_cas_p0_vs_concur.i [2022-11-20 17:09:39,277 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffc9fbea-663a-489f-a67c-b95432155407/bin/ukojak-pZX7IvK2PQ/data/f3d01c29d/56ecd9c99b6b4188860f46b8e0f6612b/FLAG961d0f99c [2022-11-20 17:09:39,303 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffc9fbea-663a-489f-a67c-b95432155407/bin/ukojak-pZX7IvK2PQ/data/f3d01c29d/56ecd9c99b6b4188860f46b8e0f6612b [2022-11-20 17:09:39,308 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:09:39,310 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:09:39,313 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:09:39,314 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:09:39,318 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:09:39,318 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:09:39" (1/1) ... [2022-11-20 17:09:39,320 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19093c33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:09:39, skipping insertion in model container [2022-11-20 17:09:39,320 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:09:39" (1/1) ... [2022-11-20 17:09:39,328 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:09:39,380 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:09:39,886 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_ffc9fbea-663a-489f-a67c-b95432155407/sv-benchmarks/c/pthread-ext/36_stack_cas_p0_vs_concur.i[30687,30700] [2022-11-20 17:09:39,892 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:09:39,909 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:09:39,972 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_ffc9fbea-663a-489f-a67c-b95432155407/sv-benchmarks/c/pthread-ext/36_stack_cas_p0_vs_concur.i[30687,30700] [2022-11-20 17:09:39,978 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:09:40,028 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:09:40,029 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:09:40 WrapperNode [2022-11-20 17:09:40,029 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:09:40,030 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:09:40,030 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:09:40,030 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:09:40,036 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:09:40" (1/1) ... [2022-11-20 17:09:40,063 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:09:40" (1/1) ... [2022-11-20 17:09:40,100 INFO L138 Inliner]: procedures = 174, calls = 35, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 113 [2022-11-20 17:09:40,104 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:09:40,105 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:09:40,105 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:09:40,106 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:09:40,116 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:09:40" (1/1) ... [2022-11-20 17:09:40,116 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:09:40" (1/1) ... [2022-11-20 17:09:40,134 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:09:40" (1/1) ... [2022-11-20 17:09:40,136 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:09:40" (1/1) ... [2022-11-20 17:09:40,143 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:09:40" (1/1) ... [2022-11-20 17:09:40,157 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:09:40" (1/1) ... [2022-11-20 17:09:40,159 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:09:40" (1/1) ... [2022-11-20 17:09:40,167 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:09:40" (1/1) ... [2022-11-20 17:09:40,170 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:09:40,187 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:09:40,187 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:09:40,187 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:09:40,188 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:09:40" (1/1) ... [2022-11-20 17:09:40,195 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:09:40,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffc9fbea-663a-489f-a67c-b95432155407/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:09:40,220 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffc9fbea-663a-489f-a67c-b95432155407/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:09:40,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffc9fbea-663a-489f-a67c-b95432155407/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:09:40,269 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-20 17:09:40,270 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-11-20 17:09:40,270 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-11-20 17:09:40,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 17:09:40,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 17:09:40,272 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 17:09:40,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-20 17:09:40,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-20 17:09:40,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-20 17:09:40,273 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:09:40,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:09:40,275 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-20 17:09:40,420 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:09:40,422 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:09:40,777 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:09:40,895 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:09:40,896 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-20 17:09:40,898 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:09:40 BoogieIcfgContainer [2022-11-20 17:09:40,899 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 17:09:40,899 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 17:09:40,900 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 17:09:40,910 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 17:09:40,910 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:09:40" (1/1) ... [2022-11-20 17:09:40,916 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:358) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-20 17:09:40,921 INFO L158 Benchmark]: Toolchain (without parser) took 1610.31ms. Allocated memory was 65.0MB in the beginning and 79.7MB in the end (delta: 14.7MB). Free memory was 37.5MB in the beginning and 38.7MB in the end (delta: -1.2MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. [2022-11-20 17:09:40,924 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 65.0MB. Free memory was 43.1MB in the beginning and 43.0MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:09:40,925 INFO L158 Benchmark]: CACSL2BoogieTranslator took 715.83ms. Allocated memory was 65.0MB in the beginning and 79.7MB in the end (delta: 14.7MB). Free memory was 37.1MB in the beginning and 48.1MB in the end (delta: -11.0MB). Peak memory consumption was 12.1MB. Max. memory is 16.1GB. [2022-11-20 17:09:40,926 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.82ms. Allocated memory is still 79.7MB. Free memory was 48.1MB in the beginning and 46.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:09:40,927 INFO L158 Benchmark]: Boogie Preprocessor took 66.50ms. Allocated memory is still 79.7MB. Free memory was 45.7MB in the beginning and 43.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:09:40,928 INFO L158 Benchmark]: RCFGBuilder took 711.72ms. Allocated memory is still 79.7MB. Free memory was 43.9MB in the beginning and 39.6MB in the end (delta: 4.2MB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB. [2022-11-20 17:09:40,929 INFO L158 Benchmark]: CodeCheck took 20.01ms. Allocated memory is still 79.7MB. Free memory was 39.6MB in the beginning and 38.7MB in the end (delta: 968.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:09:40,932 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 65.0MB. Free memory was 43.1MB in the beginning and 43.0MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 715.83ms. Allocated memory was 65.0MB in the beginning and 79.7MB in the end (delta: 14.7MB). Free memory was 37.1MB in the beginning and 48.1MB in the end (delta: -11.0MB). Peak memory consumption was 12.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.82ms. Allocated memory is still 79.7MB. Free memory was 48.1MB in the beginning and 46.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.50ms. Allocated memory is still 79.7MB. Free memory was 45.7MB in the beginning and 43.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 711.72ms. Allocated memory is still 79.7MB. Free memory was 43.9MB in the beginning and 39.6MB in the end (delta: 4.2MB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB. * CodeCheck took 20.01ms. Allocated memory is still 79.7MB. Free memory was 39.6MB in the beginning and 38.7MB in the end (delta: 968.9kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-20 17:09:40,965 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffc9fbea-663a-489f-a67c-b95432155407/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported