./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/weaver/unroll-5.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/unroll-5.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 c8ce32899aa465c1eaa89b234122d94aaf792bb347295ccb743670e04bba6b8e --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 21:56:23,672 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-31 21:56:23,674 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-31 21:56:23,716 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-31 21:56:23,718 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-31 21:56:23,721 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-31 21:56:23,723 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-31 21:56:23,725 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-31 21:56:23,727 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-31 21:56:23,731 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-31 21:56:23,732 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-31 21:56:23,734 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-31 21:56:23,734 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-31 21:56:23,736 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-31 21:56:23,737 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-31 21:56:23,743 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-31 21:56:23,744 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-31 21:56:23,746 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-31 21:56:23,747 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-31 21:56:23,749 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-31 21:56:23,750 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-31 21:56:23,751 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-31 21:56:23,752 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-31 21:56:23,759 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-31 21:56:23,764 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-31 21:56:23,767 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-31 21:56:23,767 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-31 21:56:23,768 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-31 21:56:23,769 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-31 21:56:23,770 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-31 21:56:23,770 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-31 21:56:23,773 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-31 21:56:23,775 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-31 21:56:23,776 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-31 21:56:23,778 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-31 21:56:23,779 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-31 21:56:23,779 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-31 21:56:23,780 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-31 21:56:23,780 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-31 21:56:23,781 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-31 21:56:23,781 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-31 21:56:23,782 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-31 21:56:23,811 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-31 21:56:23,812 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-31 21:56:23,813 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-31 21:56:23,813 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-31 21:56:23,814 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-31 21:56:23,814 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-31 21:56:23,815 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-31 21:56:23,815 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-31 21:56:23,815 INFO L138 SettingsManager]: * Use SBE=true [2023-08-31 21:56:23,815 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-31 21:56:23,816 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-31 21:56:23,816 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-31 21:56:23,816 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-31 21:56:23,816 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-31 21:56:23,817 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-31 21:56:23,817 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-31 21:56:23,817 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-31 21:56:23,817 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-31 21:56:23,817 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-31 21:56:23,818 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-31 21:56:23,818 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-31 21:56:23,818 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-31 21:56:23,818 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-31 21:56:23,818 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-31 21:56:23,819 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-31 21:56:23,819 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-31 21:56:23,819 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-31 21:56:23,819 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-31 21:56:23,819 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-31 21:56:23,820 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-31 21:56:23,820 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-31 21:56:23,820 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-31 21:56:23,820 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-31 21:56:23,820 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-31 21:56:23,821 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-31 21:56:23,821 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-31 21:56:23,821 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-31 21:56:23,821 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c8ce32899aa465c1eaa89b234122d94aaf792bb347295ccb743670e04bba6b8e Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> BEFORE [2023-08-31 21:56:24,116 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-31 21:56:24,135 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-31 21:56:24,141 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-31 21:56:24,142 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-31 21:56:24,142 INFO L275 PluginConnector]: CDTParser initialized [2023-08-31 21:56:24,143 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/unroll-5.wvr.c [2023-08-31 21:56:25,315 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-31 21:56:25,493 INFO L351 CDTParser]: Found 1 translation units. [2023-08-31 21:56:25,494 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/unroll-5.wvr.c [2023-08-31 21:56:25,501 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9eaa5605d/89f8c4bb105c4887822a5cec5a448394/FLAGd804b77f8 [2023-08-31 21:56:25,899 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9eaa5605d/89f8c4bb105c4887822a5cec5a448394 [2023-08-31 21:56:25,901 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-31 21:56:25,902 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-31 21:56:25,903 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-31 21:56:25,903 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-31 21:56:25,908 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-31 21:56:25,909 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 09:56:25" (1/1) ... [2023-08-31 21:56:25,912 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7829fb67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:56:25, skipping insertion in model container [2023-08-31 21:56:25,912 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 09:56:25" (1/1) ... [2023-08-31 21:56:25,917 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-31 21:56:25,931 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-31 21:56:26,083 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/unroll-5.wvr.c[2644,2657] [2023-08-31 21:56:26,088 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-31 21:56:26,100 INFO L203 MainTranslator]: Completed pre-run [2023-08-31 21:56:26,125 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/unroll-5.wvr.c[2644,2657] [2023-08-31 21:56:26,128 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-31 21:56:26,140 INFO L208 MainTranslator]: Completed translation [2023-08-31 21:56:26,141 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:56:26 WrapperNode [2023-08-31 21:56:26,141 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-31 21:56:26,142 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-31 21:56:26,142 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-31 21:56:26,143 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-31 21:56:26,148 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:56:26" (1/1) ... [2023-08-31 21:56:26,158 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:56:26" (1/1) ... [2023-08-31 21:56:26,196 INFO L138 Inliner]: procedures = 24, calls = 38, calls flagged for inlining = 14, calls inlined = 14, statements flattened = 348 [2023-08-31 21:56:26,196 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-31 21:56:26,197 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-31 21:56:26,197 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-31 21:56:26,197 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-31 21:56:26,204 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:56:26" (1/1) ... [2023-08-31 21:56:26,205 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:56:26" (1/1) ... [2023-08-31 21:56:26,209 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:56:26" (1/1) ... [2023-08-31 21:56:26,212 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:56:26" (1/1) ... [2023-08-31 21:56:26,234 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:56:26" (1/1) ... [2023-08-31 21:56:26,244 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:56:26" (1/1) ... [2023-08-31 21:56:26,246 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:56:26" (1/1) ... [2023-08-31 21:56:26,247 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:56:26" (1/1) ... [2023-08-31 21:56:26,255 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-31 21:56:26,256 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-31 21:56:26,256 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-31 21:56:26,256 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-31 21:56:26,257 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:56:26" (1/1) ... [2023-08-31 21:56:26,264 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-31 21:56:26,275 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-31 21:56:26,289 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 21:56:26,297 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 21:56:26,325 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-31 21:56:26,325 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-31 21:56:26,325 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-31 21:56:26,327 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-31 21:56:26,327 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-31 21:56:26,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-31 21:56:26,327 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-31 21:56:26,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-31 21:56:26,328 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-31 21:56:26,328 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-31 21:56:26,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-31 21:56:26,328 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-31 21:56:26,328 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-31 21:56:26,329 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 21:56:26,466 INFO L236 CfgBuilder]: Building ICFG [2023-08-31 21:56:26,467 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-31 21:56:27,030 INFO L277 CfgBuilder]: Performing block encoding [2023-08-31 21:56:27,041 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-31 21:56:27,041 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-08-31 21:56:27,043 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 09:56:27 BoogieIcfgContainer [2023-08-31 21:56:27,044 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-31 21:56:27,045 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-31 21:56:27,045 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-31 21:56:27,048 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-31 21:56:27,048 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.08 09:56:25" (1/3) ... [2023-08-31 21:56:27,048 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3db7cadc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.08 09:56:27, skipping insertion in model container [2023-08-31 21:56:27,049 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:56:26" (2/3) ... [2023-08-31 21:56:27,049 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3db7cadc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.08 09:56:27, skipping insertion in model container [2023-08-31 21:56:27,049 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 09:56:27" (3/3) ... [2023-08-31 21:56:27,050 INFO L112 eAbstractionObserver]: Analyzing ICFG unroll-5.wvr.c [2023-08-31 21:56:27,057 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-31 21:56:27,064 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-31 21:56:27,065 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 55 error locations. [2023-08-31 21:56:27,065 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-31 21:56:27,200 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-31 21:56:27,235 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 414 places, 430 transitions, 876 flow [2023-08-31 21:56:27,361 INFO L130 PetriNetUnfolder]: 23/428 cut-off events. [2023-08-31 21:56:27,361 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-31 21:56:27,377 INFO L83 FinitePrefix]: Finished finitePrefix Result has 437 conditions, 428 events. 23/428 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 566 event pairs, 0 based on Foata normal form. 0/350 useless extension candidates. Maximal degree in co-relation 295. Up to 2 conditions per place. [2023-08-31 21:56:27,377 INFO L82 GeneralOperation]: Start removeDead. Operand has 414 places, 430 transitions, 876 flow [2023-08-31 21:56:27,385 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 398 places, 413 transitions, 838 flow [2023-08-31 21:56:27,388 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-31 21:56:27,406 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 398 places, 413 transitions, 838 flow [2023-08-31 21:56:27,408 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 398 places, 413 transitions, 838 flow [2023-08-31 21:56:27,409 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 398 places, 413 transitions, 838 flow [2023-08-31 21:56:27,491 INFO L130 PetriNetUnfolder]: 22/413 cut-off events. [2023-08-31 21:56:27,492 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-31 21:56:27,497 INFO L83 FinitePrefix]: Finished finitePrefix Result has 422 conditions, 413 events. 22/413 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 517 event pairs, 0 based on Foata normal form. 0/337 useless extension candidates. Maximal degree in co-relation 295. Up to 2 conditions per place. [2023-08-31 21:56:27,511 INFO L119 LiptonReduction]: Number of co-enabled transitions 32920 [2023-08-31 21:56:35,080 INFO L134 LiptonReduction]: Checked pairs total: 133426 [2023-08-31 21:56:35,080 INFO L136 LiptonReduction]: Total number of compositions: 432 [2023-08-31 21:56:35,093 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-31 21:56:35,099 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;@41f2f882, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-31 21:56:35,099 INFO L358 AbstractCegarLoop]: Starting to check reachability of 101 error locations. [2023-08-31 21:56:35,100 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2023-08-31 21:56:35,100 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-31 21:56:35,101 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:56:35,101 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-31 21:56:35,102 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 97 more)] === [2023-08-31 21:56:35,105 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:56:35,106 INFO L85 PathProgramCache]: Analyzing trace with hash 1687, now seen corresponding path program 1 times [2023-08-31 21:56:35,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:56:35,114 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [707941604] [2023-08-31 21:56:35,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:56:35,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:56:35,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:56:35,261 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 21:56:35,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:56:35,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [707941604] [2023-08-31 21:56:35,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [707941604] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:56:35,262 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:56:35,263 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-31 21:56:35,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20169847] [2023-08-31 21:56:35,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:56:35,271 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-31 21:56:35,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:56:35,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-31 21:56:35,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-31 21:56:35,297 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 411 out of 862 [2023-08-31 21:56:35,300 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 141 places, 145 transitions, 302 flow. Second operand has 2 states, 2 states have (on average 411.5) internal successors, (823), 2 states have internal predecessors, (823), 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 21:56:35,300 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:56:35,301 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 411 of 862 [2023-08-31 21:56:35,301 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:56:35,721 INFO L130 PetriNetUnfolder]: 984/2429 cut-off events. [2023-08-31 21:56:35,721 INFO L131 PetriNetUnfolder]: For 107/107 co-relation queries the response was YES. [2023-08-31 21:56:35,725 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4078 conditions, 2429 events. 984/2429 cut-off events. For 107/107 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 15663 event pairs, 782 based on Foata normal form. 427/2603 useless extension candidates. Maximal degree in co-relation 3642. Up to 1594 conditions per place. [2023-08-31 21:56:35,737 INFO L137 encePairwiseOnDemand]: 822/862 looper letters, 49 selfloop transitions, 0 changer transitions 1/105 dead transitions. [2023-08-31 21:56:35,737 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 109 places, 105 transitions, 322 flow [2023-08-31 21:56:35,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-31 21:56:35,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-31 21:56:35,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 912 transitions. [2023-08-31 21:56:35,755 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5290023201856149 [2023-08-31 21:56:35,756 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 912 transitions. [2023-08-31 21:56:35,756 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 912 transitions. [2023-08-31 21:56:35,760 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:56:35,762 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 912 transitions. [2023-08-31 21:56:35,767 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 456.0) internal successors, (912), 2 states have internal predecessors, (912), 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 21:56:35,774 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 862.0) internal successors, (2586), 3 states have internal predecessors, (2586), 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 21:56:35,776 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 862.0) internal successors, (2586), 3 states have internal predecessors, (2586), 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 21:56:35,778 INFO L175 Difference]: Start difference. First operand has 141 places, 145 transitions, 302 flow. Second operand 2 states and 912 transitions. [2023-08-31 21:56:35,778 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 109 places, 105 transitions, 322 flow [2023-08-31 21:56:35,783 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 105 places, 105 transitions, 314 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-31 21:56:35,785 INFO L231 Difference]: Finished difference. Result has 105 places, 104 transitions, 211 flow [2023-08-31 21:56:35,787 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=862, PETRI_DIFFERENCE_MINUEND_FLOW=214, PETRI_DIFFERENCE_MINUEND_PLACES=104, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=105, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=105, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=211, PETRI_PLACES=105, PETRI_TRANSITIONS=104} [2023-08-31 21:56:35,790 INFO L281 CegarLoopForPetriNet]: 141 programPoint places, -36 predicate places. [2023-08-31 21:56:35,791 INFO L495 AbstractCegarLoop]: Abstraction has has 105 places, 104 transitions, 211 flow [2023-08-31 21:56:35,791 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 411.5) internal successors, (823), 2 states have internal predecessors, (823), 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 21:56:35,792 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:56:35,792 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-08-31 21:56:35,793 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-31 21:56:35,794 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 97 more)] === [2023-08-31 21:56:35,797 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:56:35,797 INFO L85 PathProgramCache]: Analyzing trace with hash -1442472088, now seen corresponding path program 1 times [2023-08-31 21:56:35,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:56:35,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612486582] [2023-08-31 21:56:35,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:56:35,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:56:35,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:56:35,938 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 21:56:35,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:56:35,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1612486582] [2023-08-31 21:56:35,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1612486582] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:56:35,939 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:56:35,939 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 21:56:35,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451005375] [2023-08-31 21:56:35,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:56:35,940 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 21:56:35,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:56:35,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 21:56:35,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 21:56:35,958 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 401 out of 862 [2023-08-31 21:56:35,960 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 105 places, 104 transitions, 211 flow. Second operand has 3 states, 3 states have (on average 402.6666666666667) internal successors, (1208), 3 states have internal predecessors, (1208), 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 21:56:35,960 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:56:35,960 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 401 of 862 [2023-08-31 21:56:35,961 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:56:36,240 INFO L130 PetriNetUnfolder]: 1020/2529 cut-off events. [2023-08-31 21:56:36,240 INFO L131 PetriNetUnfolder]: For 34/34 co-relation queries the response was YES. [2023-08-31 21:56:36,243 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4259 conditions, 2529 events. 1020/2529 cut-off events. For 34/34 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 15867 event pairs, 909 based on Foata normal form. 0/2363 useless extension candidates. Maximal degree in co-relation 4256. Up to 1715 conditions per place. [2023-08-31 21:56:36,252 INFO L137 encePairwiseOnDemand]: 859/862 looper letters, 50 selfloop transitions, 1 changer transitions 0/102 dead transitions. [2023-08-31 21:56:36,252 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 104 places, 102 transitions, 309 flow [2023-08-31 21:56:36,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 21:56:36,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 21:56:36,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1256 transitions. [2023-08-31 21:56:36,256 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.48569218870843 [2023-08-31 21:56:36,256 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1256 transitions. [2023-08-31 21:56:36,256 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1256 transitions. [2023-08-31 21:56:36,257 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:56:36,257 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1256 transitions. [2023-08-31 21:56:36,260 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 418.6666666666667) internal successors, (1256), 3 states have internal predecessors, (1256), 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 21:56:36,264 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 862.0) internal successors, (3448), 4 states have internal predecessors, (3448), 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 21:56:36,266 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 862.0) internal successors, (3448), 4 states have internal predecessors, (3448), 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 21:56:36,266 INFO L175 Difference]: Start difference. First operand has 105 places, 104 transitions, 211 flow. Second operand 3 states and 1256 transitions. [2023-08-31 21:56:36,266 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 104 places, 102 transitions, 309 flow [2023-08-31 21:56:36,267 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 104 places, 102 transitions, 309 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-31 21:56:36,269 INFO L231 Difference]: Finished difference. Result has 104 places, 102 transitions, 209 flow [2023-08-31 21:56:36,270 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=862, PETRI_DIFFERENCE_MINUEND_FLOW=207, PETRI_DIFFERENCE_MINUEND_PLACES=102, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=102, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=101, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=209, PETRI_PLACES=104, PETRI_TRANSITIONS=102} [2023-08-31 21:56:36,270 INFO L281 CegarLoopForPetriNet]: 141 programPoint places, -37 predicate places. [2023-08-31 21:56:36,271 INFO L495 AbstractCegarLoop]: Abstraction has has 104 places, 102 transitions, 209 flow [2023-08-31 21:56:36,272 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 402.6666666666667) internal successors, (1208), 3 states have internal predecessors, (1208), 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 21:56:36,272 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:56:36,272 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:56:36,272 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-31 21:56:36,272 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 97 more)] === [2023-08-31 21:56:36,274 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:56:36,274 INFO L85 PathProgramCache]: Analyzing trace with hash 1059376211, now seen corresponding path program 1 times [2023-08-31 21:56:36,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:56:36,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456111728] [2023-08-31 21:56:36,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:56:36,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:56:36,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:56:36,354 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 21:56:36,354 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:56:36,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1456111728] [2023-08-31 21:56:36,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1456111728] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:56:36,355 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:56:36,355 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 21:56:36,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104714368] [2023-08-31 21:56:36,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:56:36,356 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 21:56:36,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:56:36,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 21:56:36,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 21:56:36,381 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 386 out of 862 [2023-08-31 21:56:36,382 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 104 places, 102 transitions, 209 flow. Second operand has 3 states, 3 states have (on average 388.0) internal successors, (1164), 3 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 21:56:36,382 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:56:36,383 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 386 of 862 [2023-08-31 21:56:36,383 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:56:36,614 INFO L130 PetriNetUnfolder]: 984/2299 cut-off events. [2023-08-31 21:56:36,614 INFO L131 PetriNetUnfolder]: For 33/33 co-relation queries the response was YES. [2023-08-31 21:56:36,617 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3905 conditions, 2299 events. 984/2299 cut-off events. For 33/33 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 14243 event pairs, 782 based on Foata normal form. 0/2047 useless extension candidates. Maximal degree in co-relation 3901. Up to 1592 conditions per place. [2023-08-31 21:56:36,624 INFO L137 encePairwiseOnDemand]: 855/862 looper letters, 48 selfloop transitions, 1 changer transitions 0/96 dead transitions. [2023-08-31 21:56:36,625 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 100 places, 96 transitions, 295 flow [2023-08-31 21:56:36,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 21:56:36,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 21:56:36,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1213 transitions. [2023-08-31 21:56:36,628 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4690641918020108 [2023-08-31 21:56:36,628 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1213 transitions. [2023-08-31 21:56:36,629 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1213 transitions. [2023-08-31 21:56:36,629 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:56:36,629 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1213 transitions. [2023-08-31 21:56:36,632 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 404.3333333333333) internal successors, (1213), 3 states have internal predecessors, (1213), 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 21:56:36,636 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 862.0) internal successors, (3448), 4 states have internal predecessors, (3448), 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 21:56:36,638 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 862.0) internal successors, (3448), 4 states have internal predecessors, (3448), 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 21:56:36,638 INFO L175 Difference]: Start difference. First operand has 104 places, 102 transitions, 209 flow. Second operand 3 states and 1213 transitions. [2023-08-31 21:56:36,638 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 100 places, 96 transitions, 295 flow [2023-08-31 21:56:36,639 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 99 places, 96 transitions, 294 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-31 21:56:36,640 INFO L231 Difference]: Finished difference. Result has 99 places, 96 transitions, 198 flow [2023-08-31 21:56:36,640 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=862, PETRI_DIFFERENCE_MINUEND_FLOW=196, PETRI_DIFFERENCE_MINUEND_PLACES=97, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=96, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=95, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=198, PETRI_PLACES=99, PETRI_TRANSITIONS=96} [2023-08-31 21:56:36,641 INFO L281 CegarLoopForPetriNet]: 141 programPoint places, -42 predicate places. [2023-08-31 21:56:36,641 INFO L495 AbstractCegarLoop]: Abstraction has has 99 places, 96 transitions, 198 flow [2023-08-31 21:56:36,642 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 388.0) internal successors, (1164), 3 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 21:56:36,642 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:56:36,643 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:56:36,643 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-31 21:56:36,643 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 97 more)] === [2023-08-31 21:56:36,643 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:56:36,643 INFO L85 PathProgramCache]: Analyzing trace with hash 153963024, now seen corresponding path program 1 times [2023-08-31 21:56:36,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:56:36,644 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477230726] [2023-08-31 21:56:36,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:56:36,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:56:36,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:56:36,686 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 21:56:36,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:56:36,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [477230726] [2023-08-31 21:56:36,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [477230726] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:56:36,687 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:56:36,687 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 21:56:36,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543326993] [2023-08-31 21:56:36,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:56:36,687 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 21:56:36,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:56:36,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 21:56:36,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 21:56:36,707 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 392 out of 862 [2023-08-31 21:56:36,708 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 96 transitions, 198 flow. Second operand has 3 states, 3 states have (on average 394.6666666666667) internal successors, (1184), 3 states have internal predecessors, (1184), 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 21:56:36,708 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:56:36,709 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 392 of 862 [2023-08-31 21:56:36,712 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:56:36,996 INFO L130 PetriNetUnfolder]: 1230/2606 cut-off events. [2023-08-31 21:56:36,996 INFO L131 PetriNetUnfolder]: For 34/34 co-relation queries the response was YES. [2023-08-31 21:56:37,000 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4622 conditions, 2606 events. 1230/2606 cut-off events. For 34/34 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 15194 event pairs, 246 based on Foata normal form. 0/2301 useless extension candidates. Maximal degree in co-relation 4618. Up to 1839 conditions per place. [2023-08-31 21:56:37,010 INFO L137 encePairwiseOnDemand]: 854/862 looper letters, 65 selfloop transitions, 2 changer transitions 0/106 dead transitions. [2023-08-31 21:56:37,011 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 95 places, 106 transitions, 354 flow [2023-08-31 21:56:37,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 21:56:37,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 21:56:37,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1249 transitions. [2023-08-31 21:56:37,014 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.48298530549110597 [2023-08-31 21:56:37,015 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1249 transitions. [2023-08-31 21:56:37,018 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1249 transitions. [2023-08-31 21:56:37,019 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:56:37,019 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1249 transitions. [2023-08-31 21:56:37,021 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 416.3333333333333) internal successors, (1249), 3 states have internal predecessors, (1249), 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 21:56:37,026 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 862.0) internal successors, (3448), 4 states have internal predecessors, (3448), 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 21:56:37,027 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 862.0) internal successors, (3448), 4 states have internal predecessors, (3448), 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 21:56:37,027 INFO L175 Difference]: Start difference. First operand has 99 places, 96 transitions, 198 flow. Second operand 3 states and 1249 transitions. [2023-08-31 21:56:37,028 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 95 places, 106 transitions, 354 flow [2023-08-31 21:56:37,029 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 106 transitions, 353 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-31 21:56:37,030 INFO L231 Difference]: Finished difference. Result has 95 places, 92 transitions, 199 flow [2023-08-31 21:56:37,030 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=862, PETRI_DIFFERENCE_MINUEND_FLOW=185, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=90, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=88, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=199, PETRI_PLACES=95, PETRI_TRANSITIONS=92} [2023-08-31 21:56:37,032 INFO L281 CegarLoopForPetriNet]: 141 programPoint places, -46 predicate places. [2023-08-31 21:56:37,032 INFO L495 AbstractCegarLoop]: Abstraction has has 95 places, 92 transitions, 199 flow [2023-08-31 21:56:37,033 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 394.6666666666667) internal successors, (1184), 3 states have internal predecessors, (1184), 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 21:56:37,033 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:56:37,033 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:56:37,033 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-31 21:56:37,033 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 97 more)] === [2023-08-31 21:56:37,034 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:56:37,034 INFO L85 PathProgramCache]: Analyzing trace with hash -1248189953, now seen corresponding path program 1 times [2023-08-31 21:56:37,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:56:37,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [901294072] [2023-08-31 21:56:37,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:56:37,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:56:37,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:56:37,156 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 21:56:37,156 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:56:37,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [901294072] [2023-08-31 21:56:37,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [901294072] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:56:37,156 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:56:37,157 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 21:56:37,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7708485] [2023-08-31 21:56:37,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:56:37,157 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 21:56:37,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:56:37,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 21:56:37,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 21:56:37,179 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 407 out of 862 [2023-08-31 21:56:37,180 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 95 places, 92 transitions, 199 flow. Second operand has 3 states, 3 states have (on average 409.0) internal successors, (1227), 3 states have internal predecessors, (1227), 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 21:56:37,181 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:56:37,181 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 407 of 862 [2023-08-31 21:56:37,181 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:56:37,448 INFO L130 PetriNetUnfolder]: 1128/2526 cut-off events. [2023-08-31 21:56:37,448 INFO L131 PetriNetUnfolder]: For 60/60 co-relation queries the response was YES. [2023-08-31 21:56:37,452 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4474 conditions, 2526 events. 1128/2526 cut-off events. For 60/60 co-relation queries the response was YES. Maximal size of possible extension queue 82. Compared 15337 event pairs, 889 based on Foata normal form. 0/2222 useless extension candidates. Maximal degree in co-relation 4470. Up to 1851 conditions per place. [2023-08-31 21:56:37,461 INFO L137 encePairwiseOnDemand]: 859/862 looper letters, 49 selfloop transitions, 2 changer transitions 0/93 dead transitions. [2023-08-31 21:56:37,461 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 97 places, 93 transitions, 303 flow [2023-08-31 21:56:37,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 21:56:37,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 21:56:37,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1272 transitions. [2023-08-31 21:56:37,464 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4918793503480278 [2023-08-31 21:56:37,464 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1272 transitions. [2023-08-31 21:56:37,465 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1272 transitions. [2023-08-31 21:56:37,465 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:56:37,465 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1272 transitions. [2023-08-31 21:56:37,469 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 424.0) internal successors, (1272), 3 states have internal predecessors, (1272), 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 21:56:37,473 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 862.0) internal successors, (3448), 4 states have internal predecessors, (3448), 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 21:56:37,474 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 862.0) internal successors, (3448), 4 states have internal predecessors, (3448), 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 21:56:37,475 INFO L175 Difference]: Start difference. First operand has 95 places, 92 transitions, 199 flow. Second operand 3 states and 1272 transitions. [2023-08-31 21:56:37,475 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 97 places, 93 transitions, 303 flow [2023-08-31 21:56:37,477 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 97 places, 93 transitions, 303 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-31 21:56:37,478 INFO L231 Difference]: Finished difference. Result has 98 places, 93 transitions, 211 flow [2023-08-31 21:56:37,479 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=862, PETRI_DIFFERENCE_MINUEND_FLOW=199, PETRI_DIFFERENCE_MINUEND_PLACES=95, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=92, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=90, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=211, PETRI_PLACES=98, PETRI_TRANSITIONS=93} [2023-08-31 21:56:37,481 INFO L281 CegarLoopForPetriNet]: 141 programPoint places, -43 predicate places. [2023-08-31 21:56:37,481 INFO L495 AbstractCegarLoop]: Abstraction has has 98 places, 93 transitions, 211 flow [2023-08-31 21:56:37,482 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 409.0) internal successors, (1227), 3 states have internal predecessors, (1227), 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 21:56:37,482 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:56:37,482 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:56:37,483 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-31 21:56:37,483 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 97 more)] === [2023-08-31 21:56:37,485 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:56:37,485 INFO L85 PathProgramCache]: Analyzing trace with hash 465891094, now seen corresponding path program 1 times [2023-08-31 21:56:37,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:56:37,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111590829] [2023-08-31 21:56:37,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:56:37,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:56:37,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:56:37,843 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 21:56:37,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:56:37,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [111590829] [2023-08-31 21:56:37,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [111590829] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:56:37,844 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:56:37,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-31 21:56:37,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1399459415] [2023-08-31 21:56:37,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:56:37,844 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-31 21:56:37,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:56:37,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-31 21:56:37,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-31 21:56:38,147 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 398 out of 862 [2023-08-31 21:56:38,150 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 98 places, 93 transitions, 211 flow. Second operand has 6 states, 6 states have (on average 399.8333333333333) internal successors, (2399), 6 states have internal predecessors, (2399), 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 21:56:38,150 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:56:38,150 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 398 of 862 [2023-08-31 21:56:38,150 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:56:38,919 INFO L130 PetriNetUnfolder]: 3798/6460 cut-off events. [2023-08-31 21:56:38,919 INFO L131 PetriNetUnfolder]: For 74/74 co-relation queries the response was YES. [2023-08-31 21:56:38,928 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12441 conditions, 6460 events. 3798/6460 cut-off events. For 74/74 co-relation queries the response was YES. Maximal size of possible extension queue 171. Compared 41193 event pairs, 262 based on Foata normal form. 0/5669 useless extension candidates. Maximal degree in co-relation 12435. Up to 2136 conditions per place. [2023-08-31 21:56:38,956 INFO L137 encePairwiseOnDemand]: 857/862 looper letters, 215 selfloop transitions, 4 changer transitions 0/256 dead transitions. [2023-08-31 21:56:38,956 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 102 places, 256 transitions, 995 flow [2023-08-31 21:56:38,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-31 21:56:38,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-31 21:56:38,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2602 transitions. [2023-08-31 21:56:38,963 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5030935808197989 [2023-08-31 21:56:38,964 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2602 transitions. [2023-08-31 21:56:38,964 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2602 transitions. [2023-08-31 21:56:38,965 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:56:38,965 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2602 transitions. [2023-08-31 21:56:38,971 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 433.6666666666667) internal successors, (2602), 6 states have internal predecessors, (2602), 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 21:56:38,980 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 862.0) internal successors, (6034), 7 states have internal predecessors, (6034), 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 21:56:38,982 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 862.0) internal successors, (6034), 7 states have internal predecessors, (6034), 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 21:56:38,982 INFO L175 Difference]: Start difference. First operand has 98 places, 93 transitions, 211 flow. Second operand 6 states and 2602 transitions. [2023-08-31 21:56:38,982 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 102 places, 256 transitions, 995 flow [2023-08-31 21:56:38,985 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 101 places, 256 transitions, 991 flow, removed 1 selfloop flow, removed 1 redundant places. [2023-08-31 21:56:38,987 INFO L231 Difference]: Finished difference. Result has 101 places, 92 transitions, 213 flow [2023-08-31 21:56:38,988 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=862, PETRI_DIFFERENCE_MINUEND_FLOW=205, PETRI_DIFFERENCE_MINUEND_PLACES=96, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=92, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=88, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=213, PETRI_PLACES=101, PETRI_TRANSITIONS=92} [2023-08-31 21:56:38,989 INFO L281 CegarLoopForPetriNet]: 141 programPoint places, -40 predicate places. [2023-08-31 21:56:38,990 INFO L495 AbstractCegarLoop]: Abstraction has has 101 places, 92 transitions, 213 flow [2023-08-31 21:56:38,991 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 399.8333333333333) internal successors, (2399), 6 states have internal predecessors, (2399), 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 21:56:38,991 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:56:38,992 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:56:38,992 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-31 21:56:38,992 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 97 more)] === [2023-08-31 21:56:38,993 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:56:38,993 INFO L85 PathProgramCache]: Analyzing trace with hash 583668904, now seen corresponding path program 1 times [2023-08-31 21:56:38,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:56:38,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301898103] [2023-08-31 21:56:38,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:56:38,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:56:39,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:56:39,048 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 21:56:39,048 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:56:39,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1301898103] [2023-08-31 21:56:39,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1301898103] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:56:39,049 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:56:39,049 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 21:56:39,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370656144] [2023-08-31 21:56:39,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:56:39,050 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 21:56:39,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:56:39,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 21:56:39,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 21:56:39,121 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 405 out of 862 [2023-08-31 21:56:39,122 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 101 places, 92 transitions, 213 flow. Second operand has 3 states, 3 states have (on average 408.3333333333333) internal successors, (1225), 3 states have internal predecessors, (1225), 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 21:56:39,123 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:56:39,123 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 405 of 862 [2023-08-31 21:56:39,123 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:56:39,407 INFO L130 PetriNetUnfolder]: 1289/2865 cut-off events. [2023-08-31 21:56:39,407 INFO L131 PetriNetUnfolder]: For 429/429 co-relation queries the response was YES. [2023-08-31 21:56:39,412 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5531 conditions, 2865 events. 1289/2865 cut-off events. For 429/429 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 17113 event pairs, 260 based on Foata normal form. 0/2564 useless extension candidates. Maximal degree in co-relation 5525. Up to 1629 conditions per place. [2023-08-31 21:56:39,420 INFO L137 encePairwiseOnDemand]: 858/862 looper letters, 67 selfloop transitions, 3 changer transitions 0/111 dead transitions. [2023-08-31 21:56:39,420 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 111 transitions, 396 flow [2023-08-31 21:56:39,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 21:56:39,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 21:56:39,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1284 transitions. [2023-08-31 21:56:39,424 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4965197215777262 [2023-08-31 21:56:39,424 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1284 transitions. [2023-08-31 21:56:39,424 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1284 transitions. [2023-08-31 21:56:39,425 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:56:39,425 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1284 transitions. [2023-08-31 21:56:39,427 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 428.0) internal successors, (1284), 3 states have internal predecessors, (1284), 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 21:56:39,430 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 862.0) internal successors, (3448), 4 states have internal predecessors, (3448), 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 21:56:39,431 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 862.0) internal successors, (3448), 4 states have internal predecessors, (3448), 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 21:56:39,431 INFO L175 Difference]: Start difference. First operand has 101 places, 92 transitions, 213 flow. Second operand 3 states and 1284 transitions. [2023-08-31 21:56:39,431 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 103 places, 111 transitions, 396 flow [2023-08-31 21:56:39,433 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 99 places, 111 transitions, 387 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-31 21:56:39,435 INFO L231 Difference]: Finished difference. Result has 100 places, 94 transitions, 225 flow [2023-08-31 21:56:39,435 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=862, PETRI_DIFFERENCE_MINUEND_FLOW=206, PETRI_DIFFERENCE_MINUEND_PLACES=97, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=92, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=225, PETRI_PLACES=100, PETRI_TRANSITIONS=94} [2023-08-31 21:56:39,436 INFO L281 CegarLoopForPetriNet]: 141 programPoint places, -41 predicate places. [2023-08-31 21:56:39,436 INFO L495 AbstractCegarLoop]: Abstraction has has 100 places, 94 transitions, 225 flow [2023-08-31 21:56:39,437 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 408.3333333333333) internal successors, (1225), 3 states have internal predecessors, (1225), 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 21:56:39,437 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:56:39,437 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:56:39,437 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-08-31 21:56:39,438 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 97 more)] === [2023-08-31 21:56:39,438 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:56:39,438 INFO L85 PathProgramCache]: Analyzing trace with hash -442053518, now seen corresponding path program 1 times [2023-08-31 21:56:39,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:56:39,438 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436922370] [2023-08-31 21:56:39,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:56:39,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:56:39,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:56:39,716 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 21:56:39,717 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:56:39,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1436922370] [2023-08-31 21:56:39,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1436922370] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:56:39,717 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:56:39,718 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-31 21:56:39,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [278823339] [2023-08-31 21:56:39,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:56:39,718 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-31 21:56:39,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:56:39,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-31 21:56:39,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-31 21:56:40,122 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 397 out of 862 [2023-08-31 21:56:40,124 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 100 places, 94 transitions, 225 flow. Second operand has 6 states, 6 states have (on average 399.3333333333333) internal successors, (2396), 6 states have internal predecessors, (2396), 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 21:56:40,124 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:56:40,124 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 397 of 862 [2023-08-31 21:56:40,124 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:56:40,776 INFO L130 PetriNetUnfolder]: 1793/3647 cut-off events. [2023-08-31 21:56:40,776 INFO L131 PetriNetUnfolder]: For 157/157 co-relation queries the response was YES. [2023-08-31 21:56:40,783 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6970 conditions, 3647 events. 1793/3647 cut-off events. For 157/157 co-relation queries the response was YES. Maximal size of possible extension queue 69. Compared 21193 event pairs, 1060 based on Foata normal form. 0/3338 useless extension candidates. Maximal degree in co-relation 6963. Up to 2145 conditions per place. [2023-08-31 21:56:40,792 INFO L137 encePairwiseOnDemand]: 856/862 looper letters, 204 selfloop transitions, 5 changer transitions 0/245 dead transitions. [2023-08-31 21:56:40,792 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 104 places, 245 transitions, 1005 flow [2023-08-31 21:56:40,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-31 21:56:40,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-31 21:56:40,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2580 transitions. [2023-08-31 21:56:40,799 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4988399071925754 [2023-08-31 21:56:40,799 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2580 transitions. [2023-08-31 21:56:40,799 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2580 transitions. [2023-08-31 21:56:40,801 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:56:40,801 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2580 transitions. [2023-08-31 21:56:40,811 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 430.0) internal successors, (2580), 6 states have internal predecessors, (2580), 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 21:56:40,819 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 862.0) internal successors, (6034), 7 states have internal predecessors, (6034), 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 21:56:40,820 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 862.0) internal successors, (6034), 7 states have internal predecessors, (6034), 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 21:56:40,820 INFO L175 Difference]: Start difference. First operand has 100 places, 94 transitions, 225 flow. Second operand 6 states and 2580 transitions. [2023-08-31 21:56:40,820 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 104 places, 245 transitions, 1005 flow [2023-08-31 21:56:40,823 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 103 places, 245 transitions, 994 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-31 21:56:40,825 INFO L231 Difference]: Finished difference. Result has 103 places, 93 transitions, 230 flow [2023-08-31 21:56:40,826 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=862, PETRI_DIFFERENCE_MINUEND_FLOW=220, PETRI_DIFFERENCE_MINUEND_PLACES=98, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=93, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=88, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=230, PETRI_PLACES=103, PETRI_TRANSITIONS=93} [2023-08-31 21:56:40,828 INFO L281 CegarLoopForPetriNet]: 141 programPoint places, -38 predicate places. [2023-08-31 21:56:40,828 INFO L495 AbstractCegarLoop]: Abstraction has has 103 places, 93 transitions, 230 flow [2023-08-31 21:56:40,829 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 399.3333333333333) internal successors, (2396), 6 states have internal predecessors, (2396), 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 21:56:40,829 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:56:40,829 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:56:40,829 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-08-31 21:56:40,829 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 97 more)] === [2023-08-31 21:56:40,830 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:56:40,830 INFO L85 PathProgramCache]: Analyzing trace with hash -963102386, now seen corresponding path program 1 times [2023-08-31 21:56:40,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:56:40,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395768039] [2023-08-31 21:56:40,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:56:40,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:56:40,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:56:41,100 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 21:56:41,101 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:56:41,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [395768039] [2023-08-31 21:56:41,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [395768039] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:56:41,101 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:56:41,101 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-31 21:56:41,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037626335] [2023-08-31 21:56:41,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:56:41,102 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-31 21:56:41,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:56:41,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-31 21:56:41,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-31 21:56:41,420 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 369 out of 862 [2023-08-31 21:56:41,421 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 103 places, 93 transitions, 230 flow. Second operand has 6 states, 6 states have (on average 371.6666666666667) internal successors, (2230), 6 states have internal predecessors, (2230), 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 21:56:41,421 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:56:41,421 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 369 of 862 [2023-08-31 21:56:41,421 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:56:41,800 INFO L130 PetriNetUnfolder]: 1811/3264 cut-off events. [2023-08-31 21:56:41,800 INFO L131 PetriNetUnfolder]: For 195/195 co-relation queries the response was YES. [2023-08-31 21:56:41,808 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6687 conditions, 3264 events. 1811/3264 cut-off events. For 195/195 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 17319 event pairs, 910 based on Foata normal form. 40/2953 useless extension candidates. Maximal degree in co-relation 6680. Up to 1851 conditions per place. [2023-08-31 21:56:41,819 INFO L137 encePairwiseOnDemand]: 831/862 looper letters, 80 selfloop transitions, 28 changer transitions 0/128 dead transitions. [2023-08-31 21:56:41,819 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 128 transitions, 528 flow [2023-08-31 21:56:41,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-31 21:56:41,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-31 21:56:41,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2323 transitions. [2023-08-31 21:56:41,825 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4491492652745553 [2023-08-31 21:56:41,825 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2323 transitions. [2023-08-31 21:56:41,825 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2323 transitions. [2023-08-31 21:56:41,826 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:56:41,827 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2323 transitions. [2023-08-31 21:56:41,830 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 387.1666666666667) internal successors, (2323), 6 states have internal predecessors, (2323), 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 21:56:41,836 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 862.0) internal successors, (6034), 7 states have internal predecessors, (6034), 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 21:56:41,837 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 862.0) internal successors, (6034), 7 states have internal predecessors, (6034), 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 21:56:41,837 INFO L175 Difference]: Start difference. First operand has 103 places, 93 transitions, 230 flow. Second operand 6 states and 2323 transitions. [2023-08-31 21:56:41,837 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 103 places, 128 transitions, 528 flow [2023-08-31 21:56:41,839 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 98 places, 128 transitions, 510 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-08-31 21:56:41,840 INFO L231 Difference]: Finished difference. Result has 98 places, 88 transitions, 266 flow [2023-08-31 21:56:41,840 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=862, PETRI_DIFFERENCE_MINUEND_FLOW=210, PETRI_DIFFERENCE_MINUEND_PLACES=93, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=88, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=28, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=60, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=266, PETRI_PLACES=98, PETRI_TRANSITIONS=88} [2023-08-31 21:56:41,841 INFO L281 CegarLoopForPetriNet]: 141 programPoint places, -43 predicate places. [2023-08-31 21:56:41,841 INFO L495 AbstractCegarLoop]: Abstraction has has 98 places, 88 transitions, 266 flow [2023-08-31 21:56:41,842 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 371.6666666666667) internal successors, (2230), 6 states have internal predecessors, (2230), 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 21:56:41,842 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:56:41,842 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] [2023-08-31 21:56:41,842 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-08-31 21:56:41,842 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 97 more)] === [2023-08-31 21:56:41,843 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:56:41,843 INFO L85 PathProgramCache]: Analyzing trace with hash 1911251555, now seen corresponding path program 1 times [2023-08-31 21:56:41,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:56:41,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [29169554] [2023-08-31 21:56:41,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:56:41,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:56:41,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:56:42,064 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 21:56:42,064 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:56:42,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [29169554] [2023-08-31 21:56:42,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [29169554] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:56:42,065 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:56:42,065 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-31 21:56:42,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [426565022] [2023-08-31 21:56:42,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:56:42,066 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-31 21:56:42,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:56:42,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-31 21:56:42,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-31 21:56:42,384 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 398 out of 862 [2023-08-31 21:56:42,386 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 98 places, 88 transitions, 266 flow. Second operand has 6 states, 6 states have (on average 400.3333333333333) internal successors, (2402), 6 states have internal predecessors, (2402), 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 21:56:42,386 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:56:42,386 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 398 of 862 [2023-08-31 21:56:42,386 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:56:42,856 INFO L130 PetriNetUnfolder]: 1477/3020 cut-off events. [2023-08-31 21:56:42,857 INFO L131 PetriNetUnfolder]: For 192/192 co-relation queries the response was YES. [2023-08-31 21:56:42,863 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6477 conditions, 3020 events. 1477/3020 cut-off events. For 192/192 co-relation queries the response was YES. Maximal size of possible extension queue 61. Compared 17443 event pairs, 1017 based on Foata normal form. 0/2733 useless extension candidates. Maximal degree in co-relation 6470. Up to 2053 conditions per place. [2023-08-31 21:56:42,865 INFO L137 encePairwiseOnDemand]: 857/862 looper letters, 0 selfloop transitions, 0 changer transitions 231/231 dead transitions. [2023-08-31 21:56:42,865 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 102 places, 231 transitions, 1118 flow [2023-08-31 21:56:42,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-31 21:56:42,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-31 21:56:42,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2574 transitions. [2023-08-31 21:56:42,871 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4976798143851508 [2023-08-31 21:56:42,872 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2574 transitions. [2023-08-31 21:56:42,872 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2574 transitions. [2023-08-31 21:56:42,873 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:56:42,873 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2574 transitions. [2023-08-31 21:56:42,877 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 429.0) internal successors, (2574), 6 states have internal predecessors, (2574), 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 21:56:42,884 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 862.0) internal successors, (6034), 7 states have internal predecessors, (6034), 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 21:56:42,885 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 862.0) internal successors, (6034), 7 states have internal predecessors, (6034), 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 21:56:42,885 INFO L175 Difference]: Start difference. First operand has 98 places, 88 transitions, 266 flow. Second operand 6 states and 2574 transitions. [2023-08-31 21:56:42,885 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 102 places, 231 transitions, 1118 flow [2023-08-31 21:56:42,888 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 97 places, 231 transitions, 958 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-08-31 21:56:42,889 INFO L231 Difference]: Finished difference. Result has 97 places, 0 transitions, 0 flow [2023-08-31 21:56:42,890 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=862, PETRI_DIFFERENCE_MINUEND_FLOW=208, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=87, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=87, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=97, PETRI_TRANSITIONS=0} [2023-08-31 21:56:42,890 INFO L281 CegarLoopForPetriNet]: 141 programPoint places, -44 predicate places. [2023-08-31 21:56:42,890 INFO L495 AbstractCegarLoop]: Abstraction has has 97 places, 0 transitions, 0 flow [2023-08-31 21:56:42,891 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 400.3333333333333) internal successors, (2402), 6 states have internal predecessors, (2402), 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 21:56:42,893 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (100 of 101 remaining) [2023-08-31 21:56:42,894 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (99 of 101 remaining) [2023-08-31 21:56:42,894 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (98 of 101 remaining) [2023-08-31 21:56:42,894 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (97 of 101 remaining) [2023-08-31 21:56:42,894 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (96 of 101 remaining) [2023-08-31 21:56:42,894 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (95 of 101 remaining) [2023-08-31 21:56:42,895 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (94 of 101 remaining) [2023-08-31 21:56:42,895 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (93 of 101 remaining) [2023-08-31 21:56:42,895 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (92 of 101 remaining) [2023-08-31 21:56:42,895 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (91 of 101 remaining) [2023-08-31 21:56:42,895 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (90 of 101 remaining) [2023-08-31 21:56:42,895 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (89 of 101 remaining) [2023-08-31 21:56:42,896 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (88 of 101 remaining) [2023-08-31 21:56:42,896 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (87 of 101 remaining) [2023-08-31 21:56:42,896 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (86 of 101 remaining) [2023-08-31 21:56:42,896 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (85 of 101 remaining) [2023-08-31 21:56:42,896 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (84 of 101 remaining) [2023-08-31 21:56:42,896 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (83 of 101 remaining) [2023-08-31 21:56:42,897 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (82 of 101 remaining) [2023-08-31 21:56:42,897 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (81 of 101 remaining) [2023-08-31 21:56:42,897 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (80 of 101 remaining) [2023-08-31 21:56:42,897 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (79 of 101 remaining) [2023-08-31 21:56:42,897 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (78 of 101 remaining) [2023-08-31 21:56:42,897 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (77 of 101 remaining) [2023-08-31 21:56:42,898 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (76 of 101 remaining) [2023-08-31 21:56:42,898 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (75 of 101 remaining) [2023-08-31 21:56:42,898 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (74 of 101 remaining) [2023-08-31 21:56:42,898 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (73 of 101 remaining) [2023-08-31 21:56:42,898 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (72 of 101 remaining) [2023-08-31 21:56:42,899 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (71 of 101 remaining) [2023-08-31 21:56:42,899 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (70 of 101 remaining) [2023-08-31 21:56:42,899 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONDATA_RACE (69 of 101 remaining) [2023-08-31 21:56:42,899 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err24ASSERT_VIOLATIONDATA_RACE (68 of 101 remaining) [2023-08-31 21:56:42,899 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err25ASSERT_VIOLATIONDATA_RACE (67 of 101 remaining) [2023-08-31 21:56:42,899 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err26ASSERT_VIOLATIONDATA_RACE (66 of 101 remaining) [2023-08-31 21:56:42,900 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err27ASSERT_VIOLATIONDATA_RACE (65 of 101 remaining) [2023-08-31 21:56:42,900 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err28ASSERT_VIOLATIONDATA_RACE (64 of 101 remaining) [2023-08-31 21:56:42,900 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err29ASSERT_VIOLATIONDATA_RACE (63 of 101 remaining) [2023-08-31 21:56:42,900 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err30ASSERT_VIOLATIONDATA_RACE (62 of 101 remaining) [2023-08-31 21:56:42,900 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err31ASSERT_VIOLATIONDATA_RACE (61 of 101 remaining) [2023-08-31 21:56:42,900 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err32ASSERT_VIOLATIONDATA_RACE (60 of 101 remaining) [2023-08-31 21:56:42,901 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err33ASSERT_VIOLATIONDATA_RACE (59 of 101 remaining) [2023-08-31 21:56:42,901 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err34ASSERT_VIOLATIONDATA_RACE (58 of 101 remaining) [2023-08-31 21:56:42,901 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err35ASSERT_VIOLATIONDATA_RACE (57 of 101 remaining) [2023-08-31 21:56:42,901 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (56 of 101 remaining) [2023-08-31 21:56:42,901 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (55 of 101 remaining) [2023-08-31 21:56:42,901 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (54 of 101 remaining) [2023-08-31 21:56:42,902 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (53 of 101 remaining) [2023-08-31 21:56:42,902 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (52 of 101 remaining) [2023-08-31 21:56:42,902 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (51 of 101 remaining) [2023-08-31 21:56:42,902 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (50 of 101 remaining) [2023-08-31 21:56:42,902 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (49 of 101 remaining) [2023-08-31 21:56:42,902 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (48 of 101 remaining) [2023-08-31 21:56:42,903 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (47 of 101 remaining) [2023-08-31 21:56:42,903 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (46 of 101 remaining) [2023-08-31 21:56:42,903 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (45 of 101 remaining) [2023-08-31 21:56:42,903 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (44 of 101 remaining) [2023-08-31 21:56:42,903 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (43 of 101 remaining) [2023-08-31 21:56:42,903 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (42 of 101 remaining) [2023-08-31 21:56:42,904 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (41 of 101 remaining) [2023-08-31 21:56:42,904 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (40 of 101 remaining) [2023-08-31 21:56:42,904 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (39 of 101 remaining) [2023-08-31 21:56:42,904 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (38 of 101 remaining) [2023-08-31 21:56:42,904 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (37 of 101 remaining) [2023-08-31 21:56:42,904 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (36 of 101 remaining) [2023-08-31 21:56:42,905 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (35 of 101 remaining) [2023-08-31 21:56:42,905 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (34 of 101 remaining) [2023-08-31 21:56:42,905 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (33 of 101 remaining) [2023-08-31 21:56:42,905 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (32 of 101 remaining) [2023-08-31 21:56:42,905 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (31 of 101 remaining) [2023-08-31 21:56:42,905 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (30 of 101 remaining) [2023-08-31 21:56:42,905 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (29 of 101 remaining) [2023-08-31 21:56:42,906 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (28 of 101 remaining) [2023-08-31 21:56:42,906 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (27 of 101 remaining) [2023-08-31 21:56:42,906 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (26 of 101 remaining) [2023-08-31 21:56:42,906 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (25 of 101 remaining) [2023-08-31 21:56:42,906 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (24 of 101 remaining) [2023-08-31 21:56:42,906 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (23 of 101 remaining) [2023-08-31 21:56:42,907 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (22 of 101 remaining) [2023-08-31 21:56:42,907 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (21 of 101 remaining) [2023-08-31 21:56:42,907 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (20 of 101 remaining) [2023-08-31 21:56:42,907 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (19 of 101 remaining) [2023-08-31 21:56:42,907 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (18 of 101 remaining) [2023-08-31 21:56:42,907 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (17 of 101 remaining) [2023-08-31 21:56:42,908 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (16 of 101 remaining) [2023-08-31 21:56:42,908 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (15 of 101 remaining) [2023-08-31 21:56:42,908 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (14 of 101 remaining) [2023-08-31 21:56:42,908 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (13 of 101 remaining) [2023-08-31 21:56:42,908 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONDATA_RACE (12 of 101 remaining) [2023-08-31 21:56:42,909 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err24ASSERT_VIOLATIONDATA_RACE (11 of 101 remaining) [2023-08-31 21:56:42,909 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err25ASSERT_VIOLATIONDATA_RACE (10 of 101 remaining) [2023-08-31 21:56:42,909 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err26ASSERT_VIOLATIONDATA_RACE (9 of 101 remaining) [2023-08-31 21:56:42,909 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err27ASSERT_VIOLATIONDATA_RACE (8 of 101 remaining) [2023-08-31 21:56:42,909 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err28ASSERT_VIOLATIONDATA_RACE (7 of 101 remaining) [2023-08-31 21:56:42,909 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err29ASSERT_VIOLATIONDATA_RACE (6 of 101 remaining) [2023-08-31 21:56:42,909 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err30ASSERT_VIOLATIONDATA_RACE (5 of 101 remaining) [2023-08-31 21:56:42,910 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err31ASSERT_VIOLATIONDATA_RACE (4 of 101 remaining) [2023-08-31 21:56:42,910 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err32ASSERT_VIOLATIONDATA_RACE (3 of 101 remaining) [2023-08-31 21:56:42,910 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err33ASSERT_VIOLATIONDATA_RACE (2 of 101 remaining) [2023-08-31 21:56:42,910 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err34ASSERT_VIOLATIONDATA_RACE (1 of 101 remaining) [2023-08-31 21:56:42,910 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err35ASSERT_VIOLATIONDATA_RACE (0 of 101 remaining) [2023-08-31 21:56:42,910 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-08-31 21:56:42,911 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:56:42,916 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-31 21:56:42,916 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-31 21:56:42,919 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.08 09:56:42 BasicIcfg [2023-08-31 21:56:42,919 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-31 21:56:42,920 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-31 21:56:42,920 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-31 21:56:42,920 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-31 21:56:42,920 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 09:56:27" (3/4) ... [2023-08-31 21:56:42,922 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-31 21:56:42,927 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-08-31 21:56:42,927 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-08-31 21:56:42,931 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2023-08-31 21:56:42,931 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-08-31 21:56:42,932 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-08-31 21:56:42,932 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-08-31 21:56:42,963 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-31 21:56:42,963 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-31 21:56:42,963 INFO L158 Benchmark]: Toolchain (without parser) took 17061.19ms. Allocated memory was 71.3MB in the beginning and 364.9MB in the end (delta: 293.6MB). Free memory was 46.4MB in the beginning and 214.4MB in the end (delta: -168.0MB). Peak memory consumption was 123.7MB. Max. memory is 16.1GB. [2023-08-31 21:56:42,964 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 58.7MB. Free memory is still 36.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-31 21:56:42,964 INFO L158 Benchmark]: CACSL2BoogieTranslator took 238.20ms. Allocated memory is still 71.3MB. Free memory was 46.2MB in the beginning and 33.0MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-08-31 21:56:42,964 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.33ms. Allocated memory is still 71.3MB. Free memory was 33.0MB in the beginning and 50.0MB in the end (delta: -17.0MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB. [2023-08-31 21:56:42,964 INFO L158 Benchmark]: Boogie Preprocessor took 58.36ms. Allocated memory is still 71.3MB. Free memory was 50.0MB in the beginning and 47.3MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-31 21:56:42,965 INFO L158 Benchmark]: RCFGBuilder took 787.59ms. Allocated memory is still 71.3MB. Free memory was 47.0MB in the beginning and 35.7MB in the end (delta: 11.3MB). Peak memory consumption was 21.4MB. Max. memory is 16.1GB. [2023-08-31 21:56:42,965 INFO L158 Benchmark]: TraceAbstraction took 15874.04ms. Allocated memory was 71.3MB in the beginning and 364.9MB in the end (delta: 293.6MB). Free memory was 34.9MB in the beginning and 218.6MB in the end (delta: -183.7MB). Peak memory consumption was 254.6MB. Max. memory is 16.1GB. [2023-08-31 21:56:42,965 INFO L158 Benchmark]: Witness Printer took 43.48ms. Allocated memory is still 364.9MB. Free memory was 218.6MB in the beginning and 214.4MB in the end (delta: 4.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-31 21:56:42,967 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 58.7MB. Free memory is still 36.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 238.20ms. Allocated memory is still 71.3MB. Free memory was 46.2MB in the beginning and 33.0MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.33ms. Allocated memory is still 71.3MB. Free memory was 33.0MB in the beginning and 50.0MB in the end (delta: -17.0MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.36ms. Allocated memory is still 71.3MB. Free memory was 50.0MB in the beginning and 47.3MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 787.59ms. Allocated memory is still 71.3MB. Free memory was 47.0MB in the beginning and 35.7MB in the end (delta: 11.3MB). Peak memory consumption was 21.4MB. Max. memory is 16.1GB. * TraceAbstraction took 15874.04ms. Allocated memory was 71.3MB in the beginning and 364.9MB in the end (delta: 293.6MB). Free memory was 34.9MB in the beginning and 218.6MB in the end (delta: -183.7MB). Peak memory consumption was 254.6MB. Max. memory is 16.1GB. * Witness Printer took 43.48ms. Allocated memory is still 364.9MB. Free memory was 218.6MB in the beginning and 214.4MB in the end (delta: 4.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 7.7s, 398 PlacesBefore, 141 PlacesAfterwards, 413 TransitionsBefore, 145 TransitionsAfterwards, 32920 CoEnabledTransitionPairs, 8 FixpointIterations, 119 TrivialSequentialCompositions, 244 ConcurrentSequentialCompositions, 13 TrivialYvCompositions, 45 ConcurrentYvCompositions, 11 ChoiceCompositions, 432 TotalNumberOfCompositions, 133426 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 45904, independent: 44335, independent conditional: 0, independent unconditional: 44335, dependent: 1569, dependent conditional: 0, dependent unconditional: 1569, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 18463, independent: 18233, independent conditional: 0, independent unconditional: 18233, dependent: 230, dependent conditional: 0, dependent unconditional: 230, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 45904, independent: 26102, independent conditional: 0, independent unconditional: 26102, dependent: 1339, dependent conditional: 0, dependent unconditional: 1339, unknown: 18463, unknown conditional: 0, unknown unconditional: 18463] , Statistics on independence cache: Total cache size (in pairs): 1689, Positive cache size: 1569, Positive conditional cache size: 0, Positive unconditional cache size: 1569, Negative cache size: 120, Negative conditional cache size: 0, Negative unconditional cache size: 120, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: 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: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 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: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: 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: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 108]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 88]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 672 locations, 101 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: 15.7s, OverallIterations: 10, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 6.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 7.9s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1612 SdHoareTripleChecker+Valid, 2.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1014 mSDsluCounter, 45 SdHoareTripleChecker+Invalid, 2.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 614 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3558 IncrementalHoareTripleChecker+Invalid, 4172 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 614 mSolverCounterUnsat, 45 mSDtfsCounter, 3558 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 32 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=302occurred in iteration=0, InterpolantAutomatonStates: 41, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 117 NumberOfCodeBlocks, 117 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 107 ConstructedInterpolants, 0 QuantifiedInterpolants, 527 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 5/5 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 55 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-31 21:56:42,996 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