./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/weaver/popl20-more-mts.wvr.c --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations BEFORE --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-mts.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 9d38eb9d6ba70070fe3ced1aec90f1c3400cc1f89786e1bd625a19020cb0869f --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations BEFORE --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-31 21:50:45,012 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-31 21:50:45,014 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-31 21:50:45,055 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-31 21:50:45,055 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-31 21:50:45,056 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-31 21:50:45,057 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-31 21:50:45,059 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-31 21:50:45,060 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-31 21:50:45,064 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-31 21:50:45,065 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-31 21:50:45,066 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-31 21:50:45,067 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-31 21:50:45,069 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-31 21:50:45,070 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-31 21:50:45,071 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-31 21:50:45,073 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-31 21:50:45,074 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-31 21:50:45,076 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-31 21:50:45,077 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-31 21:50:45,078 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-31 21:50:45,079 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-31 21:50:45,080 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-31 21:50:45,080 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-31 21:50:45,086 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-31 21:50:45,090 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-31 21:50:45,090 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-31 21:50:45,091 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-31 21:50:45,092 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-31 21:50:45,093 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-31 21:50:45,094 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-31 21:50:45,094 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-31 21:50:45,095 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-31 21:50:45,096 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-31 21:50:45,097 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-31 21:50:45,097 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-31 21:50:45,098 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-31 21:50:45,098 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-31 21:50:45,098 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-31 21:50:45,099 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-31 21:50:45,099 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-31 21:50:45,101 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-31 21:50:45,133 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-31 21:50:45,133 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-31 21:50:45,134 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-31 21:50:45,135 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-31 21:50:45,135 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-31 21:50:45,135 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-31 21:50:45,136 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-31 21:50:45,136 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-31 21:50:45,136 INFO L138 SettingsManager]: * Use SBE=true [2023-08-31 21:50:45,137 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-31 21:50:45,137 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-31 21:50:45,137 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-31 21:50:45,138 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-31 21:50:45,138 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-31 21:50:45,138 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-31 21:50:45,138 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-31 21:50:45,138 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-31 21:50:45,138 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-31 21:50:45,139 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-31 21:50:45,139 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-31 21:50:45,139 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-31 21:50:45,139 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-31 21:50:45,139 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-31 21:50:45,139 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-31 21:50:45,140 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-31 21:50:45,140 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-31 21:50:45,140 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-31 21:50:45,140 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-31 21:50:45,140 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-31 21:50:45,140 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-31 21:50:45,141 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-31 21:50:45,141 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-31 21:50:45,141 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-31 21:50:45,141 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-31 21:50:45,141 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-31 21:50:45,142 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-31 21:50:45,142 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-31 21:50:45,142 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9d38eb9d6ba70070fe3ced1aec90f1c3400cc1f89786e1bd625a19020cb0869f Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> BEFORE [2023-08-31 21:50:45,437 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-31 21:50:45,456 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-31 21:50:45,459 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-31 21:50:45,460 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-31 21:50:45,460 INFO L275 PluginConnector]: CDTParser initialized [2023-08-31 21:50:45,461 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-more-mts.wvr.c [2023-08-31 21:50:46,560 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-31 21:50:46,718 INFO L351 CDTParser]: Found 1 translation units. [2023-08-31 21:50:46,718 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-mts.wvr.c [2023-08-31 21:50:46,723 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e1aa368d0/5c7065e5d390451eb7183132ba88d60d/FLAG8cad9eb7a [2023-08-31 21:50:46,734 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e1aa368d0/5c7065e5d390451eb7183132ba88d60d [2023-08-31 21:50:46,736 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-31 21:50:46,737 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-31 21:50:46,739 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-31 21:50:46,740 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-31 21:50:46,743 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-31 21:50:46,743 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 09:50:46" (1/1) ... [2023-08-31 21:50:46,745 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4df2a2cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:50:46, skipping insertion in model container [2023-08-31 21:50:46,747 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 09:50:46" (1/1) ... [2023-08-31 21:50:46,752 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-31 21:50:46,773 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-31 21:50:46,967 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-mts.wvr.c[2533,2546] [2023-08-31 21:50:46,985 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-31 21:50:46,994 INFO L203 MainTranslator]: Completed pre-run [2023-08-31 21:50:47,033 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-mts.wvr.c[2533,2546] [2023-08-31 21:50:47,048 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-31 21:50:47,058 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-31 21:50:47,059 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-31 21:50:47,065 INFO L208 MainTranslator]: Completed translation [2023-08-31 21:50:47,066 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:50:47 WrapperNode [2023-08-31 21:50:47,066 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-31 21:50:47,068 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-31 21:50:47,068 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-31 21:50:47,068 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-31 21:50:47,074 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:50:47" (1/1) ... [2023-08-31 21:50:47,097 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:50:47" (1/1) ... [2023-08-31 21:50:47,144 INFO L138 Inliner]: procedures = 25, calls = 46, calls flagged for inlining = 13, calls inlined = 19, statements flattened = 379 [2023-08-31 21:50:47,146 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-31 21:50:47,148 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-31 21:50:47,148 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-31 21:50:47,148 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-31 21:50:47,156 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:50:47" (1/1) ... [2023-08-31 21:50:47,157 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:50:47" (1/1) ... [2023-08-31 21:50:47,171 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:50:47" (1/1) ... [2023-08-31 21:50:47,173 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:50:47" (1/1) ... [2023-08-31 21:50:47,198 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:50:47" (1/1) ... [2023-08-31 21:50:47,206 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:50:47" (1/1) ... [2023-08-31 21:50:47,208 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:50:47" (1/1) ... [2023-08-31 21:50:47,220 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:50:47" (1/1) ... [2023-08-31 21:50:47,223 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-31 21:50:47,224 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-31 21:50:47,224 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-31 21:50:47,224 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-31 21:50:47,225 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:50:47" (1/1) ... [2023-08-31 21:50:47,234 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-31 21:50:47,247 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-31 21:50:47,257 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) [2023-08-31 21:50:47,280 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 [2023-08-31 21:50:47,293 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-31 21:50:47,294 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-31 21:50:47,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-31 21:50:47,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-31 21:50:47,294 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-31 21:50:47,294 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-31 21:50:47,294 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-31 21:50:47,295 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-31 21:50:47,295 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-08-31 21:50:47,295 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-08-31 21:50:47,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-31 21:50:47,295 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-31 21:50:47,295 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-31 21:50:47,295 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-31 21:50:47,295 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-31 21:50:47,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-31 21:50:47,296 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-31 21:50:47,297 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-31 21:50:47,443 INFO L236 CfgBuilder]: Building ICFG [2023-08-31 21:50:47,444 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-31 21:50:48,005 INFO L277 CfgBuilder]: Performing block encoding [2023-08-31 21:50:48,200 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-31 21:50:48,200 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-08-31 21:50:48,203 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 09:50:48 BoogieIcfgContainer [2023-08-31 21:50:48,203 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-31 21:50:48,206 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-31 21:50:48,206 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-31 21:50:48,208 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-31 21:50:48,208 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.08 09:50:46" (1/3) ... [2023-08-31 21:50:48,209 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28d84b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.08 09:50:48, skipping insertion in model container [2023-08-31 21:50:48,209 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:50:47" (2/3) ... [2023-08-31 21:50:48,210 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28d84b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.08 09:50:48, skipping insertion in model container [2023-08-31 21:50:48,210 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 09:50:48" (3/3) ... [2023-08-31 21:50:48,211 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-mts.wvr.c [2023-08-31 21:50:48,217 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-31 21:50:48,225 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-31 21:50:48,225 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 47 error locations. [2023-08-31 21:50:48,225 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-31 21:50:48,351 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-08-31 21:50:48,394 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 359 places, 369 transitions, 762 flow [2023-08-31 21:50:48,560 INFO L130 PetriNetUnfolder]: 20/366 cut-off events. [2023-08-31 21:50:48,560 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2023-08-31 21:50:48,569 INFO L83 FinitePrefix]: Finished finitePrefix Result has 379 conditions, 366 events. 20/366 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 781 event pairs, 0 based on Foata normal form. 0/299 useless extension candidates. Maximal degree in co-relation 271. Up to 2 conditions per place. [2023-08-31 21:50:48,569 INFO L82 GeneralOperation]: Start removeDead. Operand has 359 places, 369 transitions, 762 flow [2023-08-31 21:50:48,579 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 337 places, 345 transitions, 708 flow [2023-08-31 21:50:48,582 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-31 21:50:48,593 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 337 places, 345 transitions, 708 flow [2023-08-31 21:50:48,596 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 337 places, 345 transitions, 708 flow [2023-08-31 21:50:48,597 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 337 places, 345 transitions, 708 flow [2023-08-31 21:50:48,654 INFO L130 PetriNetUnfolder]: 18/345 cut-off events. [2023-08-31 21:50:48,655 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2023-08-31 21:50:48,659 INFO L83 FinitePrefix]: Finished finitePrefix Result has 358 conditions, 345 events. 18/345 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 767 event pairs, 0 based on Foata normal form. 0/281 useless extension candidates. Maximal degree in co-relation 271. Up to 2 conditions per place. [2023-08-31 21:50:48,671 INFO L119 LiptonReduction]: Number of co-enabled transitions 26082 [2023-08-31 21:50:58,660 INFO L134 LiptonReduction]: Checked pairs total: 134949 [2023-08-31 21:50:58,660 INFO L136 LiptonReduction]: Total number of compositions: 340 [2023-08-31 21:50:58,672 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-31 21:50:58,677 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;@2cd29bc3, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-31 21:50:58,677 INFO L358 AbstractCegarLoop]: Starting to check reachability of 79 error locations. [2023-08-31 21:50:58,679 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2023-08-31 21:50:58,679 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-31 21:50:58,679 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:50:58,680 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-31 21:50:58,680 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2023-08-31 21:50:58,683 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:50:58,684 INFO L85 PathProgramCache]: Analyzing trace with hash 1594, now seen corresponding path program 1 times [2023-08-31 21:50:58,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:50:58,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187448766] [2023-08-31 21:50:58,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:50:58,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:50:58,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:50:58,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:50:58,776 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:50:58,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187448766] [2023-08-31 21:50:58,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1187448766] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:50:58,777 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:50:58,778 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-31 21:50:58,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406683312] [2023-08-31 21:50:58,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:50:58,786 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-31 21:50:58,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:50:58,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-31 21:50:58,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-31 21:50:58,817 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 338 out of 709 [2023-08-31 21:50:58,826 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 127 places, 127 transitions, 272 flow. Second operand has 2 states, 2 states have (on average 338.5) internal successors, (677), 2 states have internal predecessors, (677), 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) [2023-08-31 21:50:58,827 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:50:58,827 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 338 of 709 [2023-08-31 21:50:58,828 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:50:59,371 INFO L130 PetriNetUnfolder]: 1597/4224 cut-off events. [2023-08-31 21:50:59,372 INFO L131 PetriNetUnfolder]: For 144/144 co-relation queries the response was YES. [2023-08-31 21:50:59,378 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6581 conditions, 4224 events. 1597/4224 cut-off events. For 144/144 co-relation queries the response was YES. Maximal size of possible extension queue 222. Compared 37262 event pairs, 1046 based on Foata normal form. 507/3918 useless extension candidates. Maximal degree in co-relation 6026. Up to 2179 conditions per place. [2023-08-31 21:50:59,398 INFO L137 encePairwiseOnDemand]: 673/709 looper letters, 32 selfloop transitions, 0 changer transitions 1/91 dead transitions. [2023-08-31 21:50:59,399 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 91 transitions, 266 flow [2023-08-31 21:50:59,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-31 21:50:59,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-31 21:50:59,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 745 transitions. [2023-08-31 21:50:59,416 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5253878702397743 [2023-08-31 21:50:59,416 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 745 transitions. [2023-08-31 21:50:59,417 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 745 transitions. [2023-08-31 21:50:59,419 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:50:59,421 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 745 transitions. [2023-08-31 21:50:59,426 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 372.5) internal successors, (745), 2 states have internal predecessors, (745), 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) [2023-08-31 21:50:59,432 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 709.0) internal successors, (2127), 3 states have internal predecessors, (2127), 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) [2023-08-31 21:50:59,433 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 709.0) internal successors, (2127), 3 states have internal predecessors, (2127), 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) [2023-08-31 21:50:59,435 INFO L175 Difference]: Start difference. First operand has 127 places, 127 transitions, 272 flow. Second operand 2 states and 745 transitions. [2023-08-31 21:50:59,436 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 96 places, 91 transitions, 266 flow [2023-08-31 21:50:59,442 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 90 places, 91 transitions, 254 flow, removed 0 selfloop flow, removed 6 redundant places. [2023-08-31 21:50:59,444 INFO L231 Difference]: Finished difference. Result has 90 places, 90 transitions, 185 flow [2023-08-31 21:50:59,446 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=709, PETRI_DIFFERENCE_MINUEND_FLOW=188, PETRI_DIFFERENCE_MINUEND_PLACES=89, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=91, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=91, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=185, PETRI_PLACES=90, PETRI_TRANSITIONS=90} [2023-08-31 21:50:59,452 INFO L281 CegarLoopForPetriNet]: 127 programPoint places, -37 predicate places. [2023-08-31 21:50:59,454 INFO L495 AbstractCegarLoop]: Abstraction has has 90 places, 90 transitions, 185 flow [2023-08-31 21:50:59,454 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 338.5) internal successors, (677), 2 states have internal predecessors, (677), 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) [2023-08-31 21:50:59,455 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:50:59,455 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-08-31 21:50:59,455 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-31 21:50:59,456 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2023-08-31 21:50:59,463 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:50:59,464 INFO L85 PathProgramCache]: Analyzing trace with hash 106756084, now seen corresponding path program 1 times [2023-08-31 21:50:59,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:50:59,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [227156004] [2023-08-31 21:50:59,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:50:59,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:50:59,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:50:59,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:50:59,679 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:50:59,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [227156004] [2023-08-31 21:50:59,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [227156004] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:50:59,691 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:50:59,691 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 21:50:59,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221349334] [2023-08-31 21:50:59,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:50:59,692 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 21:50:59,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:50:59,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 21:50:59,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 21:50:59,722 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 325 out of 709 [2023-08-31 21:50:59,723 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 90 places, 90 transitions, 185 flow. Second operand has 3 states, 3 states have (on average 326.6666666666667) internal successors, (980), 3 states have internal predecessors, (980), 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) [2023-08-31 21:50:59,723 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:50:59,724 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 325 of 709 [2023-08-31 21:50:59,724 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:51:00,431 INFO L130 PetriNetUnfolder]: 2604/6072 cut-off events. [2023-08-31 21:51:00,431 INFO L131 PetriNetUnfolder]: For 45/45 co-relation queries the response was YES. [2023-08-31 21:51:00,439 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9732 conditions, 6072 events. 2604/6072 cut-off events. For 45/45 co-relation queries the response was YES. Maximal size of possible extension queue 293. Compared 52052 event pairs, 1893 based on Foata normal form. 0/4885 useless extension candidates. Maximal degree in co-relation 9729. Up to 3575 conditions per place. [2023-08-31 21:51:00,462 INFO L137 encePairwiseOnDemand]: 706/709 looper letters, 34 selfloop transitions, 1 changer transitions 0/88 dead transitions. [2023-08-31 21:51:00,462 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 89 places, 88 transitions, 251 flow [2023-08-31 21:51:00,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 21:51:00,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 21:51:00,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1012 transitions. [2023-08-31 21:51:00,466 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.47578749412317817 [2023-08-31 21:51:00,466 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1012 transitions. [2023-08-31 21:51:00,466 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1012 transitions. [2023-08-31 21:51:00,467 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:51:00,467 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1012 transitions. [2023-08-31 21:51:00,469 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 337.3333333333333) internal successors, (1012), 3 states have internal predecessors, (1012), 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) [2023-08-31 21:51:00,473 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 709.0) internal successors, (2836), 4 states have internal predecessors, (2836), 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) [2023-08-31 21:51:00,474 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 709.0) internal successors, (2836), 4 states have internal predecessors, (2836), 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) [2023-08-31 21:51:00,475 INFO L175 Difference]: Start difference. First operand has 90 places, 90 transitions, 185 flow. Second operand 3 states and 1012 transitions. [2023-08-31 21:51:00,475 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 89 places, 88 transitions, 251 flow [2023-08-31 21:51:00,476 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 89 places, 88 transitions, 251 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-31 21:51:00,478 INFO L231 Difference]: Finished difference. Result has 89 places, 88 transitions, 183 flow [2023-08-31 21:51:00,478 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=709, PETRI_DIFFERENCE_MINUEND_FLOW=181, PETRI_DIFFERENCE_MINUEND_PLACES=87, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=88, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=87, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=183, PETRI_PLACES=89, PETRI_TRANSITIONS=88} [2023-08-31 21:51:00,479 INFO L281 CegarLoopForPetriNet]: 127 programPoint places, -38 predicate places. [2023-08-31 21:51:00,479 INFO L495 AbstractCegarLoop]: Abstraction has has 89 places, 88 transitions, 183 flow [2023-08-31 21:51:00,480 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 326.6666666666667) internal successors, (980), 3 states have internal predecessors, (980), 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) [2023-08-31 21:51:00,480 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:51:00,480 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:51:00,481 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-31 21:51:00,481 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2023-08-31 21:51:00,485 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:51:00,485 INFO L85 PathProgramCache]: Analyzing trace with hash -486334750, now seen corresponding path program 1 times [2023-08-31 21:51:00,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:51:00,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [569491106] [2023-08-31 21:51:00,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:51:00,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:51:00,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:51:00,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:51:00,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:51:00,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [569491106] [2023-08-31 21:51:00,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [569491106] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:51:00,547 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:51:00,547 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 21:51:00,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648128733] [2023-08-31 21:51:00,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:51:00,548 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 21:51:00,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:51:00,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 21:51:00,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 21:51:00,563 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 325 out of 709 [2023-08-31 21:51:00,564 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 89 places, 88 transitions, 183 flow. Second operand has 3 states, 3 states have (on average 327.0) internal successors, (981), 3 states have internal predecessors, (981), 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) [2023-08-31 21:51:00,564 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:51:00,564 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 325 of 709 [2023-08-31 21:51:00,564 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:51:01,096 INFO L130 PetriNetUnfolder]: 2582/5446 cut-off events. [2023-08-31 21:51:01,096 INFO L131 PetriNetUnfolder]: For 42/42 co-relation queries the response was YES. [2023-08-31 21:51:01,104 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9138 conditions, 5446 events. 2582/5446 cut-off events. For 42/42 co-relation queries the response was YES. Maximal size of possible extension queue 239. Compared 42989 event pairs, 474 based on Foata normal form. 0/4735 useless extension candidates. Maximal degree in co-relation 9134. Up to 3323 conditions per place. [2023-08-31 21:51:01,125 INFO L137 encePairwiseOnDemand]: 702/709 looper letters, 51 selfloop transitions, 3 changer transitions 0/102 dead transitions. [2023-08-31 21:51:01,125 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 102 transitions, 323 flow [2023-08-31 21:51:01,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 21:51:01,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 21:51:01,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1033 transitions. [2023-08-31 21:51:01,128 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.48566055477197934 [2023-08-31 21:51:01,128 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1033 transitions. [2023-08-31 21:51:01,129 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1033 transitions. [2023-08-31 21:51:01,129 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:51:01,129 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1033 transitions. [2023-08-31 21:51:01,132 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 344.3333333333333) internal successors, (1033), 3 states have internal predecessors, (1033), 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) [2023-08-31 21:51:01,135 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 709.0) internal successors, (2836), 4 states have internal predecessors, (2836), 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) [2023-08-31 21:51:01,136 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 709.0) internal successors, (2836), 4 states have internal predecessors, (2836), 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) [2023-08-31 21:51:01,136 INFO L175 Difference]: Start difference. First operand has 89 places, 88 transitions, 183 flow. Second operand 3 states and 1033 transitions. [2023-08-31 21:51:01,137 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 87 places, 102 transitions, 323 flow [2023-08-31 21:51:01,138 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 86 places, 102 transitions, 322 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-31 21:51:01,139 INFO L231 Difference]: Finished difference. Result has 87 places, 87 transitions, 195 flow [2023-08-31 21:51:01,139 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=709, PETRI_DIFFERENCE_MINUEND_FLOW=174, PETRI_DIFFERENCE_MINUEND_PLACES=84, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=84, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=81, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=195, PETRI_PLACES=87, PETRI_TRANSITIONS=87} [2023-08-31 21:51:01,140 INFO L281 CegarLoopForPetriNet]: 127 programPoint places, -40 predicate places. [2023-08-31 21:51:01,140 INFO L495 AbstractCegarLoop]: Abstraction has has 87 places, 87 transitions, 195 flow [2023-08-31 21:51:01,141 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 327.0) internal successors, (981), 3 states have internal predecessors, (981), 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) [2023-08-31 21:51:01,141 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:51:01,141 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:51:01,142 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-31 21:51:01,142 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2023-08-31 21:51:01,142 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:51:01,142 INFO L85 PathProgramCache]: Analyzing trace with hash -77754687, now seen corresponding path program 1 times [2023-08-31 21:51:01,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:51:01,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1559141975] [2023-08-31 21:51:01,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:51:01,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:51:01,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:51:01,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:51:01,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:51:01,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1559141975] [2023-08-31 21:51:01,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1559141975] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:51:01,188 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:51:01,189 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 21:51:01,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453937340] [2023-08-31 21:51:01,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:51:01,190 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 21:51:01,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:51:01,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 21:51:01,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 21:51:01,212 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 325 out of 709 [2023-08-31 21:51:01,213 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 87 places, 87 transitions, 195 flow. Second operand has 3 states, 3 states have (on average 327.3333333333333) internal successors, (982), 3 states have internal predecessors, (982), 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) [2023-08-31 21:51:01,214 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:51:01,214 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 325 of 709 [2023-08-31 21:51:01,214 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:51:01,749 INFO L130 PetriNetUnfolder]: 2512/5615 cut-off events. [2023-08-31 21:51:01,750 INFO L131 PetriNetUnfolder]: For 422/578 co-relation queries the response was YES. [2023-08-31 21:51:01,757 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9774 conditions, 5615 events. 2512/5615 cut-off events. For 422/578 co-relation queries the response was YES. Maximal size of possible extension queue 279. Compared 46419 event pairs, 1755 based on Foata normal form. 0/4859 useless extension candidates. Maximal degree in co-relation 9770. Up to 3486 conditions per place. [2023-08-31 21:51:01,777 INFO L137 encePairwiseOnDemand]: 706/709 looper letters, 36 selfloop transitions, 1 changer transitions 0/85 dead transitions. [2023-08-31 21:51:01,779 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 85 transitions, 265 flow [2023-08-31 21:51:01,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 21:51:01,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 21:51:01,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1011 transitions. [2023-08-31 21:51:01,781 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.47531734837799716 [2023-08-31 21:51:01,782 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1011 transitions. [2023-08-31 21:51:01,782 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1011 transitions. [2023-08-31 21:51:01,782 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:51:01,782 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1011 transitions. [2023-08-31 21:51:01,784 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 337.0) internal successors, (1011), 3 states have internal predecessors, (1011), 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) [2023-08-31 21:51:01,788 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 709.0) internal successors, (2836), 4 states have internal predecessors, (2836), 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) [2023-08-31 21:51:01,789 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 709.0) internal successors, (2836), 4 states have internal predecessors, (2836), 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) [2023-08-31 21:51:01,789 INFO L175 Difference]: Start difference. First operand has 87 places, 87 transitions, 195 flow. Second operand 3 states and 1011 transitions. [2023-08-31 21:51:01,789 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 87 places, 85 transitions, 265 flow [2023-08-31 21:51:01,790 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 87 places, 85 transitions, 265 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-31 21:51:01,792 INFO L231 Difference]: Finished difference. Result has 87 places, 85 transitions, 193 flow [2023-08-31 21:51:01,792 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=709, PETRI_DIFFERENCE_MINUEND_FLOW=191, PETRI_DIFFERENCE_MINUEND_PLACES=85, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=85, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=84, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=193, PETRI_PLACES=87, PETRI_TRANSITIONS=85} [2023-08-31 21:51:01,793 INFO L281 CegarLoopForPetriNet]: 127 programPoint places, -40 predicate places. [2023-08-31 21:51:01,793 INFO L495 AbstractCegarLoop]: Abstraction has has 87 places, 85 transitions, 193 flow [2023-08-31 21:51:01,794 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 327.3333333333333) internal successors, (982), 3 states have internal predecessors, (982), 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) [2023-08-31 21:51:01,794 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:51:01,794 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:51:01,794 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-31 21:51:01,795 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2023-08-31 21:51:01,795 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:51:01,795 INFO L85 PathProgramCache]: Analyzing trace with hash 378830133, now seen corresponding path program 1 times [2023-08-31 21:51:01,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:51:01,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489735739] [2023-08-31 21:51:01,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:51:01,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:51:01,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:51:01,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:51:01,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:51:01,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1489735739] [2023-08-31 21:51:01,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1489735739] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:51:01,922 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:51:01,922 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 21:51:01,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518027295] [2023-08-31 21:51:01,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:51:01,923 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 21:51:01,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:51:01,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 21:51:01,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 21:51:01,963 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 333 out of 709 [2023-08-31 21:51:01,964 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 87 places, 85 transitions, 193 flow. Second operand has 3 states, 3 states have (on average 335.6666666666667) internal successors, (1007), 3 states have internal predecessors, (1007), 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) [2023-08-31 21:51:01,965 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:51:01,965 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 333 of 709 [2023-08-31 21:51:01,965 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:51:02,356 INFO L130 PetriNetUnfolder]: 1806/4386 cut-off events. [2023-08-31 21:51:02,356 INFO L131 PetriNetUnfolder]: For 364/431 co-relation queries the response was YES. [2023-08-31 21:51:02,363 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7409 conditions, 4386 events. 1806/4386 cut-off events. For 364/431 co-relation queries the response was YES. Maximal size of possible extension queue 222. Compared 37247 event pairs, 1151 based on Foata normal form. 1/3673 useless extension candidates. Maximal degree in co-relation 7404. Up to 2487 conditions per place. [2023-08-31 21:51:02,376 INFO L137 encePairwiseOnDemand]: 706/709 looper letters, 34 selfloop transitions, 2 changer transitions 0/86 dead transitions. [2023-08-31 21:51:02,376 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 89 places, 86 transitions, 267 flow [2023-08-31 21:51:02,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 21:51:02,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 21:51:02,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1033 transitions. [2023-08-31 21:51:02,379 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.48566055477197934 [2023-08-31 21:51:02,379 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1033 transitions. [2023-08-31 21:51:02,379 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1033 transitions. [2023-08-31 21:51:02,380 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:51:02,380 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1033 transitions. [2023-08-31 21:51:02,382 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 344.3333333333333) internal successors, (1033), 3 states have internal predecessors, (1033), 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) [2023-08-31 21:51:02,385 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 709.0) internal successors, (2836), 4 states have internal predecessors, (2836), 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) [2023-08-31 21:51:02,387 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 709.0) internal successors, (2836), 4 states have internal predecessors, (2836), 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) [2023-08-31 21:51:02,387 INFO L175 Difference]: Start difference. First operand has 87 places, 85 transitions, 193 flow. Second operand 3 states and 1033 transitions. [2023-08-31 21:51:02,387 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 89 places, 86 transitions, 267 flow [2023-08-31 21:51:02,388 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 88 places, 86 transitions, 266 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-31 21:51:02,389 INFO L231 Difference]: Finished difference. Result has 89 places, 86 transitions, 204 flow [2023-08-31 21:51:02,389 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=709, PETRI_DIFFERENCE_MINUEND_FLOW=192, PETRI_DIFFERENCE_MINUEND_PLACES=86, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=85, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=83, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=204, PETRI_PLACES=89, PETRI_TRANSITIONS=86} [2023-08-31 21:51:02,390 INFO L281 CegarLoopForPetriNet]: 127 programPoint places, -38 predicate places. [2023-08-31 21:51:02,390 INFO L495 AbstractCegarLoop]: Abstraction has has 89 places, 86 transitions, 204 flow [2023-08-31 21:51:02,391 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 335.6666666666667) internal successors, (1007), 3 states have internal predecessors, (1007), 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) [2023-08-31 21:51:02,391 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:51:02,391 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:51:02,391 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-31 21:51:02,391 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2023-08-31 21:51:02,391 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:51:02,392 INFO L85 PathProgramCache]: Analyzing trace with hash -140049489, now seen corresponding path program 1 times [2023-08-31 21:51:02,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:51:02,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723114033] [2023-08-31 21:51:02,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:51:02,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:51:02,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:51:02,696 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-08-31 21:51:02,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:51:02,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723114033] [2023-08-31 21:51:02,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [723114033] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:51:02,697 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:51:02,697 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-31 21:51:02,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747023299] [2023-08-31 21:51:02,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:51:02,698 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-31 21:51:02,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:51:02,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-31 21:51:02,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-31 21:51:02,986 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 325 out of 709 [2023-08-31 21:51:02,988 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 89 places, 86 transitions, 204 flow. Second operand has 6 states, 6 states have (on average 327.1666666666667) internal successors, (1963), 6 states have internal predecessors, (1963), 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) [2023-08-31 21:51:02,988 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:51:02,988 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 325 of 709 [2023-08-31 21:51:02,988 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:51:03,827 INFO L130 PetriNetUnfolder]: 4798/7446 cut-off events. [2023-08-31 21:51:03,827 INFO L131 PetriNetUnfolder]: For 889/923 co-relation queries the response was YES. [2023-08-31 21:51:03,843 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15003 conditions, 7446 events. 4798/7446 cut-off events. For 889/923 co-relation queries the response was YES. Maximal size of possible extension queue 371. Compared 49404 event pairs, 542 based on Foata normal form. 3/6045 useless extension candidates. Maximal degree in co-relation 14997. Up to 2166 conditions per place. [2023-08-31 21:51:03,872 INFO L137 encePairwiseOnDemand]: 704/709 looper letters, 124 selfloop transitions, 4 changer transitions 0/173 dead transitions. [2023-08-31 21:51:03,872 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 93 places, 173 transitions, 694 flow [2023-08-31 21:51:03,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-31 21:51:03,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-31 21:51:03,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2063 transitions. [2023-08-31 21:51:03,877 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.48495533615420783 [2023-08-31 21:51:03,877 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2063 transitions. [2023-08-31 21:51:03,877 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2063 transitions. [2023-08-31 21:51:03,878 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:51:03,879 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2063 transitions. [2023-08-31 21:51:03,882 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 343.8333333333333) internal successors, (2063), 6 states have internal predecessors, (2063), 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) [2023-08-31 21:51:03,888 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 709.0) internal successors, (4963), 7 states have internal predecessors, (4963), 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) [2023-08-31 21:51:03,889 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 709.0) internal successors, (4963), 7 states have internal predecessors, (4963), 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) [2023-08-31 21:51:03,890 INFO L175 Difference]: Start difference. First operand has 89 places, 86 transitions, 204 flow. Second operand 6 states and 2063 transitions. [2023-08-31 21:51:03,890 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 93 places, 173 transitions, 694 flow [2023-08-31 21:51:03,892 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 173 transitions, 690 flow, removed 1 selfloop flow, removed 1 redundant places. [2023-08-31 21:51:03,893 INFO L231 Difference]: Finished difference. Result has 92 places, 85 transitions, 206 flow [2023-08-31 21:51:03,894 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=709, PETRI_DIFFERENCE_MINUEND_FLOW=198, PETRI_DIFFERENCE_MINUEND_PLACES=87, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=85, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=81, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=206, PETRI_PLACES=92, PETRI_TRANSITIONS=85} [2023-08-31 21:51:03,894 INFO L281 CegarLoopForPetriNet]: 127 programPoint places, -35 predicate places. [2023-08-31 21:51:03,895 INFO L495 AbstractCegarLoop]: Abstraction has has 92 places, 85 transitions, 206 flow [2023-08-31 21:51:03,896 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 327.1666666666667) internal successors, (1963), 6 states have internal predecessors, (1963), 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) [2023-08-31 21:51:03,896 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:51:03,896 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:51:03,896 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-31 21:51:03,896 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2023-08-31 21:51:03,897 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:51:03,897 INFO L85 PathProgramCache]: Analyzing trace with hash 2011761856, now seen corresponding path program 1 times [2023-08-31 21:51:03,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:51:03,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162760571] [2023-08-31 21:51:03,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:51:03,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:51:03,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:51:04,142 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-08-31 21:51:04,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:51:04,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1162760571] [2023-08-31 21:51:04,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1162760571] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:51:04,143 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:51:04,143 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-31 21:51:04,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669005575] [2023-08-31 21:51:04,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:51:04,144 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-31 21:51:04,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:51:04,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-31 21:51:04,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-31 21:51:04,473 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 318 out of 709 [2023-08-31 21:51:04,474 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 85 transitions, 206 flow. Second operand has 6 states, 6 states have (on average 320.0) internal successors, (1920), 6 states have internal predecessors, (1920), 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) [2023-08-31 21:51:04,474 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:51:04,474 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 318 of 709 [2023-08-31 21:51:04,474 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:51:05,115 INFO L130 PetriNetUnfolder]: 3165/5774 cut-off events. [2023-08-31 21:51:05,115 INFO L131 PetriNetUnfolder]: For 969/1009 co-relation queries the response was YES. [2023-08-31 21:51:05,124 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11663 conditions, 5774 events. 3165/5774 cut-off events. For 969/1009 co-relation queries the response was YES. Maximal size of possible extension queue 237. Compared 41061 event pairs, 806 based on Foata normal form. 0/5059 useless extension candidates. Maximal degree in co-relation 11657. Up to 1954 conditions per place. [2023-08-31 21:51:05,143 INFO L137 encePairwiseOnDemand]: 702/709 looper letters, 104 selfloop transitions, 5 changer transitions 0/147 dead transitions. [2023-08-31 21:51:05,143 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 95 places, 147 transitions, 580 flow [2023-08-31 21:51:05,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-31 21:51:05,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-31 21:51:05,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2015 transitions. [2023-08-31 21:51:05,148 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.47367183826986364 [2023-08-31 21:51:05,148 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2015 transitions. [2023-08-31 21:51:05,149 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2015 transitions. [2023-08-31 21:51:05,150 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:51:05,150 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2015 transitions. [2023-08-31 21:51:05,153 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 335.8333333333333) internal successors, (2015), 6 states have internal predecessors, (2015), 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) [2023-08-31 21:51:05,158 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 709.0) internal successors, (4963), 7 states have internal predecessors, (4963), 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) [2023-08-31 21:51:05,159 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 709.0) internal successors, (4963), 7 states have internal predecessors, (4963), 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) [2023-08-31 21:51:05,159 INFO L175 Difference]: Start difference. First operand has 92 places, 85 transitions, 206 flow. Second operand 6 states and 2015 transitions. [2023-08-31 21:51:05,159 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 95 places, 147 transitions, 580 flow [2023-08-31 21:51:05,166 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 91 places, 147 transitions, 565 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-31 21:51:05,167 INFO L231 Difference]: Finished difference. Result has 91 places, 83 transitions, 205 flow [2023-08-31 21:51:05,168 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=709, PETRI_DIFFERENCE_MINUEND_FLOW=195, PETRI_DIFFERENCE_MINUEND_PLACES=86, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=78, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=205, PETRI_PLACES=91, PETRI_TRANSITIONS=83} [2023-08-31 21:51:05,168 INFO L281 CegarLoopForPetriNet]: 127 programPoint places, -36 predicate places. [2023-08-31 21:51:05,168 INFO L495 AbstractCegarLoop]: Abstraction has has 91 places, 83 transitions, 205 flow [2023-08-31 21:51:05,169 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 320.0) internal successors, (1920), 6 states have internal predecessors, (1920), 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) [2023-08-31 21:51:05,169 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:51:05,169 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:51:05,170 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-08-31 21:51:05,170 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2023-08-31 21:51:05,170 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:51:05,170 INFO L85 PathProgramCache]: Analyzing trace with hash -113558436, now seen corresponding path program 1 times [2023-08-31 21:51:05,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:51:05,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663755830] [2023-08-31 21:51:05,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:51:05,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:51:05,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:51:05,283 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:51:05,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:51:05,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [663755830] [2023-08-31 21:51:05,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [663755830] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-31 21:51:05,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1065435015] [2023-08-31 21:51:05,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:51:05,284 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-31 21:51:05,284 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-31 21:51:05,291 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) [2023-08-31 21:51:05,294 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-08-31 21:51:05,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:51:05,406 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 8 conjunts are in the unsatisfiable core [2023-08-31 21:51:05,410 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-08-31 21:51:05,510 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:51:05,510 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-08-31 21:51:05,573 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:51:05,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1065435015] provided 0 perfect and 2 imperfect interpolant sequences [2023-08-31 21:51:05,574 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-08-31 21:51:05,574 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2023-08-31 21:51:05,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019829654] [2023-08-31 21:51:05,574 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-08-31 21:51:05,575 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-08-31 21:51:05,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:51:05,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-08-31 21:51:05,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2023-08-31 21:51:05,967 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 324 out of 709 [2023-08-31 21:51:05,970 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 83 transitions, 205 flow. Second operand has 12 states, 12 states have (on average 325.5833333333333) internal successors, (3907), 12 states have internal predecessors, (3907), 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) [2023-08-31 21:51:05,970 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:51:05,970 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 324 of 709 [2023-08-31 21:51:05,970 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:51:06,616 INFO L130 PetriNetUnfolder]: 2456/5572 cut-off events. [2023-08-31 21:51:06,616 INFO L131 PetriNetUnfolder]: For 610/705 co-relation queries the response was YES. [2023-08-31 21:51:06,628 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10102 conditions, 5572 events. 2456/5572 cut-off events. For 610/705 co-relation queries the response was YES. Maximal size of possible extension queue 284. Compared 47027 event pairs, 1124 based on Foata normal form. 13/4846 useless extension candidates. Maximal degree in co-relation 10096. Up to 2147 conditions per place. [2023-08-31 21:51:06,646 INFO L137 encePairwiseOnDemand]: 703/709 looper letters, 94 selfloop transitions, 6 changer transitions 0/146 dead transitions. [2023-08-31 21:51:06,646 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 97 places, 146 transitions, 581 flow [2023-08-31 21:51:06,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-08-31 21:51:06,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2023-08-31 21:51:06,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 2360 transitions. [2023-08-31 21:51:06,652 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4755188394116462 [2023-08-31 21:51:06,652 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 2360 transitions. [2023-08-31 21:51:06,652 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 2360 transitions. [2023-08-31 21:51:06,653 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:51:06,653 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 2360 transitions. [2023-08-31 21:51:06,657 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 337.14285714285717) internal successors, (2360), 7 states have internal predecessors, (2360), 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) [2023-08-31 21:51:06,663 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 709.0) internal successors, (5672), 8 states have internal predecessors, (5672), 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) [2023-08-31 21:51:06,664 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 709.0) internal successors, (5672), 8 states have internal predecessors, (5672), 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) [2023-08-31 21:51:06,665 INFO L175 Difference]: Start difference. First operand has 91 places, 83 transitions, 205 flow. Second operand 7 states and 2360 transitions. [2023-08-31 21:51:06,665 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 97 places, 146 transitions, 581 flow [2023-08-31 21:51:06,667 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 146 transitions, 565 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-08-31 21:51:06,668 INFO L231 Difference]: Finished difference. Result has 96 places, 87 transitions, 239 flow [2023-08-31 21:51:06,668 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=709, PETRI_DIFFERENCE_MINUEND_FLOW=195, PETRI_DIFFERENCE_MINUEND_PLACES=86, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=77, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=239, PETRI_PLACES=96, PETRI_TRANSITIONS=87} [2023-08-31 21:51:06,669 INFO L281 CegarLoopForPetriNet]: 127 programPoint places, -31 predicate places. [2023-08-31 21:51:06,669 INFO L495 AbstractCegarLoop]: Abstraction has has 96 places, 87 transitions, 239 flow [2023-08-31 21:51:06,671 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 325.5833333333333) internal successors, (3907), 12 states have internal predecessors, (3907), 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) [2023-08-31 21:51:06,671 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:51:06,671 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:51:06,680 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-08-31 21:51:06,876 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-31 21:51:06,877 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thread2Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2023-08-31 21:51:06,877 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:51:06,877 INFO L85 PathProgramCache]: Analyzing trace with hash 1828434466, now seen corresponding path program 2 times [2023-08-31 21:51:06,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:51:06,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [904665100] [2023-08-31 21:51:06,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:51:06,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:51:06,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:51:07,197 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-08-31 21:51:07,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:51:07,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [904665100] [2023-08-31 21:51:07,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [904665100] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:51:07,199 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:51:07,199 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-31 21:51:07,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801858880] [2023-08-31 21:51:07,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:51:07,202 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-31 21:51:07,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:51:07,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-31 21:51:07,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-31 21:51:07,565 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 318 out of 709 [2023-08-31 21:51:07,567 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 96 places, 87 transitions, 239 flow. Second operand has 6 states, 6 states have (on average 320.3333333333333) internal successors, (1922), 6 states have internal predecessors, (1922), 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) [2023-08-31 21:51:07,567 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:51:07,567 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 318 of 709 [2023-08-31 21:51:07,567 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:51:08,294 INFO L130 PetriNetUnfolder]: 3896/7460 cut-off events. [2023-08-31 21:51:08,295 INFO L131 PetriNetUnfolder]: For 1420/1499 co-relation queries the response was YES. [2023-08-31 21:51:08,328 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14890 conditions, 7460 events. 3896/7460 cut-off events. For 1420/1499 co-relation queries the response was YES. Maximal size of possible extension queue 372. Compared 59852 event pairs, 1317 based on Foata normal form. 0/6567 useless extension candidates. Maximal degree in co-relation 14881. Up to 2670 conditions per place. [2023-08-31 21:51:08,352 INFO L137 encePairwiseOnDemand]: 702/709 looper letters, 108 selfloop transitions, 5 changer transitions 0/149 dead transitions. [2023-08-31 21:51:08,353 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 99 places, 149 transitions, 613 flow [2023-08-31 21:51:08,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-31 21:51:08,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-31 21:51:08,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2015 transitions. [2023-08-31 21:51:08,358 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.47367183826986364 [2023-08-31 21:51:08,358 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2015 transitions. [2023-08-31 21:51:08,358 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2015 transitions. [2023-08-31 21:51:08,359 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:51:08,359 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2015 transitions. [2023-08-31 21:51:08,362 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 335.8333333333333) internal successors, (2015), 6 states have internal predecessors, (2015), 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) [2023-08-31 21:51:08,366 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 709.0) internal successors, (4963), 7 states have internal predecessors, (4963), 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) [2023-08-31 21:51:08,367 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 709.0) internal successors, (4963), 7 states have internal predecessors, (4963), 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) [2023-08-31 21:51:08,367 INFO L175 Difference]: Start difference. First operand has 96 places, 87 transitions, 239 flow. Second operand 6 states and 2015 transitions. [2023-08-31 21:51:08,368 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 99 places, 149 transitions, 613 flow [2023-08-31 21:51:08,369 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 98 places, 149 transitions, 605 flow, removed 3 selfloop flow, removed 1 redundant places. [2023-08-31 21:51:08,371 INFO L231 Difference]: Finished difference. Result has 98 places, 85 transitions, 237 flow [2023-08-31 21:51:08,371 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=709, PETRI_DIFFERENCE_MINUEND_FLOW=227, PETRI_DIFFERENCE_MINUEND_PLACES=93, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=85, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=80, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=237, PETRI_PLACES=98, PETRI_TRANSITIONS=85} [2023-08-31 21:51:08,372 INFO L281 CegarLoopForPetriNet]: 127 programPoint places, -29 predicate places. [2023-08-31 21:51:08,372 INFO L495 AbstractCegarLoop]: Abstraction has has 98 places, 85 transitions, 237 flow [2023-08-31 21:51:08,372 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 320.3333333333333) internal successors, (1922), 6 states have internal predecessors, (1922), 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) [2023-08-31 21:51:08,373 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:51:08,373 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] [2023-08-31 21:51:08,373 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-08-31 21:51:08,373 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2023-08-31 21:51:08,373 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:51:08,373 INFO L85 PathProgramCache]: Analyzing trace with hash -2034205084, now seen corresponding path program 1 times [2023-08-31 21:51:08,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:51:08,374 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2045540032] [2023-08-31 21:51:08,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:51:08,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:51:08,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:51:08,453 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:51:08,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:51:08,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2045540032] [2023-08-31 21:51:08,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2045540032] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-31 21:51:08,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2003783728] [2023-08-31 21:51:08,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:51:08,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-31 21:51:08,455 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-31 21:51:08,456 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-08-31 21:51:08,485 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-08-31 21:51:08,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:51:08,576 INFO L263 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 6 conjunts are in the unsatisfiable core [2023-08-31 21:51:08,578 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-08-31 21:51:08,622 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:51:08,622 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-08-31 21:51:08,651 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:51:08,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2003783728] provided 1 perfect and 1 imperfect interpolant sequences [2023-08-31 21:51:08,651 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-08-31 21:51:08,651 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4, 4] total 8 [2023-08-31 21:51:08,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695119574] [2023-08-31 21:51:08,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:51:08,652 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-08-31 21:51:08,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:51:08,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-08-31 21:51:08,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2023-08-31 21:51:08,737 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 326 out of 709 [2023-08-31 21:51:08,740 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 98 places, 85 transitions, 237 flow. Second operand has 5 states, 5 states have (on average 328.6) internal successors, (1643), 5 states have internal predecessors, (1643), 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) [2023-08-31 21:51:08,740 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:51:08,740 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 326 of 709 [2023-08-31 21:51:08,740 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:51:09,117 INFO L130 PetriNetUnfolder]: 2248/5020 cut-off events. [2023-08-31 21:51:09,117 INFO L131 PetriNetUnfolder]: For 862/999 co-relation queries the response was YES. [2023-08-31 21:51:09,128 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9839 conditions, 5020 events. 2248/5020 cut-off events. For 862/999 co-relation queries the response was YES. Maximal size of possible extension queue 218. Compared 39812 event pairs, 885 based on Foata normal form. 82/4660 useless extension candidates. Maximal degree in co-relation 9829. Up to 2134 conditions per place. [2023-08-31 21:51:09,143 INFO L137 encePairwiseOnDemand]: 703/709 looper letters, 55 selfloop transitions, 5 changer transitions 0/105 dead transitions. [2023-08-31 21:51:09,144 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 102 places, 105 transitions, 418 flow [2023-08-31 21:51:09,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-31 21:51:09,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-31 21:51:09,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1682 transitions. [2023-08-31 21:51:09,148 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4744710860366714 [2023-08-31 21:51:09,148 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1682 transitions. [2023-08-31 21:51:09,148 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1682 transitions. [2023-08-31 21:51:09,149 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:51:09,149 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1682 transitions. [2023-08-31 21:51:09,152 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 336.4) internal successors, (1682), 5 states have internal predecessors, (1682), 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) [2023-08-31 21:51:09,156 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 709.0) internal successors, (4254), 6 states have internal predecessors, (4254), 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) [2023-08-31 21:51:09,157 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 709.0) internal successors, (4254), 6 states have internal predecessors, (4254), 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) [2023-08-31 21:51:09,157 INFO L175 Difference]: Start difference. First operand has 98 places, 85 transitions, 237 flow. Second operand 5 states and 1682 transitions. [2023-08-31 21:51:09,157 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 102 places, 105 transitions, 418 flow [2023-08-31 21:51:09,160 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 97 places, 105 transitions, 406 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-08-31 21:51:09,161 INFO L231 Difference]: Finished difference. Result has 99 places, 86 transitions, 250 flow [2023-08-31 21:51:09,161 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=709, PETRI_DIFFERENCE_MINUEND_FLOW=227, PETRI_DIFFERENCE_MINUEND_PLACES=93, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=85, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=80, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=250, PETRI_PLACES=99, PETRI_TRANSITIONS=86} [2023-08-31 21:51:09,162 INFO L281 CegarLoopForPetriNet]: 127 programPoint places, -28 predicate places. [2023-08-31 21:51:09,162 INFO L495 AbstractCegarLoop]: Abstraction has has 99 places, 86 transitions, 250 flow [2023-08-31 21:51:09,162 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 328.6) internal successors, (1643), 5 states have internal predecessors, (1643), 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) [2023-08-31 21:51:09,163 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:51:09,163 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] [2023-08-31 21:51:09,168 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-08-31 21:51:09,367 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-08-31 21:51:09,368 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2023-08-31 21:51:09,368 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:51:09,368 INFO L85 PathProgramCache]: Analyzing trace with hash -1254627050, now seen corresponding path program 1 times [2023-08-31 21:51:09,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:51:09,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1387873504] [2023-08-31 21:51:09,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:51:09,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:51:09,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:51:09,663 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-08-31 21:51:09,663 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:51:09,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1387873504] [2023-08-31 21:51:09,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1387873504] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:51:09,664 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:51:09,664 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-31 21:51:09,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183304096] [2023-08-31 21:51:09,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:51:09,667 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-31 21:51:09,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:51:09,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-31 21:51:09,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-31 21:51:09,944 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 325 out of 709 [2023-08-31 21:51:09,946 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 86 transitions, 250 flow. Second operand has 6 states, 6 states have (on average 328.3333333333333) internal successors, (1970), 6 states have internal predecessors, (1970), 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) [2023-08-31 21:51:09,946 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:51:09,946 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 325 of 709 [2023-08-31 21:51:09,946 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:51:10,447 INFO L130 PetriNetUnfolder]: 2244/4894 cut-off events. [2023-08-31 21:51:10,447 INFO L131 PetriNetUnfolder]: For 1573/1983 co-relation queries the response was YES. [2023-08-31 21:51:10,455 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10022 conditions, 4894 events. 2244/4894 cut-off events. For 1573/1983 co-relation queries the response was YES. Maximal size of possible extension queue 222. Compared 38881 event pairs, 1287 based on Foata normal form. 302/4812 useless extension candidates. Maximal degree in co-relation 10010. Up to 2697 conditions per place. [2023-08-31 21:51:10,464 INFO L137 encePairwiseOnDemand]: 704/709 looper letters, 88 selfloop transitions, 4 changer transitions 0/133 dead transitions. [2023-08-31 21:51:10,465 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 133 transitions, 572 flow [2023-08-31 21:51:10,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-31 21:51:10,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-31 21:51:10,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2031 transitions. [2023-08-31 21:51:10,470 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4774330042313117 [2023-08-31 21:51:10,470 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2031 transitions. [2023-08-31 21:51:10,470 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2031 transitions. [2023-08-31 21:51:10,471 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:51:10,471 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2031 transitions. [2023-08-31 21:51:10,474 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 338.5) internal successors, (2031), 6 states have internal predecessors, (2031), 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) [2023-08-31 21:51:10,479 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 709.0) internal successors, (4963), 7 states have internal predecessors, (4963), 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) [2023-08-31 21:51:10,480 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 709.0) internal successors, (4963), 7 states have internal predecessors, (4963), 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) [2023-08-31 21:51:10,480 INFO L175 Difference]: Start difference. First operand has 99 places, 86 transitions, 250 flow. Second operand 6 states and 2031 transitions. [2023-08-31 21:51:10,480 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 103 places, 133 transitions, 572 flow [2023-08-31 21:51:10,483 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 100 places, 133 transitions, 566 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-08-31 21:51:10,484 INFO L231 Difference]: Finished difference. Result has 100 places, 85 transitions, 250 flow [2023-08-31 21:51:10,484 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=709, PETRI_DIFFERENCE_MINUEND_FLOW=242, PETRI_DIFFERENCE_MINUEND_PLACES=95, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=85, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=81, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=250, PETRI_PLACES=100, PETRI_TRANSITIONS=85} [2023-08-31 21:51:10,485 INFO L281 CegarLoopForPetriNet]: 127 programPoint places, -27 predicate places. [2023-08-31 21:51:10,485 INFO L495 AbstractCegarLoop]: Abstraction has has 100 places, 85 transitions, 250 flow [2023-08-31 21:51:10,486 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 328.3333333333333) internal successors, (1970), 6 states have internal predecessors, (1970), 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) [2023-08-31 21:51:10,486 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:51:10,486 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, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:51:10,486 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-08-31 21:51:10,486 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2023-08-31 21:51:10,486 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:51:10,487 INFO L85 PathProgramCache]: Analyzing trace with hash -11730671, now seen corresponding path program 1 times [2023-08-31 21:51:10,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:51:10,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778188198] [2023-08-31 21:51:10,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:51:10,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:51:10,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:51:10,803 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-08-31 21:51:10,803 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:51:10,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1778188198] [2023-08-31 21:51:10,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1778188198] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:51:10,804 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:51:10,804 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-31 21:51:10,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469003095] [2023-08-31 21:51:10,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:51:10,805 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-31 21:51:10,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:51:10,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-31 21:51:10,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-31 21:51:11,085 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 325 out of 709 [2023-08-31 21:51:11,086 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 100 places, 85 transitions, 250 flow. Second operand has 6 states, 6 states have (on average 328.8333333333333) internal successors, (1973), 6 states have internal predecessors, (1973), 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) [2023-08-31 21:51:11,086 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:51:11,086 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 325 of 709 [2023-08-31 21:51:11,086 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:51:11,477 INFO L130 PetriNetUnfolder]: 2016/4660 cut-off events. [2023-08-31 21:51:11,477 INFO L131 PetriNetUnfolder]: For 1321/1719 co-relation queries the response was YES. [2023-08-31 21:51:11,484 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9369 conditions, 4660 events. 2016/4660 cut-off events. For 1321/1719 co-relation queries the response was YES. Maximal size of possible extension queue 222. Compared 38031 event pairs, 1335 based on Foata normal form. 290/4581 useless extension candidates. Maximal degree in co-relation 9357. Up to 2802 conditions per place. [2023-08-31 21:51:11,486 INFO L137 encePairwiseOnDemand]: 704/709 looper letters, 0 selfloop transitions, 0 changer transitions 96/96 dead transitions. [2023-08-31 21:51:11,486 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 104 places, 96 transitions, 392 flow [2023-08-31 21:51:11,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-31 21:51:11,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-31 21:51:11,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1999 transitions. [2023-08-31 21:51:11,491 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4699106723084156 [2023-08-31 21:51:11,491 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1999 transitions. [2023-08-31 21:51:11,491 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1999 transitions. [2023-08-31 21:51:11,492 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:51:11,492 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1999 transitions. [2023-08-31 21:51:11,495 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 333.1666666666667) internal successors, (1999), 6 states have internal predecessors, (1999), 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) [2023-08-31 21:51:11,499 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 709.0) internal successors, (4963), 7 states have internal predecessors, (4963), 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) [2023-08-31 21:51:11,500 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 709.0) internal successors, (4963), 7 states have internal predecessors, (4963), 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) [2023-08-31 21:51:11,500 INFO L175 Difference]: Start difference. First operand has 100 places, 85 transitions, 250 flow. Second operand 6 states and 1999 transitions. [2023-08-31 21:51:11,500 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 104 places, 96 transitions, 392 flow [2023-08-31 21:51:11,505 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 100 places, 96 transitions, 385 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-31 21:51:11,506 INFO L231 Difference]: Finished difference. Result has 100 places, 0 transitions, 0 flow [2023-08-31 21:51:11,506 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=709, PETRI_DIFFERENCE_MINUEND_FLOW=241, PETRI_DIFFERENCE_MINUEND_PLACES=95, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=84, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=84, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=100, PETRI_TRANSITIONS=0} [2023-08-31 21:51:11,507 INFO L281 CegarLoopForPetriNet]: 127 programPoint places, -27 predicate places. [2023-08-31 21:51:11,507 INFO L495 AbstractCegarLoop]: Abstraction has has 100 places, 0 transitions, 0 flow [2023-08-31 21:51:11,507 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 328.8333333333333) internal successors, (1973), 6 states have internal predecessors, (1973), 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) [2023-08-31 21:51:11,509 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (78 of 79 remaining) [2023-08-31 21:51:11,510 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (77 of 79 remaining) [2023-08-31 21:51:11,510 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (76 of 79 remaining) [2023-08-31 21:51:11,510 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (75 of 79 remaining) [2023-08-31 21:51:11,510 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (74 of 79 remaining) [2023-08-31 21:51:11,510 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (73 of 79 remaining) [2023-08-31 21:51:11,510 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (72 of 79 remaining) [2023-08-31 21:51:11,511 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (71 of 79 remaining) [2023-08-31 21:51:11,511 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (70 of 79 remaining) [2023-08-31 21:51:11,511 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (69 of 79 remaining) [2023-08-31 21:51:11,511 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (68 of 79 remaining) [2023-08-31 21:51:11,511 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (67 of 79 remaining) [2023-08-31 21:51:11,511 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (66 of 79 remaining) [2023-08-31 21:51:11,511 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (65 of 79 remaining) [2023-08-31 21:51:11,512 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (64 of 79 remaining) [2023-08-31 21:51:11,512 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (63 of 79 remaining) [2023-08-31 21:51:11,512 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (62 of 79 remaining) [2023-08-31 21:51:11,512 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (61 of 79 remaining) [2023-08-31 21:51:11,512 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (60 of 79 remaining) [2023-08-31 21:51:11,512 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (59 of 79 remaining) [2023-08-31 21:51:11,513 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (58 of 79 remaining) [2023-08-31 21:51:11,513 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (57 of 79 remaining) [2023-08-31 21:51:11,513 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (56 of 79 remaining) [2023-08-31 21:51:11,513 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (55 of 79 remaining) [2023-08-31 21:51:11,513 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (54 of 79 remaining) [2023-08-31 21:51:11,513 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (53 of 79 remaining) [2023-08-31 21:51:11,514 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (52 of 79 remaining) [2023-08-31 21:51:11,514 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (51 of 79 remaining) [2023-08-31 21:51:11,514 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONDATA_RACE (50 of 79 remaining) [2023-08-31 21:51:11,514 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (49 of 79 remaining) [2023-08-31 21:51:11,514 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (48 of 79 remaining) [2023-08-31 21:51:11,514 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (47 of 79 remaining) [2023-08-31 21:51:11,514 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (46 of 79 remaining) [2023-08-31 21:51:11,515 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (45 of 79 remaining) [2023-08-31 21:51:11,515 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (44 of 79 remaining) [2023-08-31 21:51:11,515 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (43 of 79 remaining) [2023-08-31 21:51:11,515 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (42 of 79 remaining) [2023-08-31 21:51:11,515 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (41 of 79 remaining) [2023-08-31 21:51:11,515 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (40 of 79 remaining) [2023-08-31 21:51:11,515 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (39 of 79 remaining) [2023-08-31 21:51:11,516 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (38 of 79 remaining) [2023-08-31 21:51:11,516 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (37 of 79 remaining) [2023-08-31 21:51:11,516 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (36 of 79 remaining) [2023-08-31 21:51:11,516 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (35 of 79 remaining) [2023-08-31 21:51:11,516 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (34 of 79 remaining) [2023-08-31 21:51:11,516 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (33 of 79 remaining) [2023-08-31 21:51:11,517 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (32 of 79 remaining) [2023-08-31 21:51:11,517 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (31 of 79 remaining) [2023-08-31 21:51:11,517 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (30 of 79 remaining) [2023-08-31 21:51:11,517 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (29 of 79 remaining) [2023-08-31 21:51:11,517 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (28 of 79 remaining) [2023-08-31 21:51:11,517 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (27 of 79 remaining) [2023-08-31 21:51:11,517 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (26 of 79 remaining) [2023-08-31 21:51:11,518 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (25 of 79 remaining) [2023-08-31 21:51:11,518 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (24 of 79 remaining) [2023-08-31 21:51:11,518 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (23 of 79 remaining) [2023-08-31 21:51:11,518 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (22 of 79 remaining) [2023-08-31 21:51:11,518 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (21 of 79 remaining) [2023-08-31 21:51:11,518 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (20 of 79 remaining) [2023-08-31 21:51:11,519 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (19 of 79 remaining) [2023-08-31 21:51:11,519 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (18 of 79 remaining) [2023-08-31 21:51:11,519 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (17 of 79 remaining) [2023-08-31 21:51:11,519 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (16 of 79 remaining) [2023-08-31 21:51:11,519 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (15 of 79 remaining) [2023-08-31 21:51:11,519 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (14 of 79 remaining) [2023-08-31 21:51:11,520 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (13 of 79 remaining) [2023-08-31 21:51:11,520 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (12 of 79 remaining) [2023-08-31 21:51:11,520 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (11 of 79 remaining) [2023-08-31 21:51:11,520 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (10 of 79 remaining) [2023-08-31 21:51:11,520 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (9 of 79 remaining) [2023-08-31 21:51:11,520 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (8 of 79 remaining) [2023-08-31 21:51:11,520 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (7 of 79 remaining) [2023-08-31 21:51:11,521 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (6 of 79 remaining) [2023-08-31 21:51:11,521 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (5 of 79 remaining) [2023-08-31 21:51:11,521 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (4 of 79 remaining) [2023-08-31 21:51:11,521 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (3 of 79 remaining) [2023-08-31 21:51:11,521 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (2 of 79 remaining) [2023-08-31 21:51:11,521 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (1 of 79 remaining) [2023-08-31 21:51:11,522 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONDATA_RACE (0 of 79 remaining) [2023-08-31 21:51:11,522 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-08-31 21:51:11,522 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:51:11,527 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-31 21:51:11,527 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-31 21:51:11,530 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.08 09:51:11 BasicIcfg [2023-08-31 21:51:11,530 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-31 21:51:11,530 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-31 21:51:11,530 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-31 21:51:11,530 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-31 21:51:11,531 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 09:50:48" (3/4) ... [2023-08-31 21:51:11,533 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-31 21:51:11,536 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-08-31 21:51:11,536 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-08-31 21:51:11,536 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2023-08-31 21:51:11,541 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2023-08-31 21:51:11,541 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-08-31 21:51:11,542 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-08-31 21:51:11,542 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-08-31 21:51:11,578 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-31 21:51:11,578 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-31 21:51:11,579 INFO L158 Benchmark]: Toolchain (without parser) took 24841.88ms. Allocated memory was 73.4MB in the beginning and 851.4MB in the end (delta: 778.0MB). Free memory was 44.8MB in the beginning and 535.6MB in the end (delta: -490.8MB). Peak memory consumption was 287.6MB. Max. memory is 16.1GB. [2023-08-31 21:51:11,579 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 73.4MB. Free memory is still 50.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-31 21:51:11,579 INFO L158 Benchmark]: CACSL2BoogieTranslator took 327.56ms. Allocated memory is still 73.4MB. Free memory was 44.6MB in the beginning and 31.3MB in the end (delta: 13.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-08-31 21:51:11,579 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.60ms. Allocated memory is still 73.4MB. Free memory was 31.3MB in the beginning and 51.9MB in the end (delta: -20.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-31 21:51:11,580 INFO L158 Benchmark]: Boogie Preprocessor took 75.57ms. Allocated memory is still 73.4MB. Free memory was 51.9MB in the beginning and 48.7MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-31 21:51:11,580 INFO L158 Benchmark]: RCFGBuilder took 979.32ms. Allocated memory was 73.4MB in the beginning and 102.8MB in the end (delta: 29.4MB). Free memory was 48.7MB in the beginning and 49.8MB in the end (delta: -1.2MB). Peak memory consumption was 32.1MB. Max. memory is 16.1GB. [2023-08-31 21:51:11,580 INFO L158 Benchmark]: TraceAbstraction took 23324.07ms. Allocated memory was 102.8MB in the beginning and 851.4MB in the end (delta: 748.7MB). Free memory was 48.9MB in the beginning and 539.8MB in the end (delta: -490.9MB). Peak memory consumption was 556.6MB. Max. memory is 16.1GB. [2023-08-31 21:51:11,581 INFO L158 Benchmark]: Witness Printer took 48.11ms. Allocated memory is still 851.4MB. Free memory was 539.8MB in the beginning and 535.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-31 21:51:11,582 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 73.4MB. Free memory is still 50.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 327.56ms. Allocated memory is still 73.4MB. Free memory was 44.6MB in the beginning and 31.3MB in the end (delta: 13.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.60ms. Allocated memory is still 73.4MB. Free memory was 31.3MB in the beginning and 51.9MB in the end (delta: -20.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 75.57ms. Allocated memory is still 73.4MB. Free memory was 51.9MB in the beginning and 48.7MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 979.32ms. Allocated memory was 73.4MB in the beginning and 102.8MB in the end (delta: 29.4MB). Free memory was 48.7MB in the beginning and 49.8MB in the end (delta: -1.2MB). Peak memory consumption was 32.1MB. Max. memory is 16.1GB. * TraceAbstraction took 23324.07ms. Allocated memory was 102.8MB in the beginning and 851.4MB in the end (delta: 748.7MB). Free memory was 48.9MB in the beginning and 539.8MB in the end (delta: -490.9MB). Peak memory consumption was 556.6MB. Max. memory is 16.1GB. * Witness Printer took 48.11ms. Allocated memory is still 851.4MB. Free memory was 539.8MB in the beginning and 535.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 10.1s, 337 PlacesBefore, 127 PlacesAfterwards, 345 TransitionsBefore, 127 TransitionsAfterwards, 26082 CoEnabledTransitionPairs, 9 FixpointIterations, 157 TrivialSequentialCompositions, 131 ConcurrentSequentialCompositions, 15 TrivialYvCompositions, 29 ConcurrentYvCompositions, 8 ChoiceCompositions, 340 TotalNumberOfCompositions, 134949 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 33598, independent: 32056, independent conditional: 0, independent unconditional: 32056, dependent: 1542, dependent conditional: 0, dependent unconditional: 1542, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 13265, independent: 13076, independent conditional: 0, independent unconditional: 13076, dependent: 189, dependent conditional: 0, dependent unconditional: 189, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 33598, independent: 18980, independent conditional: 0, independent unconditional: 18980, dependent: 1353, dependent conditional: 0, dependent unconditional: 1353, unknown: 13265, unknown conditional: 0, unknown unconditional: 13265] , Statistics on independence cache: Total cache size (in pairs): 1233, Positive cache size: 1107, Positive conditional cache size: 0, Positive unconditional cache size: 1107, Negative cache size: 126, Negative conditional cache size: 0, Negative unconditional cache size: 126, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 47]: 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: 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: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 103]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: 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: 88]: 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: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: 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, 515 locations, 79 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: 23.1s, OverallIterations: 12, TraceHistogramMax: 2, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 9.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 10.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2085 SdHoareTripleChecker+Valid, 3.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1437 mSDsluCounter, 433 SdHoareTripleChecker+Invalid, 3.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 349 mSDsCounter, 612 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4308 IncrementalHoareTripleChecker+Invalid, 4920 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 612 mSolverCounterUnsat, 84 mSDtfsCounter, 4308 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 121 GetRequests, 75 SyntacticMatches, 2 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=272occurred in iteration=0, InterpolantAutomatonStates: 56, 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: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 234 NumberOfCodeBlocks, 234 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 257 ConstructedInterpolants, 0 QuantifiedInterpolants, 896 SizeOfPredicates, 11 NumberOfNonLiveVariables, 444 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 16 InterpolantComputations, 11 PerfectInterpolantSequences, 12/17 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 47 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-31 21:51:11,605 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