./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/weaver/popl20-more-min-array.wvr.c --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations AFTER --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version b8dbc81d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/weaver/popl20-more-min-array.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 9abac63211b9980a3b9079d9eb140a85fbc6c5adec6517ed998cc9e140b19342 --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations AFTER --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-29 03:43:30,989 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 03:43:30,990 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 03:43:31,018 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 03:43:31,020 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 03:43:31,023 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 03:43:31,024 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 03:43:31,027 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 03:43:31,029 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 03:43:31,033 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 03:43:31,034 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 03:43:31,037 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 03:43:31,037 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 03:43:31,039 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 03:43:31,041 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 03:43:31,046 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 03:43:31,047 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 03:43:31,049 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 03:43:31,050 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 03:43:31,071 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 03:43:31,075 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 03:43:31,076 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 03:43:31,077 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 03:43:31,078 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 03:43:31,082 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 03:43:31,086 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 03:43:31,086 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 03:43:31,087 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 03:43:31,088 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 03:43:31,089 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 03:43:31,090 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 03:43:31,092 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 03:43:31,093 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 03:43:31,094 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 03:43:31,095 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 03:43:31,096 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 03:43:31,096 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 03:43:31,096 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 03:43:31,097 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 03:43:31,097 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 03:43:31,098 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 03:43:31,099 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-29 03:43:31,126 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 03:43:31,126 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 03:43:31,127 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 03:43:31,127 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 03:43:31,128 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 03:43:31,128 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 03:43:31,129 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 03:43:31,129 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 03:43:31,129 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 03:43:31,129 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 03:43:31,130 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 03:43:31,130 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 03:43:31,130 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-29 03:43:31,130 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 03:43:31,131 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 03:43:31,131 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 03:43:31,131 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 03:43:31,131 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 03:43:31,131 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 03:43:31,131 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 03:43:31,131 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 03:43:31,132 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 03:43:31,132 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 03:43:31,132 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 03:43:31,132 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 03:43:31,132 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 03:43:31,132 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 03:43:31,133 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 03:43:31,133 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 03:43:31,133 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 03:43:31,133 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-29 03:43:31,133 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-29 03:43:31,134 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 03:43:31,134 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 03:43:31,134 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 03:43:31,134 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 03:43:31,134 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 03:43:31,134 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9abac63211b9980a3b9079d9eb140a85fbc6c5adec6517ed998cc9e140b19342 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> AFTER [2023-08-29 03:43:31,360 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 03:43:31,383 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 03:43:31,385 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 03:43:31,385 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 03:43:31,386 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 03:43:31,386 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-more-min-array.wvr.c [2023-08-29 03:43:32,327 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 03:43:32,519 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 03:43:32,519 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-min-array.wvr.c [2023-08-29 03:43:32,525 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec25c667a/a6bb58328fb444c6bbca8dca0bdd43a7/FLAGb86e058dc [2023-08-29 03:43:32,541 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec25c667a/a6bb58328fb444c6bbca8dca0bdd43a7 [2023-08-29 03:43:32,543 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 03:43:32,544 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 03:43:32,546 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 03:43:32,546 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 03:43:32,549 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 03:43:32,550 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 03:43:32" (1/1) ... [2023-08-29 03:43:32,553 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d3667ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:43:32, skipping insertion in model container [2023-08-29 03:43:32,553 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 03:43:32" (1/1) ... [2023-08-29 03:43:32,558 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 03:43:32,576 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 03:43:32,747 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-min-array.wvr.c[2553,2566] [2023-08-29 03:43:32,753 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 03:43:32,759 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 03:43:32,797 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-min-array.wvr.c[2553,2566] [2023-08-29 03:43:32,802 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 03:43:32,808 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 03:43:32,809 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 03:43:32,813 INFO L208 MainTranslator]: Completed translation [2023-08-29 03:43:32,814 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:43:32 WrapperNode [2023-08-29 03:43:32,814 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 03:43:32,815 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 03:43:32,815 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 03:43:32,815 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 03:43:32,820 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:43:32" (1/1) ... [2023-08-29 03:43:32,839 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:43:32" (1/1) ... [2023-08-29 03:43:32,878 INFO L138 Inliner]: procedures = 24, calls = 43, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 154 [2023-08-29 03:43:32,879 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 03:43:32,881 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 03:43:32,881 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 03:43:32,881 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 03:43:32,893 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:43:32" (1/1) ... [2023-08-29 03:43:32,894 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:43:32" (1/1) ... [2023-08-29 03:43:32,908 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:43:32" (1/1) ... [2023-08-29 03:43:32,917 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:43:32" (1/1) ... [2023-08-29 03:43:32,925 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:43:32" (1/1) ... [2023-08-29 03:43:32,941 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:43:32" (1/1) ... [2023-08-29 03:43:32,943 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:43:32" (1/1) ... [2023-08-29 03:43:32,958 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:43:32" (1/1) ... [2023-08-29 03:43:32,961 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 03:43:32,964 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 03:43:32,965 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 03:43:32,965 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 03:43:32,966 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:43:32" (1/1) ... [2023-08-29 03:43:32,971 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 03:43:32,983 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 03:43:32,996 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-08-29 03:43:33,000 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-29 03:43:33,026 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 03:43:33,027 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-29 03:43:33,027 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-29 03:43:33,027 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-29 03:43:33,027 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-29 03:43:33,027 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-08-29 03:43:33,027 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-08-29 03:43:33,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-29 03:43:33,028 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 03:43:33,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-29 03:43:33,028 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-29 03:43:33,028 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-29 03:43:33,028 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-29 03:43:33,028 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 03:43:33,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 03:43:33,029 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-29 03:43:33,029 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 03:43:33,030 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-29 03:43:33,136 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 03:43:33,138 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 03:43:33,569 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 03:43:33,732 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 03:43:33,732 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-08-29 03:43:33,734 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 03:43:33 BoogieIcfgContainer [2023-08-29 03:43:33,734 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 03:43:33,735 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 03:43:33,736 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 03:43:33,738 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 03:43:33,738 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 03:43:32" (1/3) ... [2023-08-29 03:43:33,739 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6173182e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 03:43:33, skipping insertion in model container [2023-08-29 03:43:33,739 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:43:32" (2/3) ... [2023-08-29 03:43:33,739 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6173182e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 03:43:33, skipping insertion in model container [2023-08-29 03:43:33,739 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 03:43:33" (3/3) ... [2023-08-29 03:43:33,740 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-min-array.wvr.c [2023-08-29 03:43:33,746 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 03:43:33,753 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 03:43:33,753 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 35 error locations. [2023-08-29 03:43:33,753 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 03:43:33,833 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-08-29 03:43:33,868 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 233 places, 236 transitions, 496 flow [2023-08-29 03:43:33,951 INFO L130 PetriNetUnfolder]: 13/233 cut-off events. [2023-08-29 03:43:33,951 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2023-08-29 03:43:33,956 INFO L83 FinitePrefix]: Finished finitePrefix Result has 246 conditions, 233 events. 13/233 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 277 event pairs, 0 based on Foata normal form. 0/185 useless extension candidates. Maximal degree in co-relation 163. Up to 2 conditions per place. [2023-08-29 03:43:33,956 INFO L82 GeneralOperation]: Start removeDead. Operand has 233 places, 236 transitions, 496 flow [2023-08-29 03:43:33,964 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 214 places, 216 transitions, 450 flow [2023-08-29 03:43:33,967 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-29 03:43:33,977 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 214 places, 216 transitions, 450 flow [2023-08-29 03:43:33,980 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 214 places, 216 transitions, 450 flow [2023-08-29 03:43:33,981 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 214 places, 216 transitions, 450 flow [2023-08-29 03:43:34,047 INFO L130 PetriNetUnfolder]: 12/216 cut-off events. [2023-08-29 03:43:34,048 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2023-08-29 03:43:34,051 INFO L83 FinitePrefix]: Finished finitePrefix Result has 229 conditions, 216 events. 12/216 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 275 event pairs, 0 based on Foata normal form. 0/170 useless extension candidates. Maximal degree in co-relation 163. Up to 2 conditions per place. [2023-08-29 03:43:34,053 INFO L119 LiptonReduction]: Number of co-enabled transitions 5292 [2023-08-29 03:43:42,322 INFO L134 LiptonReduction]: Checked pairs total: 36262 [2023-08-29 03:43:42,322 INFO L136 LiptonReduction]: Total number of compositions: 201 [2023-08-29 03:43:42,332 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-29 03:43:42,337 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@54465850, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-29 03:43:42,337 INFO L358 AbstractCegarLoop]: Starting to check reachability of 60 error locations. [2023-08-29 03:43:42,339 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2023-08-29 03:43:42,339 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 03:43:42,339 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:43:42,339 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-29 03:43:42,340 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-08-29 03:43:42,343 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:43:42,343 INFO L85 PathProgramCache]: Analyzing trace with hash 1034, now seen corresponding path program 1 times [2023-08-29 03:43:42,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:43:42,350 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390441301] [2023-08-29 03:43:42,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:43:42,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:43:42,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:43:42,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 03:43:42,426 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:43:42,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1390441301] [2023-08-29 03:43:42,427 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1390441301] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:43:42,427 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:43:42,427 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-29 03:43:42,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [741763461] [2023-08-29 03:43:42,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:43:42,434 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-29 03:43:42,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:43:42,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-29 03:43:42,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-29 03:43:42,452 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 200 out of 437 [2023-08-29 03:43:42,453 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 80 transitions, 178 flow. Second operand has 2 states, 2 states have (on average 200.5) internal successors, (401), 2 states have internal predecessors, (401), 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) [2023-08-29 03:43:42,453 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:43:42,453 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 200 of 437 [2023-08-29 03:43:42,454 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:43:42,596 INFO L130 PetriNetUnfolder]: 338/789 cut-off events. [2023-08-29 03:43:42,597 INFO L131 PetriNetUnfolder]: For 55/55 co-relation queries the response was YES. [2023-08-29 03:43:42,601 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1302 conditions, 789 events. 338/789 cut-off events. For 55/55 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 4626 event pairs, 177 based on Foata normal form. 160/824 useless extension candidates. Maximal degree in co-relation 996. Up to 466 conditions per place. [2023-08-29 03:43:42,619 INFO L137 encePairwiseOnDemand]: 406/437 looper letters, 21 selfloop transitions, 0 changer transitions 1/49 dead transitions. [2023-08-29 03:43:42,620 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 49 transitions, 160 flow [2023-08-29 03:43:42,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-29 03:43:42,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-29 03:43:42,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 453 transitions. [2023-08-29 03:43:42,635 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5183066361556065 [2023-08-29 03:43:42,636 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 453 transitions. [2023-08-29 03:43:42,636 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 453 transitions. [2023-08-29 03:43:42,638 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:43:42,639 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 453 transitions. [2023-08-29 03:43:42,644 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 226.5) internal successors, (453), 2 states have internal predecessors, (453), 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) [2023-08-29 03:43:42,647 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 437.0) internal successors, (1311), 3 states have internal predecessors, (1311), 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) [2023-08-29 03:43:42,647 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 437.0) internal successors, (1311), 3 states have internal predecessors, (1311), 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) [2023-08-29 03:43:42,648 INFO L175 Difference]: Start difference. First operand has 83 places, 80 transitions, 178 flow. Second operand 2 states and 453 transitions. [2023-08-29 03:43:42,649 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 49 transitions, 160 flow [2023-08-29 03:43:42,652 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 49 transitions, 148 flow, removed 0 selfloop flow, removed 6 redundant places. [2023-08-29 03:43:42,654 INFO L231 Difference]: Finished difference. Result has 50 places, 48 transitions, 101 flow [2023-08-29 03:43:42,657 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=437, PETRI_DIFFERENCE_MINUEND_FLOW=104, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=49, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=101, PETRI_PLACES=50, PETRI_TRANSITIONS=48} [2023-08-29 03:43:42,661 INFO L281 CegarLoopForPetriNet]: 83 programPoint places, -33 predicate places. [2023-08-29 03:43:42,663 INFO L495 AbstractCegarLoop]: Abstraction has has 50 places, 48 transitions, 101 flow [2023-08-29 03:43:42,664 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 200.5) internal successors, (401), 2 states have internal predecessors, (401), 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) [2023-08-29 03:43:42,664 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:43:42,664 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-08-29 03:43:42,665 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-29 03:43:42,665 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-08-29 03:43:42,672 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:43:42,672 INFO L85 PathProgramCache]: Analyzing trace with hash 605081344, now seen corresponding path program 1 times [2023-08-29 03:43:42,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:43:42,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979199587] [2023-08-29 03:43:42,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:43:42,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:43:42,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:43:42,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 03:43:42,821 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:43:42,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1979199587] [2023-08-29 03:43:42,821 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1979199587] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:43:42,822 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:43:42,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 03:43:42,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258966932] [2023-08-29 03:43:42,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:43:42,823 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 03:43:42,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:43:42,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 03:43:42,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 03:43:42,843 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 187 out of 437 [2023-08-29 03:43:42,843 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 48 transitions, 101 flow. Second operand has 3 states, 3 states have (on average 188.66666666666666) internal successors, (566), 3 states have internal predecessors, (566), 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) [2023-08-29 03:43:42,844 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:43:42,844 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 187 of 437 [2023-08-29 03:43:42,844 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:43:42,985 INFO L130 PetriNetUnfolder]: 579/1103 cut-off events. [2023-08-29 03:43:42,985 INFO L131 PetriNetUnfolder]: For 20/20 co-relation queries the response was YES. [2023-08-29 03:43:42,987 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1935 conditions, 1103 events. 579/1103 cut-off events. For 20/20 co-relation queries the response was YES. Maximal size of possible extension queue 94. Compared 5985 event pairs, 364 based on Foata normal form. 0/923 useless extension candidates. Maximal degree in co-relation 1932. Up to 808 conditions per place. [2023-08-29 03:43:42,992 INFO L137 encePairwiseOnDemand]: 434/437 looper letters, 23 selfloop transitions, 1 changer transitions 0/46 dead transitions. [2023-08-29 03:43:42,992 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 46 transitions, 145 flow [2023-08-29 03:43:42,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 03:43:42,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 03:43:42,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 587 transitions. [2023-08-29 03:43:42,995 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4477498093058734 [2023-08-29 03:43:42,995 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 587 transitions. [2023-08-29 03:43:42,995 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 587 transitions. [2023-08-29 03:43:42,995 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:43:42,996 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 587 transitions. [2023-08-29 03:43:42,998 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 195.66666666666666) internal successors, (587), 3 states have internal predecessors, (587), 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) [2023-08-29 03:43:43,002 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 437.0) internal successors, (1748), 4 states have internal predecessors, (1748), 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) [2023-08-29 03:43:43,003 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 437.0) internal successors, (1748), 4 states have internal predecessors, (1748), 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) [2023-08-29 03:43:43,003 INFO L175 Difference]: Start difference. First operand has 50 places, 48 transitions, 101 flow. Second operand 3 states and 587 transitions. [2023-08-29 03:43:43,003 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 46 transitions, 145 flow [2023-08-29 03:43:43,004 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 46 transitions, 145 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 03:43:43,005 INFO L231 Difference]: Finished difference. Result has 49 places, 46 transitions, 99 flow [2023-08-29 03:43:43,005 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=437, PETRI_DIFFERENCE_MINUEND_FLOW=97, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=45, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=99, PETRI_PLACES=49, PETRI_TRANSITIONS=46} [2023-08-29 03:43:43,006 INFO L281 CegarLoopForPetriNet]: 83 programPoint places, -34 predicate places. [2023-08-29 03:43:43,006 INFO L495 AbstractCegarLoop]: Abstraction has has 49 places, 46 transitions, 99 flow [2023-08-29 03:43:43,007 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 188.66666666666666) internal successors, (566), 3 states have internal predecessors, (566), 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) [2023-08-29 03:43:43,007 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:43:43,007 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:43:43,007 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-29 03:43:43,008 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-08-29 03:43:43,011 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:43:43,011 INFO L85 PathProgramCache]: Analyzing trace with hash 1862940013, now seen corresponding path program 1 times [2023-08-29 03:43:43,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:43:43,012 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511237266] [2023-08-29 03:43:43,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:43:43,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:43:43,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:43:43,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 03:43:43,108 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:43:43,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511237266] [2023-08-29 03:43:43,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1511237266] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:43:43,110 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:43:43,110 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 03:43:43,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053468757] [2023-08-29 03:43:43,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:43:43,112 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 03:43:43,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:43:43,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 03:43:43,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 03:43:43,131 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 187 out of 437 [2023-08-29 03:43:43,132 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 46 transitions, 99 flow. Second operand has 3 states, 3 states have (on average 189.33333333333334) internal successors, (568), 3 states have internal predecessors, (568), 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) [2023-08-29 03:43:43,133 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:43:43,133 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 187 of 437 [2023-08-29 03:43:43,133 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:43:43,276 INFO L130 PetriNetUnfolder]: 606/1103 cut-off events. [2023-08-29 03:43:43,277 INFO L131 PetriNetUnfolder]: For 30/30 co-relation queries the response was YES. [2023-08-29 03:43:43,278 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1977 conditions, 1103 events. 606/1103 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 5662 event pairs, 396 based on Foata normal form. 0/945 useless extension candidates. Maximal degree in co-relation 1973. Up to 848 conditions per place. [2023-08-29 03:43:43,283 INFO L137 encePairwiseOnDemand]: 434/437 looper letters, 23 selfloop transitions, 1 changer transitions 0/44 dead transitions. [2023-08-29 03:43:43,283 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 44 transitions, 143 flow [2023-08-29 03:43:43,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 03:43:43,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 03:43:43,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 587 transitions. [2023-08-29 03:43:43,285 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4477498093058734 [2023-08-29 03:43:43,286 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 587 transitions. [2023-08-29 03:43:43,286 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 587 transitions. [2023-08-29 03:43:43,286 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:43:43,286 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 587 transitions. [2023-08-29 03:43:43,288 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 195.66666666666666) internal successors, (587), 3 states have internal predecessors, (587), 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) [2023-08-29 03:43:43,291 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 437.0) internal successors, (1748), 4 states have internal predecessors, (1748), 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) [2023-08-29 03:43:43,292 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 437.0) internal successors, (1748), 4 states have internal predecessors, (1748), 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) [2023-08-29 03:43:43,292 INFO L175 Difference]: Start difference. First operand has 49 places, 46 transitions, 99 flow. Second operand 3 states and 587 transitions. [2023-08-29 03:43:43,292 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 44 transitions, 143 flow [2023-08-29 03:43:43,293 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 44 transitions, 142 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 03:43:43,293 INFO L231 Difference]: Finished difference. Result has 48 places, 44 transitions, 96 flow [2023-08-29 03:43:43,294 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=437, PETRI_DIFFERENCE_MINUEND_FLOW=94, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=96, PETRI_PLACES=48, PETRI_TRANSITIONS=44} [2023-08-29 03:43:43,294 INFO L281 CegarLoopForPetriNet]: 83 programPoint places, -35 predicate places. [2023-08-29 03:43:43,295 INFO L495 AbstractCegarLoop]: Abstraction has has 48 places, 44 transitions, 96 flow [2023-08-29 03:43:43,295 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 189.33333333333334) internal successors, (568), 3 states have internal predecessors, (568), 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) [2023-08-29 03:43:43,295 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:43:43,296 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:43:43,296 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-29 03:43:43,296 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-08-29 03:43:43,297 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:43:43,297 INFO L85 PathProgramCache]: Analyzing trace with hash -2109698761, now seen corresponding path program 1 times [2023-08-29 03:43:43,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:43:43,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [302415045] [2023-08-29 03:43:43,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:43:43,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:43:43,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:43:43,405 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 03:43:43,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:43:43,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [302415045] [2023-08-29 03:43:43,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [302415045] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:43:43,406 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:43:43,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 03:43:43,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239747418] [2023-08-29 03:43:43,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:43:43,407 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 03:43:43,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:43:43,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 03:43:43,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 03:43:43,442 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 195 out of 437 [2023-08-29 03:43:43,443 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 44 transitions, 96 flow. Second operand has 3 states, 3 states have (on average 197.66666666666666) internal successors, (593), 3 states have internal predecessors, (593), 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) [2023-08-29 03:43:43,443 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:43:43,444 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 195 of 437 [2023-08-29 03:43:43,444 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:43:43,552 INFO L130 PetriNetUnfolder]: 338/763 cut-off events. [2023-08-29 03:43:43,553 INFO L131 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2023-08-29 03:43:43,555 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1247 conditions, 763 events. 338/763 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 4315 event pairs, 177 based on Foata normal form. 1/648 useless extension candidates. Maximal degree in co-relation 1243. Up to 465 conditions per place. [2023-08-29 03:43:43,558 INFO L137 encePairwiseOnDemand]: 434/437 looper letters, 20 selfloop transitions, 2 changer transitions 0/45 dead transitions. [2023-08-29 03:43:43,558 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 45 transitions, 142 flow [2023-08-29 03:43:43,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 03:43:43,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 03:43:43,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 608 transitions. [2023-08-29 03:43:43,560 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.463768115942029 [2023-08-29 03:43:43,560 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 608 transitions. [2023-08-29 03:43:43,560 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 608 transitions. [2023-08-29 03:43:43,561 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:43:43,561 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 608 transitions. [2023-08-29 03:43:43,563 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 202.66666666666666) internal successors, (608), 3 states have internal predecessors, (608), 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) [2023-08-29 03:43:43,565 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 437.0) internal successors, (1748), 4 states have internal predecessors, (1748), 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) [2023-08-29 03:43:43,566 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 437.0) internal successors, (1748), 4 states have internal predecessors, (1748), 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) [2023-08-29 03:43:43,566 INFO L175 Difference]: Start difference. First operand has 48 places, 44 transitions, 96 flow. Second operand 3 states and 608 transitions. [2023-08-29 03:43:43,566 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 45 transitions, 142 flow [2023-08-29 03:43:43,567 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 45 transitions, 141 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 03:43:43,568 INFO L231 Difference]: Finished difference. Result has 50 places, 45 transitions, 107 flow [2023-08-29 03:43:43,568 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=437, PETRI_DIFFERENCE_MINUEND_FLOW=95, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=107, PETRI_PLACES=50, PETRI_TRANSITIONS=45} [2023-08-29 03:43:43,568 INFO L281 CegarLoopForPetriNet]: 83 programPoint places, -33 predicate places. [2023-08-29 03:43:43,569 INFO L495 AbstractCegarLoop]: Abstraction has has 50 places, 45 transitions, 107 flow [2023-08-29 03:43:43,569 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 197.66666666666666) internal successors, (593), 3 states have internal predecessors, (593), 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) [2023-08-29 03:43:43,569 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:43:43,569 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:43:43,570 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-29 03:43:43,570 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-08-29 03:43:43,570 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:43:43,570 INFO L85 PathProgramCache]: Analyzing trace with hash 2094531978, now seen corresponding path program 1 times [2023-08-29 03:43:43,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:43:43,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2009552108] [2023-08-29 03:43:43,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:43:43,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:43:43,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:43:43,964 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-08-29 03:43:43,964 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:43:43,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2009552108] [2023-08-29 03:43:43,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2009552108] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:43:43,965 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:43:43,965 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 03:43:43,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859781560] [2023-08-29 03:43:43,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:43:43,966 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 03:43:43,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:43:43,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 03:43:43,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 03:43:44,102 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 187 out of 437 [2023-08-29 03:43:44,104 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 45 transitions, 107 flow. Second operand has 6 states, 6 states have (on average 189.16666666666666) internal successors, (1135), 6 states have internal predecessors, (1135), 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) [2023-08-29 03:43:44,104 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:43:44,104 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 187 of 437 [2023-08-29 03:43:44,104 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:43:44,462 INFO L130 PetriNetUnfolder]: 866/1264 cut-off events. [2023-08-29 03:43:44,462 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2023-08-29 03:43:44,463 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2426 conditions, 1264 events. 866/1264 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 90. Compared 5616 event pairs, 62 based on Foata normal form. 0/1165 useless extension candidates. Maximal degree in co-relation 2421. Up to 432 conditions per place. [2023-08-29 03:43:44,467 INFO L137 encePairwiseOnDemand]: 432/437 looper letters, 54 selfloop transitions, 4 changer transitions 0/76 dead transitions. [2023-08-29 03:43:44,467 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 76 transitions, 285 flow [2023-08-29 03:43:44,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 03:43:44,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 03:43:44,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1180 transitions. [2023-08-29 03:43:44,469 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4500381388253242 [2023-08-29 03:43:44,470 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1180 transitions. [2023-08-29 03:43:44,470 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1180 transitions. [2023-08-29 03:43:44,470 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:43:44,470 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1180 transitions. [2023-08-29 03:43:44,472 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 196.66666666666666) internal successors, (1180), 6 states have internal predecessors, (1180), 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) [2023-08-29 03:43:44,475 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 437.0) internal successors, (3059), 7 states have internal predecessors, (3059), 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) [2023-08-29 03:43:44,476 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 437.0) internal successors, (3059), 7 states have internal predecessors, (3059), 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) [2023-08-29 03:43:44,476 INFO L175 Difference]: Start difference. First operand has 50 places, 45 transitions, 107 flow. Second operand 6 states and 1180 transitions. [2023-08-29 03:43:44,476 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 76 transitions, 285 flow [2023-08-29 03:43:44,477 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 76 transitions, 281 flow, removed 1 selfloop flow, removed 1 redundant places. [2023-08-29 03:43:44,477 INFO L231 Difference]: Finished difference. Result has 53 places, 44 transitions, 109 flow [2023-08-29 03:43:44,478 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=437, PETRI_DIFFERENCE_MINUEND_FLOW=101, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=109, PETRI_PLACES=53, PETRI_TRANSITIONS=44} [2023-08-29 03:43:44,478 INFO L281 CegarLoopForPetriNet]: 83 programPoint places, -30 predicate places. [2023-08-29 03:43:44,478 INFO L495 AbstractCegarLoop]: Abstraction has has 53 places, 44 transitions, 109 flow [2023-08-29 03:43:44,479 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 189.16666666666666) internal successors, (1135), 6 states have internal predecessors, (1135), 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) [2023-08-29 03:43:44,479 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:43:44,479 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:43:44,479 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-29 03:43:44,479 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-08-29 03:43:44,480 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:43:44,480 INFO L85 PathProgramCache]: Analyzing trace with hash 798818570, now seen corresponding path program 1 times [2023-08-29 03:43:44,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:43:44,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1023204953] [2023-08-29 03:43:44,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:43:44,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:43:44,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:43:44,570 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 03:43:44,570 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:43:44,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1023204953] [2023-08-29 03:43:44,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1023204953] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-29 03:43:44,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [517729414] [2023-08-29 03:43:44,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:43:44,571 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-29 03:43:44,571 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 03:43:44,573 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-08-29 03:43:44,579 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-08-29 03:43:44,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:43:44,677 INFO L263 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 6 conjunts are in the unsatisfiable core [2023-08-29 03:43:44,680 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-08-29 03:43:44,753 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 03:43:44,753 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-08-29 03:43:44,790 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 03:43:44,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [517729414] provided 1 perfect and 1 imperfect interpolant sequences [2023-08-29 03:43:44,791 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-08-29 03:43:44,791 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5, 4] total 9 [2023-08-29 03:43:44,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1119636594] [2023-08-29 03:43:44,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:43:44,791 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-08-29 03:43:44,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:43:44,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-08-29 03:43:44,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2023-08-29 03:43:44,858 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 188 out of 437 [2023-08-29 03:43:44,859 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 44 transitions, 109 flow. Second operand has 5 states, 5 states have (on average 190.6) internal successors, (953), 5 states have internal predecessors, (953), 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) [2023-08-29 03:43:44,860 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:43:44,860 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 188 of 437 [2023-08-29 03:43:44,860 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:43:44,958 INFO L130 PetriNetUnfolder]: 393/792 cut-off events. [2023-08-29 03:43:44,958 INFO L131 PetriNetUnfolder]: For 55/55 co-relation queries the response was YES. [2023-08-29 03:43:44,960 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1492 conditions, 792 events. 393/792 cut-off events. For 55/55 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 3970 event pairs, 104 based on Foata normal form. 32/745 useless extension candidates. Maximal degree in co-relation 1487. Up to 437 conditions per place. [2023-08-29 03:43:44,962 INFO L137 encePairwiseOnDemand]: 432/437 looper letters, 31 selfloop transitions, 4 changer transitions 0/56 dead transitions. [2023-08-29 03:43:44,962 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 56 transitions, 207 flow [2023-08-29 03:43:44,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-29 03:43:44,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-29 03:43:44,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 976 transitions. [2023-08-29 03:43:44,964 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.44668192219679637 [2023-08-29 03:43:44,964 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 976 transitions. [2023-08-29 03:43:44,964 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 976 transitions. [2023-08-29 03:43:44,965 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:43:44,965 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 976 transitions. [2023-08-29 03:43:44,966 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 195.2) internal successors, (976), 5 states have internal predecessors, (976), 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) [2023-08-29 03:43:44,983 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 437.0) internal successors, (2622), 6 states have internal predecessors, (2622), 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) [2023-08-29 03:43:44,984 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 437.0) internal successors, (2622), 6 states have internal predecessors, (2622), 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) [2023-08-29 03:43:44,984 INFO L175 Difference]: Start difference. First operand has 53 places, 44 transitions, 109 flow. Second operand 5 states and 976 transitions. [2023-08-29 03:43:44,984 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 56 transitions, 207 flow [2023-08-29 03:43:44,985 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 56 transitions, 198 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-29 03:43:44,986 INFO L231 Difference]: Finished difference. Result has 54 places, 45 transitions, 118 flow [2023-08-29 03:43:44,986 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=437, PETRI_DIFFERENCE_MINUEND_FLOW=102, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=118, PETRI_PLACES=54, PETRI_TRANSITIONS=45} [2023-08-29 03:43:44,987 INFO L281 CegarLoopForPetriNet]: 83 programPoint places, -29 predicate places. [2023-08-29 03:43:44,987 INFO L495 AbstractCegarLoop]: Abstraction has has 54 places, 45 transitions, 118 flow [2023-08-29 03:43:44,987 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 190.6) internal successors, (953), 5 states have internal predecessors, (953), 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) [2023-08-29 03:43:44,987 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:43:44,988 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:43:45,005 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-08-29 03:43:45,193 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-08-29 03:43:45,193 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-08-29 03:43:45,196 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:43:45,196 INFO L85 PathProgramCache]: Analyzing trace with hash 765124958, now seen corresponding path program 1 times [2023-08-29 03:43:45,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:43:45,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587785506] [2023-08-29 03:43:45,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:43:45,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:43:45,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:43:45,491 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-08-29 03:43:45,492 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:43:45,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1587785506] [2023-08-29 03:43:45,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1587785506] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:43:45,492 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:43:45,492 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 03:43:45,492 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385606848] [2023-08-29 03:43:45,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:43:45,493 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 03:43:45,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:43:45,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 03:43:45,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 03:43:45,612 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 187 out of 437 [2023-08-29 03:43:45,613 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 45 transitions, 118 flow. Second operand has 6 states, 6 states have (on average 189.83333333333334) internal successors, (1139), 6 states have internal predecessors, (1139), 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) [2023-08-29 03:43:45,613 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:43:45,613 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 187 of 437 [2023-08-29 03:43:45,613 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:43:45,888 INFO L130 PetriNetUnfolder]: 421/799 cut-off events. [2023-08-29 03:43:45,888 INFO L131 PetriNetUnfolder]: For 106/163 co-relation queries the response was YES. [2023-08-29 03:43:45,889 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1583 conditions, 799 events. 421/799 cut-off events. For 106/163 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 4137 event pairs, 155 based on Foata normal form. 57/778 useless extension candidates. Maximal degree in co-relation 1577. Up to 382 conditions per place. [2023-08-29 03:43:45,892 INFO L137 encePairwiseOnDemand]: 432/437 looper letters, 47 selfloop transitions, 4 changer transitions 0/68 dead transitions. [2023-08-29 03:43:45,892 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 68 transitions, 266 flow [2023-08-29 03:43:45,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 03:43:45,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 03:43:45,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1172 transitions. [2023-08-29 03:43:45,896 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4469870327993898 [2023-08-29 03:43:45,896 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1172 transitions. [2023-08-29 03:43:45,896 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1172 transitions. [2023-08-29 03:43:45,897 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:43:45,897 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1172 transitions. [2023-08-29 03:43:45,899 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 195.33333333333334) internal successors, (1172), 6 states have internal predecessors, (1172), 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) [2023-08-29 03:43:45,902 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 437.0) internal successors, (3059), 7 states have internal predecessors, (3059), 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) [2023-08-29 03:43:45,903 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 437.0) internal successors, (3059), 7 states have internal predecessors, (3059), 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) [2023-08-29 03:43:45,903 INFO L175 Difference]: Start difference. First operand has 54 places, 45 transitions, 118 flow. Second operand 6 states and 1172 transitions. [2023-08-29 03:43:45,903 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 68 transitions, 266 flow [2023-08-29 03:43:45,903 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 68 transitions, 260 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-08-29 03:43:45,904 INFO L231 Difference]: Finished difference. Result has 55 places, 44 transitions, 118 flow [2023-08-29 03:43:45,904 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=437, PETRI_DIFFERENCE_MINUEND_FLOW=110, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=118, PETRI_PLACES=55, PETRI_TRANSITIONS=44} [2023-08-29 03:43:45,905 INFO L281 CegarLoopForPetriNet]: 83 programPoint places, -28 predicate places. [2023-08-29 03:43:45,905 INFO L495 AbstractCegarLoop]: Abstraction has has 55 places, 44 transitions, 118 flow [2023-08-29 03:43:45,906 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 189.83333333333334) internal successors, (1139), 6 states have internal predecessors, (1139), 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) [2023-08-29 03:43:45,906 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:43:45,906 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:43:45,906 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-08-29 03:43:45,906 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-08-29 03:43:45,906 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:43:45,907 INFO L85 PathProgramCache]: Analyzing trace with hash -1611554357, now seen corresponding path program 1 times [2023-08-29 03:43:45,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:43:45,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177267324] [2023-08-29 03:43:45,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:43:45,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:43:45,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:43:46,206 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-08-29 03:43:46,207 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:43:46,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177267324] [2023-08-29 03:43:46,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [177267324] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:43:46,207 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:43:46,207 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 03:43:46,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279048392] [2023-08-29 03:43:46,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:43:46,208 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 03:43:46,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:43:46,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 03:43:46,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 03:43:46,323 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 187 out of 437 [2023-08-29 03:43:46,324 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 44 transitions, 118 flow. Second operand has 6 states, 6 states have (on average 190.33333333333334) internal successors, (1142), 6 states have internal predecessors, (1142), 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) [2023-08-29 03:43:46,324 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:43:46,324 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 187 of 437 [2023-08-29 03:43:46,324 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:43:46,505 INFO L130 PetriNetUnfolder]: 325/699 cut-off events. [2023-08-29 03:43:46,505 INFO L131 PetriNetUnfolder]: For 109/166 co-relation queries the response was YES. [2023-08-29 03:43:46,507 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1370 conditions, 699 events. 325/699 cut-off events. For 109/166 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 3727 event pairs, 175 based on Foata normal form. 57/690 useless extension candidates. Maximal degree in co-relation 1364. Up to 430 conditions per place. [2023-08-29 03:43:46,508 INFO L137 encePairwiseOnDemand]: 432/437 looper letters, 0 selfloop transitions, 0 changer transitions 59/59 dead transitions. [2023-08-29 03:43:46,508 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 59 transitions, 234 flow [2023-08-29 03:43:46,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 03:43:46,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 03:43:46,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1164 transitions. [2023-08-29 03:43:46,511 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4439359267734554 [2023-08-29 03:43:46,511 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1164 transitions. [2023-08-29 03:43:46,511 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1164 transitions. [2023-08-29 03:43:46,511 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:43:46,512 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1164 transitions. [2023-08-29 03:43:46,513 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 194.0) internal successors, (1164), 6 states have internal predecessors, (1164), 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) [2023-08-29 03:43:46,516 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 437.0) internal successors, (3059), 7 states have internal predecessors, (3059), 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) [2023-08-29 03:43:46,517 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 437.0) internal successors, (3059), 7 states have internal predecessors, (3059), 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) [2023-08-29 03:43:46,517 INFO L175 Difference]: Start difference. First operand has 55 places, 44 transitions, 118 flow. Second operand 6 states and 1164 transitions. [2023-08-29 03:43:46,517 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 59 transitions, 234 flow [2023-08-29 03:43:46,518 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 59 transitions, 227 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-29 03:43:46,519 INFO L231 Difference]: Finished difference. Result has 55 places, 0 transitions, 0 flow [2023-08-29 03:43:46,519 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=437, PETRI_DIFFERENCE_MINUEND_FLOW=109, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=55, PETRI_TRANSITIONS=0} [2023-08-29 03:43:46,519 INFO L281 CegarLoopForPetriNet]: 83 programPoint places, -28 predicate places. [2023-08-29 03:43:46,520 INFO L495 AbstractCegarLoop]: Abstraction has has 55 places, 0 transitions, 0 flow [2023-08-29 03:43:46,520 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 190.33333333333334) internal successors, (1142), 6 states have internal predecessors, (1142), 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) [2023-08-29 03:43:46,522 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (59 of 60 remaining) [2023-08-29 03:43:46,523 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (58 of 60 remaining) [2023-08-29 03:43:46,523 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (57 of 60 remaining) [2023-08-29 03:43:46,523 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (56 of 60 remaining) [2023-08-29 03:43:46,523 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (55 of 60 remaining) [2023-08-29 03:43:46,523 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (54 of 60 remaining) [2023-08-29 03:43:46,523 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (53 of 60 remaining) [2023-08-29 03:43:46,523 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (52 of 60 remaining) [2023-08-29 03:43:46,524 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (51 of 60 remaining) [2023-08-29 03:43:46,524 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (50 of 60 remaining) [2023-08-29 03:43:46,524 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (49 of 60 remaining) [2023-08-29 03:43:46,524 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (48 of 60 remaining) [2023-08-29 03:43:46,524 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (47 of 60 remaining) [2023-08-29 03:43:46,524 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (46 of 60 remaining) [2023-08-29 03:43:46,525 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (45 of 60 remaining) [2023-08-29 03:43:46,525 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (44 of 60 remaining) [2023-08-29 03:43:46,525 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (43 of 60 remaining) [2023-08-29 03:43:46,525 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (42 of 60 remaining) [2023-08-29 03:43:46,525 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (41 of 60 remaining) [2023-08-29 03:43:46,525 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (40 of 60 remaining) [2023-08-29 03:43:46,525 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (39 of 60 remaining) [2023-08-29 03:43:46,526 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (38 of 60 remaining) [2023-08-29 03:43:46,526 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (37 of 60 remaining) [2023-08-29 03:43:46,526 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (36 of 60 remaining) [2023-08-29 03:43:46,526 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (35 of 60 remaining) [2023-08-29 03:43:46,526 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (34 of 60 remaining) [2023-08-29 03:43:46,526 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (33 of 60 remaining) [2023-08-29 03:43:46,526 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (32 of 60 remaining) [2023-08-29 03:43:46,527 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (31 of 60 remaining) [2023-08-29 03:43:46,527 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (30 of 60 remaining) [2023-08-29 03:43:46,527 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (29 of 60 remaining) [2023-08-29 03:43:46,527 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (28 of 60 remaining) [2023-08-29 03:43:46,527 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (27 of 60 remaining) [2023-08-29 03:43:46,527 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (26 of 60 remaining) [2023-08-29 03:43:46,527 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (25 of 60 remaining) [2023-08-29 03:43:46,528 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (24 of 60 remaining) [2023-08-29 03:43:46,528 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (23 of 60 remaining) [2023-08-29 03:43:46,528 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (22 of 60 remaining) [2023-08-29 03:43:46,528 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (21 of 60 remaining) [2023-08-29 03:43:46,528 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (20 of 60 remaining) [2023-08-29 03:43:46,528 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (19 of 60 remaining) [2023-08-29 03:43:46,528 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (18 of 60 remaining) [2023-08-29 03:43:46,529 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (17 of 60 remaining) [2023-08-29 03:43:46,529 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (16 of 60 remaining) [2023-08-29 03:43:46,529 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (15 of 60 remaining) [2023-08-29 03:43:46,529 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (14 of 60 remaining) [2023-08-29 03:43:46,529 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (13 of 60 remaining) [2023-08-29 03:43:46,529 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (12 of 60 remaining) [2023-08-29 03:43:46,529 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (11 of 60 remaining) [2023-08-29 03:43:46,530 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (10 of 60 remaining) [2023-08-29 03:43:46,530 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (9 of 60 remaining) [2023-08-29 03:43:46,530 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (8 of 60 remaining) [2023-08-29 03:43:46,530 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (7 of 60 remaining) [2023-08-29 03:43:46,530 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (6 of 60 remaining) [2023-08-29 03:43:46,530 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (5 of 60 remaining) [2023-08-29 03:43:46,530 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (4 of 60 remaining) [2023-08-29 03:43:46,531 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (3 of 60 remaining) [2023-08-29 03:43:46,531 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (2 of 60 remaining) [2023-08-29 03:43:46,531 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (1 of 60 remaining) [2023-08-29 03:43:46,531 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (0 of 60 remaining) [2023-08-29 03:43:46,531 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-08-29 03:43:46,531 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:43:46,536 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-29 03:43:46,536 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-29 03:43:46,538 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 03:43:46 BasicIcfg [2023-08-29 03:43:46,539 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-29 03:43:46,539 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-29 03:43:46,539 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-29 03:43:46,539 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-29 03:43:46,540 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 03:43:33" (3/4) ... [2023-08-29 03:43:46,542 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-29 03:43:46,545 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-08-29 03:43:46,545 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-08-29 03:43:46,546 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2023-08-29 03:43:46,550 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2023-08-29 03:43:46,550 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-08-29 03:43:46,550 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-08-29 03:43:46,550 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-08-29 03:43:46,587 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-29 03:43:46,587 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-29 03:43:46,587 INFO L158 Benchmark]: Toolchain (without parser) took 14043.24ms. Allocated memory was 67.1MB in the beginning and 207.6MB in the end (delta: 140.5MB). Free memory was 45.3MB in the beginning and 130.0MB in the end (delta: -84.7MB). Peak memory consumption was 57.7MB. Max. memory is 16.1GB. [2023-08-29 03:43:46,588 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 54.5MB. Free memory was 32.5MB in the beginning and 32.5MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 03:43:46,588 INFO L158 Benchmark]: CACSL2BoogieTranslator took 268.00ms. Allocated memory is still 67.1MB. Free memory was 45.1MB in the beginning and 32.7MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-08-29 03:43:46,588 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.73ms. Allocated memory is still 67.1MB. Free memory was 32.5MB in the beginning and 30.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 03:43:46,588 INFO L158 Benchmark]: Boogie Preprocessor took 82.97ms. Allocated memory is still 67.1MB. Free memory was 30.4MB in the beginning and 45.7MB in the end (delta: -15.3MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. [2023-08-29 03:43:46,588 INFO L158 Benchmark]: RCFGBuilder took 769.76ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 45.7MB in the beginning and 42.6MB in the end (delta: 3.1MB). Peak memory consumption was 21.8MB. Max. memory is 16.1GB. [2023-08-29 03:43:46,589 INFO L158 Benchmark]: TraceAbstraction took 12803.24ms. Allocated memory was 81.8MB in the beginning and 207.6MB in the end (delta: 125.8MB). Free memory was 42.1MB in the beginning and 133.1MB in the end (delta: -91.0MB). Peak memory consumption was 110.2MB. Max. memory is 16.1GB. [2023-08-29 03:43:46,589 INFO L158 Benchmark]: Witness Printer took 47.86ms. Allocated memory is still 207.6MB. Free memory was 133.1MB in the beginning and 130.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 03:43:46,592 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 54.5MB. Free memory was 32.5MB in the beginning and 32.5MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 268.00ms. Allocated memory is still 67.1MB. Free memory was 45.1MB in the beginning and 32.7MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.73ms. Allocated memory is still 67.1MB. Free memory was 32.5MB in the beginning and 30.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 82.97ms. Allocated memory is still 67.1MB. Free memory was 30.4MB in the beginning and 45.7MB in the end (delta: -15.3MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. * RCFGBuilder took 769.76ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 45.7MB in the beginning and 42.6MB in the end (delta: 3.1MB). Peak memory consumption was 21.8MB. Max. memory is 16.1GB. * TraceAbstraction took 12803.24ms. Allocated memory was 81.8MB in the beginning and 207.6MB in the end (delta: 125.8MB). Free memory was 42.1MB in the beginning and 133.1MB in the end (delta: -91.0MB). Peak memory consumption was 110.2MB. Max. memory is 16.1GB. * Witness Printer took 47.86ms. Allocated memory is still 207.6MB. Free memory was 133.1MB in the beginning and 130.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 8.3s, 214 PlacesBefore, 83 PlacesAfterwards, 216 TransitionsBefore, 80 TransitionsAfterwards, 5292 CoEnabledTransitionPairs, 8 FixpointIterations, 122 TrivialSequentialCompositions, 46 ConcurrentSequentialCompositions, 17 TrivialYvCompositions, 11 ConcurrentYvCompositions, 5 ChoiceCompositions, 201 TotalNumberOfCompositions, 36262 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 11108, independent: 10283, independent conditional: 0, independent unconditional: 10283, dependent: 825, dependent conditional: 0, dependent unconditional: 825, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 2550, independent: 2442, independent conditional: 0, independent unconditional: 2442, dependent: 108, dependent conditional: 0, dependent unconditional: 108, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 11108, independent: 7841, independent conditional: 0, independent unconditional: 7841, dependent: 717, dependent conditional: 0, dependent unconditional: 717, unknown: 2550, unknown conditional: 0, unknown unconditional: 2550] , Statistics on independence cache: Total cache size (in pairs): 546, Positive cache size: 491, Positive conditional cache size: 0, Positive unconditional cache size: 491, Negative cache size: 55, Negative conditional cache size: 0, Negative unconditional cache size: 55, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 111]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 284 locations, 60 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: 12.7s, OverallIterations: 8, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 8.5s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 613 SdHoareTripleChecker+Valid, 1.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 349 mSDsluCounter, 90 SdHoareTripleChecker+Invalid, 1.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 12 mSDsCounter, 179 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1154 IncrementalHoareTripleChecker+Invalid, 1333 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 179 mSolverCounterUnsat, 78 mSDtfsCounter, 1154 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 69 GetRequests, 44 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=178occurred in iteration=0, InterpolantAutomatonStates: 34, 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, 0.2s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 143 NumberOfCodeBlocks, 143 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 155 ConstructedInterpolants, 0 QuantifiedInterpolants, 476 SizeOfPredicates, 4 NumberOfNonLiveVariables, 239 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 10 InterpolantComputations, 8 PerfectInterpolantSequences, 8/10 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 35 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-29 03:43:46,618 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE