./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/04-mutex_27-base_rc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2167546c-d3c8-4219-a97c-e5b136f24318/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2167546c-d3c8-4219-a97c-e5b136f24318/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2167546c-d3c8-4219-a97c-e5b136f24318/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2167546c-d3c8-4219-a97c-e5b136f24318/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/04-mutex_27-base_rc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2167546c-d3c8-4219-a97c-e5b136f24318/bin/uautomizer-DrprNOufMa/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2167546c-d3c8-4219-a97c-e5b136f24318/bin/uautomizer-DrprNOufMa --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 422f1da6dfd893adc51c26673030b1629855d79d0a8262719af25760298c9d39 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 23:35:23,676 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 23:35:23,678 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 23:35:23,708 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 23:35:23,708 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 23:35:23,709 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 23:35:23,711 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 23:35:23,713 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 23:35:23,715 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 23:35:23,716 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 23:35:23,717 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 23:35:23,718 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 23:35:23,719 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 23:35:23,720 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 23:35:23,721 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 23:35:23,722 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 23:35:23,723 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 23:35:23,723 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 23:35:23,725 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 23:35:23,727 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 23:35:23,728 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 23:35:23,729 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 23:35:23,730 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 23:35:23,731 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 23:35:23,734 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 23:35:23,734 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 23:35:23,734 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 23:35:23,735 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 23:35:23,735 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 23:35:23,736 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 23:35:23,736 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 23:35:23,737 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 23:35:23,737 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 23:35:23,738 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 23:35:23,739 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 23:35:23,739 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 23:35:23,739 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 23:35:23,739 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 23:35:23,740 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 23:35:23,740 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 23:35:23,741 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 23:35:23,741 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2167546c-d3c8-4219-a97c-e5b136f24318/bin/uautomizer-DrprNOufMa/config/svcomp-DataRace-32bit-Automizer_Default.epf [2021-12-06 23:35:23,758 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 23:35:23,759 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 23:35:23,759 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 23:35:23,759 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 23:35:23,759 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 23:35:23,760 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 23:35:23,760 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 23:35:23,760 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 23:35:23,760 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 23:35:23,760 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 23:35:23,761 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-06 23:35:23,761 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-06 23:35:23,761 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 23:35:23,761 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-06 23:35:23,761 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 23:35:23,761 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 23:35:23,761 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 23:35:23,761 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 23:35:23,761 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2021-12-06 23:35:23,761 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-06 23:35:23,762 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 23:35:23,762 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 23:35:23,762 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 23:35:23,762 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 23:35:23,762 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 23:35:23,762 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 23:35:23,762 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 23:35:23,762 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 23:35:23,763 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 23:35:23,763 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 23:35:23,763 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 23:35:23,763 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-06 23:35:23,763 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 23:35:23,763 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 23:35:23,763 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 23:35:23,763 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 23:35:23,763 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_2167546c-d3c8-4219-a97c-e5b136f24318/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2167546c-d3c8-4219-a97c-e5b136f24318/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 422f1da6dfd893adc51c26673030b1629855d79d0a8262719af25760298c9d39 [2021-12-06 23:35:23,945 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 23:35:23,964 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 23:35:23,966 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 23:35:23,967 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 23:35:23,967 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 23:35:23,968 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2167546c-d3c8-4219-a97c-e5b136f24318/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/goblint-regression/04-mutex_27-base_rc.i [2021-12-06 23:35:24,012 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2167546c-d3c8-4219-a97c-e5b136f24318/bin/uautomizer-DrprNOufMa/data/4d1b58a08/6153abc557b147d9928047f62abf70e6/FLAG802dfaee2 [2021-12-06 23:35:24,446 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 23:35:24,447 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2167546c-d3c8-4219-a97c-e5b136f24318/sv-benchmarks/c/goblint-regression/04-mutex_27-base_rc.i [2021-12-06 23:35:24,461 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2167546c-d3c8-4219-a97c-e5b136f24318/bin/uautomizer-DrprNOufMa/data/4d1b58a08/6153abc557b147d9928047f62abf70e6/FLAG802dfaee2 [2021-12-06 23:35:24,473 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2167546c-d3c8-4219-a97c-e5b136f24318/bin/uautomizer-DrprNOufMa/data/4d1b58a08/6153abc557b147d9928047f62abf70e6 [2021-12-06 23:35:24,474 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 23:35:24,476 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 23:35:24,477 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 23:35:24,477 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 23:35:24,480 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 23:35:24,480 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 11:35:24" (1/1) ... [2021-12-06 23:35:24,481 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@244cacdc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:35:24, skipping insertion in model container [2021-12-06 23:35:24,481 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 11:35:24" (1/1) ... [2021-12-06 23:35:24,486 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 23:35:24,514 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 23:35:24,805 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 23:35:24,822 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 23:35:24,864 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 23:35:24,916 INFO L208 MainTranslator]: Completed translation [2021-12-06 23:35:24,917 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:35:24 WrapperNode [2021-12-06 23:35:24,917 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 23:35:24,918 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 23:35:24,918 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 23:35:24,918 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 23:35:24,925 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:35:24" (1/1) ... [2021-12-06 23:35:24,941 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:35:24" (1/1) ... [2021-12-06 23:35:24,965 INFO L137 Inliner]: procedures = 265, calls = 27, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 85 [2021-12-06 23:35:24,965 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 23:35:24,966 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 23:35:24,966 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 23:35:24,966 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 23:35:24,972 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:35:24" (1/1) ... [2021-12-06 23:35:24,972 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:35:24" (1/1) ... [2021-12-06 23:35:24,975 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:35:24" (1/1) ... [2021-12-06 23:35:24,975 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:35:24" (1/1) ... [2021-12-06 23:35:24,980 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:35:24" (1/1) ... [2021-12-06 23:35:24,982 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:35:24" (1/1) ... [2021-12-06 23:35:24,984 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:35:24" (1/1) ... [2021-12-06 23:35:24,986 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 23:35:24,987 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 23:35:24,987 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 23:35:24,987 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 23:35:24,988 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:35:24" (1/1) ... [2021-12-06 23:35:24,994 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 23:35:25,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2167546c-d3c8-4219-a97c-e5b136f24318/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:35:25,013 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2167546c-d3c8-4219-a97c-e5b136f24318/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 23:35:25,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2167546c-d3c8-4219-a97c-e5b136f24318/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 23:35:25,045 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-06 23:35:25,045 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-06 23:35:25,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-06 23:35:25,045 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-12-06 23:35:25,045 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 23:35:25,045 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-12-06 23:35:25,045 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-12-06 23:35:25,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-06 23:35:25,045 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 23:35:25,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 23:35:25,047 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-12-06 23:35:25,127 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 23:35:25,129 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 23:35:25,263 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 23:35:25,269 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 23:35:25,269 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-06 23:35:25,271 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 11:35:25 BoogieIcfgContainer [2021-12-06 23:35:25,271 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 23:35:25,272 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 23:35:25,272 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 23:35:25,275 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 23:35:25,275 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 11:35:24" (1/3) ... [2021-12-06 23:35:25,276 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28a129e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 11:35:25, skipping insertion in model container [2021-12-06 23:35:25,276 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:35:24" (2/3) ... [2021-12-06 23:35:25,276 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28a129e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 11:35:25, skipping insertion in model container [2021-12-06 23:35:25,276 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 11:35:25" (3/3) ... [2021-12-06 23:35:25,277 INFO L111 eAbstractionObserver]: Analyzing ICFG 04-mutex_27-base_rc.i [2021-12-06 23:35:25,281 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-12-06 23:35:25,281 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 23:35:25,281 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 7 error locations. [2021-12-06 23:35:25,281 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-12-06 23:35:25,304 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:35:25,304 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:35:25,305 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:35:25,305 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:35:25,305 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:35:25,305 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:35:25,305 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:35:25,306 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:35:25,306 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~g~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:35:25,306 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~g~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:35:25,306 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~g~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:35:25,306 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~g~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:35:25,306 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:35:25,307 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:35:25,307 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:35:25,307 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:35:25,307 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~g~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:35:25,307 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~g~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:35:25,308 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~g~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:35:25,308 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~g~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:35:25,308 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~g~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:35:25,308 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~g~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:35:25,308 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:35:25,308 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:35:25,309 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~g~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:35:25,309 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~g~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:35:25,309 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:35:25,309 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:35:25,310 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:35:25,310 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:35:25,310 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:35:25,310 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:35:25,311 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:35:25,311 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:35:25,311 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:35:25,311 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:35:25,312 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~post30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:35:25,312 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:35:25,312 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~post30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:35:25,312 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:35:25,312 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:35:25,312 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:35:25,312 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:35:25,313 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:35:25,313 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:35:25,313 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:35:25,313 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:35:25,313 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:35:25,314 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:35:25,314 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:35:25,314 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~post30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:35:25,314 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~post30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:35:25,314 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~post30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:35:25,315 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~post30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:35:25,315 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:35:25,315 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:35:25,315 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:35:25,315 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:35:25,316 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:35:25,316 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:35:25,316 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:35:25,316 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:35:25,316 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:35:25,317 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:35:25,317 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:35:25,317 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:35:25,317 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:35:25,317 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:35:25,317 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~post30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:35:25,318 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~post30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:35:25,318 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:35:25,318 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:35:25,318 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:35:25,319 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:35:25,319 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:35:25,319 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:35:25,319 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:35:25,319 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:35:25,319 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:35:25,320 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:35:25,320 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:35:25,320 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:35:25,320 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:35:25,320 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:35:25,321 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:35:25,321 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:35:25,324 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:35:25,324 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:35:25,325 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:35:25,325 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:35:25,325 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~g~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:35:25,325 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:35:25,325 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:35:25,326 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:35:25,326 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~post30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:35:25,326 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_bad_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:35:25,326 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:35:25,326 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:35:25,326 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:35:25,327 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~g~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:35:25,329 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-12-06 23:35:25,369 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 23:35:25,376 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=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, mLoopAccelerationTechnique=FAST_UPR [2021-12-06 23:35:25,376 INFO L340 AbstractCegarLoop]: Starting to check reachability of 13 error locations. [2021-12-06 23:35:25,389 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 105 places, 102 transitions, 209 flow [2021-12-06 23:35:25,431 INFO L129 PetriNetUnfolder]: 1/101 cut-off events. [2021-12-06 23:35:25,431 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-12-06 23:35:25,434 INFO L84 FinitePrefix]: Finished finitePrefix Result has 105 conditions, 101 events. 1/101 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 131 event pairs, 0 based on Foata normal form. 0/93 useless extension candidates. Maximal degree in co-relation 71. Up to 2 conditions per place. [2021-12-06 23:35:25,434 INFO L82 GeneralOperation]: Start removeDead. Operand has 105 places, 102 transitions, 209 flow [2021-12-06 23:35:25,438 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 104 places, 101 transitions, 205 flow [2021-12-06 23:35:25,452 INFO L129 PetriNetUnfolder]: 0/42 cut-off events. [2021-12-06 23:35:25,452 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-12-06 23:35:25,453 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 23:35:25,453 INFO L254 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] [2021-12-06 23:35:25,453 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 10 more)] === [2021-12-06 23:35:25,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:35:25,457 INFO L85 PathProgramCache]: Analyzing trace with hash 1096485787, now seen corresponding path program 1 times [2021-12-06 23:35:25,466 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:35:25,466 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378663871] [2021-12-06 23:35:25,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:35:25,467 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:35:25,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:35:25,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:35:25,665 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:35:25,665 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [378663871] [2021-12-06 23:35:25,666 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [378663871] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:35:25,666 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:35:25,666 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 23:35:25,667 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101793121] [2021-12-06 23:35:25,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:35:25,674 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 23:35:25,674 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:35:25,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:35:25,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:35:25,700 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 95 out of 102 [2021-12-06 23:35:25,704 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 104 places, 101 transitions, 205 flow. Second operand has 3 states, 3 states have (on average 96.0) internal successors, (288), 3 states have internal predecessors, (288), 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) [2021-12-06 23:35:25,705 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 23:35:25,705 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 95 of 102 [2021-12-06 23:35:25,706 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 23:35:25,779 INFO L129 PetriNetUnfolder]: 13/274 cut-off events. [2021-12-06 23:35:25,779 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-12-06 23:35:25,780 INFO L84 FinitePrefix]: Finished finitePrefix Result has 309 conditions, 274 events. 13/274 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1264 event pairs, 2 based on Foata normal form. 0/242 useless extension candidates. Maximal degree in co-relation 273. Up to 16 conditions per place. [2021-12-06 23:35:25,783 INFO L132 encePairwiseOnDemand]: 98/102 looper letters, 8 selfloop transitions, 3 changer transitions 0/105 dead transitions. [2021-12-06 23:35:25,783 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 106 places, 105 transitions, 235 flow [2021-12-06 23:35:25,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:35:25,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-06 23:35:25,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 297 transitions. [2021-12-06 23:35:25,793 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9705882352941176 [2021-12-06 23:35:25,794 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 297 transitions. [2021-12-06 23:35:25,794 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 297 transitions. [2021-12-06 23:35:25,795 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 23:35:25,797 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 297 transitions. [2021-12-06 23:35:25,799 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 99.0) internal successors, (297), 3 states have internal predecessors, (297), 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) [2021-12-06 23:35:25,803 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 102.0) internal successors, (408), 4 states have internal predecessors, (408), 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) [2021-12-06 23:35:25,804 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 102.0) internal successors, (408), 4 states have internal predecessors, (408), 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) [2021-12-06 23:35:25,805 INFO L186 Difference]: Start difference. First operand has 104 places, 101 transitions, 205 flow. Second operand 3 states and 297 transitions. [2021-12-06 23:35:25,806 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 106 places, 105 transitions, 235 flow [2021-12-06 23:35:25,808 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 105 places, 105 transitions, 234 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-12-06 23:35:25,812 INFO L242 Difference]: Finished difference. Result has 107 places, 103 transitions, 226 flow [2021-12-06 23:35:25,813 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=102, PETRI_DIFFERENCE_MINUEND_FLOW=204, PETRI_DIFFERENCE_MINUEND_PLACES=103, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=101, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=98, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=226, PETRI_PLACES=107, PETRI_TRANSITIONS=103} [2021-12-06 23:35:25,816 INFO L334 CegarLoopForPetriNet]: 104 programPoint places, 3 predicate places. [2021-12-06 23:35:25,816 INFO L470 AbstractCegarLoop]: Abstraction has has 107 places, 103 transitions, 226 flow [2021-12-06 23:35:25,817 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 96.0) internal successors, (288), 3 states have internal predecessors, (288), 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) [2021-12-06 23:35:25,817 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 23:35:25,817 INFO L254 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] [2021-12-06 23:35:25,817 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-06 23:35:25,817 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 10 more)] === [2021-12-06 23:35:25,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:35:25,818 INFO L85 PathProgramCache]: Analyzing trace with hash 1567713335, now seen corresponding path program 1 times [2021-12-06 23:35:25,818 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:35:25,818 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391368706] [2021-12-06 23:35:25,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:35:25,818 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:35:25,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:35:25,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:35:25,861 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:35:25,862 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1391368706] [2021-12-06 23:35:25,862 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1391368706] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:35:25,862 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:35:25,862 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 23:35:25,862 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1719422349] [2021-12-06 23:35:25,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:35:25,863 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 23:35:25,863 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:35:25,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:35:25,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:35:25,865 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 92 out of 102 [2021-12-06 23:35:25,865 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 107 places, 103 transitions, 226 flow. Second operand has 3 states, 3 states have (on average 93.66666666666667) internal successors, (281), 3 states have internal predecessors, (281), 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) [2021-12-06 23:35:25,866 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 23:35:25,866 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 92 of 102 [2021-12-06 23:35:25,866 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 23:35:25,933 INFO L129 PetriNetUnfolder]: 20/416 cut-off events. [2021-12-06 23:35:25,933 INFO L130 PetriNetUnfolder]: For 24/24 co-relation queries the response was YES. [2021-12-06 23:35:25,935 INFO L84 FinitePrefix]: Finished finitePrefix Result has 496 conditions, 416 events. 20/416 cut-off events. For 24/24 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 2505 event pairs, 5 based on Foata normal form. 0/375 useless extension candidates. Maximal degree in co-relation 458. Up to 29 conditions per place. [2021-12-06 23:35:25,938 INFO L132 encePairwiseOnDemand]: 97/102 looper letters, 13 selfloop transitions, 5 changer transitions 0/109 dead transitions. [2021-12-06 23:35:25,938 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 109 places, 109 transitions, 286 flow [2021-12-06 23:35:25,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:35:25,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-06 23:35:25,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 292 transitions. [2021-12-06 23:35:25,941 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.954248366013072 [2021-12-06 23:35:25,942 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 292 transitions. [2021-12-06 23:35:25,942 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 292 transitions. [2021-12-06 23:35:25,942 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 23:35:25,943 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 292 transitions. [2021-12-06 23:35:25,944 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 97.33333333333333) internal successors, (292), 3 states have internal predecessors, (292), 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) [2021-12-06 23:35:25,947 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 102.0) internal successors, (408), 4 states have internal predecessors, (408), 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) [2021-12-06 23:35:25,947 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 102.0) internal successors, (408), 4 states have internal predecessors, (408), 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) [2021-12-06 23:35:25,947 INFO L186 Difference]: Start difference. First operand has 107 places, 103 transitions, 226 flow. Second operand 3 states and 292 transitions. [2021-12-06 23:35:25,947 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 109 places, 109 transitions, 286 flow [2021-12-06 23:35:25,950 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 107 places, 109 transitions, 276 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-12-06 23:35:25,953 INFO L242 Difference]: Finished difference. Result has 109 places, 106 transitions, 256 flow [2021-12-06 23:35:25,953 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=102, PETRI_DIFFERENCE_MINUEND_FLOW=220, PETRI_DIFFERENCE_MINUEND_PLACES=105, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=103, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=98, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=256, PETRI_PLACES=109, PETRI_TRANSITIONS=106} [2021-12-06 23:35:25,954 INFO L334 CegarLoopForPetriNet]: 104 programPoint places, 5 predicate places. [2021-12-06 23:35:25,954 INFO L470 AbstractCegarLoop]: Abstraction has has 109 places, 106 transitions, 256 flow [2021-12-06 23:35:25,954 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 93.66666666666667) internal successors, (281), 3 states have internal predecessors, (281), 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) [2021-12-06 23:35:25,955 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 23:35:25,955 INFO L254 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] [2021-12-06 23:35:25,955 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-06 23:35:25,955 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 10 more)] === [2021-12-06 23:35:25,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:35:25,955 INFO L85 PathProgramCache]: Analyzing trace with hash 1892559131, now seen corresponding path program 1 times [2021-12-06 23:35:25,956 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:35:25,956 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011773924] [2021-12-06 23:35:25,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:35:25,956 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:35:25,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:35:26,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:35:26,006 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:35:26,006 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1011773924] [2021-12-06 23:35:26,006 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1011773924] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:35:26,006 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:35:26,006 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 23:35:26,006 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882538975] [2021-12-06 23:35:26,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:35:26,007 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 23:35:26,007 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:35:26,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:35:26,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:35:26,008 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 87 out of 102 [2021-12-06 23:35:26,009 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 109 places, 106 transitions, 256 flow. Second operand has 3 states, 3 states have (on average 90.0) internal successors, (270), 3 states have internal predecessors, (270), 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) [2021-12-06 23:35:26,009 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 23:35:26,009 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 87 of 102 [2021-12-06 23:35:26,009 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 23:35:26,074 INFO L129 PetriNetUnfolder]: 18/283 cut-off events. [2021-12-06 23:35:26,074 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2021-12-06 23:35:26,075 INFO L84 FinitePrefix]: Finished finitePrefix Result has 383 conditions, 283 events. 18/283 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 1245 event pairs, 12 based on Foata normal form. 2/264 useless extension candidates. Maximal degree in co-relation 339. Up to 48 conditions per place. [2021-12-06 23:35:26,077 INFO L132 encePairwiseOnDemand]: 96/102 looper letters, 15 selfloop transitions, 6 changer transitions 0/106 dead transitions. [2021-12-06 23:35:26,077 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 109 places, 106 transitions, 280 flow [2021-12-06 23:35:26,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:35:26,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-06 23:35:26,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 284 transitions. [2021-12-06 23:35:26,079 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9281045751633987 [2021-12-06 23:35:26,080 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 284 transitions. [2021-12-06 23:35:26,080 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 284 transitions. [2021-12-06 23:35:26,080 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 23:35:26,080 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 284 transitions. [2021-12-06 23:35:26,081 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 94.66666666666667) internal successors, (284), 3 states have internal predecessors, (284), 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) [2021-12-06 23:35:26,083 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 102.0) internal successors, (408), 4 states have internal predecessors, (408), 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) [2021-12-06 23:35:26,084 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 102.0) internal successors, (408), 4 states have internal predecessors, (408), 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) [2021-12-06 23:35:26,084 INFO L186 Difference]: Start difference. First operand has 109 places, 106 transitions, 256 flow. Second operand 3 states and 284 transitions. [2021-12-06 23:35:26,084 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 109 places, 106 transitions, 280 flow [2021-12-06 23:35:26,086 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 105 places, 106 transitions, 262 flow, removed 3 selfloop flow, removed 4 redundant places. [2021-12-06 23:35:26,089 INFO L242 Difference]: Finished difference. Result has 106 places, 104 transitions, 242 flow [2021-12-06 23:35:26,089 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=102, PETRI_DIFFERENCE_MINUEND_FLOW=208, PETRI_DIFFERENCE_MINUEND_PLACES=103, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=100, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=94, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=242, PETRI_PLACES=106, PETRI_TRANSITIONS=104} [2021-12-06 23:35:26,090 INFO L334 CegarLoopForPetriNet]: 104 programPoint places, 2 predicate places. [2021-12-06 23:35:26,090 INFO L470 AbstractCegarLoop]: Abstraction has has 106 places, 104 transitions, 242 flow [2021-12-06 23:35:26,090 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 90.0) internal successors, (270), 3 states have internal predecessors, (270), 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) [2021-12-06 23:35:26,090 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 23:35:26,091 INFO L254 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] [2021-12-06 23:35:26,091 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-06 23:35:26,091 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 10 more)] === [2021-12-06 23:35:26,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:35:26,092 INFO L85 PathProgramCache]: Analyzing trace with hash 978898871, now seen corresponding path program 1 times [2021-12-06 23:35:26,092 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:35:26,092 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066490514] [2021-12-06 23:35:26,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:35:26,092 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:35:26,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:35:26,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:35:26,130 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:35:26,130 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2066490514] [2021-12-06 23:35:26,130 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2066490514] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:35:26,130 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:35:26,130 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 23:35:26,130 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1775040523] [2021-12-06 23:35:26,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:35:26,131 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 23:35:26,131 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:35:26,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:35:26,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:35:26,132 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 86 out of 102 [2021-12-06 23:35:26,132 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 106 places, 104 transitions, 242 flow. Second operand has 3 states, 3 states have (on average 87.0) internal successors, (261), 3 states have internal predecessors, (261), 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) [2021-12-06 23:35:26,132 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 23:35:26,132 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 86 of 102 [2021-12-06 23:35:26,133 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 23:35:26,199 INFO L129 PetriNetUnfolder]: 69/530 cut-off events. [2021-12-06 23:35:26,199 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-12-06 23:35:26,200 INFO L84 FinitePrefix]: Finished finitePrefix Result has 764 conditions, 530 events. 69/530 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 3252 event pairs, 24 based on Foata normal form. 0/478 useless extension candidates. Maximal degree in co-relation 726. Up to 102 conditions per place. [2021-12-06 23:35:26,202 INFO L132 encePairwiseOnDemand]: 93/102 looper letters, 14 selfloop transitions, 6 changer transitions 4/110 dead transitions. [2021-12-06 23:35:26,202 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 106 places, 110 transitions, 298 flow [2021-12-06 23:35:26,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:35:26,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-06 23:35:26,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 283 transitions. [2021-12-06 23:35:26,203 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9248366013071896 [2021-12-06 23:35:26,203 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 283 transitions. [2021-12-06 23:35:26,203 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 283 transitions. [2021-12-06 23:35:26,204 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 23:35:26,204 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 283 transitions. [2021-12-06 23:35:26,204 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 94.33333333333333) internal successors, (283), 3 states have internal predecessors, (283), 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) [2021-12-06 23:35:26,205 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 102.0) internal successors, (408), 4 states have internal predecessors, (408), 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) [2021-12-06 23:35:26,206 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 102.0) internal successors, (408), 4 states have internal predecessors, (408), 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) [2021-12-06 23:35:26,206 INFO L186 Difference]: Start difference. First operand has 106 places, 104 transitions, 242 flow. Second operand 3 states and 283 transitions. [2021-12-06 23:35:26,206 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 106 places, 110 transitions, 298 flow [2021-12-06 23:35:26,207 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 105 places, 110 transitions, 292 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-12-06 23:35:26,209 INFO L242 Difference]: Finished difference. Result has 107 places, 104 transitions, 266 flow [2021-12-06 23:35:26,209 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=102, PETRI_DIFFERENCE_MINUEND_FLOW=232, PETRI_DIFFERENCE_MINUEND_PLACES=103, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=102, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=96, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=266, PETRI_PLACES=107, PETRI_TRANSITIONS=104} [2021-12-06 23:35:26,210 INFO L334 CegarLoopForPetriNet]: 104 programPoint places, 3 predicate places. [2021-12-06 23:35:26,210 INFO L470 AbstractCegarLoop]: Abstraction has has 107 places, 104 transitions, 266 flow [2021-12-06 23:35:26,210 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 87.0) internal successors, (261), 3 states have internal predecessors, (261), 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) [2021-12-06 23:35:26,210 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 23:35:26,211 INFO L254 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] [2021-12-06 23:35:26,211 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-06 23:35:26,211 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 10 more)] === [2021-12-06 23:35:26,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:35:26,211 INFO L85 PathProgramCache]: Analyzing trace with hash -112844375, now seen corresponding path program 1 times [2021-12-06 23:35:26,211 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:35:26,212 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [167813666] [2021-12-06 23:35:26,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:35:26,212 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:35:26,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:35:26,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:35:26,244 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:35:26,244 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [167813666] [2021-12-06 23:35:26,244 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [167813666] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:35:26,244 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:35:26,244 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 23:35:26,245 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042765782] [2021-12-06 23:35:26,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:35:26,245 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 23:35:26,245 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:35:26,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:35:26,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:35:26,246 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 83 out of 102 [2021-12-06 23:35:26,247 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 107 places, 104 transitions, 266 flow. Second operand has 3 states, 3 states have (on average 85.33333333333333) internal successors, (256), 3 states have internal predecessors, (256), 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) [2021-12-06 23:35:26,247 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 23:35:26,247 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 83 of 102 [2021-12-06 23:35:26,247 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 23:35:26,341 INFO L129 PetriNetUnfolder]: 82/582 cut-off events. [2021-12-06 23:35:26,342 INFO L130 PetriNetUnfolder]: For 136/173 co-relation queries the response was YES. [2021-12-06 23:35:26,343 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1005 conditions, 582 events. 82/582 cut-off events. For 136/173 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 3737 event pairs, 42 based on Foata normal form. 1/550 useless extension candidates. Maximal degree in co-relation 966. Up to 170 conditions per place. [2021-12-06 23:35:26,345 INFO L132 encePairwiseOnDemand]: 97/102 looper letters, 20 selfloop transitions, 3 changer transitions 4/110 dead transitions. [2021-12-06 23:35:26,346 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 109 places, 110 transitions, 344 flow [2021-12-06 23:35:26,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:35:26,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-06 23:35:26,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 272 transitions. [2021-12-06 23:35:26,348 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8888888888888888 [2021-12-06 23:35:26,348 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 272 transitions. [2021-12-06 23:35:26,348 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 272 transitions. [2021-12-06 23:35:26,348 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 23:35:26,348 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 272 transitions. [2021-12-06 23:35:26,349 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 90.66666666666667) internal successors, (272), 3 states have internal predecessors, (272), 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) [2021-12-06 23:35:26,351 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 102.0) internal successors, (408), 4 states have internal predecessors, (408), 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) [2021-12-06 23:35:26,351 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 102.0) internal successors, (408), 4 states have internal predecessors, (408), 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) [2021-12-06 23:35:26,351 INFO L186 Difference]: Start difference. First operand has 107 places, 104 transitions, 266 flow. Second operand 3 states and 272 transitions. [2021-12-06 23:35:26,351 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 109 places, 110 transitions, 344 flow [2021-12-06 23:35:26,354 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 107 places, 110 transitions, 328 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-12-06 23:35:26,356 INFO L242 Difference]: Finished difference. Result has 109 places, 105 transitions, 276 flow [2021-12-06 23:35:26,357 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=102, PETRI_DIFFERENCE_MINUEND_FLOW=254, PETRI_DIFFERENCE_MINUEND_PLACES=105, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=104, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=101, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=276, PETRI_PLACES=109, PETRI_TRANSITIONS=105} [2021-12-06 23:35:26,358 INFO L334 CegarLoopForPetriNet]: 104 programPoint places, 5 predicate places. [2021-12-06 23:35:26,358 INFO L470 AbstractCegarLoop]: Abstraction has has 109 places, 105 transitions, 276 flow [2021-12-06 23:35:26,358 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 85.33333333333333) internal successors, (256), 3 states have internal predecessors, (256), 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) [2021-12-06 23:35:26,358 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 23:35:26,358 INFO L254 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] [2021-12-06 23:35:26,359 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-06 23:35:26,359 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 10 more)] === [2021-12-06 23:35:26,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:35:26,360 INFO L85 PathProgramCache]: Analyzing trace with hash -2052563157, now seen corresponding path program 1 times [2021-12-06 23:35:26,360 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:35:26,360 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214371085] [2021-12-06 23:35:26,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:35:26,360 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:35:26,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:35:26,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:35:26,403 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:35:26,403 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [214371085] [2021-12-06 23:35:26,404 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [214371085] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:35:26,404 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:35:26,404 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 23:35:26,404 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116117980] [2021-12-06 23:35:26,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:35:26,405 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 23:35:26,405 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:35:26,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:35:26,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:35:26,406 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 83 out of 102 [2021-12-06 23:35:26,407 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 109 places, 105 transitions, 276 flow. Second operand has 3 states, 3 states have (on average 85.33333333333333) internal successors, (256), 3 states have internal predecessors, (256), 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) [2021-12-06 23:35:26,407 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 23:35:26,407 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 83 of 102 [2021-12-06 23:35:26,407 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 23:35:26,480 INFO L129 PetriNetUnfolder]: 69/605 cut-off events. [2021-12-06 23:35:26,480 INFO L130 PetriNetUnfolder]: For 147/193 co-relation queries the response was YES. [2021-12-06 23:35:26,482 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1037 conditions, 605 events. 69/605 cut-off events. For 147/193 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 4114 event pairs, 35 based on Foata normal form. 0/575 useless extension candidates. Maximal degree in co-relation 997. Up to 157 conditions per place. [2021-12-06 23:35:26,483 INFO L132 encePairwiseOnDemand]: 97/102 looper letters, 21 selfloop transitions, 3 changer transitions 6/111 dead transitions. [2021-12-06 23:35:26,483 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 111 places, 111 transitions, 354 flow [2021-12-06 23:35:26,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:35:26,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-06 23:35:26,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 272 transitions. [2021-12-06 23:35:26,484 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8888888888888888 [2021-12-06 23:35:26,484 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 272 transitions. [2021-12-06 23:35:26,484 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 272 transitions. [2021-12-06 23:35:26,484 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 23:35:26,484 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 272 transitions. [2021-12-06 23:35:26,485 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 90.66666666666667) internal successors, (272), 3 states have internal predecessors, (272), 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) [2021-12-06 23:35:26,486 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 102.0) internal successors, (408), 4 states have internal predecessors, (408), 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) [2021-12-06 23:35:26,486 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 102.0) internal successors, (408), 4 states have internal predecessors, (408), 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) [2021-12-06 23:35:26,487 INFO L186 Difference]: Start difference. First operand has 109 places, 105 transitions, 276 flow. Second operand 3 states and 272 transitions. [2021-12-06 23:35:26,487 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 111 places, 111 transitions, 354 flow [2021-12-06 23:35:26,489 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 109 places, 111 transitions, 348 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-12-06 23:35:26,490 INFO L242 Difference]: Finished difference. Result has 111 places, 104 transitions, 286 flow [2021-12-06 23:35:26,491 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=102, PETRI_DIFFERENCE_MINUEND_FLOW=270, PETRI_DIFFERENCE_MINUEND_PLACES=107, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=105, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=102, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=286, PETRI_PLACES=111, PETRI_TRANSITIONS=104} [2021-12-06 23:35:26,492 INFO L334 CegarLoopForPetriNet]: 104 programPoint places, 7 predicate places. [2021-12-06 23:35:26,492 INFO L470 AbstractCegarLoop]: Abstraction has has 111 places, 104 transitions, 286 flow [2021-12-06 23:35:26,492 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 85.33333333333333) internal successors, (256), 3 states have internal predecessors, (256), 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) [2021-12-06 23:35:26,492 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 23:35:26,492 INFO L254 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:35:26,493 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-06 23:35:26,493 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 10 more)] === [2021-12-06 23:35:26,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:35:26,493 INFO L85 PathProgramCache]: Analyzing trace with hash 1369140382, now seen corresponding path program 1 times [2021-12-06 23:35:26,493 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:35:26,494 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766613914] [2021-12-06 23:35:26,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:35:26,494 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:35:26,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:35:26,527 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 23:35:26,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:35:26,571 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 23:35:26,571 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-06 23:35:26,572 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (12 of 13 remaining) [2021-12-06 23:35:26,573 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (11 of 13 remaining) [2021-12-06 23:35:26,574 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (10 of 13 remaining) [2021-12-06 23:35:26,574 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (9 of 13 remaining) [2021-12-06 23:35:26,574 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (8 of 13 remaining) [2021-12-06 23:35:26,574 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONDATA_RACE (7 of 13 remaining) [2021-12-06 23:35:26,575 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONDATA_RACE (6 of 13 remaining) [2021-12-06 23:35:26,575 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr4ASSERT_VIOLATIONDATA_RACE (5 of 13 remaining) [2021-12-06 23:35:26,575 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (4 of 13 remaining) [2021-12-06 23:35:26,575 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (3 of 13 remaining) [2021-12-06 23:35:26,575 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONDATA_RACE (2 of 13 remaining) [2021-12-06 23:35:26,576 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONDATA_RACE (1 of 13 remaining) [2021-12-06 23:35:26,576 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr4ASSERT_VIOLATIONDATA_RACE (0 of 13 remaining) [2021-12-06 23:35:26,576 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-06 23:35:26,579 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:35:26,584 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-12-06 23:35:26,584 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-06 23:35:26,630 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 11:35:26 BasicIcfg [2021-12-06 23:35:26,630 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-06 23:35:26,631 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-06 23:35:26,631 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-06 23:35:26,631 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-06 23:35:26,631 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 11:35:25" (3/4) ... [2021-12-06 23:35:26,634 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-06 23:35:26,634 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-06 23:35:26,635 INFO L158 Benchmark]: Toolchain (without parser) took 2158.73ms. Allocated memory was 121.6MB in the beginning and 146.8MB in the end (delta: 25.2MB). Free memory was 81.6MB in the beginning and 62.5MB in the end (delta: 19.1MB). Peak memory consumption was 44.2MB. Max. memory is 16.1GB. [2021-12-06 23:35:26,635 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 121.6MB. Free memory is still 99.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 23:35:26,636 INFO L158 Benchmark]: CACSL2BoogieTranslator took 440.08ms. Allocated memory is still 121.6MB. Free memory was 81.4MB in the beginning and 79.5MB in the end (delta: 1.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-06 23:35:26,636 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.42ms. Allocated memory is still 121.6MB. Free memory was 79.5MB in the beginning and 77.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-06 23:35:26,636 INFO L158 Benchmark]: Boogie Preprocessor took 20.43ms. Allocated memory is still 121.6MB. Free memory was 77.5MB in the beginning and 75.9MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 23:35:26,637 INFO L158 Benchmark]: RCFGBuilder took 284.18ms. Allocated memory is still 121.6MB. Free memory was 75.9MB in the beginning and 62.8MB in the end (delta: 13.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-12-06 23:35:26,638 INFO L158 Benchmark]: TraceAbstraction took 1357.95ms. Allocated memory was 121.6MB in the beginning and 146.8MB in the end (delta: 25.2MB). Free memory was 62.2MB in the beginning and 62.5MB in the end (delta: -208.1kB). Peak memory consumption was 27.1MB. Max. memory is 16.1GB. [2021-12-06 23:35:26,638 INFO L158 Benchmark]: Witness Printer took 3.18ms. Allocated memory is still 146.8MB. Free memory is still 62.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 23:35:26,640 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 121.6MB. Free memory is still 99.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 440.08ms. Allocated memory is still 121.6MB. Free memory was 81.4MB in the beginning and 79.5MB in the end (delta: 1.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.42ms. Allocated memory is still 121.6MB. Free memory was 79.5MB in the beginning and 77.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.43ms. Allocated memory is still 121.6MB. Free memory was 77.5MB in the beginning and 75.9MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 284.18ms. Allocated memory is still 121.6MB. Free memory was 75.9MB in the beginning and 62.8MB in the end (delta: 13.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1357.95ms. Allocated memory was 121.6MB in the beginning and 146.8MB in the end (delta: 25.2MB). Free memory was 62.2MB in the beginning and 62.5MB in the end (delta: -208.1kB). Peak memory consumption was 27.1MB. Max. memory is 16.1GB. * Witness Printer took 3.18ms. Allocated memory is still 146.8MB. Free memory is still 62.5MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - 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 - DataRaceFoundResult [Line: 944]: Data race detected Data race detected The following path leads to a data race: [L917] 0 int global; VAL [global=0] [L918] 0 pthread_mutex_t gm = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [global=0, gm={2:0}] [L927] 0 void (*f)() = good; VAL [={-1:0}, global=0, gm={2:0}] [L928] 0 pthread_mutex_t fm = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [={-1:0}, fm={3:0}, global=0, gm={2:0}] [L938] 0 pthread_t id; VAL [={-1:0}, fm={3:0}, global=0, gm={2:0}, id={5:0}] [L939] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [={-1:0}, fm={3:0}, global=0, gm={2:0}, id={5:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L941] 0 f = bad VAL [={-1:2}, fm={3:0}, global=0, gm={2:0}, id={5:0}] [L930] 1 void (*g)(); VAL [={-1:2}, arg={0:0}, arg={0:0}, fm={3:0}, global=0, gm={2:0}] [L932] 1 g = f VAL [={-1:2}, ={-1:2}, arg={0:0}, arg={0:0}, fm={3:0}, global=0, gm={2:0}] [L934] CALL 1 g() [L920] 1 global++ VAL [={-1:2}, fm={3:0}, global=1, global++=25, global++=0, gm={2:0}] [L944] 0 printf("global: %d\n", global) VAL [={-1:2}, fm={3:0}, global=1, gm={2:0}, id={5:0}] Now there is a data race on ~global~0 between C: global++ [920] and C: printf("global: %d\n", global) [944] - UnprovableResult [Line: 941]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 939]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 932]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 920]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 924]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 920]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 924]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 150 locations, 13 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: 1.2s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 19 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 19 mSDsluCounter, 69 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 100 IncrementalHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 69 mSDtfsCounter, 100 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=286occurred in iteration=6, 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, 0.2s InterpolantComputationTime, 328 NumberOfCodeBlocks, 328 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 258 ConstructedInterpolants, 0 QuantifiedInterpolants, 304 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-12-06 23:35:26,711 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2167546c-d3c8-4219-a97c-e5b136f24318/bin/uautomizer-DrprNOufMa/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE