./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/02-base_26-malloc_struct.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6580f0b3-e6f7-428d-a72a-5c5b7ba1cdb7/bin/ugemcutter-4ibYxwfQ6a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6580f0b3-e6f7-428d-a72a-5c5b7ba1cdb7/bin/ugemcutter-4ibYxwfQ6a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6580f0b3-e6f7-428d-a72a-5c5b7ba1cdb7/bin/ugemcutter-4ibYxwfQ6a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6580f0b3-e6f7-428d-a72a-5c5b7ba1cdb7/bin/ugemcutter-4ibYxwfQ6a/config/GemCutterReach.xml -i ../../sv-benchmarks/c/goblint-regression/02-base_26-malloc_struct.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6580f0b3-e6f7-428d-a72a-5c5b7ba1cdb7/bin/ugemcutter-4ibYxwfQ6a/config/svcomp-DataRace-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6580f0b3-e6f7-428d-a72a-5c5b7ba1cdb7/bin/ugemcutter-4ibYxwfQ6a --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 71b70db56146daaa7371fed58b975e1add8fa8ab54b0a1b08c677a431a619350 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 18:58:40,520 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 18:58:40,523 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 18:58:40,586 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 18:58:40,587 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 18:58:40,591 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 18:58:40,593 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 18:58:40,597 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 18:58:40,600 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 18:58:40,606 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 18:58:40,607 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 18:58:40,609 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 18:58:40,609 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 18:58:40,612 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 18:58:40,614 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 18:58:40,622 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 18:58:40,624 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 18:58:40,625 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 18:58:40,628 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 18:58:40,636 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 18:58:40,638 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 18:58:40,639 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 18:58:40,643 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 18:58:40,644 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 18:58:40,654 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 18:58:40,654 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 18:58:40,655 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 18:58:40,657 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 18:58:40,658 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 18:58:40,660 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 18:58:40,660 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 18:58:40,661 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 18:58:40,663 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 18:58:40,664 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 18:58:40,666 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 18:58:40,666 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 18:58:40,667 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 18:58:40,668 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 18:58:40,668 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 18:58:40,669 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 18:58:40,669 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 18:58:40,670 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6580f0b3-e6f7-428d-a72a-5c5b7ba1cdb7/bin/ugemcutter-4ibYxwfQ6a/config/svcomp-DataRace-32bit-GemCutter_Default.epf [2021-11-13 18:58:40,718 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 18:58:40,718 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 18:58:40,719 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-13 18:58:40,726 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-13 18:58:40,727 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 18:58:40,727 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 18:58:40,728 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 18:58:40,728 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 18:58:40,728 INFO L138 SettingsManager]: * Use SBE=true [2021-11-13 18:58:40,729 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 18:58:40,730 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 18:58:40,730 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-13 18:58:40,731 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 18:58:40,731 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 18:58:40,731 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 18:58:40,731 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 18:58:40,732 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 18:58:40,732 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 18:58:40,732 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2021-11-13 18:58:40,732 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 18:58:40,732 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 18:58:40,733 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 18:58:40,733 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 18:58:40,733 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 18:58:40,733 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-13 18:58:40,734 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-11-13 18:58:40,734 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 18:58:40,734 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 18:58:40,734 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 18:58:40,737 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 18:58:40,737 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 18:58:40,737 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-13 18:58:40,738 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 18:58:40,738 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-13 18:58:40,738 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-11-13 18:58:40,738 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 18:58:40,739 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-11-13 18:58:40,739 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-11-13 18:58:40,739 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_6580f0b3-e6f7-428d-a72a-5c5b7ba1cdb7/bin/ugemcutter-4ibYxwfQ6a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6580f0b3-e6f7-428d-a72a-5c5b7ba1cdb7/bin/ugemcutter-4ibYxwfQ6a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 71b70db56146daaa7371fed58b975e1add8fa8ab54b0a1b08c677a431a619350 [2021-11-13 18:58:41,059 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 18:58:41,103 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 18:58:41,106 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 18:58:41,108 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 18:58:41,109 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 18:58:41,110 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6580f0b3-e6f7-428d-a72a-5c5b7ba1cdb7/bin/ugemcutter-4ibYxwfQ6a/../../sv-benchmarks/c/goblint-regression/02-base_26-malloc_struct.i [2021-11-13 18:58:41,198 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6580f0b3-e6f7-428d-a72a-5c5b7ba1cdb7/bin/ugemcutter-4ibYxwfQ6a/data/0662343db/8a1b1438833f4b139d62f479f19f8c9e/FLAG712035e9f [2021-11-13 18:58:41,788 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 18:58:41,788 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6580f0b3-e6f7-428d-a72a-5c5b7ba1cdb7/sv-benchmarks/c/goblint-regression/02-base_26-malloc_struct.i [2021-11-13 18:58:41,818 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6580f0b3-e6f7-428d-a72a-5c5b7ba1cdb7/bin/ugemcutter-4ibYxwfQ6a/data/0662343db/8a1b1438833f4b139d62f479f19f8c9e/FLAG712035e9f [2021-11-13 18:58:42,002 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6580f0b3-e6f7-428d-a72a-5c5b7ba1cdb7/bin/ugemcutter-4ibYxwfQ6a/data/0662343db/8a1b1438833f4b139d62f479f19f8c9e [2021-11-13 18:58:42,004 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 18:58:42,005 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 18:58:42,007 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 18:58:42,007 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 18:58:42,010 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 18:58:42,011 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:58:42" (1/1) ... [2021-11-13 18:58:42,012 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22583115 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:58:42, skipping insertion in model container [2021-11-13 18:58:42,012 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:58:42" (1/1) ... [2021-11-13 18:58:42,019 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 18:58:42,069 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 18:58:42,670 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 18:58:42,689 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 18:58:42,755 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 18:58:42,846 INFO L208 MainTranslator]: Completed translation [2021-11-13 18:58:42,847 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:58:42 WrapperNode [2021-11-13 18:58:42,847 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 18:58:42,848 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 18:58:42,849 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 18:58:42,849 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 18:58:42,858 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:58:42" (1/1) ... [2021-11-13 18:58:42,890 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:58:42" (1/1) ... [2021-11-13 18:58:42,948 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 18:58:42,949 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 18:58:42,949 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 18:58:42,949 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 18:58:42,959 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:58:42" (1/1) ... [2021-11-13 18:58:42,959 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:58:42" (1/1) ... [2021-11-13 18:58:42,980 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:58:42" (1/1) ... [2021-11-13 18:58:42,981 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:58:42" (1/1) ... [2021-11-13 18:58:42,990 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:58:42" (1/1) ... [2021-11-13 18:58:43,008 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:58:42" (1/1) ... [2021-11-13 18:58:43,011 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:58:42" (1/1) ... [2021-11-13 18:58:43,014 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 18:58:43,015 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 18:58:43,015 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 18:58:43,015 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 18:58:43,016 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:58:42" (1/1) ... [2021-11-13 18:58:43,029 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 18:58:43,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6580f0b3-e6f7-428d-a72a-5c5b7ba1cdb7/bin/ugemcutter-4ibYxwfQ6a/z3 [2021-11-13 18:58:43,060 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6580f0b3-e6f7-428d-a72a-5c5b7ba1cdb7/bin/ugemcutter-4ibYxwfQ6a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-13 18:58:43,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6580f0b3-e6f7-428d-a72a-5c5b7ba1cdb7/bin/ugemcutter-4ibYxwfQ6a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-13 18:58:43,113 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 18:58:43,113 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 18:58:43,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-13 18:58:43,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-13 18:58:43,114 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-13 18:58:43,114 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-13 18:58:43,116 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-11-13 18:58:43,116 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-11-13 18:58:43,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 18:58:43,116 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 18:58:43,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 18:58:43,118 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-13 18:58:43,585 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 18:58:43,587 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-13 18:58:43,589 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:58:43 BoogieIcfgContainer [2021-11-13 18:58:43,589 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 18:58:43,591 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-13 18:58:43,591 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-13 18:58:43,599 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-13 18:58:43,599 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 06:58:42" (1/3) ... [2021-11-13 18:58:43,600 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a142ee8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 06:58:43, skipping insertion in model container [2021-11-13 18:58:43,600 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:58:42" (2/3) ... [2021-11-13 18:58:43,600 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a142ee8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 06:58:43, skipping insertion in model container [2021-11-13 18:58:43,600 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:58:43" (3/3) ... [2021-11-13 18:58:43,601 INFO L111 eAbstractionObserver]: Analyzing ICFG 02-base_26-malloc_struct.i [2021-11-13 18:58:43,606 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-13 18:58:43,606 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-13 18:58:43,606 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 9 error locations. [2021-11-13 18:58:43,606 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-13 18:58:43,646 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:58:43,646 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:58:43,647 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:58:43,647 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:58:43,647 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:58:43,647 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:58:43,647 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:58:43,648 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:58:43,648 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:58:43,648 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:58:43,649 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:58:43,649 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:58:43,649 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:58:43,650 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:58:43,650 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:58:43,650 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:58:43,650 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:58:43,651 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:58:43,651 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:58:43,651 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:58:43,652 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:58:43,652 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:58:43,652 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:58:43,653 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:58:43,653 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:58:43,653 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:58:43,653 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:58:43,654 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:58:43,654 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:58:43,654 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:58:43,655 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:58:43,655 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:58:43,655 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:58:43,656 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:58:43,656 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:58:43,656 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:58:43,656 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:58:43,657 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:58:43,675 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:58:43,675 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:58:43,677 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:58:43,677 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:58:43,682 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:58:43,682 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:58:43,683 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:58:43,683 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:58:43,683 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:58:43,683 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:58:43,685 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:58:43,686 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:58:43,686 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:58:43,686 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:58:43,686 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:58:43,686 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:58:43,687 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:58:43,690 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-11-13 18:58:43,738 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-11-13 18:58:43,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6580f0b3-e6f7-428d-a72a-5c5b7ba1cdb7/bin/ugemcutter-4ibYxwfQ6a/z3 [2021-11-13 18:58:43,751 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6580f0b3-e6f7-428d-a72a-5c5b7ba1cdb7/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-11-13 18:58:43,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6580f0b3-e6f7-428d-a72a-5c5b7ba1cdb7/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-11-13 18:58:43,783 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t_funThread1of1ForFork0 ======== [2021-11-13 18:58:43,790 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-13 18:58:43,790 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-11-13 18:58:43,914 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE, t_funErr2ASSERT_VIOLATIONDATA_RACE, t_funErr3ASSERT_VIOLATIONDATA_RACE] === [2021-11-13 18:58:43,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:58:43,919 INFO L85 PathProgramCache]: Analyzing trace with hash 155206919, now seen corresponding path program 1 times [2021-11-13 18:58:43,932 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:58:43,932 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36385927] [2021-11-13 18:58:43,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:58:43,933 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:58:44,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:44,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:58:44,218 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:58:44,219 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [36385927] [2021-11-13 18:58:44,220 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [36385927] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:58:44,220 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:58:44,220 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-13 18:58:44,222 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673980867] [2021-11-13 18:58:44,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:58:44,229 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-13 18:58:44,229 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:58:44,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 18:58:44,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 18:58:44,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 18:58:44,261 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-13 18:58:44,263 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 23.0) internal successors, (46), 3 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:58:44,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 18:58:44,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 18:58:44,336 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-13 18:58:44,336 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE, t_funErr2ASSERT_VIOLATIONDATA_RACE, t_funErr3ASSERT_VIOLATIONDATA_RACE] === [2021-11-13 18:58:44,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:58:44,337 INFO L85 PathProgramCache]: Analyzing trace with hash -1926673035, now seen corresponding path program 1 times [2021-11-13 18:58:44,337 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:58:44,338 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28163268] [2021-11-13 18:58:44,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:58:44,338 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:58:44,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:44,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:58:44,591 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:58:44,591 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [28163268] [2021-11-13 18:58:44,592 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [28163268] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:58:44,592 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:58:44,592 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-13 18:58:44,592 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487464192] [2021-11-13 18:58:44,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:58:44,594 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-13 18:58:44,594 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:58:44,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-13 18:58:44,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-13 18:58:44,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 18:58:44,595 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-13 18:58:44,596 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.6) internal successors, (53), 6 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:58:44,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-13 18:58:44,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 18:58:44,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 18:58:44,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 18:58:44,802 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-13 18:58:44,803 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE, t_funErr2ASSERT_VIOLATIONDATA_RACE, t_funErr3ASSERT_VIOLATIONDATA_RACE] === [2021-11-13 18:58:44,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:58:44,804 INFO L85 PathProgramCache]: Analyzing trace with hash -2059118661, now seen corresponding path program 1 times [2021-11-13 18:58:44,804 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:58:44,804 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528551480] [2021-11-13 18:58:44,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:58:44,805 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:58:44,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:44,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:58:44,981 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:58:44,983 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1528551480] [2021-11-13 18:58:44,984 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1528551480] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:58:44,984 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:58:44,985 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-13 18:58:44,985 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485133133] [2021-11-13 18:58:44,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:58:44,988 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-13 18:58:44,988 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:58:44,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-13 18:58:44,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-13 18:58:44,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 18:58:44,991 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-13 18:58:44,991 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.6) internal successors, (63), 6 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:58:44,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-13 18:58:44,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-13 18:58:44,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 18:58:45,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 18:58:45,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 18:58:45,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 18:58:45,254 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-13 18:58:45,254 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE, t_funErr2ASSERT_VIOLATIONDATA_RACE, t_funErr3ASSERT_VIOLATIONDATA_RACE] === [2021-11-13 18:58:45,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:58:45,256 INFO L85 PathProgramCache]: Analyzing trace with hash 187288635, now seen corresponding path program 1 times [2021-11-13 18:58:45,257 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:58:45,257 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835003134] [2021-11-13 18:58:45,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:58:45,257 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:58:45,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:45,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:58:45,349 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:58:45,349 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1835003134] [2021-11-13 18:58:45,349 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1835003134] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:58:45,349 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:58:45,350 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-13 18:58:45,350 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729309088] [2021-11-13 18:58:45,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:58:45,351 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-13 18:58:45,351 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:58:45,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 18:58:45,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 18:58:45,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 18:58:45,352 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-13 18:58:45,353 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:58:45,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-13 18:58:45,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-13 18:58:45,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-13 18:58:45,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 18:58:45,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 18:58:45,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 18:58:45,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 18:58:45,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 18:58:45,546 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-13 18:58:45,546 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE, t_funErr2ASSERT_VIOLATIONDATA_RACE, t_funErr3ASSERT_VIOLATIONDATA_RACE] === [2021-11-13 18:58:45,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:58:45,549 INFO L85 PathProgramCache]: Analyzing trace with hash -541291309, now seen corresponding path program 2 times [2021-11-13 18:58:45,549 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:58:45,549 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068508748] [2021-11-13 18:58:45,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:58:45,550 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:58:45,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 18:58:45,642 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 18:58:45,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 18:58:45,710 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 18:58:45,710 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-13 18:58:45,711 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (3 of 4 remaining) [2021-11-13 18:58:45,713 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (2 of 4 remaining) [2021-11-13 18:58:45,713 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 4 remaining) [2021-11-13 18:58:45,713 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONDATA_RACE (0 of 4 remaining) [2021-11-13 18:58:45,714 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-13 18:58:45,723 INFO L732 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1] [2021-11-13 18:58:45,724 INFO L308 ceAbstractionStarter]: Result for error location t_funThread1of1ForFork0 was UNSAFE,UNKNOWN,UNKNOWN,UNKNOWN (1/2) [2021-11-13 18:58:45,729 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-11-13 18:58:45,729 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-13 18:58:45,767 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator.computeCurrectProc(InlinerBacktranslator.java:230) at de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator.translateProgramExecution(InlinerBacktranslator.java:203) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:216) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:225) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:225) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:225) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:206) at de.uni_freiburg.informatik.ultimate.core.lib.results.DataRaceFoundResult.getLongDescription(DataRaceFoundResult.java:136) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:86) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResultReporter.reportResult(CegarLoopResultReporter.java:141) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.reportLocationResults(TraceAbstractionStarter.java:586) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:181) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-13 18:58:45,773 INFO L158 Benchmark]: Toolchain (without parser) took 3767.75ms. Allocated memory is still 121.6MB. Free memory was 83.6MB in the beginning and 47.1MB in the end (delta: 36.5MB). Peak memory consumption was 37.3MB. Max. memory is 16.1GB. [2021-11-13 18:58:45,774 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 121.6MB. Free memory is still 103.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 18:58:45,774 INFO L158 Benchmark]: CACSL2BoogieTranslator took 840.75ms. Allocated memory is still 121.6MB. Free memory was 83.4MB in the beginning and 70.3MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-13 18:58:45,775 INFO L158 Benchmark]: Boogie Procedure Inliner took 99.96ms. Allocated memory is still 121.6MB. Free memory was 70.3MB in the beginning and 67.7MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-13 18:58:45,775 INFO L158 Benchmark]: Boogie Preprocessor took 65.03ms. Allocated memory is still 121.6MB. Free memory was 67.7MB in the beginning and 66.0MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 18:58:45,776 INFO L158 Benchmark]: RCFGBuilder took 574.35ms. Allocated memory is still 121.6MB. Free memory was 66.0MB in the beginning and 52.0MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-13 18:58:45,776 INFO L158 Benchmark]: TraceAbstraction took 2182.02ms. Allocated memory is still 121.6MB. Free memory was 51.7MB in the beginning and 47.1MB in the end (delta: 4.6MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. [2021-11-13 18:58:45,779 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 121.6MB. Free memory is still 103.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 840.75ms. Allocated memory is still 121.6MB. Free memory was 83.4MB in the beginning and 70.3MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 99.96ms. Allocated memory is still 121.6MB. Free memory was 70.3MB in the beginning and 67.7MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 65.03ms. Allocated memory is still 121.6MB. Free memory was 67.7MB in the beginning and 66.0MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 574.35ms. Allocated memory is still 121.6MB. Free memory was 66.0MB in the beginning and 52.0MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 2182.02ms. Allocated memory is still 121.6MB. Free memory was 51.7MB in the beginning and 47.1MB in the end (delta: 4.6MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1239, positive: 1170, positive conditional: 308, positive unconditional: 862, negative: 69, negative conditional: 33, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1218, positive: 1170, positive conditional: 308, positive unconditional: 862, negative: 48, negative conditional: 12, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1218, positive: 1170, positive conditional: 308, positive unconditional: 862, negative: 48, negative conditional: 12, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1243, positive: 1170, positive conditional: 302, positive unconditional: 868, negative: 73, negative conditional: 25, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1243, positive: 1170, positive conditional: 165, positive unconditional: 1005, negative: 73, negative conditional: 6, negative unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1243, positive: 1170, positive conditional: 165, positive unconditional: 1005, negative: 73, negative conditional: 6, negative unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 903, positive: 863, positive conditional: 1, positive unconditional: 862, negative: 40, negative conditional: 2, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 903, positive: 800, positive conditional: 0, positive unconditional: 800, negative: 103, negative conditional: 0, negative unconditional: 103, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 103, positive: 63, positive conditional: 1, positive unconditional: 62, negative: 40, negative conditional: 2, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 307, positive: 200, positive conditional: 3, positive unconditional: 197, negative: 107, negative conditional: 8, negative unconditional: 99, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1243, positive: 307, positive conditional: 164, positive unconditional: 143, negative: 33, negative conditional: 4, negative unconditional: 29, unknown: 903, unknown conditional: 3, unknown unconditional: 900] , Statistics on independence cache: Total cache size (in pairs): 903, Positive cache size: 863, Positive conditional cache size: 1, Positive unconditional cache size: 862, Negative cache size: 40, Negative conditional cache size: 2, Negative unconditional cache size: 38, Eliminated conditions: 156, Maximal queried relation: 3, Independence queries for same thread: 21 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 385.57ms, Number of persistent set computation: 147, Number of trivial persistent sets: 133, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 898, positive: 862, positive conditional: 0, positive unconditional: 862, negative: 36, negative conditional: 0, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1239, positive: 1170, positive conditional: 308, positive unconditional: 862, negative: 69, negative conditional: 33, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1218, positive: 1170, positive conditional: 308, positive unconditional: 862, negative: 48, negative conditional: 12, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1218, positive: 1170, positive conditional: 308, positive unconditional: 862, negative: 48, negative conditional: 12, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1243, positive: 1170, positive conditional: 302, positive unconditional: 868, negative: 73, negative conditional: 25, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1243, positive: 1170, positive conditional: 165, positive unconditional: 1005, negative: 73, negative conditional: 6, negative unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1243, positive: 1170, positive conditional: 165, positive unconditional: 1005, negative: 73, negative conditional: 6, negative unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 903, positive: 863, positive conditional: 1, positive unconditional: 862, negative: 40, negative conditional: 2, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 903, positive: 800, positive conditional: 0, positive unconditional: 800, negative: 103, negative conditional: 0, negative unconditional: 103, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 103, positive: 63, positive conditional: 1, positive unconditional: 62, negative: 40, negative conditional: 2, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 307, positive: 200, positive conditional: 3, positive unconditional: 197, negative: 107, negative conditional: 8, negative unconditional: 99, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1243, positive: 307, positive conditional: 164, positive unconditional: 143, negative: 33, negative conditional: 4, negative unconditional: 29, unknown: 903, unknown conditional: 3, unknown unconditional: 900] , Statistics on independence cache: Total cache size (in pairs): 903, Positive cache size: 863, Positive conditional cache size: 1, Positive unconditional cache size: 862, Negative cache size: 40, Negative conditional cache size: 2, Negative unconditional cache size: 38, Eliminated conditions: 156, Maximal queried relation: 3, Independence queries for same thread: 21 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: NullPointerException: null: de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator.computeCurrectProc(InlinerBacktranslator.java:230) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-13 18:58:45,846 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6580f0b3-e6f7-428d-a72a-5c5b7ba1cdb7/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2021-11-13 18:58:46,044 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6580f0b3-e6f7-428d-a72a-5c5b7ba1cdb7/bin/ugemcutter-4ibYxwfQ6a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6580f0b3-e6f7-428d-a72a-5c5b7ba1cdb7/bin/ugemcutter-4ibYxwfQ6a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6580f0b3-e6f7-428d-a72a-5c5b7ba1cdb7/bin/ugemcutter-4ibYxwfQ6a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6580f0b3-e6f7-428d-a72a-5c5b7ba1cdb7/bin/ugemcutter-4ibYxwfQ6a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6580f0b3-e6f7-428d-a72a-5c5b7ba1cdb7/bin/ugemcutter-4ibYxwfQ6a/config/GemCutterReach.xml -i ../../sv-benchmarks/c/goblint-regression/02-base_26-malloc_struct.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6580f0b3-e6f7-428d-a72a-5c5b7ba1cdb7/bin/ugemcutter-4ibYxwfQ6a/config/svcomp-DataRace-32bit-GemCutter_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6580f0b3-e6f7-428d-a72a-5c5b7ba1cdb7/bin/ugemcutter-4ibYxwfQ6a --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 71b70db56146daaa7371fed58b975e1add8fa8ab54b0a1b08c677a431a619350 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 18:58:48,493 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 18:58:48,496 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 18:58:48,552 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 18:58:48,553 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 18:58:48,557 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 18:58:48,559 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 18:58:48,566 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 18:58:48,571 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 18:58:48,579 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 18:58:48,580 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 18:58:48,582 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 18:58:48,583 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 18:58:48,586 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 18:58:48,588 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 18:58:48,594 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 18:58:48,597 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 18:58:48,598 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 18:58:48,600 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 18:58:48,611 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 18:58:48,613 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 18:58:48,615 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 18:58:48,618 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 18:58:48,620 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 18:58:48,630 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 18:58:48,631 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 18:58:48,631 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 18:58:48,634 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 18:58:48,635 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 18:58:48,636 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 18:58:48,636 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 18:58:48,637 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 18:58:48,639 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 18:58:48,640 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 18:58:48,642 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 18:58:48,642 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 18:58:48,643 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 18:58:48,644 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 18:58:48,644 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 18:58:48,646 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 18:58:48,647 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 18:58:48,648 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6580f0b3-e6f7-428d-a72a-5c5b7ba1cdb7/bin/ugemcutter-4ibYxwfQ6a/config/svcomp-DataRace-32bit-GemCutter_Bitvector.epf [2021-11-13 18:58:48,701 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 18:58:48,702 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 18:58:48,702 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-13 18:58:48,703 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-13 18:58:48,704 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 18:58:48,704 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 18:58:48,706 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 18:58:48,706 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 18:58:48,706 INFO L138 SettingsManager]: * Use SBE=true [2021-11-13 18:58:48,707 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 18:58:48,708 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 18:58:48,708 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-13 18:58:48,708 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 18:58:48,709 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 18:58:48,709 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 18:58:48,709 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 18:58:48,709 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 18:58:48,710 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2021-11-13 18:58:48,710 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-13 18:58:48,710 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-13 18:58:48,710 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 18:58:48,711 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 18:58:48,711 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 18:58:48,711 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 18:58:48,711 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 18:58:48,712 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-13 18:58:48,712 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 18:58:48,713 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 18:58:48,713 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 18:58:48,713 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 18:58:48,713 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 18:58:48,714 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-11-13 18:58:48,714 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-13 18:58:48,714 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-13 18:58:48,714 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-11-13 18:58:48,715 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 18:58:48,715 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-11-13 18:58:48,715 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-11-13 18:58:48,716 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-13 18:58:48,716 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_6580f0b3-e6f7-428d-a72a-5c5b7ba1cdb7/bin/ugemcutter-4ibYxwfQ6a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6580f0b3-e6f7-428d-a72a-5c5b7ba1cdb7/bin/ugemcutter-4ibYxwfQ6a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 71b70db56146daaa7371fed58b975e1add8fa8ab54b0a1b08c677a431a619350 [2021-11-13 18:58:49,131 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 18:58:49,157 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 18:58:49,160 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 18:58:49,162 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 18:58:49,163 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 18:58:49,164 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6580f0b3-e6f7-428d-a72a-5c5b7ba1cdb7/bin/ugemcutter-4ibYxwfQ6a/../../sv-benchmarks/c/goblint-regression/02-base_26-malloc_struct.i [2021-11-13 18:58:49,229 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6580f0b3-e6f7-428d-a72a-5c5b7ba1cdb7/bin/ugemcutter-4ibYxwfQ6a/data/5d566d51c/06d45ba0ccb641d6b01c257e07eafd62/FLAG489b28960 [2021-11-13 18:58:49,878 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 18:58:49,880 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6580f0b3-e6f7-428d-a72a-5c5b7ba1cdb7/sv-benchmarks/c/goblint-regression/02-base_26-malloc_struct.i [2021-11-13 18:58:49,909 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6580f0b3-e6f7-428d-a72a-5c5b7ba1cdb7/bin/ugemcutter-4ibYxwfQ6a/data/5d566d51c/06d45ba0ccb641d6b01c257e07eafd62/FLAG489b28960 [2021-11-13 18:58:50,082 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6580f0b3-e6f7-428d-a72a-5c5b7ba1cdb7/bin/ugemcutter-4ibYxwfQ6a/data/5d566d51c/06d45ba0ccb641d6b01c257e07eafd62 [2021-11-13 18:58:50,084 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 18:58:50,086 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 18:58:50,086 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 18:58:50,086 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 18:58:50,094 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 18:58:50,094 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:58:50" (1/1) ... [2021-11-13 18:58:50,095 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2714ecb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:58:50, skipping insertion in model container [2021-11-13 18:58:50,095 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:58:50" (1/1) ... [2021-11-13 18:58:50,101 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 18:58:50,151 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 18:58:50,881 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 18:58:50,910 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 18:58:51,000 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 18:58:51,155 INFO L208 MainTranslator]: Completed translation [2021-11-13 18:58:51,155 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:58:51 WrapperNode [2021-11-13 18:58:51,156 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 18:58:51,157 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 18:58:51,157 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 18:58:51,158 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 18:58:51,165 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:58:51" (1/1) ... [2021-11-13 18:58:51,213 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:58:51" (1/1) ... [2021-11-13 18:58:51,264 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 18:58:51,265 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 18:58:51,265 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 18:58:51,265 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 18:58:51,275 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:58:51" (1/1) ... [2021-11-13 18:58:51,276 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:58:51" (1/1) ... [2021-11-13 18:58:51,292 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:58:51" (1/1) ... [2021-11-13 18:58:51,293 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:58:51" (1/1) ... [2021-11-13 18:58:51,312 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:58:51" (1/1) ... [2021-11-13 18:58:51,314 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:58:51" (1/1) ... [2021-11-13 18:58:51,317 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:58:51" (1/1) ... [2021-11-13 18:58:51,322 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 18:58:51,323 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 18:58:51,323 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 18:58:51,324 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 18:58:51,325 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:58:51" (1/1) ... [2021-11-13 18:58:51,332 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 18:58:51,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6580f0b3-e6f7-428d-a72a-5c5b7ba1cdb7/bin/ugemcutter-4ibYxwfQ6a/z3 [2021-11-13 18:58:51,360 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6580f0b3-e6f7-428d-a72a-5c5b7ba1cdb7/bin/ugemcutter-4ibYxwfQ6a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-13 18:58:51,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6580f0b3-e6f7-428d-a72a-5c5b7ba1cdb7/bin/ugemcutter-4ibYxwfQ6a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-13 18:58:51,414 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-13 18:58:51,415 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 18:58:51,415 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 18:58:51,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-13 18:58:51,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-13 18:58:51,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-13 18:58:51,418 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-13 18:58:51,418 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-13 18:58:51,418 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-11-13 18:58:51,418 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-11-13 18:58:51,418 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 18:58:51,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 18:58:51,420 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-13 18:58:52,051 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 18:58:52,051 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-13 18:58:52,053 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:58:52 BoogieIcfgContainer [2021-11-13 18:58:52,053 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 18:58:52,061 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-13 18:58:52,062 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-13 18:58:52,065 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-13 18:58:52,065 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 06:58:50" (1/3) ... [2021-11-13 18:58:52,066 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77105c8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 06:58:52, skipping insertion in model container [2021-11-13 18:58:52,066 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:58:51" (2/3) ... [2021-11-13 18:58:52,066 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77105c8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 06:58:52, skipping insertion in model container [2021-11-13 18:58:52,067 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:58:52" (3/3) ... [2021-11-13 18:58:52,068 INFO L111 eAbstractionObserver]: Analyzing ICFG 02-base_26-malloc_struct.i [2021-11-13 18:58:52,074 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-13 18:58:52,074 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-13 18:58:52,075 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 9 error locations. [2021-11-13 18:58:52,075 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-13 18:58:52,123 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:58:52,123 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:58:52,123 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:58:52,123 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:58:52,124 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:58:52,124 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:58:52,124 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:58:52,125 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:58:52,125 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:58:52,125 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:58:52,126 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:58:52,126 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:58:52,127 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:58:52,127 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:58:52,127 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:58:52,127 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:58:52,127 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:58:52,128 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:58:52,128 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:58:52,128 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:58:52,128 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:58:52,129 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:58:52,130 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:58:52,130 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:58:52,130 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:58:52,131 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:58:52,131 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:58:52,132 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:58:52,132 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:58:52,133 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:58:52,133 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:58:52,133 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:58:52,133 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:58:52,134 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:58:52,134 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:58:52,135 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:58:52,135 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:58:52,135 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:58:52,135 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:58:52,136 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:58:52,136 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:58:52,136 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:58:52,136 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:58:52,137 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:58:52,137 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:58:52,138 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:58:52,138 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:58:52,138 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:58:52,146 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:58:52,146 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:58:52,147 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:58:52,147 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:58:52,147 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:58:52,148 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:58:52,148 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:58:52,151 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-11-13 18:58:52,213 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-11-13 18:58:52,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6580f0b3-e6f7-428d-a72a-5c5b7ba1cdb7/bin/ugemcutter-4ibYxwfQ6a/z3 [2021-11-13 18:58:52,219 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6580f0b3-e6f7-428d-a72a-5c5b7ba1cdb7/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-11-13 18:58:52,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6580f0b3-e6f7-428d-a72a-5c5b7ba1cdb7/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-11-13 18:58:52,261 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t_funThread1of1ForFork0 ======== [2021-11-13 18:58:52,271 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-13 18:58:52,271 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-11-13 18:58:52,442 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE, t_funErr2ASSERT_VIOLATIONDATA_RACE, t_funErr3ASSERT_VIOLATIONDATA_RACE] === [2021-11-13 18:58:52,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:58:52,452 INFO L85 PathProgramCache]: Analyzing trace with hash -1366224451, now seen corresponding path program 1 times [2021-11-13 18:58:52,468 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-13 18:58:52,468 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [38672732] [2021-11-13 18:58:52,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:58:52,469 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 18:58:52,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6580f0b3-e6f7-428d-a72a-5c5b7ba1cdb7/bin/ugemcutter-4ibYxwfQ6a/mathsat [2021-11-13 18:58:52,475 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6580f0b3-e6f7-428d-a72a-5c5b7ba1cdb7/bin/ugemcutter-4ibYxwfQ6a/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 18:58:52,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6580f0b3-e6f7-428d-a72a-5c5b7ba1cdb7/bin/ugemcutter-4ibYxwfQ6a/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-13 18:58:52,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:52,608 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-13 18:58:52,613 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 18:58:52,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:58:52,749 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 18:58:52,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:58:52,838 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-13 18:58:52,838 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [38672732] [2021-11-13 18:58:52,839 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [38672732] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 18:58:52,839 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:58:52,840 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-13 18:58:52,841 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913538871] [2021-11-13 18:58:52,842 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 18:58:52,847 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-13 18:58:52,847 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-13 18:58:52,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 18:58:52,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 18:58:52,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 18:58:52,889 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-13 18:58:52,890 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 23.5) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:58:52,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 18:58:52,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 18:58:52,990 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6580f0b3-e6f7-428d-a72a-5c5b7ba1cdb7/bin/ugemcutter-4ibYxwfQ6a/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-13 18:58:53,191 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6580f0b3-e6f7-428d-a72a-5c5b7ba1cdb7/bin/ugemcutter-4ibYxwfQ6a/mathsat -unsat_core_generation=3 [2021-11-13 18:58:53,191 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE, t_funErr2ASSERT_VIOLATIONDATA_RACE, t_funErr3ASSERT_VIOLATIONDATA_RACE] === [2021-11-13 18:58:53,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:58:53,192 INFO L85 PathProgramCache]: Analyzing trace with hash 84160321, now seen corresponding path program 1 times [2021-11-13 18:58:53,193 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-13 18:58:53,193 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1305509531] [2021-11-13 18:58:53,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:58:53,194 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 18:58:53,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6580f0b3-e6f7-428d-a72a-5c5b7ba1cdb7/bin/ugemcutter-4ibYxwfQ6a/mathsat [2021-11-13 18:58:53,196 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6580f0b3-e6f7-428d-a72a-5c5b7ba1cdb7/bin/ugemcutter-4ibYxwfQ6a/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 18:58:53,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6580f0b3-e6f7-428d-a72a-5c5b7ba1cdb7/bin/ugemcutter-4ibYxwfQ6a/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-13 18:58:53,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:53,307 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-13 18:58:53,310 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 18:58:53,460 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 18:58:53,503 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-13 18:58:53,504 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 28 [2021-11-13 18:58:53,647 INFO L354 Elim1Store]: treesize reduction 50, result has 31.5 percent of original size [2021-11-13 18:58:53,647 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 60 [2021-11-13 18:58:53,859 INFO L354 Elim1Store]: treesize reduction 95, result has 26.9 percent of original size [2021-11-13 18:58:53,859 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 79 treesize of output 93 [2021-11-13 18:58:54,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:58:54,038 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 18:58:54,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:58:54,344 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-13 18:58:54,344 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1305509531] [2021-11-13 18:58:54,344 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1305509531] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 18:58:54,344 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:58:54,345 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-13 18:58:54,345 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009617496] [2021-11-13 18:58:54,345 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 18:58:54,347 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-13 18:58:54,347 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-13 18:58:54,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-13 18:58:54,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=33, Unknown=0, NotChecked=0, Total=72 [2021-11-13 18:58:54,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 18:58:54,348 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-13 18:58:54,349 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 7.25) internal successors, (58), 9 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:58:54,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-13 18:58:54,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 18:58:54,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 18:58:54,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 18:58:54,783 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6580f0b3-e6f7-428d-a72a-5c5b7ba1cdb7/bin/ugemcutter-4ibYxwfQ6a/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-13 18:58:54,958 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6580f0b3-e6f7-428d-a72a-5c5b7ba1cdb7/bin/ugemcutter-4ibYxwfQ6a/mathsat -unsat_core_generation=3 [2021-11-13 18:58:54,959 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE, t_funErr2ASSERT_VIOLATIONDATA_RACE, t_funErr3ASSERT_VIOLATIONDATA_RACE] === [2021-11-13 18:58:54,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:58:54,960 INFO L85 PathProgramCache]: Analyzing trace with hash 1781124039, now seen corresponding path program 1 times [2021-11-13 18:58:54,960 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-13 18:58:54,960 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1626180835] [2021-11-13 18:58:54,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:58:54,961 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 18:58:54,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6580f0b3-e6f7-428d-a72a-5c5b7ba1cdb7/bin/ugemcutter-4ibYxwfQ6a/mathsat [2021-11-13 18:58:54,962 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6580f0b3-e6f7-428d-a72a-5c5b7ba1cdb7/bin/ugemcutter-4ibYxwfQ6a/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 18:58:55,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6580f0b3-e6f7-428d-a72a-5c5b7ba1cdb7/bin/ugemcutter-4ibYxwfQ6a/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-13 18:58:55,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:55,091 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-13 18:58:55,093 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 18:58:55,231 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-13 18:58:55,262 INFO L354 Elim1Store]: treesize reduction 24, result has 33.3 percent of original size [2021-11-13 18:58:55,262 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 30 [2021-11-13 18:58:55,361 INFO L354 Elim1Store]: treesize reduction 58, result has 30.1 percent of original size [2021-11-13 18:58:55,362 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 60 [2021-11-13 18:58:55,561 INFO L354 Elim1Store]: treesize reduction 105, result has 26.1 percent of original size [2021-11-13 18:58:55,561 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 80 treesize of output 94 [2021-11-13 18:58:55,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:58:55,678 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 18:58:55,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:58:55,949 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-13 18:58:55,949 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1626180835] [2021-11-13 18:58:55,950 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1626180835] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 18:58:55,950 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:58:55,950 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-13 18:58:55,950 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718740702] [2021-11-13 18:58:55,950 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 18:58:55,952 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-13 18:58:55,952 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-13 18:58:55,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-13 18:58:55,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=33, Unknown=0, NotChecked=0, Total=72 [2021-11-13 18:58:55,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 18:58:55,954 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-13 18:58:55,955 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 8.5) internal successors, (68), 9 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:58:55,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-13 18:58:55,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-13 18:58:55,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 18:58:56,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 18:58:56,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 18:58:56,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 18:58:56,354 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6580f0b3-e6f7-428d-a72a-5c5b7ba1cdb7/bin/ugemcutter-4ibYxwfQ6a/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-13 18:58:56,529 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6580f0b3-e6f7-428d-a72a-5c5b7ba1cdb7/bin/ugemcutter-4ibYxwfQ6a/mathsat -unsat_core_generation=3 [2021-11-13 18:58:56,530 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE, t_funErr2ASSERT_VIOLATIONDATA_RACE, t_funErr3ASSERT_VIOLATIONDATA_RACE] === [2021-11-13 18:58:56,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:58:56,530 INFO L85 PathProgramCache]: Analyzing trace with hash 1241353383, now seen corresponding path program 1 times [2021-11-13 18:58:56,531 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-13 18:58:56,531 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [572391469] [2021-11-13 18:58:56,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:58:56,531 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 18:58:56,532 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6580f0b3-e6f7-428d-a72a-5c5b7ba1cdb7/bin/ugemcutter-4ibYxwfQ6a/mathsat [2021-11-13 18:58:56,536 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6580f0b3-e6f7-428d-a72a-5c5b7ba1cdb7/bin/ugemcutter-4ibYxwfQ6a/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 18:58:56,537 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6580f0b3-e6f7-428d-a72a-5c5b7ba1cdb7/bin/ugemcutter-4ibYxwfQ6a/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-13 18:58:56,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:56,632 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-13 18:58:56,635 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 18:58:56,711 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 18:58:56,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:58:56,820 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 18:58:56,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:58:56,989 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-13 18:58:56,990 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [572391469] [2021-11-13 18:58:56,990 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [572391469] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 18:58:56,990 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:58:56,990 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-13 18:58:56,990 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260291019] [2021-11-13 18:58:56,990 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 18:58:56,991 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-13 18:58:56,991 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-13 18:58:56,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 18:58:56,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 18:58:56,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 18:58:56,992 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-13 18:58:56,993 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:58:56,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-13 18:58:56,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-13 18:58:56,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-13 18:58:56,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 18:58:57,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 18:58:57,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 18:58:57,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 18:58:57,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 18:58:57,206 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6580f0b3-e6f7-428d-a72a-5c5b7ba1cdb7/bin/ugemcutter-4ibYxwfQ6a/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-13 18:58:57,392 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6580f0b3-e6f7-428d-a72a-5c5b7ba1cdb7/bin/ugemcutter-4ibYxwfQ6a/mathsat -unsat_core_generation=3 [2021-11-13 18:58:57,393 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE, t_funErr2ASSERT_VIOLATIONDATA_RACE, t_funErr3ASSERT_VIOLATIONDATA_RACE] === [2021-11-13 18:58:57,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:58:57,393 INFO L85 PathProgramCache]: Analyzing trace with hash -761103041, now seen corresponding path program 2 times [2021-11-13 18:58:57,394 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-13 18:58:57,394 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1028094999] [2021-11-13 18:58:57,395 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-13 18:58:57,395 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 18:58:57,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6580f0b3-e6f7-428d-a72a-5c5b7ba1cdb7/bin/ugemcutter-4ibYxwfQ6a/mathsat [2021-11-13 18:58:57,396 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6580f0b3-e6f7-428d-a72a-5c5b7ba1cdb7/bin/ugemcutter-4ibYxwfQ6a/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 18:58:57,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6580f0b3-e6f7-428d-a72a-5c5b7ba1cdb7/bin/ugemcutter-4ibYxwfQ6a/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-13 18:58:57,520 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-11-13 18:58:57,520 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-11-13 18:58:57,520 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 18:58:57,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 18:58:57,668 INFO L133 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2021-11-13 18:58:57,669 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-13 18:58:57,670 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (3 of 4 remaining) [2021-11-13 18:58:57,672 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (2 of 4 remaining) [2021-11-13 18:58:57,672 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 4 remaining) [2021-11-13 18:58:57,672 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONDATA_RACE (0 of 4 remaining) [2021-11-13 18:58:57,691 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6580f0b3-e6f7-428d-a72a-5c5b7ba1cdb7/bin/ugemcutter-4ibYxwfQ6a/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-13 18:58:57,886 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6580f0b3-e6f7-428d-a72a-5c5b7ba1cdb7/bin/ugemcutter-4ibYxwfQ6a/mathsat -unsat_core_generation=3 [2021-11-13 18:58:57,900 INFO L732 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1] [2021-11-13 18:58:57,901 INFO L308 ceAbstractionStarter]: Result for error location t_funThread1of1ForFork0 was UNSAFE,UNKNOWN,UNKNOWN,UNKNOWN (1/2) [2021-11-13 18:58:57,905 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-11-13 18:58:57,906 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-13 18:58:57,951 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator.computeCurrectProc(InlinerBacktranslator.java:230) at de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator.translateProgramExecution(InlinerBacktranslator.java:203) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:216) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:225) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:225) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:225) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:206) at de.uni_freiburg.informatik.ultimate.core.lib.results.DataRaceFoundResult.getLongDescription(DataRaceFoundResult.java:136) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:86) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResultReporter.reportResult(CegarLoopResultReporter.java:141) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.reportLocationResults(TraceAbstractionStarter.java:586) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:181) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) 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) [2021-11-13 18:58:57,953 INFO L158 Benchmark]: Toolchain (without parser) took 7867.43ms. Allocated memory was 62.9MB in the beginning and 98.6MB in the end (delta: 35.7MB). Free memory was 40.5MB in the beginning and 32.3MB in the end (delta: 8.2MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2021-11-13 18:58:57,954 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 62.9MB. Free memory was 44.3MB in the beginning and 44.2MB in the end (delta: 48.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 18:58:57,954 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1069.75ms. Allocated memory is still 62.9MB. Free memory was 40.2MB in the beginning and 34.4MB in the end (delta: 5.8MB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB. [2021-11-13 18:58:57,955 INFO L158 Benchmark]: Boogie Procedure Inliner took 107.09ms. Allocated memory is still 62.9MB. Free memory was 34.4MB in the beginning and 31.6MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-13 18:58:57,955 INFO L158 Benchmark]: Boogie Preprocessor took 57.50ms. Allocated memory is still 62.9MB. Free memory was 31.6MB in the beginning and 29.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 18:58:57,956 INFO L158 Benchmark]: RCFGBuilder took 730.52ms. Allocated memory was 62.9MB in the beginning and 81.8MB in the end (delta: 18.9MB). Free memory was 29.5MB in the beginning and 50.7MB in the end (delta: -21.2MB). Peak memory consumption was 10.2MB. Max. memory is 16.1GB. [2021-11-13 18:58:57,957 INFO L158 Benchmark]: TraceAbstraction took 5891.18ms. Allocated memory was 81.8MB in the beginning and 98.6MB in the end (delta: 16.8MB). Free memory was 50.4MB in the beginning and 32.3MB in the end (delta: 18.1MB). Peak memory consumption was 34.8MB. Max. memory is 16.1GB. [2021-11-13 18:58:57,959 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 62.9MB. Free memory was 44.3MB in the beginning and 44.2MB in the end (delta: 48.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1069.75ms. Allocated memory is still 62.9MB. Free memory was 40.2MB in the beginning and 34.4MB in the end (delta: 5.8MB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 107.09ms. Allocated memory is still 62.9MB. Free memory was 34.4MB in the beginning and 31.6MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.50ms. Allocated memory is still 62.9MB. Free memory was 31.6MB in the beginning and 29.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 730.52ms. Allocated memory was 62.9MB in the beginning and 81.8MB in the end (delta: 18.9MB). Free memory was 29.5MB in the beginning and 50.7MB in the end (delta: -21.2MB). Peak memory consumption was 10.2MB. Max. memory is 16.1GB. * TraceAbstraction took 5891.18ms. Allocated memory was 81.8MB in the beginning and 98.6MB in the end (delta: 16.8MB). Free memory was 50.4MB in the beginning and 32.3MB in the end (delta: 18.1MB). Peak memory consumption was 34.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1241, positive: 1171, positive conditional: 309, positive unconditional: 862, negative: 70, negative conditional: 34, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1219, positive: 1171, positive conditional: 309, positive unconditional: 862, negative: 48, negative conditional: 12, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1219, positive: 1171, positive conditional: 309, positive unconditional: 862, negative: 48, negative conditional: 12, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1244, positive: 1171, positive conditional: 303, positive unconditional: 868, negative: 73, negative conditional: 25, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1244, positive: 1171, positive conditional: 165, positive unconditional: 1006, negative: 73, negative conditional: 6, negative unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1244, positive: 1171, positive conditional: 165, positive unconditional: 1006, negative: 73, negative conditional: 6, negative unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 903, positive: 863, positive conditional: 1, positive unconditional: 862, negative: 40, negative conditional: 2, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 903, positive: 800, positive conditional: 0, positive unconditional: 800, negative: 103, negative conditional: 0, negative unconditional: 103, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 103, positive: 63, positive conditional: 1, positive unconditional: 62, negative: 40, negative conditional: 2, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 443, positive: 259, positive conditional: 2, positive unconditional: 256, negative: 184, negative conditional: 13, negative unconditional: 171, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1244, positive: 308, positive conditional: 164, positive unconditional: 144, negative: 33, negative conditional: 4, negative unconditional: 29, unknown: 903, unknown conditional: 3, unknown unconditional: 900] , Statistics on independence cache: Total cache size (in pairs): 903, Positive cache size: 863, Positive conditional cache size: 1, Positive unconditional cache size: 862, Negative cache size: 40, Negative conditional cache size: 2, Negative unconditional cache size: 38, Eliminated conditions: 157, Maximal queried relation: 3, Independence queries for same thread: 22 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 492.68ms, Number of persistent set computation: 148, Number of trivial persistent sets: 134, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 898, positive: 862, positive conditional: 0, positive unconditional: 862, negative: 36, negative conditional: 0, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1241, positive: 1171, positive conditional: 309, positive unconditional: 862, negative: 70, negative conditional: 34, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1219, positive: 1171, positive conditional: 309, positive unconditional: 862, negative: 48, negative conditional: 12, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1219, positive: 1171, positive conditional: 309, positive unconditional: 862, negative: 48, negative conditional: 12, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1244, positive: 1171, positive conditional: 303, positive unconditional: 868, negative: 73, negative conditional: 25, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1244, positive: 1171, positive conditional: 165, positive unconditional: 1006, negative: 73, negative conditional: 6, negative unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1244, positive: 1171, positive conditional: 165, positive unconditional: 1006, negative: 73, negative conditional: 6, negative unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 903, positive: 863, positive conditional: 1, positive unconditional: 862, negative: 40, negative conditional: 2, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 903, positive: 800, positive conditional: 0, positive unconditional: 800, negative: 103, negative conditional: 0, negative unconditional: 103, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 103, positive: 63, positive conditional: 1, positive unconditional: 62, negative: 40, negative conditional: 2, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 443, positive: 259, positive conditional: 2, positive unconditional: 256, negative: 184, negative conditional: 13, negative unconditional: 171, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1244, positive: 308, positive conditional: 164, positive unconditional: 144, negative: 33, negative conditional: 4, negative unconditional: 29, unknown: 903, unknown conditional: 3, unknown unconditional: 900] , Statistics on independence cache: Total cache size (in pairs): 903, Positive cache size: 863, Positive conditional cache size: 1, Positive unconditional cache size: 862, Negative cache size: 40, Negative conditional cache size: 2, Negative unconditional cache size: 38, Eliminated conditions: 157, Maximal queried relation: 3, Independence queries for same thread: 22 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: NullPointerException: null: de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator.computeCurrectProc(InlinerBacktranslator.java:230) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-13 18:58:58,011 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6580f0b3-e6f7-428d-a72a-5c5b7ba1cdb7/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2021-11-13 18:58:58,220 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6580f0b3-e6f7-428d-a72a-5c5b7ba1cdb7/bin/ugemcutter-4ibYxwfQ6a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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: NullPointerException: null