./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/goblint-regression/13-privatized_38-traces-ex-4-switch_true.i --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations TOGETHER --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/goblint-regression/13-privatized_38-traces-ex-4-switch_true.i -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 6459c3a3aa967b53ca30e3b9918903c0b3ea7a6b804c927bd1e7a9e96906dc40 --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations TOGETHER --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-29 18:12:00,544 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 18:12:00,546 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 18:12:00,578 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 18:12:00,579 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 18:12:00,581 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 18:12:00,582 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 18:12:00,584 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 18:12:00,586 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 18:12:00,589 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 18:12:00,590 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 18:12:00,591 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 18:12:00,592 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 18:12:00,593 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 18:12:00,594 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 18:12:00,598 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 18:12:00,598 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 18:12:00,599 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 18:12:00,600 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 18:12:00,603 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 18:12:00,604 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 18:12:00,605 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 18:12:00,611 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 18:12:00,612 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 18:12:00,618 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 18:12:00,618 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 18:12:00,618 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 18:12:00,620 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 18:12:00,620 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 18:12:00,621 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 18:12:00,621 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 18:12:00,622 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 18:12:00,623 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 18:12:00,623 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 18:12:00,624 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 18:12:00,624 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 18:12:00,625 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 18:12:00,625 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 18:12:00,625 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 18:12:00,626 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 18:12:00,626 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 18:12:00,627 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-29 18:12:00,651 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 18:12:00,651 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 18:12:00,652 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 18:12:00,652 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 18:12:00,653 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 18:12:00,653 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 18:12:00,653 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 18:12:00,653 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 18:12:00,654 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 18:12:00,654 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 18:12:00,654 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 18:12:00,654 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 18:12:00,655 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-29 18:12:00,655 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 18:12:00,655 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 18:12:00,655 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 18:12:00,655 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 18:12:00,655 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 18:12:00,655 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 18:12:00,656 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 18:12:00,656 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 18:12:00,656 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 18:12:00,656 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 18:12:00,656 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 18:12:00,656 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 18:12:00,657 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 18:12:00,657 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 18:12:00,657 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 18:12:00,657 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 18:12:00,657 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 18:12:00,657 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-29 18:12:00,657 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-29 18:12:00,658 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 18:12:00,658 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 18:12:00,658 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 18:12:00,658 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 18:12:00,658 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 18:12:00,658 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6459c3a3aa967b53ca30e3b9918903c0b3ea7a6b804c927bd1e7a9e96906dc40 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> TOGETHER [2023-08-29 18:12:00,890 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 18:12:00,903 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 18:12:00,905 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 18:12:00,906 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 18:12:00,906 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 18:12:00,907 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_38-traces-ex-4-switch_true.i [2023-08-29 18:12:01,833 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 18:12:02,053 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 18:12:02,053 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_38-traces-ex-4-switch_true.i [2023-08-29 18:12:02,062 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a27a5bb8f/1e793fbf7c624dbaa80b3f0c94b75217/FLAG63f131b9a [2023-08-29 18:12:02,071 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a27a5bb8f/1e793fbf7c624dbaa80b3f0c94b75217 [2023-08-29 18:12:02,073 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 18:12:02,074 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 18:12:02,076 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 18:12:02,076 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 18:12:02,078 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 18:12:02,079 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 06:12:02" (1/1) ... [2023-08-29 18:12:02,080 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a2e43fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:12:02, skipping insertion in model container [2023-08-29 18:12:02,080 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 06:12:02" (1/1) ... [2023-08-29 18:12:02,085 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 18:12:02,124 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 18:12:02,247 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_38-traces-ex-4-switch_true.i[1095,1108] [2023-08-29 18:12:02,366 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 18:12:02,377 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 18:12:02,386 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_38-traces-ex-4-switch_true.i[1095,1108] [2023-08-29 18:12:02,413 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 18:12:02,447 INFO L208 MainTranslator]: Completed translation [2023-08-29 18:12:02,447 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:12:02 WrapperNode [2023-08-29 18:12:02,447 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 18:12:02,448 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 18:12:02,448 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 18:12:02,449 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 18:12:02,453 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:12:02" (1/1) ... [2023-08-29 18:12:02,475 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:12:02" (1/1) ... [2023-08-29 18:12:02,493 INFO L138 Inliner]: procedures = 162, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 51 [2023-08-29 18:12:02,493 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 18:12:02,494 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 18:12:02,495 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 18:12:02,495 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 18:12:02,501 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:12:02" (1/1) ... [2023-08-29 18:12:02,501 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:12:02" (1/1) ... [2023-08-29 18:12:02,505 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:12:02" (1/1) ... [2023-08-29 18:12:02,505 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:12:02" (1/1) ... [2023-08-29 18:12:02,517 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:12:02" (1/1) ... [2023-08-29 18:12:02,519 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:12:02" (1/1) ... [2023-08-29 18:12:02,523 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:12:02" (1/1) ... [2023-08-29 18:12:02,525 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:12:02" (1/1) ... [2023-08-29 18:12:02,528 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 18:12:02,531 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 18:12:02,531 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 18:12:02,531 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 18:12:02,532 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:12:02" (1/1) ... [2023-08-29 18:12:02,535 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 18:12:02,543 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 18:12:02,557 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-08-29 18:12:02,602 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-29 18:12:02,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-29 18:12:02,614 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-29 18:12:02,614 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 18:12:02,614 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 18:12:02,614 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-08-29 18:12:02,614 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-08-29 18:12:02,614 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 18:12:02,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-29 18:12:02,614 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 18:12:02,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 18:12:02,615 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-29 18:12:02,687 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 18:12:02,689 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 18:12:02,825 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 18:12:02,829 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 18:12:02,829 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-29 18:12:02,831 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 06:12:02 BoogieIcfgContainer [2023-08-29 18:12:02,831 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 18:12:02,832 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 18:12:02,832 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 18:12:02,834 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 18:12:02,834 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 06:12:02" (1/3) ... [2023-08-29 18:12:02,834 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68421b96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 06:12:02, skipping insertion in model container [2023-08-29 18:12:02,834 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:12:02" (2/3) ... [2023-08-29 18:12:02,834 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68421b96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 06:12:02, skipping insertion in model container [2023-08-29 18:12:02,835 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 06:12:02" (3/3) ... [2023-08-29 18:12:02,835 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_38-traces-ex-4-switch_true.i [2023-08-29 18:12:02,840 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 18:12:02,857 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 18:12:02,857 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2023-08-29 18:12:02,857 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 18:12:02,893 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-29 18:12:02,926 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 80 places, 77 transitions, 159 flow [2023-08-29 18:12:02,964 INFO L130 PetriNetUnfolder]: 1/76 cut-off events. [2023-08-29 18:12:02,964 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 18:12:02,967 INFO L83 FinitePrefix]: Finished finitePrefix Result has 80 conditions, 76 events. 1/76 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 54 event pairs, 0 based on Foata normal form. 0/72 useless extension candidates. Maximal degree in co-relation 47. Up to 2 conditions per place. [2023-08-29 18:12:02,968 INFO L82 GeneralOperation]: Start removeDead. Operand has 80 places, 77 transitions, 159 flow [2023-08-29 18:12:02,970 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 79 places, 76 transitions, 155 flow [2023-08-29 18:12:02,972 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-29 18:12:02,980 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 79 places, 76 transitions, 155 flow [2023-08-29 18:12:02,985 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 79 places, 76 transitions, 155 flow [2023-08-29 18:12:02,985 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 79 places, 76 transitions, 155 flow [2023-08-29 18:12:03,004 INFO L130 PetriNetUnfolder]: 1/76 cut-off events. [2023-08-29 18:12:03,006 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 18:12:03,007 INFO L83 FinitePrefix]: Finished finitePrefix Result has 80 conditions, 76 events. 1/76 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 54 event pairs, 0 based on Foata normal form. 0/72 useless extension candidates. Maximal degree in co-relation 47. Up to 2 conditions per place. [2023-08-29 18:12:03,009 INFO L119 LiptonReduction]: Number of co-enabled transitions 1104 [2023-08-29 18:12:04,655 INFO L134 LiptonReduction]: Checked pairs total: 4216 [2023-08-29 18:12:04,656 INFO L136 LiptonReduction]: Total number of compositions: 54 [2023-08-29 18:12:04,664 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-29 18:12:04,668 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;@6ca00c88, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-29 18:12:04,668 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2023-08-29 18:12:04,671 INFO L130 PetriNetUnfolder]: 0/10 cut-off events. [2023-08-29 18:12:04,672 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 18:12:04,672 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:12:04,672 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-08-29 18:12:04,672 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2023-08-29 18:12:04,675 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:12:04,675 INFO L85 PathProgramCache]: Analyzing trace with hash -711922326, now seen corresponding path program 1 times [2023-08-29 18:12:04,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:12:04,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1691101136] [2023-08-29 18:12:04,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:12:04,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:12:04,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:12:04,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 18:12:04,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:12:04,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1691101136] [2023-08-29 18:12:04,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1691101136] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:12:04,845 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:12:04,846 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 18:12:04,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622614079] [2023-08-29 18:12:04,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:12:04,851 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 18:12:04,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:12:04,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 18:12:04,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 18:12:04,877 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 69 out of 131 [2023-08-29 18:12:04,878 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 30 places, 27 transitions, 57 flow. Second operand has 3 states, 3 states have (on average 71.0) internal successors, (213), 3 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:12:04,878 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:12:04,878 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 69 of 131 [2023-08-29 18:12:04,879 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:12:04,954 INFO L130 PetriNetUnfolder]: 77/233 cut-off events. [2023-08-29 18:12:04,954 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 18:12:04,955 INFO L83 FinitePrefix]: Finished finitePrefix Result has 421 conditions, 233 events. 77/233 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 1058 event pairs, 23 based on Foata normal form. 0/225 useless extension candidates. Maximal degree in co-relation 412. Up to 109 conditions per place. [2023-08-29 18:12:04,957 INFO L137 encePairwiseOnDemand]: 125/131 looper letters, 24 selfloop transitions, 4 changer transitions 2/37 dead transitions. [2023-08-29 18:12:04,957 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 31 places, 37 transitions, 137 flow [2023-08-29 18:12:04,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 18:12:04,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 18:12:04,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 239 transitions. [2023-08-29 18:12:04,966 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6081424936386769 [2023-08-29 18:12:04,967 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 239 transitions. [2023-08-29 18:12:04,967 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 239 transitions. [2023-08-29 18:12:04,968 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:12:04,969 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 239 transitions. [2023-08-29 18:12:04,972 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 79.66666666666667) internal successors, (239), 3 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:12:04,974 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 131.0) internal successors, (524), 4 states have internal predecessors, (524), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:12:04,977 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 131.0) internal successors, (524), 4 states have internal predecessors, (524), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:12:04,978 INFO L175 Difference]: Start difference. First operand has 30 places, 27 transitions, 57 flow. Second operand 3 states and 239 transitions. [2023-08-29 18:12:04,978 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 31 places, 37 transitions, 137 flow [2023-08-29 18:12:04,979 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 30 places, 37 transitions, 136 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 18:12:04,980 INFO L231 Difference]: Finished difference. Result has 32 places, 28 transitions, 82 flow [2023-08-29 18:12:04,982 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=131, PETRI_DIFFERENCE_MINUEND_FLOW=52, PETRI_DIFFERENCE_MINUEND_PLACES=28, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=25, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=82, PETRI_PLACES=32, PETRI_TRANSITIONS=28} [2023-08-29 18:12:04,984 INFO L281 CegarLoopForPetriNet]: 30 programPoint places, 2 predicate places. [2023-08-29 18:12:04,986 INFO L495 AbstractCegarLoop]: Abstraction has has 32 places, 28 transitions, 82 flow [2023-08-29 18:12:04,986 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 71.0) internal successors, (213), 3 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:12:04,986 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:12:04,986 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-08-29 18:12:04,987 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-29 18:12:04,987 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2023-08-29 18:12:04,987 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:12:04,990 INFO L85 PathProgramCache]: Analyzing trace with hash -617396309, now seen corresponding path program 1 times [2023-08-29 18:12:04,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:12:04,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [324755752] [2023-08-29 18:12:04,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:12:04,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:12:05,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:12:05,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 18:12:05,028 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:12:05,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [324755752] [2023-08-29 18:12:05,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [324755752] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:12:05,029 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:12:05,029 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 18:12:05,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061801621] [2023-08-29 18:12:05,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:12:05,030 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 18:12:05,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:12:05,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 18:12:05,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 18:12:05,041 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 67 out of 131 [2023-08-29 18:12:05,043 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 32 places, 28 transitions, 82 flow. Second operand has 3 states, 3 states have (on average 69.0) internal successors, (207), 3 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:12:05,043 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:12:05,043 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 67 of 131 [2023-08-29 18:12:05,043 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:12:05,086 INFO L130 PetriNetUnfolder]: 67/212 cut-off events. [2023-08-29 18:12:05,086 INFO L131 PetriNetUnfolder]: For 33/33 co-relation queries the response was YES. [2023-08-29 18:12:05,089 INFO L83 FinitePrefix]: Finished finitePrefix Result has 440 conditions, 212 events. 67/212 cut-off events. For 33/33 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 963 event pairs, 48 based on Foata normal form. 0/202 useless extension candidates. Maximal degree in co-relation 430. Up to 148 conditions per place. [2023-08-29 18:12:05,090 INFO L137 encePairwiseOnDemand]: 127/131 looper letters, 21 selfloop transitions, 4 changer transitions 0/34 dead transitions. [2023-08-29 18:12:05,090 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 34 places, 34 transitions, 148 flow [2023-08-29 18:12:05,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 18:12:05,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 18:12:05,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 225 transitions. [2023-08-29 18:12:05,095 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5725190839694656 [2023-08-29 18:12:05,095 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 225 transitions. [2023-08-29 18:12:05,095 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 225 transitions. [2023-08-29 18:12:05,096 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:12:05,096 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 225 transitions. [2023-08-29 18:12:05,098 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 75.0) internal successors, (225), 3 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:12:05,099 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 131.0) internal successors, (524), 4 states have internal predecessors, (524), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:12:05,099 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 131.0) internal successors, (524), 4 states have internal predecessors, (524), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:12:05,100 INFO L175 Difference]: Start difference. First operand has 32 places, 28 transitions, 82 flow. Second operand 3 states and 225 transitions. [2023-08-29 18:12:05,100 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 34 places, 34 transitions, 148 flow [2023-08-29 18:12:05,101 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 32 places, 34 transitions, 138 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-29 18:12:05,101 INFO L231 Difference]: Finished difference. Result has 33 places, 30 transitions, 98 flow [2023-08-29 18:12:05,102 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=131, PETRI_DIFFERENCE_MINUEND_FLOW=74, PETRI_DIFFERENCE_MINUEND_PLACES=30, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=98, PETRI_PLACES=33, PETRI_TRANSITIONS=30} [2023-08-29 18:12:05,103 INFO L281 CegarLoopForPetriNet]: 30 programPoint places, 3 predicate places. [2023-08-29 18:12:05,103 INFO L495 AbstractCegarLoop]: Abstraction has has 33 places, 30 transitions, 98 flow [2023-08-29 18:12:05,104 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 69.0) internal successors, (207), 3 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:12:05,104 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:12:05,104 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 18:12:05,104 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-29 18:12:05,104 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2023-08-29 18:12:05,107 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:12:05,107 INFO L85 PathProgramCache]: Analyzing trace with hash 751412203, now seen corresponding path program 1 times [2023-08-29 18:12:05,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:12:05,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833564883] [2023-08-29 18:12:05,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:12:05,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:12:05,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:12:05,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 18:12:05,203 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:12:05,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1833564883] [2023-08-29 18:12:05,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1833564883] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:12:05,204 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:12:05,204 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-29 18:12:05,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886317326] [2023-08-29 18:12:05,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:12:05,205 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 18:12:05,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:12:05,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 18:12:05,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 18:12:05,224 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 65 out of 131 [2023-08-29 18:12:05,225 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 33 places, 30 transitions, 98 flow. Second operand has 3 states, 3 states have (on average 67.66666666666667) internal successors, (203), 3 states have internal predecessors, (203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:12:05,225 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:12:05,225 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 65 of 131 [2023-08-29 18:12:05,225 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:12:05,256 INFO L130 PetriNetUnfolder]: 45/162 cut-off events. [2023-08-29 18:12:05,256 INFO L131 PetriNetUnfolder]: For 46/46 co-relation queries the response was YES. [2023-08-29 18:12:05,256 INFO L83 FinitePrefix]: Finished finitePrefix Result has 359 conditions, 162 events. 45/162 cut-off events. For 46/46 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 618 event pairs, 12 based on Foata normal form. 14/176 useless extension candidates. Maximal degree in co-relation 348. Up to 81 conditions per place. [2023-08-29 18:12:05,257 INFO L137 encePairwiseOnDemand]: 123/131 looper letters, 18 selfloop transitions, 6 changer transitions 10/39 dead transitions. [2023-08-29 18:12:05,257 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 33 places, 39 transitions, 183 flow [2023-08-29 18:12:05,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 18:12:05,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 18:12:05,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 231 transitions. [2023-08-29 18:12:05,258 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5877862595419847 [2023-08-29 18:12:05,258 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 231 transitions. [2023-08-29 18:12:05,258 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 231 transitions. [2023-08-29 18:12:05,259 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:12:05,259 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 231 transitions. [2023-08-29 18:12:05,259 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 77.0) internal successors, (231), 3 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:12:05,260 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 131.0) internal successors, (524), 4 states have internal predecessors, (524), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:12:05,260 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 131.0) internal successors, (524), 4 states have internal predecessors, (524), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:12:05,260 INFO L175 Difference]: Start difference. First operand has 33 places, 30 transitions, 98 flow. Second operand 3 states and 231 transitions. [2023-08-29 18:12:05,260 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 33 places, 39 transitions, 183 flow [2023-08-29 18:12:05,261 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 30 places, 39 transitions, 162 flow, removed 3 selfloop flow, removed 3 redundant places. [2023-08-29 18:12:05,262 INFO L231 Difference]: Finished difference. Result has 31 places, 24 transitions, 82 flow [2023-08-29 18:12:05,262 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=131, PETRI_DIFFERENCE_MINUEND_FLOW=62, PETRI_DIFFERENCE_MINUEND_PLACES=28, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=25, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=82, PETRI_PLACES=31, PETRI_TRANSITIONS=24} [2023-08-29 18:12:05,262 INFO L281 CegarLoopForPetriNet]: 30 programPoint places, 1 predicate places. [2023-08-29 18:12:05,262 INFO L495 AbstractCegarLoop]: Abstraction has has 31 places, 24 transitions, 82 flow [2023-08-29 18:12:05,263 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 67.66666666666667) internal successors, (203), 3 states have internal predecessors, (203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:12:05,263 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:12:05,263 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 18:12:05,263 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-29 18:12:05,263 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2023-08-29 18:12:05,264 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:12:05,264 INFO L85 PathProgramCache]: Analyzing trace with hash -1107065748, now seen corresponding path program 1 times [2023-08-29 18:12:05,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:12:05,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1333601107] [2023-08-29 18:12:05,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:12:05,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:12:05,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:12:05,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 18:12:05,295 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:12:05,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1333601107] [2023-08-29 18:12:05,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1333601107] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:12:05,295 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:12:05,295 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 18:12:05,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673066914] [2023-08-29 18:12:05,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:12:05,296 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 18:12:05,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:12:05,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 18:12:05,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 18:12:05,304 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 67 out of 131 [2023-08-29 18:12:05,305 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 31 places, 24 transitions, 82 flow. Second operand has 3 states, 3 states have (on average 70.33333333333333) internal successors, (211), 3 states have internal predecessors, (211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:12:05,305 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:12:05,305 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 67 of 131 [2023-08-29 18:12:05,305 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:12:05,325 INFO L130 PetriNetUnfolder]: 25/100 cut-off events. [2023-08-29 18:12:05,325 INFO L131 PetriNetUnfolder]: For 33/33 co-relation queries the response was YES. [2023-08-29 18:12:05,326 INFO L83 FinitePrefix]: Finished finitePrefix Result has 241 conditions, 100 events. 25/100 cut-off events. For 33/33 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 325 event pairs, 17 based on Foata normal form. 5/103 useless extension candidates. Maximal degree in co-relation 230. Up to 69 conditions per place. [2023-08-29 18:12:05,326 INFO L137 encePairwiseOnDemand]: 129/131 looper letters, 0 selfloop transitions, 0 changer transitions 24/24 dead transitions. [2023-08-29 18:12:05,326 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 29 places, 24 transitions, 116 flow [2023-08-29 18:12:05,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 18:12:05,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 18:12:05,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 217 transitions. [2023-08-29 18:12:05,327 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5521628498727735 [2023-08-29 18:12:05,327 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 217 transitions. [2023-08-29 18:12:05,327 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 217 transitions. [2023-08-29 18:12:05,328 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:12:05,328 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 217 transitions. [2023-08-29 18:12:05,328 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 72.33333333333333) internal successors, (217), 3 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:12:05,329 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 131.0) internal successors, (524), 4 states have internal predecessors, (524), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:12:05,329 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 131.0) internal successors, (524), 4 states have internal predecessors, (524), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:12:05,329 INFO L175 Difference]: Start difference. First operand has 31 places, 24 transitions, 82 flow. Second operand 3 states and 217 transitions. [2023-08-29 18:12:05,329 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 29 places, 24 transitions, 116 flow [2023-08-29 18:12:05,330 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 28 places, 24 transitions, 110 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 18:12:05,330 INFO L231 Difference]: Finished difference. Result has 28 places, 0 transitions, 0 flow [2023-08-29 18:12:05,330 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=131, PETRI_DIFFERENCE_MINUEND_FLOW=74, PETRI_DIFFERENCE_MINUEND_PLACES=26, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=23, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=28, PETRI_TRANSITIONS=0} [2023-08-29 18:12:05,331 INFO L281 CegarLoopForPetriNet]: 30 programPoint places, -2 predicate places. [2023-08-29 18:12:05,331 INFO L495 AbstractCegarLoop]: Abstraction has has 28 places, 0 transitions, 0 flow [2023-08-29 18:12:05,331 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 70.33333333333333) internal successors, (211), 3 states have internal predecessors, (211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:12:05,333 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (5 of 6 remaining) [2023-08-29 18:12:05,333 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 6 remaining) [2023-08-29 18:12:05,334 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 6 remaining) [2023-08-29 18:12:05,334 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 6 remaining) [2023-08-29 18:12:05,334 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 6 remaining) [2023-08-29 18:12:05,334 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 6 remaining) [2023-08-29 18:12:05,334 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-29 18:12:05,334 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-08-29 18:12:05,337 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-29 18:12:05,338 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-29 18:12:05,340 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 06:12:05 BasicIcfg [2023-08-29 18:12:05,340 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-29 18:12:05,340 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-29 18:12:05,340 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-29 18:12:05,340 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-29 18:12:05,341 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 06:12:02" (3/4) ... [2023-08-29 18:12:05,342 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-29 18:12:05,346 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2023-08-29 18:12:05,348 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2023-08-29 18:12:05,348 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-08-29 18:12:05,348 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-08-29 18:12:05,348 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-08-29 18:12:05,368 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-29 18:12:05,368 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-29 18:12:05,369 INFO L158 Benchmark]: Toolchain (without parser) took 3294.57ms. Allocated memory was 98.6MB in the beginning and 119.5MB in the end (delta: 21.0MB). Free memory was 75.6MB in the beginning and 55.0MB in the end (delta: 20.6MB). Peak memory consumption was 45.9MB. Max. memory is 16.1GB. [2023-08-29 18:12:05,369 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 62.9MB. Free memory is still 41.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 18:12:05,369 INFO L158 Benchmark]: CACSL2BoogieTranslator took 371.79ms. Allocated memory is still 98.6MB. Free memory was 75.4MB in the beginning and 56.0MB in the end (delta: 19.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-08-29 18:12:05,369 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.28ms. Allocated memory is still 98.6MB. Free memory was 56.0MB in the beginning and 54.1MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 18:12:05,370 INFO L158 Benchmark]: Boogie Preprocessor took 35.70ms. Allocated memory is still 98.6MB. Free memory was 54.1MB in the beginning and 52.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 18:12:05,370 INFO L158 Benchmark]: RCFGBuilder took 300.20ms. Allocated memory is still 98.6MB. Free memory was 52.7MB in the beginning and 67.9MB in the end (delta: -15.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-29 18:12:05,370 INFO L158 Benchmark]: TraceAbstraction took 2507.99ms. Allocated memory was 98.6MB in the beginning and 119.5MB in the end (delta: 21.0MB). Free memory was 67.1MB in the beginning and 58.1MB in the end (delta: 9.0MB). Peak memory consumption was 32.0MB. Max. memory is 16.1GB. [2023-08-29 18:12:05,370 INFO L158 Benchmark]: Witness Printer took 27.99ms. Allocated memory is still 119.5MB. Free memory was 58.1MB in the beginning and 55.0MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-29 18:12:05,372 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 62.9MB. Free memory is still 41.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 371.79ms. Allocated memory is still 98.6MB. Free memory was 75.4MB in the beginning and 56.0MB in the end (delta: 19.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.28ms. Allocated memory is still 98.6MB. Free memory was 56.0MB in the beginning and 54.1MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.70ms. Allocated memory is still 98.6MB. Free memory was 54.1MB in the beginning and 52.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 300.20ms. Allocated memory is still 98.6MB. Free memory was 52.7MB in the beginning and 67.9MB in the end (delta: -15.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * TraceAbstraction took 2507.99ms. Allocated memory was 98.6MB in the beginning and 119.5MB in the end (delta: 21.0MB). Free memory was 67.1MB in the beginning and 58.1MB in the end (delta: 9.0MB). Peak memory consumption was 32.0MB. Max. memory is 16.1GB. * Witness Printer took 27.99ms. Allocated memory is still 119.5MB. Free memory was 58.1MB in the beginning and 55.0MB in the end (delta: 3.1MB). 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: 1.7s, 79 PlacesBefore, 30 PlacesAfterwards, 76 TransitionsBefore, 27 TransitionsAfterwards, 1104 CoEnabledTransitionPairs, 6 FixpointIterations, 27 TrivialSequentialCompositions, 26 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 54 TotalNumberOfCompositions, 4216 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1307, independent: 1035, independent conditional: 0, independent unconditional: 1035, dependent: 272, dependent conditional: 0, dependent unconditional: 272, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 571, independent: 531, independent conditional: 0, independent unconditional: 531, dependent: 40, dependent conditional: 0, dependent unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1307, independent: 504, independent conditional: 0, independent unconditional: 504, dependent: 232, dependent conditional: 0, dependent unconditional: 232, unknown: 571, unknown conditional: 0, unknown unconditional: 571] , Statistics on independence cache: Total cache size (in pairs): 77, Positive cache size: 54, Positive conditional cache size: 0, Positive unconditional cache size: 54, Negative cache size: 23, Negative conditional cache size: 0, Negative unconditional cache size: 23, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 700]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 687]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 690]: 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 3 procedures, 103 locations, 6 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: 2.4s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.7s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 92 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 40 mSDsluCounter, 1 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 20 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 194 IncrementalHoareTripleChecker+Invalid, 214 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 20 mSolverCounterUnsat, 1 mSDtfsCounter, 194 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=98occurred in iteration=2, InterpolantAutomatonStates: 12, 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, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 35 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 31 ConstructedInterpolants, 0 QuantifiedInterpolants, 43 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-29 18:12:05,395 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE