./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/04-mutex_43-thread_create_nr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53fd4512-6f39-4920-a362-1a87ceb0f17e/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53fd4512-6f39-4920-a362-1a87ceb0f17e/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53fd4512-6f39-4920-a362-1a87ceb0f17e/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53fd4512-6f39-4920-a362-1a87ceb0f17e/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/04-mutex_43-thread_create_nr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53fd4512-6f39-4920-a362-1a87ceb0f17e/bin/uautomizer-Dbtcem3rbc/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53fd4512-6f39-4920-a362-1a87ceb0f17e/bin/uautomizer-Dbtcem3rbc --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4f10ff474b4a5b0ac51f5a2282c4b94cd510edf14cc1176b49d640deffa746e5 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-02 20:41:31,619 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:41:31,621 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:41:31,650 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:41:31,651 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:41:31,652 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:41:31,653 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:41:31,655 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:41:31,657 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:41:31,658 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:41:31,660 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:41:31,661 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:41:31,661 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:41:31,663 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:41:31,664 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:41:31,665 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:41:31,666 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:41:31,668 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:41:31,670 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:41:31,672 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:41:31,674 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:41:31,675 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:41:31,676 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:41:31,677 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:41:31,681 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:41:31,682 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:41:31,682 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:41:31,683 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:41:31,684 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:41:31,685 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:41:31,685 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:41:31,686 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:41:31,687 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:41:31,688 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:41:31,690 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:41:31,690 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:41:31,691 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:41:31,692 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:41:31,692 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:41:31,693 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:41:31,694 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:41:31,696 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53fd4512-6f39-4920-a362-1a87ceb0f17e/bin/uautomizer-Dbtcem3rbc/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-02 20:41:31,721 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:41:31,721 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:41:31,722 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:41:31,722 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:41:31,723 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 20:41:31,723 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 20:41:31,724 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:41:31,724 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:41:31,724 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:41:31,725 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:41:31,725 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-02 20:41:31,725 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-02 20:41:31,726 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:41:31,726 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-02 20:41:31,726 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:41:31,727 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 20:41:31,727 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 20:41:31,727 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 20:41:31,727 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-02 20:41:31,728 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-02 20:41:31,728 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:41:31,728 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:41:31,728 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 20:41:31,729 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:41:31,729 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:41:31,729 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 20:41:31,730 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:41:31,730 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:41:31,730 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 20:41:31,731 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 20:41:31,731 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:41:31,731 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 20:41:31,732 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 20:41:31,732 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 20:41:31,732 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 20:41:31,732 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_53fd4512-6f39-4920-a362-1a87ceb0f17e/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53fd4512-6f39-4920-a362-1a87ceb0f17e/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4f10ff474b4a5b0ac51f5a2282c4b94cd510edf14cc1176b49d640deffa746e5 [2022-11-02 20:41:31,994 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:41:32,019 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:41:32,022 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:41:32,023 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:41:32,025 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:41:32,027 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53fd4512-6f39-4920-a362-1a87ceb0f17e/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/goblint-regression/04-mutex_43-thread_create_nr.i [2022-11-02 20:41:32,115 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53fd4512-6f39-4920-a362-1a87ceb0f17e/bin/uautomizer-Dbtcem3rbc/data/aceb93fc3/c4041878e7b4437a9406b648d569d359/FLAG7b2390779 [2022-11-02 20:41:32,769 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:41:32,770 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53fd4512-6f39-4920-a362-1a87ceb0f17e/sv-benchmarks/c/goblint-regression/04-mutex_43-thread_create_nr.i [2022-11-02 20:41:32,787 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53fd4512-6f39-4920-a362-1a87ceb0f17e/bin/uautomizer-Dbtcem3rbc/data/aceb93fc3/c4041878e7b4437a9406b648d569d359/FLAG7b2390779 [2022-11-02 20:41:33,045 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53fd4512-6f39-4920-a362-1a87ceb0f17e/bin/uautomizer-Dbtcem3rbc/data/aceb93fc3/c4041878e7b4437a9406b648d569d359 [2022-11-02 20:41:33,048 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:41:33,049 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:41:33,051 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:41:33,051 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:41:33,057 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:41:33,058 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:41:33" (1/1) ... [2022-11-02 20:41:33,059 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cdf05c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:41:33, skipping insertion in model container [2022-11-02 20:41:33,059 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:41:33" (1/1) ... [2022-11-02 20:41:33,067 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:41:33,114 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:41:33,672 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:41:33,688 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:41:33,723 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:41:33,780 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:41:33,781 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:41:33 WrapperNode [2022-11-02 20:41:33,781 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:41:33,782 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:41:33,782 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:41:33,782 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:41:33,794 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:41:33" (1/1) ... [2022-11-02 20:41:33,820 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:41:33" (1/1) ... [2022-11-02 20:41:33,857 INFO L138 Inliner]: procedures = 262, calls = 14, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 56 [2022-11-02 20:41:33,857 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:41:33,858 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:41:33,858 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:41:33,859 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:41:33,867 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:41:33" (1/1) ... [2022-11-02 20:41:33,868 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:41:33" (1/1) ... [2022-11-02 20:41:33,891 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:41:33" (1/1) ... [2022-11-02 20:41:33,892 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:41:33" (1/1) ... [2022-11-02 20:41:33,903 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:41:33" (1/1) ... [2022-11-02 20:41:33,904 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:41:33" (1/1) ... [2022-11-02 20:41:33,906 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:41:33" (1/1) ... [2022-11-02 20:41:33,907 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:41:33" (1/1) ... [2022-11-02 20:41:33,921 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:41:33,922 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:41:33,922 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:41:33,922 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:41:33,923 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:41:33" (1/1) ... [2022-11-02 20:41:33,930 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:41:33,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53fd4512-6f39-4920-a362-1a87ceb0f17e/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:41:33,967 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53fd4512-6f39-4920-a362-1a87ceb0f17e/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 20:41:34,015 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-02 20:41:34,016 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-02 20:41:34,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-02 20:41:34,016 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-02 20:41:34,016 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 20:41:34,016 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-02 20:41:34,017 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-02 20:41:34,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 20:41:34,017 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:41:34,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:41:33,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53fd4512-6f39-4920-a362-1a87ceb0f17e/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 20:41:34,020 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-02 20:41:34,186 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:41:34,189 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:41:34,381 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:41:34,389 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:41:34,389 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-02 20:41:34,391 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:41:34 BoogieIcfgContainer [2022-11-02 20:41:34,391 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:41:34,394 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 20:41:34,394 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 20:41:34,418 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 20:41:34,418 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:41:33" (1/3) ... [2022-11-02 20:41:34,419 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@225f948c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:41:34, skipping insertion in model container [2022-11-02 20:41:34,419 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:41:33" (2/3) ... [2022-11-02 20:41:34,420 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@225f948c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:41:34, skipping insertion in model container [2022-11-02 20:41:34,420 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:41:34" (3/3) ... [2022-11-02 20:41:34,421 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_43-thread_create_nr.i [2022-11-02 20:41:34,431 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-02 20:41:34,456 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 20:41:34,456 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 7 error locations. [2022-11-02 20:41:34,457 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-02 20:41:34,556 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-02 20:41:34,610 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 85 places, 81 transitions, 167 flow [2022-11-02 20:41:34,696 INFO L130 PetriNetUnfolder]: 0/80 cut-off events. [2022-11-02 20:41:34,696 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-02 20:41:34,700 INFO L83 FinitePrefix]: Finished finitePrefix Result has 84 conditions, 80 events. 0/80 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 43 event pairs, 0 based on Foata normal form. 0/73 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2022-11-02 20:41:34,700 INFO L82 GeneralOperation]: Start removeDead. Operand has 85 places, 81 transitions, 167 flow [2022-11-02 20:41:34,711 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 84 places, 80 transitions, 163 flow [2022-11-02 20:41:34,737 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 20:41:34,747 INFO L357 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=PETRI_NET, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@47344f0a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 20:41:34,747 INFO L358 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2022-11-02 20:41:34,775 INFO L130 PetriNetUnfolder]: 0/30 cut-off events. [2022-11-02 20:41:34,778 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-02 20:41:34,779 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:41:34,780 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:41:34,780 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2022-11-02 20:41:34,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:41:34,789 INFO L85 PathProgramCache]: Analyzing trace with hash 2108077353, now seen corresponding path program 1 times [2022-11-02 20:41:34,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:41:34,800 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721333757] [2022-11-02 20:41:34,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:41:34,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:41:34,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:35,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:41:35,128 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:41:35,129 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [721333757] [2022-11-02 20:41:35,129 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [721333757] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:41:35,130 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:41:35,130 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:41:35,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035444490] [2022-11-02 20:41:35,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:41:35,145 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:41:35,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:41:35,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:41:35,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:41:35,198 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 68 out of 81 [2022-11-02 20:41:35,204 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 80 transitions, 163 flow. Second operand has 3 states, 3 states have (on average 69.33333333333333) internal successors, (208), 3 states have internal predecessors, (208), 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) [2022-11-02 20:41:35,204 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:41:35,204 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 68 of 81 [2022-11-02 20:41:35,206 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:41:35,294 INFO L130 PetriNetUnfolder]: 0/79 cut-off events. [2022-11-02 20:41:35,294 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-11-02 20:41:35,295 INFO L83 FinitePrefix]: Finished finitePrefix Result has 96 conditions, 79 events. 0/79 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 44 event pairs, 0 based on Foata normal form. 0/73 useless extension candidates. Maximal degree in co-relation 0. Up to 11 conditions per place. [2022-11-02 20:41:35,296 INFO L137 encePairwiseOnDemand]: 78/81 looper letters, 10 selfloop transitions, 2 changer transitions 0/79 dead transitions. [2022-11-02 20:41:35,297 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 85 places, 79 transitions, 185 flow [2022-11-02 20:41:35,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:41:35,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:41:35,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 217 transitions. [2022-11-02 20:41:35,315 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8930041152263375 [2022-11-02 20:41:35,315 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 217 transitions. [2022-11-02 20:41:35,316 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 217 transitions. [2022-11-02 20:41:35,319 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:41:35,321 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 217 transitions. [2022-11-02 20:41:35,329 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 72.33333333333333) internal successors, (217), 3 states have internal predecessors, (217), 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) [2022-11-02 20:41:35,339 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 81.0) internal successors, (324), 4 states have internal predecessors, (324), 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) [2022-11-02 20:41:35,340 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 81.0) internal successors, (324), 4 states have internal predecessors, (324), 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) [2022-11-02 20:41:35,342 INFO L175 Difference]: Start difference. First operand has 84 places, 80 transitions, 163 flow. Second operand 3 states and 217 transitions. [2022-11-02 20:41:35,343 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 85 places, 79 transitions, 185 flow [2022-11-02 20:41:35,350 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 84 places, 79 transitions, 184 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-02 20:41:35,357 INFO L231 Difference]: Finished difference. Result has 84 places, 79 transitions, 164 flow [2022-11-02 20:41:35,359 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=81, PETRI_DIFFERENCE_MINUEND_FLOW=160, PETRI_DIFFERENCE_MINUEND_PLACES=82, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=79, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=77, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=164, PETRI_PLACES=84, PETRI_TRANSITIONS=79} [2022-11-02 20:41:35,368 INFO L287 CegarLoopForPetriNet]: 84 programPoint places, 0 predicate places. [2022-11-02 20:41:35,368 INFO L495 AbstractCegarLoop]: Abstraction has has 84 places, 79 transitions, 164 flow [2022-11-02 20:41:35,368 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 69.33333333333333) internal successors, (208), 3 states have internal predecessors, (208), 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) [2022-11-02 20:41:35,369 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:41:35,369 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:41:35,370 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-02 20:41:35,371 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2022-11-02 20:41:35,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:41:35,372 INFO L85 PathProgramCache]: Analyzing trace with hash 720751951, now seen corresponding path program 1 times [2022-11-02 20:41:35,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:41:35,372 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1446432458] [2022-11-02 20:41:35,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:41:35,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:41:35,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:35,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:41:35,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:41:35,473 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1446432458] [2022-11-02 20:41:35,474 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1446432458] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:41:35,474 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:41:35,474 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:41:35,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205102864] [2022-11-02 20:41:35,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:41:35,475 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:41:35,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:41:35,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:41:35,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:41:35,477 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 68 out of 81 [2022-11-02 20:41:35,478 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 79 transitions, 164 flow. Second operand has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 3 states have internal predecessors, (206), 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) [2022-11-02 20:41:35,478 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:41:35,478 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 68 of 81 [2022-11-02 20:41:35,478 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:41:35,511 INFO L130 PetriNetUnfolder]: 0/77 cut-off events. [2022-11-02 20:41:35,511 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-02 20:41:35,511 INFO L83 FinitePrefix]: Finished finitePrefix Result has 95 conditions, 77 events. 0/77 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 39 event pairs, 0 based on Foata normal form. 0/73 useless extension candidates. Maximal degree in co-relation 0. Up to 8 conditions per place. [2022-11-02 20:41:35,512 INFO L137 encePairwiseOnDemand]: 75/81 looper letters, 7 selfloop transitions, 4 changer transitions 0/77 dead transitions. [2022-11-02 20:41:35,512 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 77 transitions, 182 flow [2022-11-02 20:41:35,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:41:35,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:41:35,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 217 transitions. [2022-11-02 20:41:35,514 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8930041152263375 [2022-11-02 20:41:35,514 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 217 transitions. [2022-11-02 20:41:35,514 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 217 transitions. [2022-11-02 20:41:35,515 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:41:35,515 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 217 transitions. [2022-11-02 20:41:35,516 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 72.33333333333333) internal successors, (217), 3 states have internal predecessors, (217), 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) [2022-11-02 20:41:35,517 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 81.0) internal successors, (324), 4 states have internal predecessors, (324), 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) [2022-11-02 20:41:35,517 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 81.0) internal successors, (324), 4 states have internal predecessors, (324), 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) [2022-11-02 20:41:35,517 INFO L175 Difference]: Start difference. First operand has 84 places, 79 transitions, 164 flow. Second operand 3 states and 217 transitions. [2022-11-02 20:41:35,518 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 84 places, 77 transitions, 182 flow [2022-11-02 20:41:35,519 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 77 transitions, 178 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 20:41:35,520 INFO L231 Difference]: Finished difference. Result has 82 places, 77 transitions, 164 flow [2022-11-02 20:41:35,521 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=81, PETRI_DIFFERENCE_MINUEND_FLOW=156, PETRI_DIFFERENCE_MINUEND_PLACES=80, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=77, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=73, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=164, PETRI_PLACES=82, PETRI_TRANSITIONS=77} [2022-11-02 20:41:35,521 INFO L287 CegarLoopForPetriNet]: 84 programPoint places, -2 predicate places. [2022-11-02 20:41:35,522 INFO L495 AbstractCegarLoop]: Abstraction has has 82 places, 77 transitions, 164 flow [2022-11-02 20:41:35,522 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 3 states have internal predecessors, (206), 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) [2022-11-02 20:41:35,522 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:41:35,522 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:41:35,522 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-02 20:41:35,523 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2022-11-02 20:41:35,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:41:35,523 INFO L85 PathProgramCache]: Analyzing trace with hash -169056377, now seen corresponding path program 1 times [2022-11-02 20:41:35,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:41:35,524 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874592601] [2022-11-02 20:41:35,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:41:35,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:41:35,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:35,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:41:35,633 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:41:35,633 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [874592601] [2022-11-02 20:41:35,633 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [874592601] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:41:35,633 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:41:35,634 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:41:35,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471767871] [2022-11-02 20:41:35,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:41:35,634 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:41:35,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:41:35,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:41:35,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:41:35,636 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 65 out of 81 [2022-11-02 20:41:35,636 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 82 places, 77 transitions, 164 flow. Second operand has 3 states, 3 states have (on average 67.0) internal successors, (201), 3 states have internal predecessors, (201), 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) [2022-11-02 20:41:35,637 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:41:35,637 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 65 of 81 [2022-11-02 20:41:35,637 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:41:35,690 INFO L130 PetriNetUnfolder]: 0/76 cut-off events. [2022-11-02 20:41:35,690 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-11-02 20:41:35,691 INFO L83 FinitePrefix]: Finished finitePrefix Result has 98 conditions, 76 events. 0/76 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 38 event pairs, 0 based on Foata normal form. 0/73 useless extension candidates. Maximal degree in co-relation 0. Up to 12 conditions per place. [2022-11-02 20:41:35,692 INFO L137 encePairwiseOnDemand]: 78/81 looper letters, 11 selfloop transitions, 2 changer transitions 0/76 dead transitions. [2022-11-02 20:41:35,693 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 83 places, 76 transitions, 188 flow [2022-11-02 20:41:35,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:41:35,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:41:35,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 209 transitions. [2022-11-02 20:41:35,695 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8600823045267489 [2022-11-02 20:41:35,695 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 209 transitions. [2022-11-02 20:41:35,696 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 209 transitions. [2022-11-02 20:41:35,696 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:41:35,696 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 209 transitions. [2022-11-02 20:41:35,697 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 69.66666666666667) internal successors, (209), 3 states have internal predecessors, (209), 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) [2022-11-02 20:41:35,698 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 81.0) internal successors, (324), 4 states have internal predecessors, (324), 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) [2022-11-02 20:41:35,699 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 81.0) internal successors, (324), 4 states have internal predecessors, (324), 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) [2022-11-02 20:41:35,699 INFO L175 Difference]: Start difference. First operand has 82 places, 77 transitions, 164 flow. Second operand 3 states and 209 transitions. [2022-11-02 20:41:35,699 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 83 places, 76 transitions, 188 flow [2022-11-02 20:41:35,700 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 76 transitions, 180 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 20:41:35,702 INFO L231 Difference]: Finished difference. Result has 81 places, 76 transitions, 158 flow [2022-11-02 20:41:35,702 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=81, PETRI_DIFFERENCE_MINUEND_FLOW=154, PETRI_DIFFERENCE_MINUEND_PLACES=79, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=76, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=74, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=158, PETRI_PLACES=81, PETRI_TRANSITIONS=76} [2022-11-02 20:41:35,703 INFO L287 CegarLoopForPetriNet]: 84 programPoint places, -3 predicate places. [2022-11-02 20:41:35,703 INFO L495 AbstractCegarLoop]: Abstraction has has 81 places, 76 transitions, 158 flow [2022-11-02 20:41:35,703 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 67.0) internal successors, (201), 3 states have internal predecessors, (201), 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) [2022-11-02 20:41:35,704 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:41:35,704 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:41:35,704 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-02 20:41:35,704 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2022-11-02 20:41:35,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:41:35,705 INFO L85 PathProgramCache]: Analyzing trace with hash -628603746, now seen corresponding path program 1 times [2022-11-02 20:41:35,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:41:35,705 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [374524037] [2022-11-02 20:41:35,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:41:35,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:41:35,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:35,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:41:35,768 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:41:35,768 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [374524037] [2022-11-02 20:41:35,769 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [374524037] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:41:35,769 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:41:35,769 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:41:35,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293015288] [2022-11-02 20:41:35,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:41:35,770 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:41:35,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:41:35,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:41:35,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:41:35,772 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 81 [2022-11-02 20:41:35,773 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 81 places, 76 transitions, 158 flow. Second operand has 3 states, 3 states have (on average 72.66666666666667) internal successors, (218), 3 states have internal predecessors, (218), 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) [2022-11-02 20:41:35,773 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:41:35,773 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 81 [2022-11-02 20:41:35,773 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:41:35,799 INFO L130 PetriNetUnfolder]: 0/75 cut-off events. [2022-11-02 20:41:35,799 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-02 20:41:35,800 INFO L83 FinitePrefix]: Finished finitePrefix Result has 90 conditions, 75 events. 0/75 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 33 event pairs, 0 based on Foata normal form. 0/73 useless extension candidates. Maximal degree in co-relation 0. Up to 7 conditions per place. [2022-11-02 20:41:35,800 INFO L137 encePairwiseOnDemand]: 78/81 looper letters, 6 selfloop transitions, 2 changer transitions 0/75 dead transitions. [2022-11-02 20:41:35,800 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 75 transitions, 172 flow [2022-11-02 20:41:35,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:41:35,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:41:35,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 222 transitions. [2022-11-02 20:41:35,803 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9135802469135802 [2022-11-02 20:41:35,803 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 222 transitions. [2022-11-02 20:41:35,803 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 222 transitions. [2022-11-02 20:41:35,803 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:41:35,804 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 222 transitions. [2022-11-02 20:41:35,804 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 74.0) internal successors, (222), 3 states have internal predecessors, (222), 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) [2022-11-02 20:41:35,806 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 81.0) internal successors, (324), 4 states have internal predecessors, (324), 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) [2022-11-02 20:41:35,806 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 81.0) internal successors, (324), 4 states have internal predecessors, (324), 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) [2022-11-02 20:41:35,806 INFO L175 Difference]: Start difference. First operand has 81 places, 76 transitions, 158 flow. Second operand 3 states and 222 transitions. [2022-11-02 20:41:35,807 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 75 transitions, 172 flow [2022-11-02 20:41:35,807 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 75 transitions, 168 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 20:41:35,809 INFO L231 Difference]: Finished difference. Result has 80 places, 75 transitions, 156 flow [2022-11-02 20:41:35,809 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=81, PETRI_DIFFERENCE_MINUEND_FLOW=152, PETRI_DIFFERENCE_MINUEND_PLACES=78, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=75, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=73, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=156, PETRI_PLACES=80, PETRI_TRANSITIONS=75} [2022-11-02 20:41:35,810 INFO L287 CegarLoopForPetriNet]: 84 programPoint places, -4 predicate places. [2022-11-02 20:41:35,811 INFO L495 AbstractCegarLoop]: Abstraction has has 80 places, 75 transitions, 156 flow [2022-11-02 20:41:35,811 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 72.66666666666667) internal successors, (218), 3 states have internal predecessors, (218), 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) [2022-11-02 20:41:35,811 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:41:35,812 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:41:35,812 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-02 20:41:35,812 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2022-11-02 20:41:35,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:41:35,813 INFO L85 PathProgramCache]: Analyzing trace with hash -1725996845, now seen corresponding path program 1 times [2022-11-02 20:41:35,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:41:35,813 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1320705848] [2022-11-02 20:41:35,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:41:35,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:41:35,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:35,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:41:35,867 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:41:35,867 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1320705848] [2022-11-02 20:41:35,867 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1320705848] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:41:35,868 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:41:35,868 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:41:35,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244331173] [2022-11-02 20:41:35,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:41:35,869 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:41:35,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:41:35,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:41:35,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:41:35,870 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 68 out of 81 [2022-11-02 20:41:35,871 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 80 places, 75 transitions, 156 flow. Second operand has 3 states, 3 states have (on average 71.0) internal successors, (213), 3 states have internal predecessors, (213), 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) [2022-11-02 20:41:35,871 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:41:35,871 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 68 of 81 [2022-11-02 20:41:35,872 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:41:35,898 INFO L130 PetriNetUnfolder]: 0/74 cut-off events. [2022-11-02 20:41:35,898 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-11-02 20:41:35,899 INFO L83 FinitePrefix]: Finished finitePrefix Result has 91 conditions, 74 events. 0/74 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 29 event pairs, 0 based on Foata normal form. 0/73 useless extension candidates. Maximal degree in co-relation 0. Up to 9 conditions per place. [2022-11-02 20:41:35,899 INFO L137 encePairwiseOnDemand]: 78/81 looper letters, 8 selfloop transitions, 2 changer transitions 5/74 dead transitions. [2022-11-02 20:41:35,899 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 74 transitions, 174 flow [2022-11-02 20:41:35,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:41:35,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:41:35,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 215 transitions. [2022-11-02 20:41:35,901 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8847736625514403 [2022-11-02 20:41:35,901 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 215 transitions. [2022-11-02 20:41:35,902 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 215 transitions. [2022-11-02 20:41:35,902 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:41:35,902 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 215 transitions. [2022-11-02 20:41:35,903 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 71.66666666666667) internal successors, (215), 3 states have internal predecessors, (215), 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) [2022-11-02 20:41:35,904 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 81.0) internal successors, (324), 4 states have internal predecessors, (324), 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) [2022-11-02 20:41:35,904 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 81.0) internal successors, (324), 4 states have internal predecessors, (324), 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) [2022-11-02 20:41:35,905 INFO L175 Difference]: Start difference. First operand has 80 places, 75 transitions, 156 flow. Second operand 3 states and 215 transitions. [2022-11-02 20:41:35,905 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 74 transitions, 174 flow [2022-11-02 20:41:35,906 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 79 places, 74 transitions, 170 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 20:41:35,907 INFO L231 Difference]: Finished difference. Result has 79 places, 69 transitions, 144 flow [2022-11-02 20:41:35,908 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=81, PETRI_DIFFERENCE_MINUEND_FLOW=150, PETRI_DIFFERENCE_MINUEND_PLACES=77, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=74, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=72, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=144, PETRI_PLACES=79, PETRI_TRANSITIONS=69} [2022-11-02 20:41:35,908 INFO L287 CegarLoopForPetriNet]: 84 programPoint places, -5 predicate places. [2022-11-02 20:41:35,909 INFO L495 AbstractCegarLoop]: Abstraction has has 79 places, 69 transitions, 144 flow [2022-11-02 20:41:35,909 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 71.0) internal successors, (213), 3 states have internal predecessors, (213), 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) [2022-11-02 20:41:35,909 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:41:35,909 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:41:35,910 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-02 20:41:35,910 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2022-11-02 20:41:35,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:41:35,911 INFO L85 PathProgramCache]: Analyzing trace with hash -1394129420, now seen corresponding path program 1 times [2022-11-02 20:41:35,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:41:35,911 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729681088] [2022-11-02 20:41:35,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:41:35,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:41:35,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:35,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:41:35,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:41:35,960 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [729681088] [2022-11-02 20:41:35,960 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [729681088] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:41:35,961 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:41:35,961 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:41:35,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45837205] [2022-11-02 20:41:35,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:41:35,962 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:41:35,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:41:35,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:41:35,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:41:35,963 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 66 out of 81 [2022-11-02 20:41:35,964 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 79 places, 69 transitions, 144 flow. Second operand has 3 states, 3 states have (on average 69.33333333333333) internal successors, (208), 3 states have internal predecessors, (208), 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) [2022-11-02 20:41:35,964 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:41:35,964 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 66 of 81 [2022-11-02 20:41:35,964 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:41:35,985 INFO L130 PetriNetUnfolder]: 0/68 cut-off events. [2022-11-02 20:41:35,986 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-02 20:41:35,986 INFO L83 FinitePrefix]: Finished finitePrefix Result has 84 conditions, 68 events. 0/68 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 16 event pairs, 0 based on Foata normal form. 1/69 useless extension candidates. Maximal degree in co-relation 0. Up to 9 conditions per place. [2022-11-02 20:41:35,986 INFO L137 encePairwiseOnDemand]: 79/81 looper letters, 0 selfloop transitions, 0 changer transitions 68/68 dead transitions. [2022-11-02 20:41:35,986 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 68 transitions, 160 flow [2022-11-02 20:41:35,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:41:35,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:41:35,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 208 transitions. [2022-11-02 20:41:35,988 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8559670781893004 [2022-11-02 20:41:35,988 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 208 transitions. [2022-11-02 20:41:35,988 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 208 transitions. [2022-11-02 20:41:35,989 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:41:35,989 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 208 transitions. [2022-11-02 20:41:35,990 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 69.33333333333333) internal successors, (208), 3 states have internal predecessors, (208), 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) [2022-11-02 20:41:35,991 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 81.0) internal successors, (324), 4 states have internal predecessors, (324), 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) [2022-11-02 20:41:35,991 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 81.0) internal successors, (324), 4 states have internal predecessors, (324), 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) [2022-11-02 20:41:35,991 INFO L175 Difference]: Start difference. First operand has 79 places, 69 transitions, 144 flow. Second operand 3 states and 208 transitions. [2022-11-02 20:41:35,991 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 68 transitions, 160 flow [2022-11-02 20:41:35,992 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 73 places, 68 transitions, 156 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 20:41:35,993 INFO L231 Difference]: Finished difference. Result has 73 places, 0 transitions, 0 flow [2022-11-02 20:41:35,993 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=81, PETRI_DIFFERENCE_MINUEND_FLOW=138, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=68, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=68, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=73, PETRI_TRANSITIONS=0} [2022-11-02 20:41:35,994 INFO L287 CegarLoopForPetriNet]: 84 programPoint places, -11 predicate places. [2022-11-02 20:41:35,995 INFO L495 AbstractCegarLoop]: Abstraction has has 73 places, 0 transitions, 0 flow [2022-11-02 20:41:35,995 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 69.33333333333333) internal successors, (208), 3 states have internal predecessors, (208), 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) [2022-11-02 20:41:35,998 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (9 of 10 remaining) [2022-11-02 20:41:35,998 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (8 of 10 remaining) [2022-11-02 20:41:35,999 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (7 of 10 remaining) [2022-11-02 20:41:35,999 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (6 of 10 remaining) [2022-11-02 20:41:35,999 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (5 of 10 remaining) [2022-11-02 20:41:36,000 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 10 remaining) [2022-11-02 20:41:36,000 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 10 remaining) [2022-11-02 20:41:36,000 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 10 remaining) [2022-11-02 20:41:36,001 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 10 remaining) [2022-11-02 20:41:36,001 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 10 remaining) [2022-11-02 20:41:36,001 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-02 20:41:36,002 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2022-11-02 20:41:36,008 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-02 20:41:36,008 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-02 20:41:36,013 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 08:41:36 BasicIcfg [2022-11-02 20:41:36,013 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-02 20:41:36,014 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-02 20:41:36,014 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-02 20:41:36,014 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-02 20:41:36,015 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:41:34" (3/4) ... [2022-11-02 20:41:36,018 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-02 20:41:36,024 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2022-11-02 20:41:36,029 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2022-11-02 20:41:36,029 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-02 20:41:36,029 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-02 20:41:36,063 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53fd4512-6f39-4920-a362-1a87ceb0f17e/bin/uautomizer-Dbtcem3rbc/witness.graphml [2022-11-02 20:41:36,063 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-02 20:41:36,064 INFO L158 Benchmark]: Toolchain (without parser) took 3014.85ms. Allocated memory was 92.3MB in the beginning and 119.5MB in the end (delta: 27.3MB). Free memory was 55.2MB in the beginning and 38.3MB in the end (delta: 16.9MB). Peak memory consumption was 43.2MB. Max. memory is 16.1GB. [2022-11-02 20:41:36,064 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 92.3MB. Free memory was 62.1MB in the beginning and 62.0MB in the end (delta: 28.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:41:36,065 INFO L158 Benchmark]: CACSL2BoogieTranslator took 730.84ms. Allocated memory is still 92.3MB. Free memory was 55.0MB in the beginning and 51.3MB in the end (delta: 3.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-02 20:41:36,065 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.07ms. Allocated memory is still 92.3MB. Free memory was 51.3MB in the beginning and 49.1MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:41:36,066 INFO L158 Benchmark]: Boogie Preprocessor took 63.23ms. Allocated memory is still 92.3MB. Free memory was 49.1MB in the beginning and 47.8MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:41:36,066 INFO L158 Benchmark]: RCFGBuilder took 469.14ms. Allocated memory was 92.3MB in the beginning and 119.5MB in the end (delta: 27.3MB). Free memory was 47.8MB in the beginning and 92.7MB in the end (delta: -44.9MB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. [2022-11-02 20:41:36,067 INFO L158 Benchmark]: TraceAbstraction took 1619.95ms. Allocated memory is still 119.5MB. Free memory was 91.9MB in the beginning and 41.4MB in the end (delta: 50.5MB). Peak memory consumption was 51.2MB. Max. memory is 16.1GB. [2022-11-02 20:41:36,067 INFO L158 Benchmark]: Witness Printer took 49.35ms. Allocated memory is still 119.5MB. Free memory was 41.4MB in the beginning and 38.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:41:36,069 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 92.3MB. Free memory was 62.1MB in the beginning and 62.0MB in the end (delta: 28.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 730.84ms. Allocated memory is still 92.3MB. Free memory was 55.0MB in the beginning and 51.3MB in the end (delta: 3.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.07ms. Allocated memory is still 92.3MB. Free memory was 51.3MB in the beginning and 49.1MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.23ms. Allocated memory is still 92.3MB. Free memory was 49.1MB in the beginning and 47.8MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 469.14ms. Allocated memory was 92.3MB in the beginning and 119.5MB in the end (delta: 27.3MB). Free memory was 47.8MB in the beginning and 92.7MB in the end (delta: -44.9MB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. * TraceAbstraction took 1619.95ms. Allocated memory is still 119.5MB. Free memory was 91.9MB in the beginning and 41.4MB in the end (delta: 50.5MB). Peak memory consumption was 51.2MB. Max. memory is 16.1GB. * Witness Printer took 49.35ms. Allocated memory is still 119.5MB. Free memory was 41.4MB in the beginning and 38.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 929]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 930]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 930]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 932]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 932]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 923]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 923]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 99 locations, 10 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 1.4s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6 mSDsluCounter, 51 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 62 IncrementalHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 51 mSDtfsCounter, 62 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=164occurred in iteration=1, InterpolantAutomatonStates: 18, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 254 NumberOfCodeBlocks, 254 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 248 ConstructedInterpolants, 0 QuantifiedInterpolants, 260 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 7 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-02 20:41:36,114 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53fd4512-6f39-4920-a362-1a87ceb0f17e/bin/uautomizer-Dbtcem3rbc/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: TRUE