./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/weaver/popl20-more-max-array.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-max-array.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a87860dbf851812846995aa918799e2b576306268e8c461660702f868d3b2804 --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations BEFORE --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-31 21:50:28,615 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-31 21:50:28,616 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-31 21:50:28,635 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-31 21:50:28,640 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-31 21:50:28,643 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-31 21:50:28,644 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-31 21:50:28,647 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-31 21:50:28,651 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-31 21:50:28,652 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-31 21:50:28,653 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-31 21:50:28,655 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-31 21:50:28,655 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-31 21:50:28,658 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-31 21:50:28,659 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-31 21:50:28,661 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-31 21:50:28,661 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-31 21:50:28,662 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-31 21:50:28,663 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-31 21:50:28,665 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-31 21:50:28,667 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-31 21:50:28,669 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-31 21:50:28,670 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-31 21:50:28,671 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-31 21:50:28,677 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-31 21:50:28,678 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-31 21:50:28,678 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-31 21:50:28,679 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-31 21:50:28,680 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-31 21:50:28,681 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-31 21:50:28,683 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-31 21:50:28,683 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-31 21:50:28,685 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-31 21:50:28,686 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-31 21:50:28,687 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-31 21:50:28,687 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-31 21:50:28,688 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-31 21:50:28,688 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-31 21:50:28,688 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-31 21:50:28,689 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-31 21:50:28,689 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-31 21:50:28,690 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-31 21:50:28,721 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-31 21:50:28,723 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-31 21:50:28,723 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-31 21:50:28,723 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-31 21:50:28,724 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-31 21:50:28,724 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-31 21:50:28,725 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-31 21:50:28,725 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-31 21:50:28,725 INFO L138 SettingsManager]: * Use SBE=true [2023-08-31 21:50:28,725 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-31 21:50:28,726 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-31 21:50:28,726 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-31 21:50:28,726 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-31 21:50:28,726 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-31 21:50:28,726 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-31 21:50:28,726 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-31 21:50:28,727 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-31 21:50:28,727 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-31 21:50:28,727 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-31 21:50:28,727 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-31 21:50:28,727 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-31 21:50:28,727 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-31 21:50:28,727 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-31 21:50:28,728 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-31 21:50:28,728 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-31 21:50:28,728 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-31 21:50:28,728 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-31 21:50:28,728 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-31 21:50:28,728 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-31 21:50:28,729 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-31 21:50:28,729 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-31 21:50:28,729 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-31 21:50:28,729 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-31 21:50:28,729 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-31 21:50:28,729 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-31 21:50:28,730 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-31 21:50:28,730 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-31 21:50:28,730 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a87860dbf851812846995aa918799e2b576306268e8c461660702f868d3b2804 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> BEFORE [2023-08-31 21:50:28,969 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-31 21:50:28,983 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-31 21:50:28,985 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-31 21:50:28,986 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-31 21:50:28,986 INFO L275 PluginConnector]: CDTParser initialized [2023-08-31 21:50:28,987 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-more-max-array.wvr.c [2023-08-31 21:50:30,033 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-31 21:50:30,177 INFO L351 CDTParser]: Found 1 translation units. [2023-08-31 21:50:30,178 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-max-array.wvr.c [2023-08-31 21:50:30,182 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2dc77d924/2dac84cced824f54aff81f123b9432d4/FLAGc8edfa23a [2023-08-31 21:50:30,200 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2dc77d924/2dac84cced824f54aff81f123b9432d4 [2023-08-31 21:50:30,202 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-31 21:50:30,203 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-31 21:50:30,206 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-31 21:50:30,206 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-31 21:50:30,208 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-31 21:50:30,209 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 09:50:30" (1/1) ... [2023-08-31 21:50:30,211 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16728047 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:50:30, skipping insertion in model container [2023-08-31 21:50:30,211 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 09:50:30" (1/1) ... [2023-08-31 21:50:30,215 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-31 21:50:30,231 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-31 21:50:30,336 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-max-array.wvr.c[2553,2566] [2023-08-31 21:50:30,339 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-31 21:50:30,344 INFO L203 MainTranslator]: Completed pre-run [2023-08-31 21:50:30,361 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-max-array.wvr.c[2553,2566] [2023-08-31 21:50:30,364 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-31 21:50:30,368 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-31 21:50:30,368 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-31 21:50:30,372 INFO L208 MainTranslator]: Completed translation [2023-08-31 21:50:30,372 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:50:30 WrapperNode [2023-08-31 21:50:30,372 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-31 21:50:30,373 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-31 21:50:30,373 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-31 21:50:30,373 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-31 21:50:30,377 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:50:30" (1/1) ... [2023-08-31 21:50:30,389 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:50:30" (1/1) ... [2023-08-31 21:50:30,415 INFO L138 Inliner]: procedures = 24, calls = 43, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 154 [2023-08-31 21:50:30,415 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-31 21:50:30,415 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-31 21:50:30,415 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-31 21:50:30,416 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-31 21:50:30,421 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:50:30" (1/1) ... [2023-08-31 21:50:30,421 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:50:30" (1/1) ... [2023-08-31 21:50:30,424 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:50:30" (1/1) ... [2023-08-31 21:50:30,424 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:50:30" (1/1) ... [2023-08-31 21:50:30,453 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:50:30" (1/1) ... [2023-08-31 21:50:30,471 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:50:30" (1/1) ... [2023-08-31 21:50:30,472 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:50:30" (1/1) ... [2023-08-31 21:50:30,473 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:50:30" (1/1) ... [2023-08-31 21:50:30,475 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-31 21:50:30,476 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-31 21:50:30,476 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-31 21:50:30,476 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-31 21:50:30,477 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:50:30" (1/1) ... [2023-08-31 21:50:30,481 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-31 21:50:30,489 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-31 21:50:30,497 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-08-31 21:50:30,499 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-31 21:50:30,539 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-31 21:50:30,539 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-31 21:50:30,540 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-31 21:50:30,540 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-31 21:50:30,540 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-31 21:50:30,540 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-08-31 21:50:30,540 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-08-31 21:50:30,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-31 21:50:30,540 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-31 21:50:30,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-31 21:50:30,541 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-31 21:50:30,541 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-31 21:50:30,541 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-31 21:50:30,541 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-31 21:50:30,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-31 21:50:30,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-31 21:50:30,541 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-31 21:50:30,542 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-31 21:50:30,673 INFO L236 CfgBuilder]: Building ICFG [2023-08-31 21:50:30,675 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-31 21:50:31,019 INFO L277 CfgBuilder]: Performing block encoding [2023-08-31 21:50:31,236 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-31 21:50:31,237 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-08-31 21:50:31,239 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 09:50:31 BoogieIcfgContainer [2023-08-31 21:50:31,239 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-31 21:50:31,240 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-31 21:50:31,240 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-31 21:50:31,242 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-31 21:50:31,256 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.08 09:50:30" (1/3) ... [2023-08-31 21:50:31,257 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@612ab391 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.08 09:50:31, skipping insertion in model container [2023-08-31 21:50:31,257 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:50:30" (2/3) ... [2023-08-31 21:50:31,257 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@612ab391 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.08 09:50:31, skipping insertion in model container [2023-08-31 21:50:31,257 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 09:50:31" (3/3) ... [2023-08-31 21:50:31,258 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-max-array.wvr.c [2023-08-31 21:50:31,264 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-31 21:50:31,271 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-31 21:50:31,271 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 35 error locations. [2023-08-31 21:50:31,271 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-31 21:50:31,341 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-08-31 21:50:31,382 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 233 places, 236 transitions, 496 flow [2023-08-31 21:50:31,465 INFO L130 PetriNetUnfolder]: 13/233 cut-off events. [2023-08-31 21:50:31,465 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2023-08-31 21:50:31,470 INFO L83 FinitePrefix]: Finished finitePrefix Result has 246 conditions, 233 events. 13/233 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 277 event pairs, 0 based on Foata normal form. 0/185 useless extension candidates. Maximal degree in co-relation 163. Up to 2 conditions per place. [2023-08-31 21:50:31,470 INFO L82 GeneralOperation]: Start removeDead. Operand has 233 places, 236 transitions, 496 flow [2023-08-31 21:50:31,477 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 214 places, 216 transitions, 450 flow [2023-08-31 21:50:31,480 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-31 21:50:31,494 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 214 places, 216 transitions, 450 flow [2023-08-31 21:50:31,496 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 214 places, 216 transitions, 450 flow [2023-08-31 21:50:31,497 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 214 places, 216 transitions, 450 flow [2023-08-31 21:50:31,540 INFO L130 PetriNetUnfolder]: 12/216 cut-off events. [2023-08-31 21:50:31,541 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2023-08-31 21:50:31,543 INFO L83 FinitePrefix]: Finished finitePrefix Result has 229 conditions, 216 events. 12/216 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 275 event pairs, 0 based on Foata normal form. 0/170 useless extension candidates. Maximal degree in co-relation 163. Up to 2 conditions per place. [2023-08-31 21:50:31,545 INFO L119 LiptonReduction]: Number of co-enabled transitions 5292 [2023-08-31 21:50:39,024 INFO L134 LiptonReduction]: Checked pairs total: 36262 [2023-08-31 21:50:39,024 INFO L136 LiptonReduction]: Total number of compositions: 201 [2023-08-31 21:50:39,039 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-31 21:50:39,046 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;@5c55f24f, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-31 21:50:39,046 INFO L358 AbstractCegarLoop]: Starting to check reachability of 60 error locations. [2023-08-31 21:50:39,047 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2023-08-31 21:50:39,047 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-31 21:50:39,048 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:50:39,048 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-31 21:50:39,049 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-08-31 21:50:39,052 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:50:39,052 INFO L85 PathProgramCache]: Analyzing trace with hash 1034, now seen corresponding path program 1 times [2023-08-31 21:50:39,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:50:39,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [900012484] [2023-08-31 21:50:39,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:50:39,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:50:39,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:50:39,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:50:39,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:50:39,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [900012484] [2023-08-31 21:50:39,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [900012484] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:50:39,121 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:50:39,121 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-31 21:50:39,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107711355] [2023-08-31 21:50:39,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:50:39,127 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-31 21:50:39,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:50:39,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-31 21:50:39,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-31 21:50:39,147 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 200 out of 437 [2023-08-31 21:50:39,150 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 80 transitions, 178 flow. Second operand has 2 states, 2 states have (on average 200.5) internal successors, (401), 2 states have internal predecessors, (401), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:50:39,151 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:50:39,151 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 200 of 437 [2023-08-31 21:50:39,151 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:50:39,305 INFO L130 PetriNetUnfolder]: 338/789 cut-off events. [2023-08-31 21:50:39,305 INFO L131 PetriNetUnfolder]: For 55/55 co-relation queries the response was YES. [2023-08-31 21:50:39,308 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1302 conditions, 789 events. 338/789 cut-off events. For 55/55 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 4626 event pairs, 177 based on Foata normal form. 160/824 useless extension candidates. Maximal degree in co-relation 996. Up to 466 conditions per place. [2023-08-31 21:50:39,312 INFO L137 encePairwiseOnDemand]: 406/437 looper letters, 21 selfloop transitions, 0 changer transitions 1/49 dead transitions. [2023-08-31 21:50:39,313 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 49 transitions, 160 flow [2023-08-31 21:50:39,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-31 21:50:39,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-31 21:50:39,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 453 transitions. [2023-08-31 21:50:39,325 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5183066361556065 [2023-08-31 21:50:39,326 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 453 transitions. [2023-08-31 21:50:39,326 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 453 transitions. [2023-08-31 21:50:39,328 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:50:39,329 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 453 transitions. [2023-08-31 21:50:39,333 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 226.5) internal successors, (453), 2 states have internal predecessors, (453), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:50:39,336 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 437.0) internal successors, (1311), 3 states have internal predecessors, (1311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:50:39,336 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 437.0) internal successors, (1311), 3 states have internal predecessors, (1311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:50:39,337 INFO L175 Difference]: Start difference. First operand has 83 places, 80 transitions, 178 flow. Second operand 2 states and 453 transitions. [2023-08-31 21:50:39,338 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 49 transitions, 160 flow [2023-08-31 21:50:39,340 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 49 transitions, 148 flow, removed 0 selfloop flow, removed 6 redundant places. [2023-08-31 21:50:39,341 INFO L231 Difference]: Finished difference. Result has 50 places, 48 transitions, 101 flow [2023-08-31 21:50:39,342 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=437, PETRI_DIFFERENCE_MINUEND_FLOW=104, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=49, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=101, PETRI_PLACES=50, PETRI_TRANSITIONS=48} [2023-08-31 21:50:39,346 INFO L281 CegarLoopForPetriNet]: 83 programPoint places, -33 predicate places. [2023-08-31 21:50:39,347 INFO L495 AbstractCegarLoop]: Abstraction has has 50 places, 48 transitions, 101 flow [2023-08-31 21:50:39,347 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 200.5) internal successors, (401), 2 states have internal predecessors, (401), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:50:39,347 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:50:39,348 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-08-31 21:50:39,348 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-31 21:50:39,348 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-08-31 21:50:39,348 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:50:39,349 INFO L85 PathProgramCache]: Analyzing trace with hash 605081344, now seen corresponding path program 1 times [2023-08-31 21:50:39,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:50:39,349 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759492942] [2023-08-31 21:50:39,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:50:39,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:50:39,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:50:39,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:50:39,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:50:39,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [759492942] [2023-08-31 21:50:39,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [759492942] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:50:39,455 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:50:39,455 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 21:50:39,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640312692] [2023-08-31 21:50:39,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:50:39,456 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 21:50:39,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:50:39,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 21:50:39,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 21:50:39,473 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 187 out of 437 [2023-08-31 21:50:39,474 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 48 transitions, 101 flow. Second operand has 3 states, 3 states have (on average 188.66666666666666) internal successors, (566), 3 states have internal predecessors, (566), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:50:39,474 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:50:39,474 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 187 of 437 [2023-08-31 21:50:39,474 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:50:39,584 INFO L130 PetriNetUnfolder]: 579/1103 cut-off events. [2023-08-31 21:50:39,584 INFO L131 PetriNetUnfolder]: For 20/20 co-relation queries the response was YES. [2023-08-31 21:50:39,585 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1935 conditions, 1103 events. 579/1103 cut-off events. For 20/20 co-relation queries the response was YES. Maximal size of possible extension queue 94. Compared 5985 event pairs, 364 based on Foata normal form. 0/923 useless extension candidates. Maximal degree in co-relation 1932. Up to 808 conditions per place. [2023-08-31 21:50:39,589 INFO L137 encePairwiseOnDemand]: 434/437 looper letters, 23 selfloop transitions, 1 changer transitions 0/46 dead transitions. [2023-08-31 21:50:39,589 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 46 transitions, 145 flow [2023-08-31 21:50:39,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 21:50:39,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 21:50:39,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 587 transitions. [2023-08-31 21:50:39,591 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4477498093058734 [2023-08-31 21:50:39,591 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 587 transitions. [2023-08-31 21:50:39,591 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 587 transitions. [2023-08-31 21:50:39,591 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:50:39,592 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 587 transitions. [2023-08-31 21:50:39,593 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 195.66666666666666) internal successors, (587), 3 states have internal predecessors, (587), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:50:39,604 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 437.0) internal successors, (1748), 4 states have internal predecessors, (1748), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:50:39,605 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 437.0) internal successors, (1748), 4 states have internal predecessors, (1748), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:50:39,605 INFO L175 Difference]: Start difference. First operand has 50 places, 48 transitions, 101 flow. Second operand 3 states and 587 transitions. [2023-08-31 21:50:39,605 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 46 transitions, 145 flow [2023-08-31 21:50:39,605 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 46 transitions, 145 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-31 21:50:39,606 INFO L231 Difference]: Finished difference. Result has 49 places, 46 transitions, 99 flow [2023-08-31 21:50:39,606 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=437, PETRI_DIFFERENCE_MINUEND_FLOW=97, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=45, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=99, PETRI_PLACES=49, PETRI_TRANSITIONS=46} [2023-08-31 21:50:39,607 INFO L281 CegarLoopForPetriNet]: 83 programPoint places, -34 predicate places. [2023-08-31 21:50:39,607 INFO L495 AbstractCegarLoop]: Abstraction has has 49 places, 46 transitions, 99 flow [2023-08-31 21:50:39,608 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 188.66666666666666) internal successors, (566), 3 states have internal predecessors, (566), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:50:39,608 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:50:39,608 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:50:39,608 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-31 21:50:39,608 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-08-31 21:50:39,609 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:50:39,610 INFO L85 PathProgramCache]: Analyzing trace with hash 1862940013, now seen corresponding path program 1 times [2023-08-31 21:50:39,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:50:39,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1743930528] [2023-08-31 21:50:39,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:50:39,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:50:39,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:50:39,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:50:39,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:50:39,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1743930528] [2023-08-31 21:50:39,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1743930528] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:50:39,656 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:50:39,656 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 21:50:39,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176869543] [2023-08-31 21:50:39,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:50:39,657 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 21:50:39,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:50:39,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 21:50:39,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 21:50:39,668 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 187 out of 437 [2023-08-31 21:50:39,669 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 46 transitions, 99 flow. Second operand has 3 states, 3 states have (on average 189.33333333333334) internal successors, (568), 3 states have internal predecessors, (568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:50:39,669 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:50:39,669 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 187 of 437 [2023-08-31 21:50:39,669 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:50:39,764 INFO L130 PetriNetUnfolder]: 606/1103 cut-off events. [2023-08-31 21:50:39,765 INFO L131 PetriNetUnfolder]: For 30/30 co-relation queries the response was YES. [2023-08-31 21:50:39,766 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1977 conditions, 1103 events. 606/1103 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 5662 event pairs, 396 based on Foata normal form. 0/945 useless extension candidates. Maximal degree in co-relation 1973. Up to 848 conditions per place. [2023-08-31 21:50:39,768 INFO L137 encePairwiseOnDemand]: 434/437 looper letters, 23 selfloop transitions, 1 changer transitions 0/44 dead transitions. [2023-08-31 21:50:39,769 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 44 transitions, 143 flow [2023-08-31 21:50:39,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 21:50:39,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 21:50:39,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 587 transitions. [2023-08-31 21:50:39,770 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4477498093058734 [2023-08-31 21:50:39,770 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 587 transitions. [2023-08-31 21:50:39,770 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 587 transitions. [2023-08-31 21:50:39,771 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:50:39,771 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 587 transitions. [2023-08-31 21:50:39,772 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 195.66666666666666) internal successors, (587), 3 states have internal predecessors, (587), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:50:39,773 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 437.0) internal successors, (1748), 4 states have internal predecessors, (1748), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:50:39,774 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 437.0) internal successors, (1748), 4 states have internal predecessors, (1748), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:50:39,774 INFO L175 Difference]: Start difference. First operand has 49 places, 46 transitions, 99 flow. Second operand 3 states and 587 transitions. [2023-08-31 21:50:39,774 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 44 transitions, 143 flow [2023-08-31 21:50:39,775 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 44 transitions, 142 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-31 21:50:39,775 INFO L231 Difference]: Finished difference. Result has 48 places, 44 transitions, 96 flow [2023-08-31 21:50:39,776 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=437, PETRI_DIFFERENCE_MINUEND_FLOW=94, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=96, PETRI_PLACES=48, PETRI_TRANSITIONS=44} [2023-08-31 21:50:39,776 INFO L281 CegarLoopForPetriNet]: 83 programPoint places, -35 predicate places. [2023-08-31 21:50:39,776 INFO L495 AbstractCegarLoop]: Abstraction has has 48 places, 44 transitions, 96 flow [2023-08-31 21:50:39,777 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 189.33333333333334) internal successors, (568), 3 states have internal predecessors, (568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:50:39,777 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:50:39,777 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:50:39,777 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-31 21:50:39,777 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-08-31 21:50:39,777 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:50:39,778 INFO L85 PathProgramCache]: Analyzing trace with hash -2109698761, now seen corresponding path program 1 times [2023-08-31 21:50:39,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:50:39,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25678661] [2023-08-31 21:50:39,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:50:39,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:50:39,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:50:39,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:50:39,864 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:50:39,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25678661] [2023-08-31 21:50:39,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [25678661] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:50:39,864 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:50:39,864 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 21:50:39,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737364738] [2023-08-31 21:50:39,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:50:39,865 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 21:50:39,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:50:39,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 21:50:39,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 21:50:39,898 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 195 out of 437 [2023-08-31 21:50:39,899 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 44 transitions, 96 flow. Second operand has 3 states, 3 states have (on average 197.66666666666666) internal successors, (593), 3 states have internal predecessors, (593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:50:39,899 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:50:39,899 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 195 of 437 [2023-08-31 21:50:39,899 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:50:39,989 INFO L130 PetriNetUnfolder]: 338/763 cut-off events. [2023-08-31 21:50:39,990 INFO L131 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2023-08-31 21:50:39,991 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1247 conditions, 763 events. 338/763 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 4315 event pairs, 177 based on Foata normal form. 1/648 useless extension candidates. Maximal degree in co-relation 1243. Up to 465 conditions per place. [2023-08-31 21:50:39,993 INFO L137 encePairwiseOnDemand]: 434/437 looper letters, 20 selfloop transitions, 2 changer transitions 0/45 dead transitions. [2023-08-31 21:50:39,993 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 45 transitions, 142 flow [2023-08-31 21:50:39,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 21:50:39,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 21:50:39,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 608 transitions. [2023-08-31 21:50:39,995 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.463768115942029 [2023-08-31 21:50:39,995 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 608 transitions. [2023-08-31 21:50:39,995 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 608 transitions. [2023-08-31 21:50:39,996 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:50:39,996 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 608 transitions. [2023-08-31 21:50:39,997 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 202.66666666666666) internal successors, (608), 3 states have internal predecessors, (608), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:50:39,999 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 437.0) internal successors, (1748), 4 states have internal predecessors, (1748), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:50:39,999 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 437.0) internal successors, (1748), 4 states have internal predecessors, (1748), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:50:39,999 INFO L175 Difference]: Start difference. First operand has 48 places, 44 transitions, 96 flow. Second operand 3 states and 608 transitions. [2023-08-31 21:50:39,999 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 45 transitions, 142 flow [2023-08-31 21:50:40,000 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 45 transitions, 141 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-31 21:50:40,001 INFO L231 Difference]: Finished difference. Result has 50 places, 45 transitions, 107 flow [2023-08-31 21:50:40,001 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=437, PETRI_DIFFERENCE_MINUEND_FLOW=95, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=107, PETRI_PLACES=50, PETRI_TRANSITIONS=45} [2023-08-31 21:50:40,002 INFO L281 CegarLoopForPetriNet]: 83 programPoint places, -33 predicate places. [2023-08-31 21:50:40,002 INFO L495 AbstractCegarLoop]: Abstraction has has 50 places, 45 transitions, 107 flow [2023-08-31 21:50:40,002 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 197.66666666666666) internal successors, (593), 3 states have internal predecessors, (593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:50:40,002 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:50:40,002 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:50:40,003 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-31 21:50:40,003 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-08-31 21:50:40,003 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:50:40,003 INFO L85 PathProgramCache]: Analyzing trace with hash 2094531978, now seen corresponding path program 1 times [2023-08-31 21:50:40,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:50:40,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135010664] [2023-08-31 21:50:40,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:50:40,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:50:40,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:50:40,290 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-08-31 21:50:40,290 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:50:40,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135010664] [2023-08-31 21:50:40,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1135010664] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:50:40,290 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:50:40,290 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-31 21:50:40,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070956700] [2023-08-31 21:50:40,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:50:40,291 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-31 21:50:40,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:50:40,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-31 21:50:40,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-31 21:50:40,400 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 187 out of 437 [2023-08-31 21:50:40,401 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 45 transitions, 107 flow. Second operand has 6 states, 6 states have (on average 189.16666666666666) internal successors, (1135), 6 states have internal predecessors, (1135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:50:40,401 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:50:40,401 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 187 of 437 [2023-08-31 21:50:40,401 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:50:40,701 INFO L130 PetriNetUnfolder]: 866/1264 cut-off events. [2023-08-31 21:50:40,702 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2023-08-31 21:50:40,703 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2426 conditions, 1264 events. 866/1264 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 90. Compared 5616 event pairs, 62 based on Foata normal form. 0/1165 useless extension candidates. Maximal degree in co-relation 2421. Up to 432 conditions per place. [2023-08-31 21:50:40,707 INFO L137 encePairwiseOnDemand]: 432/437 looper letters, 54 selfloop transitions, 4 changer transitions 0/76 dead transitions. [2023-08-31 21:50:40,707 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 76 transitions, 285 flow [2023-08-31 21:50:40,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-31 21:50:40,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-31 21:50:40,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1180 transitions. [2023-08-31 21:50:40,710 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4500381388253242 [2023-08-31 21:50:40,710 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1180 transitions. [2023-08-31 21:50:40,711 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1180 transitions. [2023-08-31 21:50:40,712 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:50:40,712 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1180 transitions. [2023-08-31 21:50:40,725 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 196.66666666666666) internal successors, (1180), 6 states have internal predecessors, (1180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:50:40,728 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 437.0) internal successors, (3059), 7 states have internal predecessors, (3059), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:50:40,729 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 437.0) internal successors, (3059), 7 states have internal predecessors, (3059), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:50:40,731 INFO L175 Difference]: Start difference. First operand has 50 places, 45 transitions, 107 flow. Second operand 6 states and 1180 transitions. [2023-08-31 21:50:40,731 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 76 transitions, 285 flow [2023-08-31 21:50:40,733 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 76 transitions, 281 flow, removed 1 selfloop flow, removed 1 redundant places. [2023-08-31 21:50:40,733 INFO L231 Difference]: Finished difference. Result has 53 places, 44 transitions, 109 flow [2023-08-31 21:50:40,734 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=437, PETRI_DIFFERENCE_MINUEND_FLOW=101, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=109, PETRI_PLACES=53, PETRI_TRANSITIONS=44} [2023-08-31 21:50:40,736 INFO L281 CegarLoopForPetriNet]: 83 programPoint places, -30 predicate places. [2023-08-31 21:50:40,736 INFO L495 AbstractCegarLoop]: Abstraction has has 53 places, 44 transitions, 109 flow [2023-08-31 21:50:40,737 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 189.16666666666666) internal successors, (1135), 6 states have internal predecessors, (1135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:50:40,737 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:50:40,737 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:50:40,737 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-31 21:50:40,737 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-08-31 21:50:40,738 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:50:40,738 INFO L85 PathProgramCache]: Analyzing trace with hash 798818570, now seen corresponding path program 1 times [2023-08-31 21:50:40,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:50:40,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1716020801] [2023-08-31 21:50:40,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:50:40,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:50:40,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:50:40,846 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:50:40,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:50:40,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1716020801] [2023-08-31 21:50:40,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1716020801] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-31 21:50:40,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [677043082] [2023-08-31 21:50:40,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:50:40,848 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-31 21:50:40,848 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-31 21:50:40,891 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 21:50:40,917 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 21:50:40,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:50:40,998 INFO L263 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 6 conjunts are in the unsatisfiable core [2023-08-31 21:50:41,002 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-08-31 21:50:41,072 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:50:41,072 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-08-31 21:50:41,107 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:50:41,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [677043082] provided 1 perfect and 1 imperfect interpolant sequences [2023-08-31 21:50:41,107 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-08-31 21:50:41,107 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5, 4] total 9 [2023-08-31 21:50:41,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977279349] [2023-08-31 21:50:41,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:50:41,108 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-08-31 21:50:41,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:50:41,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-08-31 21:50:41,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2023-08-31 21:50:41,165 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 188 out of 437 [2023-08-31 21:50:41,166 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 44 transitions, 109 flow. Second operand has 5 states, 5 states have (on average 190.6) internal successors, (953), 5 states have internal predecessors, (953), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:50:41,166 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:50:41,166 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 188 of 437 [2023-08-31 21:50:41,166 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:50:41,301 INFO L130 PetriNetUnfolder]: 393/792 cut-off events. [2023-08-31 21:50:41,302 INFO L131 PetriNetUnfolder]: For 55/55 co-relation queries the response was YES. [2023-08-31 21:50:41,303 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1492 conditions, 792 events. 393/792 cut-off events. For 55/55 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 3970 event pairs, 104 based on Foata normal form. 32/745 useless extension candidates. Maximal degree in co-relation 1487. Up to 437 conditions per place. [2023-08-31 21:50:41,307 INFO L137 encePairwiseOnDemand]: 432/437 looper letters, 31 selfloop transitions, 4 changer transitions 0/56 dead transitions. [2023-08-31 21:50:41,307 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 56 transitions, 207 flow [2023-08-31 21:50:41,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-31 21:50:41,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-31 21:50:41,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 976 transitions. [2023-08-31 21:50:41,312 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.44668192219679637 [2023-08-31 21:50:41,312 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 976 transitions. [2023-08-31 21:50:41,312 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 976 transitions. [2023-08-31 21:50:41,312 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:50:41,312 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 976 transitions. [2023-08-31 21:50:41,314 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 195.2) internal successors, (976), 5 states have internal predecessors, (976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:50:41,318 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 437.0) internal successors, (2622), 6 states have internal predecessors, (2622), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:50:41,319 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 437.0) internal successors, (2622), 6 states have internal predecessors, (2622), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:50:41,319 INFO L175 Difference]: Start difference. First operand has 53 places, 44 transitions, 109 flow. Second operand 5 states and 976 transitions. [2023-08-31 21:50:41,320 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 56 transitions, 207 flow [2023-08-31 21:50:41,321 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 56 transitions, 198 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-31 21:50:41,323 INFO L231 Difference]: Finished difference. Result has 54 places, 45 transitions, 118 flow [2023-08-31 21:50:41,323 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=437, PETRI_DIFFERENCE_MINUEND_FLOW=102, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=118, PETRI_PLACES=54, PETRI_TRANSITIONS=45} [2023-08-31 21:50:41,324 INFO L281 CegarLoopForPetriNet]: 83 programPoint places, -29 predicate places. [2023-08-31 21:50:41,325 INFO L495 AbstractCegarLoop]: Abstraction has has 54 places, 45 transitions, 118 flow [2023-08-31 21:50:41,325 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 190.6) internal successors, (953), 5 states have internal predecessors, (953), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:50:41,325 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:50:41,325 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:50:41,336 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-08-31 21:50:41,530 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 21:50:41,532 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-08-31 21:50:41,532 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:50:41,533 INFO L85 PathProgramCache]: Analyzing trace with hash 765124958, now seen corresponding path program 1 times [2023-08-31 21:50:41,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:50:41,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [239198521] [2023-08-31 21:50:41,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:50:41,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:50:41,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:50:41,808 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-08-31 21:50:41,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:50:41,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [239198521] [2023-08-31 21:50:41,809 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [239198521] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:50:41,809 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:50:41,809 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-31 21:50:41,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512638822] [2023-08-31 21:50:41,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:50:41,810 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-31 21:50:41,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:50:41,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-31 21:50:41,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-31 21:50:41,940 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 187 out of 437 [2023-08-31 21:50:41,942 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 45 transitions, 118 flow. Second operand has 6 states, 6 states have (on average 189.83333333333334) internal successors, (1139), 6 states have internal predecessors, (1139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:50:41,942 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:50:41,942 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 187 of 437 [2023-08-31 21:50:41,942 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:50:42,207 INFO L130 PetriNetUnfolder]: 421/799 cut-off events. [2023-08-31 21:50:42,207 INFO L131 PetriNetUnfolder]: For 106/163 co-relation queries the response was YES. [2023-08-31 21:50:42,208 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1583 conditions, 799 events. 421/799 cut-off events. For 106/163 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 4137 event pairs, 155 based on Foata normal form. 57/778 useless extension candidates. Maximal degree in co-relation 1577. Up to 382 conditions per place. [2023-08-31 21:50:42,211 INFO L137 encePairwiseOnDemand]: 432/437 looper letters, 47 selfloop transitions, 4 changer transitions 0/68 dead transitions. [2023-08-31 21:50:42,213 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 68 transitions, 266 flow [2023-08-31 21:50:42,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-31 21:50:42,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-31 21:50:42,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1172 transitions. [2023-08-31 21:50:42,216 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4469870327993898 [2023-08-31 21:50:42,216 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1172 transitions. [2023-08-31 21:50:42,216 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1172 transitions. [2023-08-31 21:50:42,217 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:50:42,217 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1172 transitions. [2023-08-31 21:50:42,219 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 195.33333333333334) internal successors, (1172), 6 states have internal predecessors, (1172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:50:42,221 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 437.0) internal successors, (3059), 7 states have internal predecessors, (3059), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:50:42,222 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 437.0) internal successors, (3059), 7 states have internal predecessors, (3059), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:50:42,222 INFO L175 Difference]: Start difference. First operand has 54 places, 45 transitions, 118 flow. Second operand 6 states and 1172 transitions. [2023-08-31 21:50:42,222 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 68 transitions, 266 flow [2023-08-31 21:50:42,224 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 68 transitions, 260 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-08-31 21:50:42,225 INFO L231 Difference]: Finished difference. Result has 55 places, 44 transitions, 118 flow [2023-08-31 21:50:42,225 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=437, PETRI_DIFFERENCE_MINUEND_FLOW=110, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=118, PETRI_PLACES=55, PETRI_TRANSITIONS=44} [2023-08-31 21:50:42,225 INFO L281 CegarLoopForPetriNet]: 83 programPoint places, -28 predicate places. [2023-08-31 21:50:42,225 INFO L495 AbstractCegarLoop]: Abstraction has has 55 places, 44 transitions, 118 flow [2023-08-31 21:50:42,226 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 189.83333333333334) internal successors, (1139), 6 states have internal predecessors, (1139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:50:42,226 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:50:42,226 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:50:42,226 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-08-31 21:50:42,226 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-08-31 21:50:42,227 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:50:42,227 INFO L85 PathProgramCache]: Analyzing trace with hash -1611554357, now seen corresponding path program 1 times [2023-08-31 21:50:42,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:50:42,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360058758] [2023-08-31 21:50:42,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:50:42,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:50:42,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:50:42,536 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-08-31 21:50:42,536 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:50:42,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360058758] [2023-08-31 21:50:42,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [360058758] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:50:42,536 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:50:42,537 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-31 21:50:42,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798894984] [2023-08-31 21:50:42,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:50:42,537 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-31 21:50:42,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:50:42,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-31 21:50:42,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-31 21:50:42,645 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 187 out of 437 [2023-08-31 21:50:42,645 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 44 transitions, 118 flow. Second operand has 6 states, 6 states have (on average 190.33333333333334) internal successors, (1142), 6 states have internal predecessors, (1142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:50:42,646 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:50:42,646 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 187 of 437 [2023-08-31 21:50:42,646 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:50:42,790 INFO L130 PetriNetUnfolder]: 325/699 cut-off events. [2023-08-31 21:50:42,790 INFO L131 PetriNetUnfolder]: For 109/166 co-relation queries the response was YES. [2023-08-31 21:50:42,791 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1370 conditions, 699 events. 325/699 cut-off events. For 109/166 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 3727 event pairs, 175 based on Foata normal form. 57/690 useless extension candidates. Maximal degree in co-relation 1364. Up to 430 conditions per place. [2023-08-31 21:50:42,791 INFO L137 encePairwiseOnDemand]: 432/437 looper letters, 0 selfloop transitions, 0 changer transitions 59/59 dead transitions. [2023-08-31 21:50:42,792 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 59 transitions, 234 flow [2023-08-31 21:50:42,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-31 21:50:42,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-31 21:50:42,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1164 transitions. [2023-08-31 21:50:42,794 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4439359267734554 [2023-08-31 21:50:42,794 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1164 transitions. [2023-08-31 21:50:42,794 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1164 transitions. [2023-08-31 21:50:42,795 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:50:42,795 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1164 transitions. [2023-08-31 21:50:42,796 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 194.0) internal successors, (1164), 6 states have internal predecessors, (1164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:50:42,798 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 437.0) internal successors, (3059), 7 states have internal predecessors, (3059), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:50:42,809 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 437.0) internal successors, (3059), 7 states have internal predecessors, (3059), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:50:42,809 INFO L175 Difference]: Start difference. First operand has 55 places, 44 transitions, 118 flow. Second operand 6 states and 1164 transitions. [2023-08-31 21:50:42,809 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 59 transitions, 234 flow [2023-08-31 21:50:42,810 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 59 transitions, 227 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-31 21:50:42,810 INFO L231 Difference]: Finished difference. Result has 55 places, 0 transitions, 0 flow [2023-08-31 21:50:42,810 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=437, PETRI_DIFFERENCE_MINUEND_FLOW=109, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=55, PETRI_TRANSITIONS=0} [2023-08-31 21:50:42,811 INFO L281 CegarLoopForPetriNet]: 83 programPoint places, -28 predicate places. [2023-08-31 21:50:42,811 INFO L495 AbstractCegarLoop]: Abstraction has has 55 places, 0 transitions, 0 flow [2023-08-31 21:50:42,811 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 190.33333333333334) internal successors, (1142), 6 states have internal predecessors, (1142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:50:42,813 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (59 of 60 remaining) [2023-08-31 21:50:42,813 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (58 of 60 remaining) [2023-08-31 21:50:42,814 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (57 of 60 remaining) [2023-08-31 21:50:42,814 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (56 of 60 remaining) [2023-08-31 21:50:42,814 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (55 of 60 remaining) [2023-08-31 21:50:42,814 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (54 of 60 remaining) [2023-08-31 21:50:42,820 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (53 of 60 remaining) [2023-08-31 21:50:42,820 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (52 of 60 remaining) [2023-08-31 21:50:42,820 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (51 of 60 remaining) [2023-08-31 21:50:42,820 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (50 of 60 remaining) [2023-08-31 21:50:42,820 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (49 of 60 remaining) [2023-08-31 21:50:42,821 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (48 of 60 remaining) [2023-08-31 21:50:42,821 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (47 of 60 remaining) [2023-08-31 21:50:42,821 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (46 of 60 remaining) [2023-08-31 21:50:42,821 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (45 of 60 remaining) [2023-08-31 21:50:42,821 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (44 of 60 remaining) [2023-08-31 21:50:42,821 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (43 of 60 remaining) [2023-08-31 21:50:42,821 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (42 of 60 remaining) [2023-08-31 21:50:42,821 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (41 of 60 remaining) [2023-08-31 21:50:42,822 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (40 of 60 remaining) [2023-08-31 21:50:42,822 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (39 of 60 remaining) [2023-08-31 21:50:42,822 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (38 of 60 remaining) [2023-08-31 21:50:42,822 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (37 of 60 remaining) [2023-08-31 21:50:42,822 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (36 of 60 remaining) [2023-08-31 21:50:42,822 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (35 of 60 remaining) [2023-08-31 21:50:42,822 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (34 of 60 remaining) [2023-08-31 21:50:42,823 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (33 of 60 remaining) [2023-08-31 21:50:42,823 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (32 of 60 remaining) [2023-08-31 21:50:42,823 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (31 of 60 remaining) [2023-08-31 21:50:42,823 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (30 of 60 remaining) [2023-08-31 21:50:42,823 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (29 of 60 remaining) [2023-08-31 21:50:42,823 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (28 of 60 remaining) [2023-08-31 21:50:42,823 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (27 of 60 remaining) [2023-08-31 21:50:42,824 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (26 of 60 remaining) [2023-08-31 21:50:42,824 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (25 of 60 remaining) [2023-08-31 21:50:42,832 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (24 of 60 remaining) [2023-08-31 21:50:42,833 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (23 of 60 remaining) [2023-08-31 21:50:42,833 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (22 of 60 remaining) [2023-08-31 21:50:42,833 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (21 of 60 remaining) [2023-08-31 21:50:42,833 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (20 of 60 remaining) [2023-08-31 21:50:42,833 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (19 of 60 remaining) [2023-08-31 21:50:42,833 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (18 of 60 remaining) [2023-08-31 21:50:42,833 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (17 of 60 remaining) [2023-08-31 21:50:42,834 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (16 of 60 remaining) [2023-08-31 21:50:42,834 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (15 of 60 remaining) [2023-08-31 21:50:42,834 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (14 of 60 remaining) [2023-08-31 21:50:42,834 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (13 of 60 remaining) [2023-08-31 21:50:42,834 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (12 of 60 remaining) [2023-08-31 21:50:42,834 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (11 of 60 remaining) [2023-08-31 21:50:42,834 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (10 of 60 remaining) [2023-08-31 21:50:42,835 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (9 of 60 remaining) [2023-08-31 21:50:42,835 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (8 of 60 remaining) [2023-08-31 21:50:42,835 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (7 of 60 remaining) [2023-08-31 21:50:42,835 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (6 of 60 remaining) [2023-08-31 21:50:42,835 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (5 of 60 remaining) [2023-08-31 21:50:42,835 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (4 of 60 remaining) [2023-08-31 21:50:42,835 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (3 of 60 remaining) [2023-08-31 21:50:42,836 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (2 of 60 remaining) [2023-08-31 21:50:42,836 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (1 of 60 remaining) [2023-08-31 21:50:42,836 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (0 of 60 remaining) [2023-08-31 21:50:42,836 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-08-31 21:50:42,836 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:50:42,839 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-31 21:50:42,839 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-31 21:50:42,841 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.08 09:50:42 BasicIcfg [2023-08-31 21:50:42,842 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-31 21:50:42,842 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-31 21:50:42,842 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-31 21:50:42,842 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-31 21:50:42,842 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 09:50:31" (3/4) ... [2023-08-31 21:50:42,844 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-31 21:50:42,847 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-08-31 21:50:42,847 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-08-31 21:50:42,847 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2023-08-31 21:50:42,850 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2023-08-31 21:50:42,850 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-08-31 21:50:42,851 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-08-31 21:50:42,851 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-08-31 21:50:42,883 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-31 21:50:42,883 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-31 21:50:42,884 INFO L158 Benchmark]: Toolchain (without parser) took 12680.50ms. Allocated memory was 69.2MB in the beginning and 169.9MB in the end (delta: 100.7MB). Free memory was 47.2MB in the beginning and 118.5MB in the end (delta: -71.3MB). Peak memory consumption was 30.0MB. Max. memory is 16.1GB. [2023-08-31 21:50:42,884 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 56.6MB. Free memory is still 34.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-31 21:50:42,884 INFO L158 Benchmark]: CACSL2BoogieTranslator took 166.88ms. Allocated memory is still 69.2MB. Free memory was 46.9MB in the beginning and 34.6MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-08-31 21:50:42,885 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.82ms. Allocated memory is still 69.2MB. Free memory was 34.4MB in the beginning and 32.2MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-31 21:50:42,885 INFO L158 Benchmark]: Boogie Preprocessor took 60.04ms. Allocated memory is still 69.2MB. Free memory was 32.2MB in the beginning and 49.2MB in the end (delta: -17.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-31 21:50:42,885 INFO L158 Benchmark]: RCFGBuilder took 763.31ms. Allocated memory is still 69.2MB. Free memory was 48.9MB in the beginning and 39.2MB in the end (delta: 9.7MB). Peak memory consumption was 30.5MB. Max. memory is 16.1GB. [2023-08-31 21:50:42,886 INFO L158 Benchmark]: TraceAbstraction took 11601.36ms. Allocated memory was 69.2MB in the beginning and 169.9MB in the end (delta: 100.7MB). Free memory was 38.7MB in the beginning and 122.6MB in the end (delta: -83.9MB). Peak memory consumption was 98.6MB. Max. memory is 16.1GB. [2023-08-31 21:50:42,886 INFO L158 Benchmark]: Witness Printer took 41.65ms. Allocated memory is still 169.9MB. Free memory was 122.6MB in the beginning and 118.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-31 21:50:42,887 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 56.6MB. Free memory is still 34.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 166.88ms. Allocated memory is still 69.2MB. Free memory was 46.9MB in the beginning and 34.6MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.82ms. Allocated memory is still 69.2MB. Free memory was 34.4MB in the beginning and 32.2MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.04ms. Allocated memory is still 69.2MB. Free memory was 32.2MB in the beginning and 49.2MB in the end (delta: -17.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 763.31ms. Allocated memory is still 69.2MB. Free memory was 48.9MB in the beginning and 39.2MB in the end (delta: 9.7MB). Peak memory consumption was 30.5MB. Max. memory is 16.1GB. * TraceAbstraction took 11601.36ms. Allocated memory was 69.2MB in the beginning and 169.9MB in the end (delta: 100.7MB). Free memory was 38.7MB in the beginning and 122.6MB in the end (delta: -83.9MB). Peak memory consumption was 98.6MB. Max. memory is 16.1GB. * Witness Printer took 41.65ms. Allocated memory is still 169.9MB. Free memory was 122.6MB in the beginning and 118.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 7.5s, 214 PlacesBefore, 83 PlacesAfterwards, 216 TransitionsBefore, 80 TransitionsAfterwards, 5292 CoEnabledTransitionPairs, 8 FixpointIterations, 122 TrivialSequentialCompositions, 46 ConcurrentSequentialCompositions, 17 TrivialYvCompositions, 11 ConcurrentYvCompositions, 5 ChoiceCompositions, 201 TotalNumberOfCompositions, 36262 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 11108, independent: 10283, independent conditional: 0, independent unconditional: 10283, dependent: 825, dependent conditional: 0, dependent unconditional: 825, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 2550, independent: 2442, independent conditional: 0, independent unconditional: 2442, dependent: 108, dependent conditional: 0, dependent unconditional: 108, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 11108, independent: 7841, independent conditional: 0, independent unconditional: 7841, dependent: 717, dependent conditional: 0, dependent unconditional: 717, unknown: 2550, unknown conditional: 0, unknown unconditional: 2550] , Statistics on independence cache: Total cache size (in pairs): 546, Positive cache size: 491, Positive conditional cache size: 0, Positive unconditional cache size: 491, Negative cache size: 55, Negative conditional cache size: 0, Negative unconditional cache size: 55, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 111]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 284 locations, 60 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 11.5s, OverallIterations: 8, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 7.7s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 613 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 349 mSDsluCounter, 90 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 12 mSDsCounter, 179 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1154 IncrementalHoareTripleChecker+Invalid, 1333 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 179 mSolverCounterUnsat, 78 mSDtfsCounter, 1154 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 69 GetRequests, 44 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=178occurred in iteration=0, InterpolantAutomatonStates: 34, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 143 NumberOfCodeBlocks, 143 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 155 ConstructedInterpolants, 0 QuantifiedInterpolants, 476 SizeOfPredicates, 4 NumberOfNonLiveVariables, 239 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 10 InterpolantComputations, 8 PerfectInterpolantSequences, 8/10 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 35 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-31 21:50:42,905 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