./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) 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_d17fc11b-4e41-45b0-a3da-8eb68c6dc0ea/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d17fc11b-4e41-45b0-a3da-8eb68c6dc0ea/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_d17fc11b-4e41-45b0-a3da-8eb68c6dc0ea/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d17fc11b-4e41-45b0-a3da-8eb68c6dc0ea/bin/ukojak-pZX7IvK2PQ/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d17fc11b-4e41-45b0-a3da-8eb68c6dc0ea/bin/ukojak-pZX7IvK2PQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d17fc11b-4e41-45b0-a3da-8eb68c6dc0ea/bin/ukojak-pZX7IvK2PQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 115e066856baca443b44a0f6b5ce54f74ba2b2820e5612bf4393c0e893767d55 --- 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 17:26:36,272 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:26:36,273 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:26:36,297 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:26:36,301 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:26:36,306 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:26:36,309 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:26:36,312 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:26:36,314 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:26:36,321 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:26:36,323 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:26:36,326 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:26:36,326 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:26:36,329 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:26:36,333 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:26:36,336 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:26:36,338 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:26:36,339 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:26:36,341 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:26:36,347 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:26:36,349 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:26:36,350 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:26:36,352 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:26:36,352 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:26:36,356 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:26:36,356 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:26:36,356 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:26:36,357 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:26:36,357 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:26:36,358 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:26:36,359 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:26:36,360 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:26:36,360 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:26:36,361 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:26:36,362 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:26:36,362 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:26:36,363 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:26:36,363 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:26:36,364 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:26:36,364 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:26:36,365 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:26:36,366 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d17fc11b-4e41-45b0-a3da-8eb68c6dc0ea/bin/ukojak-pZX7IvK2PQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2022-11-20 17:26:36,387 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:26:36,387 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:26:36,388 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:26:36,388 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:26:36,389 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:26:36,389 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 17:26:36,389 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:26:36,389 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 17:26:36,389 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 17:26:36,390 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:26:36,390 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-20 17:26:36,390 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-20 17:26:36,390 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-20 17:26:36,390 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:26:36,390 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 17:26:36,391 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:26:36,391 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:26:36,391 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:26:36,391 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:26:36,391 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:26:36,392 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:26:36,392 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:26:36,392 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 17:26:36,392 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 17:26:36,392 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_d17fc11b-4e41-45b0-a3da-8eb68c6dc0ea/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d17fc11b-4e41-45b0-a3da-8eb68c6dc0ea/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 115e066856baca443b44a0f6b5ce54f74ba2b2820e5612bf4393c0e893767d55 [2022-11-20 17:26:36,667 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:26:36,708 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:26:36,710 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:26:36,712 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:26:36,712 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:26:36,714 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d17fc11b-4e41-45b0-a3da-8eb68c6dc0ea/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i [2022-11-20 17:26:39,985 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:26:40,359 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:26:40,359 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d17fc11b-4e41-45b0-a3da-8eb68c6dc0ea/sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i [2022-11-20 17:26:40,376 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d17fc11b-4e41-45b0-a3da-8eb68c6dc0ea/bin/ukojak-pZX7IvK2PQ/data/9432f3ef0/d0675f5c8f9744c3aeaef3ab0ce0b889/FLAGd82d495cf [2022-11-20 17:26:40,398 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d17fc11b-4e41-45b0-a3da-8eb68c6dc0ea/bin/ukojak-pZX7IvK2PQ/data/9432f3ef0/d0675f5c8f9744c3aeaef3ab0ce0b889 [2022-11-20 17:26:40,401 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:26:40,406 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:26:40,407 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:26:40,407 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:26:40,410 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:26:40,411 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:26:40" (1/1) ... [2022-11-20 17:26:40,412 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@639e25a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:26:40, skipping insertion in model container [2022-11-20 17:26:40,413 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:26:40" (1/1) ... [2022-11-20 17:26:40,420 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:26:40,492 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:26:41,331 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_d17fc11b-4e41-45b0-a3da-8eb68c6dc0ea/sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i[63494,63507] [2022-11-20 17:26:41,358 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:26:41,371 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:26:41,473 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_d17fc11b-4e41-45b0-a3da-8eb68c6dc0ea/sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i[63494,63507] [2022-11-20 17:26:41,492 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:26:41,607 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:26:41,608 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:26:41 WrapperNode [2022-11-20 17:26:41,608 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:26:41,609 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:26:41,610 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:26:41,610 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:26:41,618 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:26:41" (1/1) ... [2022-11-20 17:26:41,674 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:26:41" (1/1) ... [2022-11-20 17:26:41,837 INFO L138 Inliner]: procedures = 397, calls = 214, calls flagged for inlining = 52, calls inlined = 211, statements flattened = 3713 [2022-11-20 17:26:41,838 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:26:41,840 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:26:41,840 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:26:41,841 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:26:41,850 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:26:41" (1/1) ... [2022-11-20 17:26:41,850 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:26:41" (1/1) ... [2022-11-20 17:26:41,881 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:26:41" (1/1) ... [2022-11-20 17:26:41,882 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:26:41" (1/1) ... [2022-11-20 17:26:42,021 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:26:41" (1/1) ... [2022-11-20 17:26:42,042 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:26:41" (1/1) ... [2022-11-20 17:26:42,058 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:26:41" (1/1) ... [2022-11-20 17:26:42,077 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:26:41" (1/1) ... [2022-11-20 17:26:42,113 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:26:42,114 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:26:42,114 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:26:42,114 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:26:42,115 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:26:41" (1/1) ... [2022-11-20 17:26:42,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:26:42,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d17fc11b-4e41-45b0-a3da-8eb68c6dc0ea/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:26:42,153 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d17fc11b-4e41-45b0-a3da-8eb68c6dc0ea/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:26:42,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d17fc11b-4e41-45b0-a3da-8eb68c6dc0ea/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:26:42,201 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-20 17:26:42,201 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 17:26:42,202 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-20 17:26:42,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 17:26:42,203 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 17:26:42,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-20 17:26:42,204 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush2 [2022-11-20 17:26:42,204 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush2 [2022-11-20 17:26:42,204 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush1 [2022-11-20 17:26:42,204 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush1 [2022-11-20 17:26:42,204 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush0 [2022-11-20 17:26:42,205 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush0 [2022-11-20 17:26:42,205 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:26:42,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:26:42,206 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 17:26:42,206 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-20 17:26:42,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-20 17:26:42,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 17:26:42,207 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop5 [2022-11-20 17:26:42,207 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop5 [2022-11-20 17:26:42,207 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop6 [2022-11-20 17:26:42,207 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop6 [2022-11-20 17:26:42,207 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop3 [2022-11-20 17:26:42,207 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop3 [2022-11-20 17:26:42,208 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop4 [2022-11-20 17:26:42,208 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop4 [2022-11-20 17:26:42,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 17:26:42,211 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 17:26:42,717 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:26:42,720 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:26:48,113 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:26:54,222 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:26:54,223 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 17:26:54,228 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:26:54 BoogieIcfgContainer [2022-11-20 17:26:54,228 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 17:26:54,229 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 17:26:54,229 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 17:26:54,240 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 17:26:54,240 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:26:54" (1/1) ... [2022-11-20 17:26:54,241 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 17:26:54,245 INFO L158 Benchmark]: Toolchain (without parser) took 13839.42ms. Allocated memory was 157.3MB in the beginning and 725.6MB in the end (delta: 568.3MB). Free memory was 124.7MB in the beginning and 274.4MB in the end (delta: -149.7MB). Peak memory consumption was 420.6MB. Max. memory is 16.1GB. [2022-11-20 17:26:54,246 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 121.6MB. Free memory is still 76.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:26:54,246 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1201.59ms. Allocated memory is still 157.3MB. Free memory was 124.7MB in the beginning and 75.5MB in the end (delta: 49.2MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2022-11-20 17:26:54,247 INFO L158 Benchmark]: Boogie Procedure Inliner took 229.67ms. Allocated memory is still 157.3MB. Free memory was 75.5MB in the beginning and 118.0MB in the end (delta: -42.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-11-20 17:26:54,248 INFO L158 Benchmark]: Boogie Preprocessor took 273.24ms. Allocated memory is still 157.3MB. Free memory was 118.0MB in the beginning and 99.8MB in the end (delta: 18.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-20 17:26:54,249 INFO L158 Benchmark]: RCFGBuilder took 12114.54ms. Allocated memory was 157.3MB in the beginning and 725.6MB in the end (delta: 568.3MB). Free memory was 99.8MB in the beginning and 275.5MB in the end (delta: -175.7MB). Peak memory consumption was 491.9MB. Max. memory is 16.1GB. [2022-11-20 17:26:54,249 INFO L158 Benchmark]: CodeCheck took 14.56ms. Allocated memory is still 725.6MB. Free memory was 275.5MB in the beginning and 274.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:26:54,252 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 0.28ms. Allocated memory is still 121.6MB. Free memory is still 76.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1201.59ms. Allocated memory is still 157.3MB. Free memory was 124.7MB in the beginning and 75.5MB in the end (delta: 49.2MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 229.67ms. Allocated memory is still 157.3MB. Free memory was 75.5MB in the beginning and 118.0MB in the end (delta: -42.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 273.24ms. Allocated memory is still 157.3MB. Free memory was 118.0MB in the beginning and 99.8MB in the end (delta: 18.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * RCFGBuilder took 12114.54ms. Allocated memory was 157.3MB in the beginning and 725.6MB in the end (delta: 568.3MB). Free memory was 99.8MB in the beginning and 275.5MB in the end (delta: -175.7MB). Peak memory consumption was 491.9MB. Max. memory is 16.1GB. * CodeCheck took 14.56ms. Allocated memory is still 725.6MB. Free memory was 275.5MB in the beginning and 274.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-20 17:26:54,280 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d17fc11b-4e41-45b0-a3da-8eb68c6dc0ea/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_d17fc11b-4e41-45b0-a3da-8eb68c6dc0ea/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d17fc11b-4e41-45b0-a3da-8eb68c6dc0ea/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_d17fc11b-4e41-45b0-a3da-8eb68c6dc0ea/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d17fc11b-4e41-45b0-a3da-8eb68c6dc0ea/bin/ukojak-pZX7IvK2PQ/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d17fc11b-4e41-45b0-a3da-8eb68c6dc0ea/bin/ukojak-pZX7IvK2PQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d17fc11b-4e41-45b0-a3da-8eb68c6dc0ea/bin/ukojak-pZX7IvK2PQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 115e066856baca443b44a0f6b5ce54f74ba2b2820e5612bf4393c0e893767d55 --- 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 17:26:56,774 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:26:56,776 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:26:56,801 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:26:56,808 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:26:56,811 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:26:56,816 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:26:56,820 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:26:56,822 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:26:56,827 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:26:56,829 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:26:56,830 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:26:56,832 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:26:56,834 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:26:56,835 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:26:56,839 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:26:56,843 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:26:56,845 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:26:56,864 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:26:56,866 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:26:56,870 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:26:56,872 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:26:56,875 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:26:56,878 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:26:56,882 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:26:56,887 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:26:56,888 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:26:56,889 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:26:56,890 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:26:56,892 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:26:56,892 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:26:56,893 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:26:56,896 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:26:56,897 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:26:56,899 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:26:56,900 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:26:56,901 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:26:56,901 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:26:56,901 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:26:56,902 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:26:56,903 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:26:56,906 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d17fc11b-4e41-45b0-a3da-8eb68c6dc0ea/bin/ukojak-pZX7IvK2PQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2022-11-20 17:26:56,940 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:26:56,941 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:26:56,943 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:26:56,943 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:26:56,944 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:26:56,944 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 17:26:56,944 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:26:56,945 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 17:26:56,945 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 17:26:56,945 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:26:56,946 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-20 17:26:56,946 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-20 17:26:56,947 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-20 17:26:56,947 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:26:56,947 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 17:26:56,948 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 17:26:56,948 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 17:26:56,948 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 17:26:56,948 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:26:56,949 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:26:56,949 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:26:56,949 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:26:56,950 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:26:56,950 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:26:56,950 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:26:56,950 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-20 17:26:56,951 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 17:26:56,951 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-11-20 17:26:56,951 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 17:26:56,952 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_d17fc11b-4e41-45b0-a3da-8eb68c6dc0ea/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d17fc11b-4e41-45b0-a3da-8eb68c6dc0ea/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 115e066856baca443b44a0f6b5ce54f74ba2b2820e5612bf4393c0e893767d55 [2022-11-20 17:26:57,361 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:26:57,397 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:26:57,401 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:26:57,402 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:26:57,403 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:26:57,406 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d17fc11b-4e41-45b0-a3da-8eb68c6dc0ea/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i [2022-11-20 17:27:00,678 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:27:01,053 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:27:01,054 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d17fc11b-4e41-45b0-a3da-8eb68c6dc0ea/sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i [2022-11-20 17:27:01,079 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d17fc11b-4e41-45b0-a3da-8eb68c6dc0ea/bin/ukojak-pZX7IvK2PQ/data/54aa509a9/f4306c3541fd47b58092f13eee40dae6/FLAG0e36a0ffd [2022-11-20 17:27:01,105 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d17fc11b-4e41-45b0-a3da-8eb68c6dc0ea/bin/ukojak-pZX7IvK2PQ/data/54aa509a9/f4306c3541fd47b58092f13eee40dae6 [2022-11-20 17:27:01,110 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:27:01,111 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:27:01,115 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:27:01,115 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:27:01,118 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:27:01,119 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:27:01" (1/1) ... [2022-11-20 17:27:01,120 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10e25e49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:27:01, skipping insertion in model container [2022-11-20 17:27:01,123 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:27:01" (1/1) ... [2022-11-20 17:27:01,130 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:27:01,204 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:27:01,988 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_d17fc11b-4e41-45b0-a3da-8eb68c6dc0ea/sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i[63494,63507] [2022-11-20 17:27:02,011 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:27:02,027 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:27:02,140 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_d17fc11b-4e41-45b0-a3da-8eb68c6dc0ea/sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i[63494,63507] [2022-11-20 17:27:02,150 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:27:02,272 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:27:02,272 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:27:02 WrapperNode [2022-11-20 17:27:02,272 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:27:02,273 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:27:02,273 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:27:02,274 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:27:02,281 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:27:02" (1/1) ... [2022-11-20 17:27:02,309 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:27:02" (1/1) ... [2022-11-20 17:27:02,436 INFO L138 Inliner]: procedures = 401, calls = 214, calls flagged for inlining = 52, calls inlined = 211, statements flattened = 3601 [2022-11-20 17:27:02,436 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:27:02,437 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:27:02,437 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:27:02,437 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:27:02,447 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:27:02" (1/1) ... [2022-11-20 17:27:02,447 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:27:02" (1/1) ... [2022-11-20 17:27:02,477 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:27:02" (1/1) ... [2022-11-20 17:27:02,478 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:27:02" (1/1) ... [2022-11-20 17:27:02,606 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:27:02" (1/1) ... [2022-11-20 17:27:02,632 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:27:02" (1/1) ... [2022-11-20 17:27:02,642 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:27:02" (1/1) ... [2022-11-20 17:27:02,672 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:27:02" (1/1) ... [2022-11-20 17:27:02,708 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:27:02,709 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:27:02,710 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:27:02,710 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:27:02,711 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:27:02" (1/1) ... [2022-11-20 17:27:02,717 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:27:02,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d17fc11b-4e41-45b0-a3da-8eb68c6dc0ea/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:27:02,746 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d17fc11b-4e41-45b0-a3da-8eb68c6dc0ea/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:27:02,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d17fc11b-4e41-45b0-a3da-8eb68c6dc0ea/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:27:02,792 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-20 17:27:02,792 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 17:27:02,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-20 17:27:02,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-20 17:27:02,792 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-20 17:27:02,792 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 17:27:02,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-20 17:27:02,792 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush2 [2022-11-20 17:27:02,793 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush2 [2022-11-20 17:27:02,793 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush1 [2022-11-20 17:27:02,793 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush1 [2022-11-20 17:27:02,793 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush0 [2022-11-20 17:27:02,793 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush0 [2022-11-20 17:27:02,793 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:27:02,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:27:02,793 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-20 17:27:02,794 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 17:27:02,794 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-20 17:27:02,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-20 17:27:02,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-20 17:27:02,794 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop5 [2022-11-20 17:27:02,794 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop5 [2022-11-20 17:27:02,794 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop6 [2022-11-20 17:27:02,794 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop6 [2022-11-20 17:27:02,794 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop3 [2022-11-20 17:27:02,795 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop3 [2022-11-20 17:27:02,795 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop4 [2022-11-20 17:27:02,795 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop4 [2022-11-20 17:27:02,799 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 17:27:03,390 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:27:03,394 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:27:14,172 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:27:21,335 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:27:21,335 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 17:27:21,341 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:27:21 BoogieIcfgContainer [2022-11-20 17:27:21,341 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 17:27:21,342 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 17:27:21,342 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 17:27:21,352 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 17:27:21,352 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:27:21" (1/1) ... [2022-11-20 17:27:21,353 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 17:27:21,358 INFO L158 Benchmark]: Toolchain (without parser) took 20245.50ms. Allocated memory was 67.1MB in the beginning and 1.0GB in the end (delta: 958.4MB). Free memory was 34.0MB in the beginning and 623.1MB in the end (delta: -589.2MB). Peak memory consumption was 365.5MB. Max. memory is 16.1GB. [2022-11-20 17:27:21,358 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 67.1MB. Free memory was 44.4MB in the beginning and 44.3MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:27:21,359 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1157.77ms. Allocated memory was 67.1MB in the beginning and 94.4MB in the end (delta: 27.3MB). Free memory was 33.8MB in the beginning and 68.2MB in the end (delta: -34.4MB). Peak memory consumption was 20.2MB. Max. memory is 16.1GB. [2022-11-20 17:27:21,360 INFO L158 Benchmark]: Boogie Procedure Inliner took 163.11ms. Allocated memory is still 94.4MB. Free memory was 68.2MB in the beginning and 50.5MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-20 17:27:21,360 INFO L158 Benchmark]: Boogie Preprocessor took 271.77ms. Allocated memory is still 94.4MB. Free memory was 50.5MB in the beginning and 49.7MB in the end (delta: 775.9kB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. [2022-11-20 17:27:21,361 INFO L158 Benchmark]: RCFGBuilder took 18631.87ms. Allocated memory was 94.4MB in the beginning and 1.0GB in the end (delta: 931.1MB). Free memory was 49.7MB in the beginning and 624.2MB in the end (delta: -574.5MB). Peak memory consumption was 688.2MB. Max. memory is 16.1GB. [2022-11-20 17:27:21,362 INFO L158 Benchmark]: CodeCheck took 13.84ms. Allocated memory is still 1.0GB. Free memory was 624.2MB in the beginning and 623.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:27:21,365 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 0.23ms. Allocated memory is still 67.1MB. Free memory was 44.4MB in the beginning and 44.3MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1157.77ms. Allocated memory was 67.1MB in the beginning and 94.4MB in the end (delta: 27.3MB). Free memory was 33.8MB in the beginning and 68.2MB in the end (delta: -34.4MB). Peak memory consumption was 20.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 163.11ms. Allocated memory is still 94.4MB. Free memory was 68.2MB in the beginning and 50.5MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 271.77ms. Allocated memory is still 94.4MB. Free memory was 50.5MB in the beginning and 49.7MB in the end (delta: 775.9kB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. * RCFGBuilder took 18631.87ms. Allocated memory was 94.4MB in the beginning and 1.0GB in the end (delta: 931.1MB). Free memory was 49.7MB in the beginning and 624.2MB in the end (delta: -574.5MB). Peak memory consumption was 688.2MB. Max. memory is 16.1GB. * CodeCheck took 13.84ms. Allocated memory is still 1.0GB. Free memory was 624.2MB in the beginning and 623.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-20 17:27:21,392 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d17fc11b-4e41-45b0-a3da-8eb68c6dc0ea/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