./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/weaver/popl20-more-array-sum2.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-array-sum2.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 9eb5d9094342cfaa74d8ea4903febd735be5757c093d69b0f8dbb2a26886fda6 --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 21:49:36,448 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-31 21:49:36,450 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-31 21:49:36,480 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-31 21:49:36,481 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-31 21:49:36,483 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-31 21:49:36,485 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-31 21:49:36,487 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-31 21:49:36,488 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-31 21:49:36,491 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-31 21:49:36,492 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-31 21:49:36,493 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-31 21:49:36,494 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-31 21:49:36,495 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-31 21:49:36,496 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-31 21:49:36,498 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-31 21:49:36,499 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-31 21:49:36,500 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-31 21:49:36,503 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-31 21:49:36,504 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-31 21:49:36,505 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-31 21:49:36,506 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-31 21:49:36,506 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-31 21:49:36,516 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-31 21:49:36,518 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-31 21:49:36,521 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-31 21:49:36,521 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-31 21:49:36,522 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-31 21:49:36,523 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-31 21:49:36,523 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-31 21:49:36,523 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-31 21:49:36,524 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-31 21:49:36,524 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-31 21:49:36,525 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-31 21:49:36,525 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-31 21:49:36,525 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-31 21:49:36,526 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-31 21:49:36,526 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-31 21:49:36,526 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-31 21:49:36,527 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-31 21:49:36,527 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-31 21:49:36,528 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-31 21:49:36,554 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-31 21:49:36,554 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-31 21:49:36,555 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-31 21:49:36,555 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-31 21:49:36,556 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-31 21:49:36,556 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-31 21:49:36,557 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-31 21:49:36,557 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-31 21:49:36,557 INFO L138 SettingsManager]: * Use SBE=true [2023-08-31 21:49:36,557 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-31 21:49:36,558 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-31 21:49:36,558 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-31 21:49:36,558 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-31 21:49:36,558 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-31 21:49:36,558 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-31 21:49:36,558 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-31 21:49:36,558 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-31 21:49:36,558 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-31 21:49:36,559 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-31 21:49:36,559 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-31 21:49:36,559 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-31 21:49:36,559 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-31 21:49:36,559 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-31 21:49:36,559 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-31 21:49:36,559 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-31 21:49:36,560 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-31 21:49:36,560 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-31 21:49:36,560 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-31 21:49:36,560 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-31 21:49:36,560 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-31 21:49:36,560 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-31 21:49:36,560 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-31 21:49:36,561 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-31 21:49:36,561 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-31 21:49:36,561 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-31 21:49:36,561 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-31 21:49:36,561 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-31 21:49:36,561 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9eb5d9094342cfaa74d8ea4903febd735be5757c093d69b0f8dbb2a26886fda6 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> BEFORE [2023-08-31 21:49:36,857 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-31 21:49:36,871 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-31 21:49:36,873 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-31 21:49:36,874 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-31 21:49:36,874 INFO L275 PluginConnector]: CDTParser initialized [2023-08-31 21:49:36,875 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-more-array-sum2.wvr.c [2023-08-31 21:49:37,872 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-31 21:49:38,033 INFO L351 CDTParser]: Found 1 translation units. [2023-08-31 21:49:38,034 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-array-sum2.wvr.c [2023-08-31 21:49:38,040 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9edadc166/3452b1b149f641d5851de61b372617b0/FLAG814b1bb8f [2023-08-31 21:49:38,050 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9edadc166/3452b1b149f641d5851de61b372617b0 [2023-08-31 21:49:38,051 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-31 21:49:38,052 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-31 21:49:38,053 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-31 21:49:38,053 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-31 21:49:38,055 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-31 21:49:38,055 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 09:49:38" (1/1) ... [2023-08-31 21:49:38,056 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26cdc1e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:49:38, skipping insertion in model container [2023-08-31 21:49:38,056 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 09:49:38" (1/1) ... [2023-08-31 21:49:38,060 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-31 21:49:38,069 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-31 21:49:38,169 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-array-sum2.wvr.c[2599,2612] [2023-08-31 21:49:38,173 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-31 21:49:38,178 INFO L203 MainTranslator]: Completed pre-run [2023-08-31 21:49:38,196 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-array-sum2.wvr.c[2599,2612] [2023-08-31 21:49:38,199 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-31 21:49:38,204 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-31 21:49:38,204 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-31 21:49:38,208 INFO L208 MainTranslator]: Completed translation [2023-08-31 21:49:38,209 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:49:38 WrapperNode [2023-08-31 21:49:38,209 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-31 21:49:38,209 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-31 21:49:38,210 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-31 21:49:38,210 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-31 21:49:38,213 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:49:38" (1/1) ... [2023-08-31 21:49:38,221 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:49:38" (1/1) ... [2023-08-31 21:49:38,270 INFO L138 Inliner]: procedures = 25, calls = 52, calls flagged for inlining = 16, calls inlined = 28, statements flattened = 406 [2023-08-31 21:49:38,272 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-31 21:49:38,273 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-31 21:49:38,273 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-31 21:49:38,273 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-31 21:49:38,279 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:49:38" (1/1) ... [2023-08-31 21:49:38,280 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:49:38" (1/1) ... [2023-08-31 21:49:38,291 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:49:38" (1/1) ... [2023-08-31 21:49:38,292 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:49:38" (1/1) ... [2023-08-31 21:49:38,302 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:49:38" (1/1) ... [2023-08-31 21:49:38,318 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:49:38" (1/1) ... [2023-08-31 21:49:38,321 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:49:38" (1/1) ... [2023-08-31 21:49:38,324 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:49:38" (1/1) ... [2023-08-31 21:49:38,327 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-31 21:49:38,328 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-31 21:49:38,329 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-31 21:49:38,329 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-31 21:49:38,330 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:49:38" (1/1) ... [2023-08-31 21:49:38,334 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-31 21:49:38,341 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-31 21:49:38,349 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 21:49:38,377 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 21:49:38,384 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-31 21:49:38,385 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-31 21:49:38,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-31 21:49:38,385 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-31 21:49:38,394 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-31 21:49:38,394 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-31 21:49:38,395 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-31 21:49:38,395 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-31 21:49:38,395 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-08-31 21:49:38,395 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-08-31 21:49:38,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-31 21:49:38,395 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-31 21:49:38,395 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-31 21:49:38,395 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-31 21:49:38,395 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-31 21:49:38,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-31 21:49:38,396 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-31 21:49:38,398 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 21:49:38,487 INFO L236 CfgBuilder]: Building ICFG [2023-08-31 21:49:38,488 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-31 21:49:38,990 INFO L277 CfgBuilder]: Performing block encoding [2023-08-31 21:49:39,256 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-31 21:49:39,256 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-08-31 21:49:39,259 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 09:49:39 BoogieIcfgContainer [2023-08-31 21:49:39,259 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-31 21:49:39,260 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-31 21:49:39,260 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-31 21:49:39,262 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-31 21:49:39,262 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.08 09:49:38" (1/3) ... [2023-08-31 21:49:39,263 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ba13feb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.08 09:49:39, skipping insertion in model container [2023-08-31 21:49:39,263 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:49:38" (2/3) ... [2023-08-31 21:49:39,263 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ba13feb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.08 09:49:39, skipping insertion in model container [2023-08-31 21:49:39,263 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 09:49:39" (3/3) ... [2023-08-31 21:49:39,264 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-array-sum2.wvr.c [2023-08-31 21:49:39,270 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-31 21:49:39,275 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-31 21:49:39,275 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 38 error locations. [2023-08-31 21:49:39,276 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-31 21:49:39,341 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-08-31 21:49:39,372 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 281 places, 288 transitions, 600 flow [2023-08-31 21:49:39,474 INFO L130 PetriNetUnfolder]: 17/285 cut-off events. [2023-08-31 21:49:39,475 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2023-08-31 21:49:39,480 INFO L83 FinitePrefix]: Finished finitePrefix Result has 298 conditions, 285 events. 17/285 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 316 event pairs, 0 based on Foata normal form. 0/230 useless extension candidates. Maximal degree in co-relation 215. Up to 2 conditions per place. [2023-08-31 21:49:39,480 INFO L82 GeneralOperation]: Start removeDead. Operand has 281 places, 288 transitions, 600 flow [2023-08-31 21:49:39,487 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 262 places, 268 transitions, 554 flow [2023-08-31 21:49:39,489 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-31 21:49:39,507 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 262 places, 268 transitions, 554 flow [2023-08-31 21:49:39,509 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 262 places, 268 transitions, 554 flow [2023-08-31 21:49:39,509 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 262 places, 268 transitions, 554 flow [2023-08-31 21:49:39,547 INFO L130 PetriNetUnfolder]: 16/268 cut-off events. [2023-08-31 21:49:39,548 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2023-08-31 21:49:39,549 INFO L83 FinitePrefix]: Finished finitePrefix Result has 281 conditions, 268 events. 16/268 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 314 event pairs, 0 based on Foata normal form. 0/215 useless extension candidates. Maximal degree in co-relation 215. Up to 2 conditions per place. [2023-08-31 21:49:39,552 INFO L119 LiptonReduction]: Number of co-enabled transitions 5292 [2023-08-31 21:49:53,998 INFO L134 LiptonReduction]: Checked pairs total: 31690 [2023-08-31 21:49:53,998 INFO L136 LiptonReduction]: Total number of compositions: 273 [2023-08-31 21:49:54,018 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-31 21:49:54,022 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;@700157a2, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-31 21:49:54,023 INFO L358 AbstractCegarLoop]: Starting to check reachability of 63 error locations. [2023-08-31 21:49:54,024 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2023-08-31 21:49:54,024 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-31 21:49:54,024 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:49:54,024 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-31 21:49:54,025 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2023-08-31 21:49:54,029 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:49:54,029 INFO L85 PathProgramCache]: Analyzing trace with hash 1495, now seen corresponding path program 1 times [2023-08-31 21:49:54,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:49:54,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2141892775] [2023-08-31 21:49:54,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:49:54,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:49:54,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:49:54,103 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 21:49:54,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:49:54,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2141892775] [2023-08-31 21:49:54,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2141892775] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:49:54,105 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:49:54,105 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-31 21:49:54,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155498947] [2023-08-31 21:49:54,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:49:54,111 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-31 21:49:54,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:49:54,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-31 21:49:54,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-31 21:49:54,152 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 249 out of 561 [2023-08-31 21:49:54,155 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 87 places, 85 transitions, 188 flow. Second operand has 2 states, 2 states have (on average 249.5) internal successors, (499), 2 states have internal predecessors, (499), 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 21:49:54,156 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:49:54,156 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 249 of 561 [2023-08-31 21:49:54,156 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:49:54,279 INFO L130 PetriNetUnfolder]: 334/801 cut-off events. [2023-08-31 21:49:54,279 INFO L131 PetriNetUnfolder]: For 46/46 co-relation queries the response was YES. [2023-08-31 21:49:54,281 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1315 conditions, 801 events. 334/801 cut-off events. For 46/46 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 4790 event pairs, 176 based on Foata normal form. 156/795 useless extension candidates. Maximal degree in co-relation 1077. Up to 463 conditions per place. [2023-08-31 21:49:54,284 INFO L137 encePairwiseOnDemand]: 527/561 looper letters, 23 selfloop transitions, 0 changer transitions 1/51 dead transitions. [2023-08-31 21:49:54,284 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 51 transitions, 168 flow [2023-08-31 21:49:54,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-31 21:49:54,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-31 21:49:54,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 556 transitions. [2023-08-31 21:49:54,294 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.49554367201426025 [2023-08-31 21:49:54,295 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 556 transitions. [2023-08-31 21:49:54,295 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 556 transitions. [2023-08-31 21:49:54,296 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:49:54,298 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 556 transitions. [2023-08-31 21:49:54,300 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 278.0) internal successors, (556), 2 states have internal predecessors, (556), 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 21:49:54,303 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 561.0) internal successors, (1683), 3 states have internal predecessors, (1683), 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 21:49:54,304 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 561.0) internal successors, (1683), 3 states have internal predecessors, (1683), 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 21:49:54,305 INFO L175 Difference]: Start difference. First operand has 87 places, 85 transitions, 188 flow. Second operand 2 states and 556 transitions. [2023-08-31 21:49:54,305 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 51 transitions, 168 flow [2023-08-31 21:49:54,308 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 51 transitions, 156 flow, removed 0 selfloop flow, removed 6 redundant places. [2023-08-31 21:49:54,309 INFO L231 Difference]: Finished difference. Result has 51 places, 50 transitions, 105 flow [2023-08-31 21:49:54,310 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=561, PETRI_DIFFERENCE_MINUEND_FLOW=108, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=51, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=51, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=105, PETRI_PLACES=51, PETRI_TRANSITIONS=50} [2023-08-31 21:49:54,312 INFO L281 CegarLoopForPetriNet]: 87 programPoint places, -36 predicate places. [2023-08-31 21:49:54,312 INFO L495 AbstractCegarLoop]: Abstraction has has 51 places, 50 transitions, 105 flow [2023-08-31 21:49:54,313 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 249.5) internal successors, (499), 2 states have internal predecessors, (499), 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 21:49:54,313 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:49:54,313 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:49:54,313 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-31 21:49:54,314 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2023-08-31 21:49:54,314 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:49:54,314 INFO L85 PathProgramCache]: Analyzing trace with hash 342216510, now seen corresponding path program 1 times [2023-08-31 21:49:54,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:49:54,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663073309] [2023-08-31 21:49:54,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:49:54,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:49:54,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:49:54,407 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 21:49:54,408 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:49:54,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1663073309] [2023-08-31 21:49:54,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1663073309] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:49:54,408 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:49:54,408 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 21:49:54,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1625265816] [2023-08-31 21:49:54,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:49:54,409 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 21:49:54,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:49:54,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 21:49:54,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 21:49:54,428 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 233 out of 561 [2023-08-31 21:49:54,429 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 50 transitions, 105 flow. Second operand has 3 states, 3 states have (on average 235.0) internal successors, (705), 3 states have internal predecessors, (705), 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 21:49:54,429 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:49:54,429 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 233 of 561 [2023-08-31 21:49:54,429 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:49:54,546 INFO L130 PetriNetUnfolder]: 580/1111 cut-off events. [2023-08-31 21:49:54,546 INFO L131 PetriNetUnfolder]: For 20/20 co-relation queries the response was YES. [2023-08-31 21:49:54,548 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1945 conditions, 1111 events. 580/1111 cut-off events. For 20/20 co-relation queries the response was YES. Maximal size of possible extension queue 97. Compared 6073 event pairs, 364 based on Foata normal form. 0/939 useless extension candidates. Maximal degree in co-relation 1942. Up to 810 conditions per place. [2023-08-31 21:49:54,551 INFO L137 encePairwiseOnDemand]: 558/561 looper letters, 25 selfloop transitions, 1 changer transitions 0/48 dead transitions. [2023-08-31 21:49:54,551 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 48 transitions, 153 flow [2023-08-31 21:49:54,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 21:49:54,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 21:49:54,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 727 transitions. [2023-08-31 21:49:54,577 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.43196672608437314 [2023-08-31 21:49:54,577 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 727 transitions. [2023-08-31 21:49:54,577 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 727 transitions. [2023-08-31 21:49:54,578 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:49:54,578 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 727 transitions. [2023-08-31 21:49:54,579 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 242.33333333333334) internal successors, (727), 3 states have internal predecessors, (727), 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 21:49:54,583 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 561.0) internal successors, (2244), 4 states have internal predecessors, (2244), 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 21:49:54,583 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 561.0) internal successors, (2244), 4 states have internal predecessors, (2244), 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 21:49:54,583 INFO L175 Difference]: Start difference. First operand has 51 places, 50 transitions, 105 flow. Second operand 3 states and 727 transitions. [2023-08-31 21:49:54,584 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 48 transitions, 153 flow [2023-08-31 21:49:54,584 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 48 transitions, 153 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-31 21:49:54,585 INFO L231 Difference]: Finished difference. Result has 50 places, 48 transitions, 103 flow [2023-08-31 21:49:54,585 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=561, PETRI_DIFFERENCE_MINUEND_FLOW=101, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=47, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=103, PETRI_PLACES=50, PETRI_TRANSITIONS=48} [2023-08-31 21:49:54,586 INFO L281 CegarLoopForPetriNet]: 87 programPoint places, -37 predicate places. [2023-08-31 21:49:54,586 INFO L495 AbstractCegarLoop]: Abstraction has has 50 places, 48 transitions, 103 flow [2023-08-31 21:49:54,586 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 235.0) internal successors, (705), 3 states have internal predecessors, (705), 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 21:49:54,586 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:49:54,587 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:49:54,587 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-31 21:49:54,587 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2023-08-31 21:49:54,587 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:49:54,587 INFO L85 PathProgramCache]: Analyzing trace with hash -1580114292, now seen corresponding path program 1 times [2023-08-31 21:49:54,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:49:54,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565361394] [2023-08-31 21:49:54,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:49:54,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:49:54,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:49:54,631 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 21:49:54,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:49:54,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565361394] [2023-08-31 21:49:54,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [565361394] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:49:54,632 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:49:54,648 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 21:49:54,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312915779] [2023-08-31 21:49:54,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:49:54,649 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 21:49:54,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:49:54,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 21:49:54,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 21:49:54,662 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 236 out of 561 [2023-08-31 21:49:54,663 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 48 transitions, 103 flow. Second operand has 3 states, 3 states have (on average 238.66666666666666) internal successors, (716), 3 states have internal predecessors, (716), 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 21:49:54,663 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:49:54,663 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 236 of 561 [2023-08-31 21:49:54,663 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:49:54,797 INFO L130 PetriNetUnfolder]: 623/1258 cut-off events. [2023-08-31 21:49:54,797 INFO L131 PetriNetUnfolder]: For 24/24 co-relation queries the response was YES. [2023-08-31 21:49:54,799 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2166 conditions, 1258 events. 623/1258 cut-off events. For 24/24 co-relation queries the response was YES. Maximal size of possible extension queue 84. Compared 7158 event pairs, 418 based on Foata normal form. 0/1032 useless extension candidates. Maximal degree in co-relation 2162. Up to 874 conditions per place. [2023-08-31 21:49:54,802 INFO L137 encePairwiseOnDemand]: 558/561 looper letters, 25 selfloop transitions, 1 changer transitions 0/46 dead transitions. [2023-08-31 21:49:54,802 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 46 transitions, 151 flow [2023-08-31 21:49:54,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 21:49:54,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 21:49:54,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 736 transitions. [2023-08-31 21:49:54,804 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.43731431966726086 [2023-08-31 21:49:54,804 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 736 transitions. [2023-08-31 21:49:54,804 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 736 transitions. [2023-08-31 21:49:54,805 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:49:54,805 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 736 transitions. [2023-08-31 21:49:54,806 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 245.33333333333334) internal successors, (736), 3 states have internal predecessors, (736), 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 21:49:54,809 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 561.0) internal successors, (2244), 4 states have internal predecessors, (2244), 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 21:49:54,809 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 561.0) internal successors, (2244), 4 states have internal predecessors, (2244), 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 21:49:54,810 INFO L175 Difference]: Start difference. First operand has 50 places, 48 transitions, 103 flow. Second operand 3 states and 736 transitions. [2023-08-31 21:49:54,810 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 46 transitions, 151 flow [2023-08-31 21:49:54,810 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 46 transitions, 150 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-31 21:49:54,811 INFO L231 Difference]: Finished difference. Result has 49 places, 46 transitions, 100 flow [2023-08-31 21:49:54,811 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=561, PETRI_DIFFERENCE_MINUEND_FLOW=98, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=45, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=100, PETRI_PLACES=49, PETRI_TRANSITIONS=46} [2023-08-31 21:49:54,812 INFO L281 CegarLoopForPetriNet]: 87 programPoint places, -38 predicate places. [2023-08-31 21:49:54,812 INFO L495 AbstractCegarLoop]: Abstraction has has 49 places, 46 transitions, 100 flow [2023-08-31 21:49:54,812 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 238.66666666666666) internal successors, (716), 3 states have internal predecessors, (716), 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 21:49:54,812 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:49:54,813 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:49:54,813 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-31 21:49:54,813 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2023-08-31 21:49:54,813 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:49:54,813 INFO L85 PathProgramCache]: Analyzing trace with hash -64677056, now seen corresponding path program 1 times [2023-08-31 21:49:54,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:49:54,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1211047999] [2023-08-31 21:49:54,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:49:54,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:49:54,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:49:54,940 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 21:49:54,941 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:49:54,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1211047999] [2023-08-31 21:49:54,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1211047999] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:49:54,941 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:49:54,941 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-31 21:49:54,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309336832] [2023-08-31 21:49:54,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:49:54,942 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-31 21:49:54,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:49:54,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-31 21:49:54,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-08-31 21:49:55,006 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 239 out of 561 [2023-08-31 21:49:55,007 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 46 transitions, 100 flow. Second operand has 4 states, 4 states have (on average 241.25) internal successors, (965), 4 states have internal predecessors, (965), 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 21:49:55,008 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:49:55,008 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 239 of 561 [2023-08-31 21:49:55,008 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:49:55,164 INFO L130 PetriNetUnfolder]: 334/765 cut-off events. [2023-08-31 21:49:55,165 INFO L131 PetriNetUnfolder]: For 12/12 co-relation queries the response was YES. [2023-08-31 21:49:55,166 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1252 conditions, 765 events. 334/765 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 4351 event pairs, 176 based on Foata normal form. 3/625 useless extension candidates. Maximal degree in co-relation 1248. Up to 462 conditions per place. [2023-08-31 21:49:55,169 INFO L137 encePairwiseOnDemand]: 556/561 looper letters, 21 selfloop transitions, 4 changer transitions 1/49 dead transitions. [2023-08-31 21:49:55,172 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 49 transitions, 158 flow [2023-08-31 21:49:55,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-08-31 21:49:55,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-08-31 21:49:55,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 985 transitions. [2023-08-31 21:49:55,174 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.43894830659536543 [2023-08-31 21:49:55,174 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 985 transitions. [2023-08-31 21:49:55,174 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 985 transitions. [2023-08-31 21:49:55,175 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:49:55,175 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 985 transitions. [2023-08-31 21:49:55,177 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 246.25) internal successors, (985), 4 states have internal predecessors, (985), 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 21:49:55,180 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 561.0) internal successors, (2805), 5 states have internal predecessors, (2805), 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 21:49:55,181 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 561.0) internal successors, (2805), 5 states have internal predecessors, (2805), 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 21:49:55,181 INFO L175 Difference]: Start difference. First operand has 49 places, 46 transitions, 100 flow. Second operand 4 states and 985 transitions. [2023-08-31 21:49:55,181 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 49 transitions, 158 flow [2023-08-31 21:49:55,182 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 49 transitions, 157 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-31 21:49:55,183 INFO L231 Difference]: Finished difference. Result has 53 places, 48 transitions, 125 flow [2023-08-31 21:49:55,183 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=561, PETRI_DIFFERENCE_MINUEND_FLOW=99, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=125, PETRI_PLACES=53, PETRI_TRANSITIONS=48} [2023-08-31 21:49:55,185 INFO L281 CegarLoopForPetriNet]: 87 programPoint places, -34 predicate places. [2023-08-31 21:49:55,185 INFO L495 AbstractCegarLoop]: Abstraction has has 53 places, 48 transitions, 125 flow [2023-08-31 21:49:55,186 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 241.25) internal successors, (965), 4 states have internal predecessors, (965), 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 21:49:55,186 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:49:55,186 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:49:55,186 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-31 21:49:55,186 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2023-08-31 21:49:55,187 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:49:55,187 INFO L85 PathProgramCache]: Analyzing trace with hash 1757887805, now seen corresponding path program 1 times [2023-08-31 21:49:55,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:49:55,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598380690] [2023-08-31 21:49:55,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:49:55,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:49:55,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:49:55,467 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-08-31 21:49:55,467 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:49:55,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [598380690] [2023-08-31 21:49:55,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [598380690] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:49:55,468 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:49:55,468 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-31 21:49:55,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304287159] [2023-08-31 21:49:55,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:49:55,468 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-31 21:49:55,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:49:55,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-31 21:49:55,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-31 21:49:55,588 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 232 out of 561 [2023-08-31 21:49:55,589 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 48 transitions, 125 flow. Second operand has 6 states, 6 states have (on average 234.5) internal successors, (1407), 6 states have internal predecessors, (1407), 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 21:49:55,589 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:49:55,589 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 232 of 561 [2023-08-31 21:49:55,589 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:49:56,092 INFO L130 PetriNetUnfolder]: 850/1244 cut-off events. [2023-08-31 21:49:56,092 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2023-08-31 21:49:56,094 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2403 conditions, 1244 events. 850/1244 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 88. Compared 5682 event pairs, 73 based on Foata normal form. 0/1090 useless extension candidates. Maximal degree in co-relation 2397. Up to 402 conditions per place. [2023-08-31 21:49:56,099 INFO L137 encePairwiseOnDemand]: 556/561 looper letters, 57 selfloop transitions, 4 changer transitions 0/79 dead transitions. [2023-08-31 21:49:56,099 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 79 transitions, 309 flow [2023-08-31 21:49:56,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-31 21:49:56,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-31 21:49:56,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1452 transitions. [2023-08-31 21:49:56,103 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.43137254901960786 [2023-08-31 21:49:56,103 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1452 transitions. [2023-08-31 21:49:56,103 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1452 transitions. [2023-08-31 21:49:56,104 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:49:56,104 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1452 transitions. [2023-08-31 21:49:56,106 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 242.0) internal successors, (1452), 6 states have internal predecessors, (1452), 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 21:49:56,110 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 561.0) internal successors, (3927), 7 states have internal predecessors, (3927), 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 21:49:56,112 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 561.0) internal successors, (3927), 7 states have internal predecessors, (3927), 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 21:49:56,112 INFO L175 Difference]: Start difference. First operand has 53 places, 48 transitions, 125 flow. Second operand 6 states and 1452 transitions. [2023-08-31 21:49:56,112 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 79 transitions, 309 flow [2023-08-31 21:49:56,113 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 79 transitions, 301 flow, removed 2 selfloop flow, removed 2 redundant places. [2023-08-31 21:49:56,114 INFO L231 Difference]: Finished difference. Result has 54 places, 47 transitions, 123 flow [2023-08-31 21:49:56,114 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=561, PETRI_DIFFERENCE_MINUEND_FLOW=115, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=47, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=123, PETRI_PLACES=54, PETRI_TRANSITIONS=47} [2023-08-31 21:49:56,115 INFO L281 CegarLoopForPetriNet]: 87 programPoint places, -33 predicate places. [2023-08-31 21:49:56,115 INFO L495 AbstractCegarLoop]: Abstraction has has 54 places, 47 transitions, 123 flow [2023-08-31 21:49:56,116 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 234.5) internal successors, (1407), 6 states have internal predecessors, (1407), 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 21:49:56,116 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:49:56,116 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:49:56,116 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-31 21:49:56,116 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2023-08-31 21:49:56,117 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:49:56,117 INFO L85 PathProgramCache]: Analyzing trace with hash -597751793, now seen corresponding path program 1 times [2023-08-31 21:49:56,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:49:56,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923304608] [2023-08-31 21:49:56,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:49:56,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:49:56,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:49:56,214 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-08-31 21:49:56,214 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:49:56,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [923304608] [2023-08-31 21:49:56,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [923304608] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-31 21:49:56,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1365868696] [2023-08-31 21:49:56,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:49:56,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-31 21:49:56,215 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-31 21:49:56,238 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 21:49:56,258 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 21:49:56,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:49:56,342 INFO L263 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 6 conjunts are in the unsatisfiable core [2023-08-31 21:49:56,346 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-08-31 21:49:56,401 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-08-31 21:49:56,402 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-08-31 21:49:56,430 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-08-31 21:49:56,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1365868696] provided 1 perfect and 1 imperfect interpolant sequences [2023-08-31 21:49:56,430 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-08-31 21:49:56,431 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5, 4] total 9 [2023-08-31 21:49:56,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204663373] [2023-08-31 21:49:56,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:49:56,431 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-08-31 21:49:56,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:49:56,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-08-31 21:49:56,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2023-08-31 21:49:56,501 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 231 out of 561 [2023-08-31 21:49:56,502 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 47 transitions, 123 flow. Second operand has 5 states, 5 states have (on average 234.0) internal successors, (1170), 5 states have internal predecessors, (1170), 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 21:49:56,502 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:49:56,502 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 231 of 561 [2023-08-31 21:49:56,503 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:49:56,634 INFO L130 PetriNetUnfolder]: 377/753 cut-off events. [2023-08-31 21:49:56,634 INFO L131 PetriNetUnfolder]: For 48/48 co-relation queries the response was YES. [2023-08-31 21:49:56,636 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1429 conditions, 753 events. 377/753 cut-off events. For 48/48 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 3741 event pairs, 101 based on Foata normal form. 0/685 useless extension candidates. Maximal degree in co-relation 1424. Up to 322 conditions per place. [2023-08-31 21:49:56,638 INFO L137 encePairwiseOnDemand]: 555/561 looper letters, 32 selfloop transitions, 5 changer transitions 0/58 dead transitions. [2023-08-31 21:49:56,638 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 58 transitions, 223 flow [2023-08-31 21:49:56,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-31 21:49:56,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-31 21:49:56,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1192 transitions. [2023-08-31 21:49:56,643 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4249554367201426 [2023-08-31 21:49:56,643 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1192 transitions. [2023-08-31 21:49:56,643 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1192 transitions. [2023-08-31 21:49:56,643 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:49:56,643 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1192 transitions. [2023-08-31 21:49:56,645 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 238.4) internal successors, (1192), 5 states have internal predecessors, (1192), 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 21:49:56,648 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 561.0) internal successors, (3366), 6 states have internal predecessors, (3366), 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 21:49:56,648 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 561.0) internal successors, (3366), 6 states have internal predecessors, (3366), 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 21:49:56,649 INFO L175 Difference]: Start difference. First operand has 54 places, 47 transitions, 123 flow. Second operand 5 states and 1192 transitions. [2023-08-31 21:49:56,649 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 58 transitions, 223 flow [2023-08-31 21:49:56,650 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 58 transitions, 214 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-31 21:49:56,650 INFO L231 Difference]: Finished difference. Result has 56 places, 48 transitions, 139 flow [2023-08-31 21:49:56,651 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=561, PETRI_DIFFERENCE_MINUEND_FLOW=116, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=47, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=139, PETRI_PLACES=56, PETRI_TRANSITIONS=48} [2023-08-31 21:49:56,651 INFO L281 CegarLoopForPetriNet]: 87 programPoint places, -31 predicate places. [2023-08-31 21:49:56,651 INFO L495 AbstractCegarLoop]: Abstraction has has 56 places, 48 transitions, 139 flow [2023-08-31 21:49:56,652 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 234.0) internal successors, (1170), 5 states have internal predecessors, (1170), 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 21:49:56,652 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:49:56,652 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] [2023-08-31 21:49:56,676 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 21:49:56,866 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-08-31 21:49:56,867 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2023-08-31 21:49:56,867 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:49:56,867 INFO L85 PathProgramCache]: Analyzing trace with hash 1023835403, now seen corresponding path program 1 times [2023-08-31 21:49:56,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:49:56,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834770118] [2023-08-31 21:49:56,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:49:56,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:49:56,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:49:57,145 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-08-31 21:49:57,146 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:49:57,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1834770118] [2023-08-31 21:49:57,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1834770118] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:49:57,146 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:49:57,146 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-31 21:49:57,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027978784] [2023-08-31 21:49:57,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:49:57,147 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-31 21:49:57,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:49:57,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-31 21:49:57,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-31 21:49:57,270 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 232 out of 561 [2023-08-31 21:49:57,272 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 48 transitions, 139 flow. Second operand has 6 states, 6 states have (on average 235.33333333333334) internal successors, (1412), 6 states have internal predecessors, (1412), 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 21:49:57,272 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:49:57,272 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 232 of 561 [2023-08-31 21:49:57,272 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:49:57,563 INFO L130 PetriNetUnfolder]: 397/780 cut-off events. [2023-08-31 21:49:57,563 INFO L131 PetriNetUnfolder]: For 234/280 co-relation queries the response was YES. [2023-08-31 21:49:57,565 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1570 conditions, 780 events. 397/780 cut-off events. For 234/280 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 4057 event pairs, 163 based on Foata normal form. 46/780 useless extension candidates. Maximal degree in co-relation 1563. Up to 403 conditions per place. [2023-08-31 21:49:57,567 INFO L137 encePairwiseOnDemand]: 556/561 looper letters, 46 selfloop transitions, 4 changer transitions 0/67 dead transitions. [2023-08-31 21:49:57,580 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 67 transitions, 277 flow [2023-08-31 21:49:57,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-31 21:49:57,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-31 21:49:57,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1440 transitions. [2023-08-31 21:49:57,584 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42780748663101603 [2023-08-31 21:49:57,584 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1440 transitions. [2023-08-31 21:49:57,584 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1440 transitions. [2023-08-31 21:49:57,585 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:49:57,585 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1440 transitions. [2023-08-31 21:49:57,587 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 240.0) internal successors, (1440), 6 states have internal predecessors, (1440), 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 21:49:57,590 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 561.0) internal successors, (3927), 7 states have internal predecessors, (3927), 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 21:49:57,591 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 561.0) internal successors, (3927), 7 states have internal predecessors, (3927), 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 21:49:57,591 INFO L175 Difference]: Start difference. First operand has 56 places, 48 transitions, 139 flow. Second operand 6 states and 1440 transitions. [2023-08-31 21:49:57,591 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 67 transitions, 277 flow [2023-08-31 21:49:57,592 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 67 transitions, 271 flow, removed 1 selfloop flow, removed 2 redundant places. [2023-08-31 21:49:57,593 INFO L231 Difference]: Finished difference. Result has 58 places, 47 transitions, 139 flow [2023-08-31 21:49:57,599 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=561, PETRI_DIFFERENCE_MINUEND_FLOW=131, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=47, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=139, PETRI_PLACES=58, PETRI_TRANSITIONS=47} [2023-08-31 21:49:57,600 INFO L281 CegarLoopForPetriNet]: 87 programPoint places, -29 predicate places. [2023-08-31 21:49:57,600 INFO L495 AbstractCegarLoop]: Abstraction has has 58 places, 47 transitions, 139 flow [2023-08-31 21:49:57,600 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 235.33333333333334) internal successors, (1412), 6 states have internal predecessors, (1412), 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 21:49:57,601 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:49:57,601 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] [2023-08-31 21:49:57,601 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-08-31 21:49:57,601 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2023-08-31 21:49:57,601 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:49:57,601 INFO L85 PathProgramCache]: Analyzing trace with hash 1938256620, now seen corresponding path program 1 times [2023-08-31 21:49:57,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:49:57,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231111003] [2023-08-31 21:49:57,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:49:57,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:49:57,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:49:57,944 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-08-31 21:49:57,944 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:49:57,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1231111003] [2023-08-31 21:49:57,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1231111003] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:49:57,944 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:49:57,945 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-31 21:49:57,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928064245] [2023-08-31 21:49:57,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:49:57,945 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-31 21:49:57,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:49:57,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-31 21:49:57,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-31 21:49:58,064 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 232 out of 561 [2023-08-31 21:49:58,065 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 47 transitions, 139 flow. Second operand has 6 states, 6 states have (on average 235.83333333333334) internal successors, (1415), 6 states have internal predecessors, (1415), 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 21:49:58,065 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:49:58,065 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 232 of 561 [2023-08-31 21:49:58,065 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:49:58,286 INFO L130 PetriNetUnfolder]: 325/705 cut-off events. [2023-08-31 21:49:58,287 INFO L131 PetriNetUnfolder]: For 189/235 co-relation queries the response was YES. [2023-08-31 21:49:58,288 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1407 conditions, 705 events. 325/705 cut-off events. For 189/235 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 3771 event pairs, 177 based on Foata normal form. 46/708 useless extension candidates. Maximal degree in co-relation 1400. Up to 439 conditions per place. [2023-08-31 21:49:58,288 INFO L137 encePairwiseOnDemand]: 556/561 looper letters, 0 selfloop transitions, 0 changer transitions 58/58 dead transitions. [2023-08-31 21:49:58,289 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 58 transitions, 245 flow [2023-08-31 21:49:58,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-31 21:49:58,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-31 21:49:58,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1432 transitions. [2023-08-31 21:49:58,291 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42543077837195487 [2023-08-31 21:49:58,291 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1432 transitions. [2023-08-31 21:49:58,291 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1432 transitions. [2023-08-31 21:49:58,292 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:49:58,292 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1432 transitions. [2023-08-31 21:49:58,294 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 238.66666666666666) internal successors, (1432), 6 states have internal predecessors, (1432), 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 21:49:58,298 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 561.0) internal successors, (3927), 7 states have internal predecessors, (3927), 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 21:49:58,298 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 561.0) internal successors, (3927), 7 states have internal predecessors, (3927), 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 21:49:58,298 INFO L175 Difference]: Start difference. First operand has 58 places, 47 transitions, 139 flow. Second operand 6 states and 1432 transitions. [2023-08-31 21:49:58,299 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 58 transitions, 245 flow [2023-08-31 21:49:58,301 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 58 transitions, 238 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-31 21:49:58,301 INFO L231 Difference]: Finished difference. Result has 58 places, 0 transitions, 0 flow [2023-08-31 21:49:58,301 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=561, PETRI_DIFFERENCE_MINUEND_FLOW=130, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=46, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=58, PETRI_TRANSITIONS=0} [2023-08-31 21:49:58,303 INFO L281 CegarLoopForPetriNet]: 87 programPoint places, -29 predicate places. [2023-08-31 21:49:58,303 INFO L495 AbstractCegarLoop]: Abstraction has has 58 places, 0 transitions, 0 flow [2023-08-31 21:49:58,304 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 235.83333333333334) internal successors, (1415), 6 states have internal predecessors, (1415), 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 21:49:58,305 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (62 of 63 remaining) [2023-08-31 21:49:58,306 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (61 of 63 remaining) [2023-08-31 21:49:58,306 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (60 of 63 remaining) [2023-08-31 21:49:58,307 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (59 of 63 remaining) [2023-08-31 21:49:58,308 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (58 of 63 remaining) [2023-08-31 21:49:58,308 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (57 of 63 remaining) [2023-08-31 21:49:58,308 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (56 of 63 remaining) [2023-08-31 21:49:58,309 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (55 of 63 remaining) [2023-08-31 21:49:58,309 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (54 of 63 remaining) [2023-08-31 21:49:58,309 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (53 of 63 remaining) [2023-08-31 21:49:58,309 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (52 of 63 remaining) [2023-08-31 21:49:58,310 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (51 of 63 remaining) [2023-08-31 21:49:58,310 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (50 of 63 remaining) [2023-08-31 21:49:58,310 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (49 of 63 remaining) [2023-08-31 21:49:58,310 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (48 of 63 remaining) [2023-08-31 21:49:58,310 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (47 of 63 remaining) [2023-08-31 21:49:58,310 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (46 of 63 remaining) [2023-08-31 21:49:58,311 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (45 of 63 remaining) [2023-08-31 21:49:58,311 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (44 of 63 remaining) [2023-08-31 21:49:58,311 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (43 of 63 remaining) [2023-08-31 21:49:58,311 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (42 of 63 remaining) [2023-08-31 21:49:58,311 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (41 of 63 remaining) [2023-08-31 21:49:58,311 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (40 of 63 remaining) [2023-08-31 21:49:58,311 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (39 of 63 remaining) [2023-08-31 21:49:58,311 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (38 of 63 remaining) [2023-08-31 21:49:58,312 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (37 of 63 remaining) [2023-08-31 21:49:58,312 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (36 of 63 remaining) [2023-08-31 21:49:58,312 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (35 of 63 remaining) [2023-08-31 21:49:58,312 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (34 of 63 remaining) [2023-08-31 21:49:58,312 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (33 of 63 remaining) [2023-08-31 21:49:58,312 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (32 of 63 remaining) [2023-08-31 21:49:58,312 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (31 of 63 remaining) [2023-08-31 21:49:58,313 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (30 of 63 remaining) [2023-08-31 21:49:58,313 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (29 of 63 remaining) [2023-08-31 21:49:58,313 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (28 of 63 remaining) [2023-08-31 21:49:58,313 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (27 of 63 remaining) [2023-08-31 21:49:58,313 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (26 of 63 remaining) [2023-08-31 21:49:58,313 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (25 of 63 remaining) [2023-08-31 21:49:58,314 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (24 of 63 remaining) [2023-08-31 21:49:58,314 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (23 of 63 remaining) [2023-08-31 21:49:58,314 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (22 of 63 remaining) [2023-08-31 21:49:58,314 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (21 of 63 remaining) [2023-08-31 21:49:58,314 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (20 of 63 remaining) [2023-08-31 21:49:58,314 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (19 of 63 remaining) [2023-08-31 21:49:58,315 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (18 of 63 remaining) [2023-08-31 21:49:58,315 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (17 of 63 remaining) [2023-08-31 21:49:58,315 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (16 of 63 remaining) [2023-08-31 21:49:58,315 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (15 of 63 remaining) [2023-08-31 21:49:58,315 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (14 of 63 remaining) [2023-08-31 21:49:58,315 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (13 of 63 remaining) [2023-08-31 21:49:58,315 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (12 of 63 remaining) [2023-08-31 21:49:58,315 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (11 of 63 remaining) [2023-08-31 21:49:58,316 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (10 of 63 remaining) [2023-08-31 21:49:58,316 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (9 of 63 remaining) [2023-08-31 21:49:58,316 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (8 of 63 remaining) [2023-08-31 21:49:58,316 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (7 of 63 remaining) [2023-08-31 21:49:58,316 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (6 of 63 remaining) [2023-08-31 21:49:58,316 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (5 of 63 remaining) [2023-08-31 21:49:58,316 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (4 of 63 remaining) [2023-08-31 21:49:58,316 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (3 of 63 remaining) [2023-08-31 21:49:58,317 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (2 of 63 remaining) [2023-08-31 21:49:58,317 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (1 of 63 remaining) [2023-08-31 21:49:58,317 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (0 of 63 remaining) [2023-08-31 21:49:58,317 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-08-31 21:49:58,317 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:49:58,321 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-31 21:49:58,321 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-31 21:49:58,323 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.08 09:49:58 BasicIcfg [2023-08-31 21:49:58,323 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-31 21:49:58,323 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-31 21:49:58,324 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-31 21:49:58,324 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-31 21:49:58,324 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 09:49:39" (3/4) ... [2023-08-31 21:49:58,325 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-31 21:49:58,328 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-08-31 21:49:58,328 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-08-31 21:49:58,329 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2023-08-31 21:49:58,333 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 28 nodes and edges [2023-08-31 21:49:58,334 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-08-31 21:49:58,334 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-08-31 21:49:58,334 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-08-31 21:49:58,372 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-31 21:49:58,372 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-31 21:49:58,373 INFO L158 Benchmark]: Toolchain (without parser) took 20320.83ms. Allocated memory was 86.0MB in the beginning and 234.9MB in the end (delta: 148.9MB). Free memory was 64.1MB in the beginning and 121.5MB in the end (delta: -57.5MB). Peak memory consumption was 92.5MB. Max. memory is 16.1GB. [2023-08-31 21:49:58,373 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 86.0MB. Free memory was 63.7MB in the beginning and 63.6MB in the end (delta: 81.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-31 21:49:58,373 INFO L158 Benchmark]: CACSL2BoogieTranslator took 156.23ms. Allocated memory is still 86.0MB. Free memory was 63.8MB in the beginning and 51.2MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-08-31 21:49:58,373 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.82ms. Allocated memory is still 86.0MB. Free memory was 51.0MB in the beginning and 47.5MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-31 21:49:58,374 INFO L158 Benchmark]: Boogie Preprocessor took 55.09ms. Allocated memory is still 86.0MB. Free memory was 47.3MB in the beginning and 44.3MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-31 21:49:58,374 INFO L158 Benchmark]: RCFGBuilder took 930.72ms. Allocated memory was 86.0MB in the beginning and 111.1MB in the end (delta: 25.2MB). Free memory was 44.3MB in the beginning and 61.6MB in the end (delta: -17.4MB). Peak memory consumption was 25.5MB. Max. memory is 16.1GB. [2023-08-31 21:49:58,374 INFO L158 Benchmark]: TraceAbstraction took 19063.15ms. Allocated memory was 111.1MB in the beginning and 234.9MB in the end (delta: 123.7MB). Free memory was 60.8MB in the beginning and 126.8MB in the end (delta: -66.0MB). Peak memory consumption was 119.0MB. Max. memory is 16.1GB. [2023-08-31 21:49:58,374 INFO L158 Benchmark]: Witness Printer took 49.00ms. Allocated memory is still 234.9MB. Free memory was 126.8MB in the beginning and 121.5MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-08-31 21:49:58,376 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 86.0MB. Free memory was 63.7MB in the beginning and 63.6MB in the end (delta: 81.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 156.23ms. Allocated memory is still 86.0MB. Free memory was 63.8MB in the beginning and 51.2MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.82ms. Allocated memory is still 86.0MB. Free memory was 51.0MB in the beginning and 47.5MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.09ms. Allocated memory is still 86.0MB. Free memory was 47.3MB in the beginning and 44.3MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 930.72ms. Allocated memory was 86.0MB in the beginning and 111.1MB in the end (delta: 25.2MB). Free memory was 44.3MB in the beginning and 61.6MB in the end (delta: -17.4MB). Peak memory consumption was 25.5MB. Max. memory is 16.1GB. * TraceAbstraction took 19063.15ms. Allocated memory was 111.1MB in the beginning and 234.9MB in the end (delta: 123.7MB). Free memory was 60.8MB in the beginning and 126.8MB in the end (delta: -66.0MB). Peak memory consumption was 119.0MB. Max. memory is 16.1GB. * Witness Printer took 49.00ms. Allocated memory is still 234.9MB. Free memory was 126.8MB in the beginning and 121.5MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 14.5s, 262 PlacesBefore, 87 PlacesAfterwards, 268 TransitionsBefore, 85 TransitionsAfterwards, 5292 CoEnabledTransitionPairs, 7 FixpointIterations, 178 TrivialSequentialCompositions, 50 ConcurrentSequentialCompositions, 26 TrivialYvCompositions, 11 ConcurrentYvCompositions, 8 ChoiceCompositions, 273 TotalNumberOfCompositions, 31690 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 11134, independent: 10436, independent conditional: 0, independent unconditional: 10436, dependent: 698, dependent conditional: 0, dependent unconditional: 698, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 2641, independent: 2543, independent conditional: 0, independent unconditional: 2543, dependent: 98, dependent conditional: 0, dependent unconditional: 98, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 11134, independent: 7893, independent conditional: 0, independent unconditional: 7893, dependent: 600, dependent conditional: 0, dependent unconditional: 600, unknown: 2641, unknown conditional: 0, unknown unconditional: 2641] , Statistics on independence cache: Total cache size (in pairs): 622, Positive cache size: 568, Positive conditional cache size: 0, Positive unconditional cache size: 568, Negative cache size: 54, Negative conditional cache size: 0, Negative unconditional cache size: 54, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 108]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 108]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: 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, 332 locations, 63 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: 19.0s, OverallIterations: 8, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 14.6s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 749 SdHoareTripleChecker+Valid, 1.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 469 mSDsluCounter, 48 SdHoareTripleChecker+Invalid, 1.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 25 mSDsCounter, 196 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1208 IncrementalHoareTripleChecker+Invalid, 1404 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 196 mSolverCounterUnsat, 23 mSDtfsCounter, 1208 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 75 GetRequests, 48 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=188occurred in iteration=0, InterpolantAutomatonStates: 35, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 156 NumberOfCodeBlocks, 156 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 170 ConstructedInterpolants, 0 QuantifiedInterpolants, 505 SizeOfPredicates, 4 NumberOfNonLiveVariables, 293 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 10 InterpolantComputations, 8 PerfectInterpolantSequences, 14/16 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 38 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-31 21:49:58,416 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