./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/weaver/chl-file-item-trans.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/chl-file-item-trans.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 7850c8f92b7e0b0b866687e8f3ea719169cacbc5985a977f15b280bf9bb53b5b --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 21:31:02,971 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-31 21:31:02,973 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-31 21:31:03,014 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-31 21:31:03,014 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-31 21:31:03,017 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-31 21:31:03,026 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-31 21:31:03,028 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-31 21:31:03,030 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-31 21:31:03,035 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-31 21:31:03,036 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-31 21:31:03,039 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-31 21:31:03,039 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-31 21:31:03,041 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-31 21:31:03,042 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-31 21:31:03,049 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-31 21:31:03,051 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-31 21:31:03,052 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-31 21:31:03,054 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-31 21:31:03,056 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-31 21:31:03,060 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-31 21:31:03,061 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-31 21:31:03,062 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-31 21:31:03,062 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-31 21:31:03,067 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-31 21:31:03,071 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-31 21:31:03,071 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-31 21:31:03,072 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-31 21:31:03,073 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-31 21:31:03,074 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-31 21:31:03,075 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-31 21:31:03,075 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-31 21:31:03,076 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-31 21:31:03,077 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-31 21:31:03,079 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-31 21:31:03,079 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-31 21:31:03,079 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-31 21:31:03,079 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-31 21:31:03,080 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-31 21:31:03,080 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-31 21:31:03,081 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-31 21:31:03,082 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-31 21:31:03,114 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-31 21:31:03,115 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-31 21:31:03,116 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-31 21:31:03,116 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-31 21:31:03,117 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-31 21:31:03,117 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-31 21:31:03,117 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-31 21:31:03,118 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-31 21:31:03,118 INFO L138 SettingsManager]: * Use SBE=true [2023-08-31 21:31:03,118 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-31 21:31:03,119 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-31 21:31:03,119 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-31 21:31:03,119 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-31 21:31:03,119 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-31 21:31:03,119 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-31 21:31:03,120 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-31 21:31:03,120 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-31 21:31:03,120 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-31 21:31:03,120 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-31 21:31:03,120 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-31 21:31:03,120 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-31 21:31:03,121 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-31 21:31:03,121 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-31 21:31:03,121 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-31 21:31:03,121 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-31 21:31:03,121 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-31 21:31:03,122 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-31 21:31:03,122 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-31 21:31:03,122 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-31 21:31:03,122 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-31 21:31:03,122 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-31 21:31:03,122 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-31 21:31:03,123 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-31 21:31:03,123 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-31 21:31:03,123 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-31 21:31:03,123 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-31 21:31:03,123 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-31 21:31:03,124 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7850c8f92b7e0b0b866687e8f3ea719169cacbc5985a977f15b280bf9bb53b5b Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> BEFORE [2023-08-31 21:31:03,459 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-31 21:31:03,484 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-31 21:31:03,487 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-31 21:31:03,488 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-31 21:31:03,488 INFO L275 PluginConnector]: CDTParser initialized [2023-08-31 21:31:03,489 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-file-item-trans.wvr.c [2023-08-31 21:31:04,567 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-31 21:31:04,784 INFO L351 CDTParser]: Found 1 translation units. [2023-08-31 21:31:04,784 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-file-item-trans.wvr.c [2023-08-31 21:31:04,789 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/51a370586/a2ea6bfc86cb4696950be5c89e5dbe96/FLAGaa3de1cfb [2023-08-31 21:31:04,807 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/51a370586/a2ea6bfc86cb4696950be5c89e5dbe96 [2023-08-31 21:31:04,811 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-31 21:31:04,812 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-31 21:31:04,815 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-31 21:31:04,815 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-31 21:31:04,817 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-31 21:31:04,818 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 09:31:04" (1/1) ... [2023-08-31 21:31:04,819 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e4c733b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:31:04, skipping insertion in model container [2023-08-31 21:31:04,819 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 09:31:04" (1/1) ... [2023-08-31 21:31:04,825 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-31 21:31:04,843 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-31 21:31:05,040 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/chl-file-item-trans.wvr.c[2817,2830] [2023-08-31 21:31:05,046 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-31 21:31:05,057 INFO L203 MainTranslator]: Completed pre-run [2023-08-31 21:31:05,100 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/chl-file-item-trans.wvr.c[2817,2830] [2023-08-31 21:31:05,108 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-31 21:31:05,122 INFO L208 MainTranslator]: Completed translation [2023-08-31 21:31:05,123 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:31:05 WrapperNode [2023-08-31 21:31:05,123 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-31 21:31:05,124 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-31 21:31:05,124 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-31 21:31:05,124 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-31 21:31:05,130 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:31:05" (1/1) ... [2023-08-31 21:31:05,150 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:31:05" (1/1) ... [2023-08-31 21:31:05,195 INFO L138 Inliner]: procedures = 23, calls = 30, calls flagged for inlining = 8, calls inlined = 12, statements flattened = 327 [2023-08-31 21:31:05,196 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-31 21:31:05,197 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-31 21:31:05,197 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-31 21:31:05,198 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-31 21:31:05,205 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:31:05" (1/1) ... [2023-08-31 21:31:05,206 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:31:05" (1/1) ... [2023-08-31 21:31:05,220 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:31:05" (1/1) ... [2023-08-31 21:31:05,222 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:31:05" (1/1) ... [2023-08-31 21:31:05,231 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:31:05" (1/1) ... [2023-08-31 21:31:05,241 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:31:05" (1/1) ... [2023-08-31 21:31:05,248 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:31:05" (1/1) ... [2023-08-31 21:31:05,249 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:31:05" (1/1) ... [2023-08-31 21:31:05,252 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-31 21:31:05,252 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-31 21:31:05,253 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-31 21:31:05,253 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-31 21:31:05,253 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:31:05" (1/1) ... [2023-08-31 21:31:05,265 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-31 21:31:05,275 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-31 21:31:05,284 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 21:31:05,308 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 21:31:05,320 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-31 21:31:05,320 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-31 21:31:05,320 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-31 21:31:05,320 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-31 21:31:05,321 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-31 21:31:05,321 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-08-31 21:31:05,321 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-08-31 21:31:05,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-31 21:31:05,321 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-31 21:31:05,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-31 21:31:05,321 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-31 21:31:05,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-31 21:31:05,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-31 21:31:05,322 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-31 21:31:05,323 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 21:31:05,494 INFO L236 CfgBuilder]: Building ICFG [2023-08-31 21:31:05,496 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-31 21:31:06,036 INFO L277 CfgBuilder]: Performing block encoding [2023-08-31 21:31:06,051 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-31 21:31:06,052 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-31 21:31:06,054 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 09:31:06 BoogieIcfgContainer [2023-08-31 21:31:06,055 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-31 21:31:06,056 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-31 21:31:06,057 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-31 21:31:06,060 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-31 21:31:06,060 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.08 09:31:04" (1/3) ... [2023-08-31 21:31:06,061 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c0f7705 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.08 09:31:06, skipping insertion in model container [2023-08-31 21:31:06,061 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:31:05" (2/3) ... [2023-08-31 21:31:06,061 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c0f7705 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.08 09:31:06, skipping insertion in model container [2023-08-31 21:31:06,062 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 09:31:06" (3/3) ... [2023-08-31 21:31:06,063 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-file-item-trans.wvr.c [2023-08-31 21:31:06,070 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-31 21:31:06,078 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-31 21:31:06,079 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 42 error locations. [2023-08-31 21:31:06,079 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-31 21:31:06,196 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-08-31 21:31:06,257 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 390 places, 401 transitions, 826 flow [2023-08-31 21:31:06,382 INFO L130 PetriNetUnfolder]: 21/398 cut-off events. [2023-08-31 21:31:06,383 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2023-08-31 21:31:06,391 INFO L83 FinitePrefix]: Finished finitePrefix Result has 411 conditions, 398 events. 21/398 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1041 event pairs, 0 based on Foata normal form. 0/335 useless extension candidates. Maximal degree in co-relation 264. Up to 2 conditions per place. [2023-08-31 21:31:06,391 INFO L82 GeneralOperation]: Start removeDead. Operand has 390 places, 401 transitions, 826 flow [2023-08-31 21:31:06,398 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 368 places, 377 transitions, 772 flow [2023-08-31 21:31:06,401 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-31 21:31:06,409 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 368 places, 377 transitions, 772 flow [2023-08-31 21:31:06,413 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 368 places, 377 transitions, 772 flow [2023-08-31 21:31:06,413 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 368 places, 377 transitions, 772 flow [2023-08-31 21:31:06,512 INFO L130 PetriNetUnfolder]: 19/377 cut-off events. [2023-08-31 21:31:06,512 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2023-08-31 21:31:06,517 INFO L83 FinitePrefix]: Finished finitePrefix Result has 390 conditions, 377 events. 19/377 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1027 event pairs, 0 based on Foata normal form. 0/317 useless extension candidates. Maximal degree in co-relation 264. Up to 2 conditions per place. [2023-08-31 21:31:06,537 INFO L119 LiptonReduction]: Number of co-enabled transitions 42486 [2023-08-31 21:31:14,125 INFO L134 LiptonReduction]: Checked pairs total: 172014 [2023-08-31 21:31:14,126 INFO L136 LiptonReduction]: Total number of compositions: 369 [2023-08-31 21:31:14,138 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-31 21:31:14,143 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;@30db3a77, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-31 21:31:14,143 INFO L358 AbstractCegarLoop]: Starting to check reachability of 72 error locations. [2023-08-31 21:31:14,145 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2023-08-31 21:31:14,145 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-31 21:31:14,146 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:31:14,146 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-31 21:31:14,146 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2023-08-31 21:31:14,150 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:31:14,151 INFO L85 PathProgramCache]: Analyzing trace with hash 1491, now seen corresponding path program 1 times [2023-08-31 21:31:14,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:31:14,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136532780] [2023-08-31 21:31:14,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:31:14,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:31:14,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:31:14,238 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 21:31:14,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:31:14,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136532780] [2023-08-31 21:31:14,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [136532780] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:31:14,240 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:31:14,241 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-31 21:31:14,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174774906] [2023-08-31 21:31:14,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:31:14,249 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-31 21:31:14,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:31:14,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-31 21:31:14,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-31 21:31:14,272 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 387 out of 770 [2023-08-31 21:31:14,275 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 114 places, 119 transitions, 256 flow. Second operand has 2 states, 2 states have (on average 387.5) internal successors, (775), 2 states have internal predecessors, (775), 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 21:31:14,276 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:31:14,276 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 387 of 770 [2023-08-31 21:31:14,277 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:31:15,233 INFO L130 PetriNetUnfolder]: 6016/10505 cut-off events. [2023-08-31 21:31:15,235 INFO L131 PetriNetUnfolder]: For 250/250 co-relation queries the response was YES. [2023-08-31 21:31:15,258 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18619 conditions, 10505 events. 6016/10505 cut-off events. For 250/250 co-relation queries the response was YES. Maximal size of possible extension queue 540. Compared 80752 event pairs, 3768 based on Foata normal form. 486/8566 useless extension candidates. Maximal degree in co-relation 17243. Up to 7837 conditions per place. [2023-08-31 21:31:15,327 INFO L137 encePairwiseOnDemand]: 749/770 looper letters, 47 selfloop transitions, 0 changer transitions 1/98 dead transitions. [2023-08-31 21:31:15,328 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 97 places, 98 transitions, 310 flow [2023-08-31 21:31:15,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-31 21:31:15,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-31 21:31:15,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 843 transitions. [2023-08-31 21:31:15,349 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5474025974025974 [2023-08-31 21:31:15,350 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 843 transitions. [2023-08-31 21:31:15,351 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 843 transitions. [2023-08-31 21:31:15,355 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:31:15,357 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 843 transitions. [2023-08-31 21:31:15,364 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 421.5) internal successors, (843), 2 states have internal predecessors, (843), 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 21:31:15,373 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 770.0) internal successors, (2310), 3 states have internal predecessors, (2310), 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 21:31:15,375 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 770.0) internal successors, (2310), 3 states have internal predecessors, (2310), 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 21:31:15,377 INFO L175 Difference]: Start difference. First operand has 114 places, 119 transitions, 256 flow. Second operand 2 states and 843 transitions. [2023-08-31 21:31:15,377 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 97 places, 98 transitions, 310 flow [2023-08-31 21:31:15,393 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 91 places, 98 transitions, 298 flow, removed 0 selfloop flow, removed 6 redundant places. [2023-08-31 21:31:15,396 INFO L231 Difference]: Finished difference. Result has 91 places, 97 transitions, 199 flow [2023-08-31 21:31:15,397 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=770, PETRI_DIFFERENCE_MINUEND_FLOW=202, PETRI_DIFFERENCE_MINUEND_PLACES=90, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=98, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=98, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=199, PETRI_PLACES=91, PETRI_TRANSITIONS=97} [2023-08-31 21:31:15,401 INFO L281 CegarLoopForPetriNet]: 114 programPoint places, -23 predicate places. [2023-08-31 21:31:15,401 INFO L495 AbstractCegarLoop]: Abstraction has has 91 places, 97 transitions, 199 flow [2023-08-31 21:31:15,402 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 387.5) internal successors, (775), 2 states have internal predecessors, (775), 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 21:31:15,403 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:31:15,404 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2023-08-31 21:31:15,404 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-31 21:31:15,406 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2023-08-31 21:31:15,414 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:31:15,414 INFO L85 PathProgramCache]: Analyzing trace with hash 46108271, now seen corresponding path program 1 times [2023-08-31 21:31:15,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:31:15,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113550420] [2023-08-31 21:31:15,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:31:15,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:31:15,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:31:15,501 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 21:31:15,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:31:15,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [113550420] [2023-08-31 21:31:15,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [113550420] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:31:15,502 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:31:15,502 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 21:31:15,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [758129156] [2023-08-31 21:31:15,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:31:15,503 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 21:31:15,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:31:15,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 21:31:15,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 21:31:15,515 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 380 out of 770 [2023-08-31 21:31:15,516 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 97 transitions, 199 flow. Second operand has 3 states, 3 states have (on average 381.3333333333333) internal successors, (1144), 3 states have internal predecessors, (1144), 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 21:31:15,517 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:31:15,517 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 380 of 770 [2023-08-31 21:31:15,517 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:31:16,495 INFO L130 PetriNetUnfolder]: 7789/13279 cut-off events. [2023-08-31 21:31:16,495 INFO L131 PetriNetUnfolder]: For 90/90 co-relation queries the response was YES. [2023-08-31 21:31:16,523 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23573 conditions, 13279 events. 7789/13279 cut-off events. For 90/90 co-relation queries the response was YES. Maximal size of possible extension queue 646. Compared 102422 event pairs, 1664 based on Foata normal form. 0/10570 useless extension candidates. Maximal degree in co-relation 23570. Up to 10111 conditions per place. [2023-08-31 21:31:16,592 INFO L137 encePairwiseOnDemand]: 766/770 looper letters, 67 selfloop transitions, 2 changer transitions 0/114 dead transitions. [2023-08-31 21:31:16,592 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 114 transitions, 373 flow [2023-08-31 21:31:16,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 21:31:16,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 21:31:16,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1211 transitions. [2023-08-31 21:31:16,597 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5242424242424243 [2023-08-31 21:31:16,597 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1211 transitions. [2023-08-31 21:31:16,597 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1211 transitions. [2023-08-31 21:31:16,598 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:31:16,598 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1211 transitions. [2023-08-31 21:31:16,601 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 403.6666666666667) internal successors, (1211), 3 states have internal predecessors, (1211), 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 21:31:16,605 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 770.0) internal successors, (3080), 4 states have internal predecessors, (3080), 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 21:31:16,607 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 770.0) internal successors, (3080), 4 states have internal predecessors, (3080), 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 21:31:16,607 INFO L175 Difference]: Start difference. First operand has 91 places, 97 transitions, 199 flow. Second operand 3 states and 1211 transitions. [2023-08-31 21:31:16,607 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 114 transitions, 373 flow [2023-08-31 21:31:16,608 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 90 places, 114 transitions, 373 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-31 21:31:16,610 INFO L231 Difference]: Finished difference. Result has 91 places, 97 transitions, 209 flow [2023-08-31 21:31:16,611 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=770, PETRI_DIFFERENCE_MINUEND_FLOW=195, PETRI_DIFFERENCE_MINUEND_PLACES=88, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=95, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=93, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=209, PETRI_PLACES=91, PETRI_TRANSITIONS=97} [2023-08-31 21:31:16,611 INFO L281 CegarLoopForPetriNet]: 114 programPoint places, -23 predicate places. [2023-08-31 21:31:16,612 INFO L495 AbstractCegarLoop]: Abstraction has has 91 places, 97 transitions, 209 flow [2023-08-31 21:31:16,612 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 381.3333333333333) internal successors, (1144), 3 states have internal predecessors, (1144), 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 21:31:16,613 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:31:16,613 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-08-31 21:31:16,613 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-31 21:31:16,613 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2023-08-31 21:31:16,614 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:31:16,614 INFO L85 PathProgramCache]: Analyzing trace with hash 1360651891, now seen corresponding path program 1 times [2023-08-31 21:31:16,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:31:16,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014114117] [2023-08-31 21:31:16,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:31:16,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:31:16,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:31:16,725 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 21:31:16,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:31:16,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1014114117] [2023-08-31 21:31:16,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1014114117] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:31:16,727 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:31:16,727 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 21:31:16,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872349021] [2023-08-31 21:31:16,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:31:16,728 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 21:31:16,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:31:16,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 21:31:16,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 21:31:16,745 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 377 out of 770 [2023-08-31 21:31:16,747 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 97 transitions, 209 flow. Second operand has 3 states, 3 states have (on average 378.6666666666667) internal successors, (1136), 3 states have internal predecessors, (1136), 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 21:31:16,748 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:31:16,748 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 377 of 770 [2023-08-31 21:31:16,749 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:31:17,870 INFO L130 PetriNetUnfolder]: 8818/15602 cut-off events. [2023-08-31 21:31:17,871 INFO L131 PetriNetUnfolder]: For 81/81 co-relation queries the response was YES. [2023-08-31 21:31:17,905 INFO L83 FinitePrefix]: Finished finitePrefix Result has 27347 conditions, 15602 events. 8818/15602 cut-off events. For 81/81 co-relation queries the response was YES. Maximal size of possible extension queue 786. Compared 126774 event pairs, 3754 based on Foata normal form. 0/12195 useless extension candidates. Maximal degree in co-relation 27343. Up to 11411 conditions per place. [2023-08-31 21:31:17,965 INFO L137 encePairwiseOnDemand]: 764/770 looper letters, 70 selfloop transitions, 3 changer transitions 0/116 dead transitions. [2023-08-31 21:31:17,966 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 116 transitions, 395 flow [2023-08-31 21:31:17,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 21:31:17,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 21:31:17,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1207 transitions. [2023-08-31 21:31:17,969 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5225108225108225 [2023-08-31 21:31:17,969 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1207 transitions. [2023-08-31 21:31:17,970 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1207 transitions. [2023-08-31 21:31:17,970 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:31:17,970 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1207 transitions. [2023-08-31 21:31:17,973 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 402.3333333333333) internal successors, (1207), 3 states have internal predecessors, (1207), 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 21:31:17,977 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 770.0) internal successors, (3080), 4 states have internal predecessors, (3080), 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 21:31:17,978 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 770.0) internal successors, (3080), 4 states have internal predecessors, (3080), 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 21:31:17,978 INFO L175 Difference]: Start difference. First operand has 91 places, 97 transitions, 209 flow. Second operand 3 states and 1207 transitions. [2023-08-31 21:31:17,978 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 116 transitions, 395 flow [2023-08-31 21:31:17,979 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 90 places, 116 transitions, 395 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-31 21:31:17,981 INFO L231 Difference]: Finished difference. Result has 91 places, 97 transitions, 224 flow [2023-08-31 21:31:17,981 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=770, PETRI_DIFFERENCE_MINUEND_FLOW=203, PETRI_DIFFERENCE_MINUEND_PLACES=88, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=94, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=91, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=224, PETRI_PLACES=91, PETRI_TRANSITIONS=97} [2023-08-31 21:31:17,982 INFO L281 CegarLoopForPetriNet]: 114 programPoint places, -23 predicate places. [2023-08-31 21:31:17,982 INFO L495 AbstractCegarLoop]: Abstraction has has 91 places, 97 transitions, 224 flow [2023-08-31 21:31:17,983 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 378.6666666666667) internal successors, (1136), 3 states have internal predecessors, (1136), 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 21:31:17,983 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:31:17,983 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:31:17,983 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-31 21:31:17,984 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2023-08-31 21:31:17,984 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:31:17,984 INFO L85 PathProgramCache]: Analyzing trace with hash -1898758854, now seen corresponding path program 1 times [2023-08-31 21:31:17,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:31:17,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093039103] [2023-08-31 21:31:17,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:31:17,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:31:18,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:31:18,027 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 21:31:18,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:31:18,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1093039103] [2023-08-31 21:31:18,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1093039103] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:31:18,028 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:31:18,028 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 21:31:18,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766231985] [2023-08-31 21:31:18,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:31:18,029 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 21:31:18,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:31:18,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 21:31:18,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 21:31:18,043 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 374 out of 770 [2023-08-31 21:31:18,045 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 97 transitions, 224 flow. Second operand has 3 states, 3 states have (on average 376.3333333333333) internal successors, (1129), 3 states have internal predecessors, (1129), 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 21:31:18,045 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:31:18,045 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 374 of 770 [2023-08-31 21:31:18,045 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:31:19,111 INFO L130 PetriNetUnfolder]: 7931/14040 cut-off events. [2023-08-31 21:31:19,111 INFO L131 PetriNetUnfolder]: For 112/112 co-relation queries the response was YES. [2023-08-31 21:31:19,137 INFO L83 FinitePrefix]: Finished finitePrefix Result has 24657 conditions, 14040 events. 7931/14040 cut-off events. For 112/112 co-relation queries the response was YES. Maximal size of possible extension queue 696. Compared 112051 event pairs, 1252 based on Foata normal form. 0/11059 useless extension candidates. Maximal degree in co-relation 24652. Up to 10042 conditions per place. [2023-08-31 21:31:19,190 INFO L137 encePairwiseOnDemand]: 762/770 looper letters, 68 selfloop transitions, 4 changer transitions 0/116 dead transitions. [2023-08-31 21:31:19,190 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 89 places, 116 transitions, 408 flow [2023-08-31 21:31:19,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 21:31:19,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 21:31:19,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1198 transitions. [2023-08-31 21:31:19,194 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5186147186147186 [2023-08-31 21:31:19,198 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1198 transitions. [2023-08-31 21:31:19,198 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1198 transitions. [2023-08-31 21:31:19,199 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:31:19,199 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1198 transitions. [2023-08-31 21:31:19,201 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 399.3333333333333) internal successors, (1198), 3 states have internal predecessors, (1198), 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 21:31:19,205 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 770.0) internal successors, (3080), 4 states have internal predecessors, (3080), 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 21:31:19,207 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 770.0) internal successors, (3080), 4 states have internal predecessors, (3080), 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 21:31:19,207 INFO L175 Difference]: Start difference. First operand has 91 places, 97 transitions, 224 flow. Second operand 3 states and 1198 transitions. [2023-08-31 21:31:19,207 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 89 places, 116 transitions, 408 flow [2023-08-31 21:31:19,208 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 89 places, 116 transitions, 408 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-31 21:31:19,210 INFO L231 Difference]: Finished difference. Result has 90 places, 97 transitions, 244 flow [2023-08-31 21:31:19,211 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=770, PETRI_DIFFERENCE_MINUEND_FLOW=216, PETRI_DIFFERENCE_MINUEND_PLACES=87, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=93, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=244, PETRI_PLACES=90, PETRI_TRANSITIONS=97} [2023-08-31 21:31:19,212 INFO L281 CegarLoopForPetriNet]: 114 programPoint places, -24 predicate places. [2023-08-31 21:31:19,213 INFO L495 AbstractCegarLoop]: Abstraction has has 90 places, 97 transitions, 244 flow [2023-08-31 21:31:19,214 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 376.3333333333333) internal successors, (1129), 3 states have internal predecessors, (1129), 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 21:31:19,214 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:31:19,214 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:31:19,214 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-31 21:31:19,215 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2023-08-31 21:31:19,215 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:31:19,216 INFO L85 PathProgramCache]: Analyzing trace with hash 1917402202, now seen corresponding path program 1 times [2023-08-31 21:31:19,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:31:19,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [864591417] [2023-08-31 21:31:19,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:31:19,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:31:19,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:31:19,278 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 21:31:19,278 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:31:19,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [864591417] [2023-08-31 21:31:19,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [864591417] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:31:19,279 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:31:19,279 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 21:31:19,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [599123020] [2023-08-31 21:31:19,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:31:19,279 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 21:31:19,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:31:19,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 21:31:19,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 21:31:19,289 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 380 out of 770 [2023-08-31 21:31:19,291 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 90 places, 97 transitions, 244 flow. Second operand has 3 states, 3 states have (on average 381.6666666666667) internal successors, (1145), 3 states have internal predecessors, (1145), 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 21:31:19,291 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:31:19,291 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 380 of 770 [2023-08-31 21:31:19,291 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:31:20,321 INFO L130 PetriNetUnfolder]: 9583/16883 cut-off events. [2023-08-31 21:31:20,322 INFO L131 PetriNetUnfolder]: For 449/449 co-relation queries the response was YES. [2023-08-31 21:31:20,366 INFO L83 FinitePrefix]: Finished finitePrefix Result has 30909 conditions, 16883 events. 9583/16883 cut-off events. For 449/449 co-relation queries the response was YES. Maximal size of possible extension queue 908. Compared 140563 event pairs, 2068 based on Foata normal form. 0/13325 useless extension candidates. Maximal degree in co-relation 30903. Up to 9412 conditions per place. [2023-08-31 21:31:20,419 INFO L137 encePairwiseOnDemand]: 766/770 looper letters, 84 selfloop transitions, 2 changer transitions 0/131 dead transitions. [2023-08-31 21:31:20,420 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 131 transitions, 498 flow [2023-08-31 21:31:20,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 21:31:20,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 21:31:20,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1224 transitions. [2023-08-31 21:31:20,423 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5298701298701298 [2023-08-31 21:31:20,423 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1224 transitions. [2023-08-31 21:31:20,423 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1224 transitions. [2023-08-31 21:31:20,424 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:31:20,424 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1224 transitions. [2023-08-31 21:31:20,426 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 408.0) internal successors, (1224), 3 states have internal predecessors, (1224), 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 21:31:20,430 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 770.0) internal successors, (3080), 4 states have internal predecessors, (3080), 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 21:31:20,432 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 770.0) internal successors, (3080), 4 states have internal predecessors, (3080), 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 21:31:20,432 INFO L175 Difference]: Start difference. First operand has 90 places, 97 transitions, 244 flow. Second operand 3 states and 1224 transitions. [2023-08-31 21:31:20,432 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 131 transitions, 498 flow [2023-08-31 21:31:20,433 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 90 places, 131 transitions, 498 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-31 21:31:20,435 INFO L231 Difference]: Finished difference. Result has 91 places, 97 transitions, 254 flow [2023-08-31 21:31:20,435 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=770, PETRI_DIFFERENCE_MINUEND_FLOW=240, PETRI_DIFFERENCE_MINUEND_PLACES=88, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=95, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=93, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=254, PETRI_PLACES=91, PETRI_TRANSITIONS=97} [2023-08-31 21:31:20,436 INFO L281 CegarLoopForPetriNet]: 114 programPoint places, -23 predicate places. [2023-08-31 21:31:20,436 INFO L495 AbstractCegarLoop]: Abstraction has has 91 places, 97 transitions, 254 flow [2023-08-31 21:31:20,437 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 381.6666666666667) internal successors, (1145), 3 states have internal predecessors, (1145), 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 21:31:20,437 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:31:20,437 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:31:20,437 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-31 21:31:20,437 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thread2Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2023-08-31 21:31:20,437 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:31:20,438 INFO L85 PathProgramCache]: Analyzing trace with hash 654972661, now seen corresponding path program 1 times [2023-08-31 21:31:20,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:31:20,438 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646914095] [2023-08-31 21:31:20,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:31:20,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:31:20,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:31:20,497 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 21:31:20,498 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:31:20,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [646914095] [2023-08-31 21:31:20,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [646914095] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:31:20,498 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:31:20,498 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 21:31:20,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852701849] [2023-08-31 21:31:20,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:31:20,499 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 21:31:20,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:31:20,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 21:31:20,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 21:31:20,517 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 377 out of 770 [2023-08-31 21:31:20,518 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 97 transitions, 254 flow. Second operand has 3 states, 3 states have (on average 379.6666666666667) internal successors, (1139), 3 states have internal predecessors, (1139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:31:20,519 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:31:20,519 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 377 of 770 [2023-08-31 21:31:20,519 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:31:21,627 INFO L130 PetriNetUnfolder]: 12992/22617 cut-off events. [2023-08-31 21:31:21,628 INFO L131 PetriNetUnfolder]: For 975/975 co-relation queries the response was YES. [2023-08-31 21:31:21,694 INFO L83 FinitePrefix]: Finished finitePrefix Result has 42524 conditions, 22617 events. 12992/22617 cut-off events. For 975/975 co-relation queries the response was YES. Maximal size of possible extension queue 1193. Compared 193380 event pairs, 3588 based on Foata normal form. 0/17677 useless extension candidates. Maximal degree in co-relation 42517. Up to 11401 conditions per place. [2023-08-31 21:31:21,764 INFO L137 encePairwiseOnDemand]: 764/770 looper letters, 91 selfloop transitions, 3 changer transitions 0/135 dead transitions. [2023-08-31 21:31:21,765 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 135 transitions, 537 flow [2023-08-31 21:31:21,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 21:31:21,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 21:31:21,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1222 transitions. [2023-08-31 21:31:21,768 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.529004329004329 [2023-08-31 21:31:21,768 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1222 transitions. [2023-08-31 21:31:21,768 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1222 transitions. [2023-08-31 21:31:21,769 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:31:21,769 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1222 transitions. [2023-08-31 21:31:21,772 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 407.3333333333333) internal successors, (1222), 3 states have internal predecessors, (1222), 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 21:31:21,776 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 770.0) internal successors, (3080), 4 states have internal predecessors, (3080), 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 21:31:21,777 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 770.0) internal successors, (3080), 4 states have internal predecessors, (3080), 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 21:31:21,777 INFO L175 Difference]: Start difference. First operand has 91 places, 97 transitions, 254 flow. Second operand 3 states and 1222 transitions. [2023-08-31 21:31:21,777 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 135 transitions, 537 flow [2023-08-31 21:31:21,779 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 90 places, 135 transitions, 537 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-31 21:31:21,780 INFO L231 Difference]: Finished difference. Result has 91 places, 97 transitions, 269 flow [2023-08-31 21:31:21,780 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=770, PETRI_DIFFERENCE_MINUEND_FLOW=248, PETRI_DIFFERENCE_MINUEND_PLACES=88, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=94, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=91, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=269, PETRI_PLACES=91, PETRI_TRANSITIONS=97} [2023-08-31 21:31:21,781 INFO L281 CegarLoopForPetriNet]: 114 programPoint places, -23 predicate places. [2023-08-31 21:31:21,781 INFO L495 AbstractCegarLoop]: Abstraction has has 91 places, 97 transitions, 269 flow [2023-08-31 21:31:21,782 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 379.6666666666667) internal successors, (1139), 3 states have internal predecessors, (1139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:31:21,782 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:31:21,782 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:31:21,783 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-31 21:31:21,783 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread2Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2023-08-31 21:31:21,783 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:31:21,783 INFO L85 PathProgramCache]: Analyzing trace with hash -1931182979, now seen corresponding path program 1 times [2023-08-31 21:31:21,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:31:21,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454193195] [2023-08-31 21:31:21,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:31:21,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:31:21,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:31:21,809 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 21:31:21,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:31:21,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454193195] [2023-08-31 21:31:21,809 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1454193195] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:31:21,810 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:31:21,810 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 21:31:21,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933764270] [2023-08-31 21:31:21,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:31:21,810 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 21:31:21,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:31:21,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 21:31:21,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 21:31:21,823 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 374 out of 770 [2023-08-31 21:31:21,825 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 97 transitions, 269 flow. Second operand has 3 states, 3 states have (on average 377.0) internal successors, (1131), 3 states have internal predecessors, (1131), 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 21:31:21,825 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:31:21,825 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 374 of 770 [2023-08-31 21:31:21,825 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:31:23,377 INFO L130 PetriNetUnfolder]: 17170/27188 cut-off events. [2023-08-31 21:31:23,377 INFO L131 PetriNetUnfolder]: For 1373/1373 co-relation queries the response was YES. [2023-08-31 21:31:23,461 INFO L83 FinitePrefix]: Finished finitePrefix Result has 53729 conditions, 27188 events. 17170/27188 cut-off events. For 1373/1373 co-relation queries the response was YES. Maximal size of possible extension queue 1227. Compared 207070 event pairs, 5231 based on Foata normal form. 0/20951 useless extension candidates. Maximal degree in co-relation 53721. Up to 14960 conditions per place. [2023-08-31 21:31:23,532 INFO L137 encePairwiseOnDemand]: 762/770 looper letters, 92 selfloop transitions, 4 changer transitions 0/133 dead transitions. [2023-08-31 21:31:23,532 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 89 places, 133 transitions, 545 flow [2023-08-31 21:31:23,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 21:31:23,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 21:31:23,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1218 transitions. [2023-08-31 21:31:23,535 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5272727272727272 [2023-08-31 21:31:23,535 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1218 transitions. [2023-08-31 21:31:23,535 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1218 transitions. [2023-08-31 21:31:23,536 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:31:23,536 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1218 transitions. [2023-08-31 21:31:23,538 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 406.0) internal successors, (1218), 3 states have internal predecessors, (1218), 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 21:31:23,542 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 770.0) internal successors, (3080), 4 states have internal predecessors, (3080), 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 21:31:23,542 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 770.0) internal successors, (3080), 4 states have internal predecessors, (3080), 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 21:31:23,543 INFO L175 Difference]: Start difference. First operand has 91 places, 97 transitions, 269 flow. Second operand 3 states and 1218 transitions. [2023-08-31 21:31:23,543 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 89 places, 133 transitions, 545 flow [2023-08-31 21:31:23,545 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 89 places, 133 transitions, 545 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-31 21:31:23,547 INFO L231 Difference]: Finished difference. Result has 90 places, 97 transitions, 289 flow [2023-08-31 21:31:23,547 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=770, PETRI_DIFFERENCE_MINUEND_FLOW=261, PETRI_DIFFERENCE_MINUEND_PLACES=87, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=93, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=289, PETRI_PLACES=90, PETRI_TRANSITIONS=97} [2023-08-31 21:31:23,547 INFO L281 CegarLoopForPetriNet]: 114 programPoint places, -24 predicate places. [2023-08-31 21:31:23,548 INFO L495 AbstractCegarLoop]: Abstraction has has 90 places, 97 transitions, 289 flow [2023-08-31 21:31:23,548 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 377.0) internal successors, (1131), 3 states have internal predecessors, (1131), 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 21:31:23,548 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:31:23,548 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:31:23,549 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-08-31 21:31:23,549 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2023-08-31 21:31:23,549 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:31:23,549 INFO L85 PathProgramCache]: Analyzing trace with hash -1922239274, now seen corresponding path program 1 times [2023-08-31 21:31:23,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:31:23,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453265653] [2023-08-31 21:31:23,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:31:23,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:31:23,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:31:23,575 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 21:31:23,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:31:23,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1453265653] [2023-08-31 21:31:23,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1453265653] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:31:23,576 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:31:23,576 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 21:31:23,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721076552] [2023-08-31 21:31:23,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:31:23,576 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 21:31:23,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:31:23,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 21:31:23,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 21:31:23,587 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 380 out of 770 [2023-08-31 21:31:23,588 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 90 places, 97 transitions, 289 flow. Second operand has 3 states, 3 states have (on average 382.6666666666667) internal successors, (1148), 3 states have internal predecessors, (1148), 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 21:31:23,589 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:31:23,589 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 380 of 770 [2023-08-31 21:31:23,589 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:31:25,448 INFO L130 PetriNetUnfolder]: 17905/28346 cut-off events. [2023-08-31 21:31:25,448 INFO L131 PetriNetUnfolder]: For 1313/1313 co-relation queries the response was YES. [2023-08-31 21:31:25,501 INFO L83 FinitePrefix]: Finished finitePrefix Result has 57760 conditions, 28346 events. 17905/28346 cut-off events. For 1313/1313 co-relation queries the response was YES. Maximal size of possible extension queue 1194. Compared 217838 event pairs, 7496 based on Foata normal form. 0/23278 useless extension candidates. Maximal degree in co-relation 57751. Up to 14106 conditions per place. [2023-08-31 21:31:25,558 INFO L137 encePairwiseOnDemand]: 766/770 looper letters, 97 selfloop transitions, 2 changer transitions 0/141 dead transitions. [2023-08-31 21:31:25,558 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 141 transitions, 591 flow [2023-08-31 21:31:25,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 21:31:25,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 21:31:25,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1236 transitions. [2023-08-31 21:31:25,561 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.535064935064935 [2023-08-31 21:31:25,561 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1236 transitions. [2023-08-31 21:31:25,561 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1236 transitions. [2023-08-31 21:31:25,562 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:31:25,562 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1236 transitions. [2023-08-31 21:31:25,565 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 412.0) internal successors, (1236), 3 states have internal predecessors, (1236), 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 21:31:25,568 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 770.0) internal successors, (3080), 4 states have internal predecessors, (3080), 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 21:31:25,569 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 770.0) internal successors, (3080), 4 states have internal predecessors, (3080), 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 21:31:25,569 INFO L175 Difference]: Start difference. First operand has 90 places, 97 transitions, 289 flow. Second operand 3 states and 1236 transitions. [2023-08-31 21:31:25,569 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 141 transitions, 591 flow [2023-08-31 21:31:25,572 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 90 places, 141 transitions, 591 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-31 21:31:25,573 INFO L231 Difference]: Finished difference. Result has 91 places, 97 transitions, 299 flow [2023-08-31 21:31:25,574 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=770, PETRI_DIFFERENCE_MINUEND_FLOW=285, PETRI_DIFFERENCE_MINUEND_PLACES=88, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=95, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=93, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=299, PETRI_PLACES=91, PETRI_TRANSITIONS=97} [2023-08-31 21:31:25,574 INFO L281 CegarLoopForPetriNet]: 114 programPoint places, -23 predicate places. [2023-08-31 21:31:25,574 INFO L495 AbstractCegarLoop]: Abstraction has has 91 places, 97 transitions, 299 flow [2023-08-31 21:31:25,575 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 382.6666666666667) internal successors, (1148), 3 states have internal predecessors, (1148), 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 21:31:25,575 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:31:25,575 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:31:25,575 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-08-31 21:31:25,576 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2023-08-31 21:31:25,576 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:31:25,576 INFO L85 PathProgramCache]: Analyzing trace with hash -439975094, now seen corresponding path program 1 times [2023-08-31 21:31:25,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:31:25,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [445769410] [2023-08-31 21:31:25,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:31:25,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:31:25,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:31:25,599 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 21:31:25,599 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:31:25,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [445769410] [2023-08-31 21:31:25,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [445769410] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:31:25,599 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:31:25,600 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 21:31:25,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754825984] [2023-08-31 21:31:25,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:31:25,601 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 21:31:25,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:31:25,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 21:31:25,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 21:31:25,612 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 380 out of 770 [2023-08-31 21:31:25,613 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 97 transitions, 299 flow. Second operand has 3 states, 3 states have (on average 383.0) internal successors, (1149), 3 states have internal predecessors, (1149), 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 21:31:25,613 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:31:25,614 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 380 of 770 [2023-08-31 21:31:25,614 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:31:27,179 INFO L130 PetriNetUnfolder]: 19120/30407 cut-off events. [2023-08-31 21:31:27,180 INFO L131 PetriNetUnfolder]: For 2086/2086 co-relation queries the response was YES. [2023-08-31 21:31:27,280 INFO L83 FinitePrefix]: Finished finitePrefix Result has 63138 conditions, 30407 events. 19120/30407 cut-off events. For 2086/2086 co-relation queries the response was YES. Maximal size of possible extension queue 1281. Compared 237003 event pairs, 9098 based on Foata normal form. 0/24946 useless extension candidates. Maximal degree in co-relation 63128. Up to 16760 conditions per place. [2023-08-31 21:31:27,341 INFO L137 encePairwiseOnDemand]: 766/770 looper letters, 99 selfloop transitions, 2 changer transitions 0/143 dead transitions. [2023-08-31 21:31:27,341 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 91 places, 143 transitions, 617 flow [2023-08-31 21:31:27,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 21:31:27,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 21:31:27,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1235 transitions. [2023-08-31 21:31:27,345 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5346320346320347 [2023-08-31 21:31:27,345 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1235 transitions. [2023-08-31 21:31:27,345 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1235 transitions. [2023-08-31 21:31:27,345 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:31:27,346 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1235 transitions. [2023-08-31 21:31:27,348 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 411.6666666666667) internal successors, (1235), 3 states have internal predecessors, (1235), 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 21:31:27,351 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 770.0) internal successors, (3080), 4 states have internal predecessors, (3080), 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 21:31:27,352 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 770.0) internal successors, (3080), 4 states have internal predecessors, (3080), 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 21:31:27,352 INFO L175 Difference]: Start difference. First operand has 91 places, 97 transitions, 299 flow. Second operand 3 states and 1235 transitions. [2023-08-31 21:31:27,352 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 91 places, 143 transitions, 617 flow [2023-08-31 21:31:27,358 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 91 places, 143 transitions, 617 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-31 21:31:27,360 INFO L231 Difference]: Finished difference. Result has 92 places, 97 transitions, 309 flow [2023-08-31 21:31:27,360 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=770, PETRI_DIFFERENCE_MINUEND_FLOW=295, PETRI_DIFFERENCE_MINUEND_PLACES=89, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=95, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=93, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=309, PETRI_PLACES=92, PETRI_TRANSITIONS=97} [2023-08-31 21:31:27,361 INFO L281 CegarLoopForPetriNet]: 114 programPoint places, -22 predicate places. [2023-08-31 21:31:27,361 INFO L495 AbstractCegarLoop]: Abstraction has has 92 places, 97 transitions, 309 flow [2023-08-31 21:31:27,362 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 383.0) internal successors, (1149), 3 states have internal predecessors, (1149), 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 21:31:27,362 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:31:27,362 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:31:27,362 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-08-31 21:31:27,363 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thread2Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2023-08-31 21:31:27,363 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:31:27,363 INFO L85 PathProgramCache]: Analyzing trace with hash -1909237235, now seen corresponding path program 1 times [2023-08-31 21:31:27,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:31:27,363 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245642063] [2023-08-31 21:31:27,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:31:27,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:31:27,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:31:27,386 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 21:31:27,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:31:27,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [245642063] [2023-08-31 21:31:27,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [245642063] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:31:27,386 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:31:27,387 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 21:31:27,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84976556] [2023-08-31 21:31:27,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:31:27,387 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 21:31:27,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:31:27,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 21:31:27,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 21:31:27,400 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 380 out of 770 [2023-08-31 21:31:27,401 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 97 transitions, 309 flow. Second operand has 3 states, 3 states have (on average 383.3333333333333) internal successors, (1150), 3 states have internal predecessors, (1150), 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 21:31:27,401 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:31:27,402 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 380 of 770 [2023-08-31 21:31:27,402 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:31:28,968 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1464] L44-26-->L44-37: Formula: (and (= |v_thread1Thread1of1ForFork2_#t~ite2#1_35| |v_thread1Thread1of1ForFork2_#t~ite3#1_45|) (= |v_thread1Thread1of1ForFork2_minus_~a#1_55| |v_thread1Thread1of1ForFork2_minus_#in~a#1_23|) (= |v_thread1Thread1of1ForFork2_#t~ite3#1_45| |v_thread1Thread1of1ForFork2_#t~ite4#1_41|) (= |v_thread1Thread1of1ForFork2_minus_~b#1_55| |v_thread1Thread1of1ForFork2_minus_#in~b#1_23|) (= |v_thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1_63| |v_thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_41|) (= |v_thread1Thread1of1ForFork2_#t~ite2#1_35| |v_thread1Thread1of1ForFork2_#t~ret1#1_37|) (= |v_thread1Thread1of1ForFork2_minus_#in~a#1_23| v_~filename_1~0_57) (<= 0 (+ |v_thread1Thread1of1ForFork2_#t~ret1#1_37| 2147483648)) (<= |v_thread1Thread1of1ForFork2_#t~ret1#1_37| 2147483647) (= v_~result_9~0_56 |v_thread1Thread1of1ForFork2_#t~ite5#1_43|) (= (+ |v_thread1Thread1of1ForFork2_minus_~b#1_55| |v_thread1Thread1of1ForFork2_minus_#res#1_41|) |v_thread1Thread1of1ForFork2_minus_~a#1_55|) (= |v_thread1Thread1of1ForFork2_minus_#in~b#1_23| v_~filename_4~0_55) (= |v_thread1Thread1of1ForFork2_#t~ite4#1_41| |v_thread1Thread1of1ForFork2_#t~ite5#1_43|) (= (ite (or (<= 0 |v_thread1Thread1of1ForFork2_minus_~b#1_55|) (<= |v_thread1Thread1of1ForFork2_minus_~a#1_55| (+ |v_thread1Thread1of1ForFork2_minus_~b#1_55| 2147483647))) 1 0) |v_thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_41|) (= |v_thread1Thread1of1ForFork2_minus_#res#1_41| |v_thread1Thread1of1ForFork2_#t~ret1#1_37|) (= |v_#race~filename_4~0_44| 0)) InVars {~filename_1~0=v_~filename_1~0_57, ~filename_4~0=v_~filename_4~0_55, #race~filename_4~0=|v_#race~filename_4~0_44|} OutVars{thread1Thread1of1ForFork2_#t~ret1#1=|v_thread1Thread1of1ForFork2_#t~ret1#1_37|, thread1Thread1of1ForFork2_#t~ite2#1=|v_thread1Thread1of1ForFork2_#t~ite2#1_35|, thread1Thread1of1ForFork2_minus_#in~a#1=|v_thread1Thread1of1ForFork2_minus_#in~a#1_23|, ~filename_1~0=v_~filename_1~0_57, thread1Thread1of1ForFork2_#t~ite5#1=|v_thread1Thread1of1ForFork2_#t~ite5#1_43|, thread1Thread1of1ForFork2_minus_#res#1=|v_thread1Thread1of1ForFork2_minus_#res#1_41|, thread1Thread1of1ForFork2_#t~nondet6#1=|v_thread1Thread1of1ForFork2_#t~nondet6#1_45|, ~result_9~0=v_~result_9~0_56, ~filename_4~0=v_~filename_4~0_55, thread1Thread1of1ForFork2_minus_#in~b#1=|v_thread1Thread1of1ForFork2_minus_#in~b#1_23|, thread1Thread1of1ForFork2_minus_~b#1=|v_thread1Thread1of1ForFork2_minus_~b#1_55|, thread1Thread1of1ForFork2_#t~ite3#1=|v_thread1Thread1of1ForFork2_#t~ite3#1_45|, thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1=|v_thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_41|, thread1Thread1of1ForFork2_#t~ite4#1=|v_thread1Thread1of1ForFork2_#t~ite4#1_41|, thread1Thread1of1ForFork2_minus_~a#1=|v_thread1Thread1of1ForFork2_minus_~a#1_55|, thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1=|v_thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1_63|, #race~filename_4~0=|v_#race~filename_4~0_44|} AuxVars[] AssignedVars[thread1Thread1of1ForFork2_#t~ret1#1, thread1Thread1of1ForFork2_#t~ite2#1, thread1Thread1of1ForFork2_minus_#in~a#1, thread1Thread1of1ForFork2_#t~ite5#1, thread1Thread1of1ForFork2_minus_#res#1, thread1Thread1of1ForFork2_#t~nondet6#1, ~result_9~0, thread1Thread1of1ForFork2_minus_#in~b#1, thread1Thread1of1ForFork2_minus_~b#1, thread1Thread1of1ForFork2_#t~ite3#1, thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1, thread1Thread1of1ForFork2_#t~ite4#1, thread1Thread1of1ForFork2_minus_~a#1, thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1][131], [408#(= |#race~isNull_6~0| 0), 433#(= |#race~filename_4~0| 0), 418#(= |#race~filename_5~0| 0), Black: 416#true, 428#(= |#race~filename_1~0| 0), 59#L50-36true, 403#(= |#race~isNull_3~0| 0), Black: 421#true, 438#(= |#race~filename_7~0| 0), Black: 426#true, 150#L77-4true, Black: 396#true, Black: 431#true, Black: 401#true, 141#L56-36true, 398#(= |#race~isNull_0~0| 0), 221#L44-37true, Black: 406#true, 423#(= |#race~filename_8~0| 0), 413#(= |#race~filename_2~0| 0), 393#true, Black: 411#true]) [2023-08-31 21:31:28,968 INFO L383 tUnfolder$Statistics]: this new event has 42 ancestors and is cut-off event [2023-08-31 21:31:28,968 INFO L386 tUnfolder$Statistics]: existing Event has 34 ancestors and is cut-off event [2023-08-31 21:31:28,968 INFO L386 tUnfolder$Statistics]: existing Event has 34 ancestors and is cut-off event [2023-08-31 21:31:28,968 INFO L386 tUnfolder$Statistics]: existing Event has 34 ancestors and is cut-off event [2023-08-31 21:31:28,973 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1464] L44-26-->L44-37: Formula: (and (= |v_thread1Thread1of1ForFork2_#t~ite2#1_35| |v_thread1Thread1of1ForFork2_#t~ite3#1_45|) (= |v_thread1Thread1of1ForFork2_minus_~a#1_55| |v_thread1Thread1of1ForFork2_minus_#in~a#1_23|) (= |v_thread1Thread1of1ForFork2_#t~ite3#1_45| |v_thread1Thread1of1ForFork2_#t~ite4#1_41|) (= |v_thread1Thread1of1ForFork2_minus_~b#1_55| |v_thread1Thread1of1ForFork2_minus_#in~b#1_23|) (= |v_thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1_63| |v_thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_41|) (= |v_thread1Thread1of1ForFork2_#t~ite2#1_35| |v_thread1Thread1of1ForFork2_#t~ret1#1_37|) (= |v_thread1Thread1of1ForFork2_minus_#in~a#1_23| v_~filename_1~0_57) (<= 0 (+ |v_thread1Thread1of1ForFork2_#t~ret1#1_37| 2147483648)) (<= |v_thread1Thread1of1ForFork2_#t~ret1#1_37| 2147483647) (= v_~result_9~0_56 |v_thread1Thread1of1ForFork2_#t~ite5#1_43|) (= (+ |v_thread1Thread1of1ForFork2_minus_~b#1_55| |v_thread1Thread1of1ForFork2_minus_#res#1_41|) |v_thread1Thread1of1ForFork2_minus_~a#1_55|) (= |v_thread1Thread1of1ForFork2_minus_#in~b#1_23| v_~filename_4~0_55) (= |v_thread1Thread1of1ForFork2_#t~ite4#1_41| |v_thread1Thread1of1ForFork2_#t~ite5#1_43|) (= (ite (or (<= 0 |v_thread1Thread1of1ForFork2_minus_~b#1_55|) (<= |v_thread1Thread1of1ForFork2_minus_~a#1_55| (+ |v_thread1Thread1of1ForFork2_minus_~b#1_55| 2147483647))) 1 0) |v_thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_41|) (= |v_thread1Thread1of1ForFork2_minus_#res#1_41| |v_thread1Thread1of1ForFork2_#t~ret1#1_37|) (= |v_#race~filename_4~0_44| 0)) InVars {~filename_1~0=v_~filename_1~0_57, ~filename_4~0=v_~filename_4~0_55, #race~filename_4~0=|v_#race~filename_4~0_44|} OutVars{thread1Thread1of1ForFork2_#t~ret1#1=|v_thread1Thread1of1ForFork2_#t~ret1#1_37|, thread1Thread1of1ForFork2_#t~ite2#1=|v_thread1Thread1of1ForFork2_#t~ite2#1_35|, thread1Thread1of1ForFork2_minus_#in~a#1=|v_thread1Thread1of1ForFork2_minus_#in~a#1_23|, ~filename_1~0=v_~filename_1~0_57, thread1Thread1of1ForFork2_#t~ite5#1=|v_thread1Thread1of1ForFork2_#t~ite5#1_43|, thread1Thread1of1ForFork2_minus_#res#1=|v_thread1Thread1of1ForFork2_minus_#res#1_41|, thread1Thread1of1ForFork2_#t~nondet6#1=|v_thread1Thread1of1ForFork2_#t~nondet6#1_45|, ~result_9~0=v_~result_9~0_56, ~filename_4~0=v_~filename_4~0_55, thread1Thread1of1ForFork2_minus_#in~b#1=|v_thread1Thread1of1ForFork2_minus_#in~b#1_23|, thread1Thread1of1ForFork2_minus_~b#1=|v_thread1Thread1of1ForFork2_minus_~b#1_55|, thread1Thread1of1ForFork2_#t~ite3#1=|v_thread1Thread1of1ForFork2_#t~ite3#1_45|, thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1=|v_thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_41|, thread1Thread1of1ForFork2_#t~ite4#1=|v_thread1Thread1of1ForFork2_#t~ite4#1_41|, thread1Thread1of1ForFork2_minus_~a#1=|v_thread1Thread1of1ForFork2_minus_~a#1_55|, thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1=|v_thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1_63|, #race~filename_4~0=|v_#race~filename_4~0_44|} AuxVars[] AssignedVars[thread1Thread1of1ForFork2_#t~ret1#1, thread1Thread1of1ForFork2_#t~ite2#1, thread1Thread1of1ForFork2_minus_#in~a#1, thread1Thread1of1ForFork2_#t~ite5#1, thread1Thread1of1ForFork2_minus_#res#1, thread1Thread1of1ForFork2_#t~nondet6#1, ~result_9~0, thread1Thread1of1ForFork2_minus_#in~b#1, thread1Thread1of1ForFork2_minus_~b#1, thread1Thread1of1ForFork2_#t~ite3#1, thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1, thread1Thread1of1ForFork2_#t~ite4#1, thread1Thread1of1ForFork2_minus_~a#1, thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1][131], [408#(= |#race~isNull_6~0| 0), 433#(= |#race~filename_4~0| 0), 418#(= |#race~filename_5~0| 0), 428#(= |#race~filename_1~0| 0), 172#L78-6true, Black: 416#true, 59#L50-36true, 403#(= |#race~isNull_3~0| 0), Black: 421#true, 438#(= |#race~filename_7~0| 0), Black: 426#true, Black: 396#true, Black: 431#true, Black: 401#true, 141#L56-36true, 398#(= |#race~isNull_0~0| 0), 221#L44-37true, Black: 406#true, 423#(= |#race~filename_8~0| 0), 413#(= |#race~filename_2~0| 0), 393#true, Black: 411#true]) [2023-08-31 21:31:28,974 INFO L383 tUnfolder$Statistics]: this new event has 43 ancestors and is cut-off event [2023-08-31 21:31:28,974 INFO L386 tUnfolder$Statistics]: existing Event has 35 ancestors and is cut-off event [2023-08-31 21:31:28,974 INFO L386 tUnfolder$Statistics]: existing Event has 35 ancestors and is cut-off event [2023-08-31 21:31:28,974 INFO L386 tUnfolder$Statistics]: existing Event has 35 ancestors and is cut-off event [2023-08-31 21:31:28,975 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1464] L44-26-->L44-37: Formula: (and (= |v_thread1Thread1of1ForFork2_#t~ite2#1_35| |v_thread1Thread1of1ForFork2_#t~ite3#1_45|) (= |v_thread1Thread1of1ForFork2_minus_~a#1_55| |v_thread1Thread1of1ForFork2_minus_#in~a#1_23|) (= |v_thread1Thread1of1ForFork2_#t~ite3#1_45| |v_thread1Thread1of1ForFork2_#t~ite4#1_41|) (= |v_thread1Thread1of1ForFork2_minus_~b#1_55| |v_thread1Thread1of1ForFork2_minus_#in~b#1_23|) (= |v_thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1_63| |v_thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_41|) (= |v_thread1Thread1of1ForFork2_#t~ite2#1_35| |v_thread1Thread1of1ForFork2_#t~ret1#1_37|) (= |v_thread1Thread1of1ForFork2_minus_#in~a#1_23| v_~filename_1~0_57) (<= 0 (+ |v_thread1Thread1of1ForFork2_#t~ret1#1_37| 2147483648)) (<= |v_thread1Thread1of1ForFork2_#t~ret1#1_37| 2147483647) (= v_~result_9~0_56 |v_thread1Thread1of1ForFork2_#t~ite5#1_43|) (= (+ |v_thread1Thread1of1ForFork2_minus_~b#1_55| |v_thread1Thread1of1ForFork2_minus_#res#1_41|) |v_thread1Thread1of1ForFork2_minus_~a#1_55|) (= |v_thread1Thread1of1ForFork2_minus_#in~b#1_23| v_~filename_4~0_55) (= |v_thread1Thread1of1ForFork2_#t~ite4#1_41| |v_thread1Thread1of1ForFork2_#t~ite5#1_43|) (= (ite (or (<= 0 |v_thread1Thread1of1ForFork2_minus_~b#1_55|) (<= |v_thread1Thread1of1ForFork2_minus_~a#1_55| (+ |v_thread1Thread1of1ForFork2_minus_~b#1_55| 2147483647))) 1 0) |v_thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_41|) (= |v_thread1Thread1of1ForFork2_minus_#res#1_41| |v_thread1Thread1of1ForFork2_#t~ret1#1_37|) (= |v_#race~filename_4~0_44| 0)) InVars {~filename_1~0=v_~filename_1~0_57, ~filename_4~0=v_~filename_4~0_55, #race~filename_4~0=|v_#race~filename_4~0_44|} OutVars{thread1Thread1of1ForFork2_#t~ret1#1=|v_thread1Thread1of1ForFork2_#t~ret1#1_37|, thread1Thread1of1ForFork2_#t~ite2#1=|v_thread1Thread1of1ForFork2_#t~ite2#1_35|, thread1Thread1of1ForFork2_minus_#in~a#1=|v_thread1Thread1of1ForFork2_minus_#in~a#1_23|, ~filename_1~0=v_~filename_1~0_57, thread1Thread1of1ForFork2_#t~ite5#1=|v_thread1Thread1of1ForFork2_#t~ite5#1_43|, thread1Thread1of1ForFork2_minus_#res#1=|v_thread1Thread1of1ForFork2_minus_#res#1_41|, thread1Thread1of1ForFork2_#t~nondet6#1=|v_thread1Thread1of1ForFork2_#t~nondet6#1_45|, ~result_9~0=v_~result_9~0_56, ~filename_4~0=v_~filename_4~0_55, thread1Thread1of1ForFork2_minus_#in~b#1=|v_thread1Thread1of1ForFork2_minus_#in~b#1_23|, thread1Thread1of1ForFork2_minus_~b#1=|v_thread1Thread1of1ForFork2_minus_~b#1_55|, thread1Thread1of1ForFork2_#t~ite3#1=|v_thread1Thread1of1ForFork2_#t~ite3#1_45|, thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1=|v_thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_41|, thread1Thread1of1ForFork2_#t~ite4#1=|v_thread1Thread1of1ForFork2_#t~ite4#1_41|, thread1Thread1of1ForFork2_minus_~a#1=|v_thread1Thread1of1ForFork2_minus_~a#1_55|, thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1=|v_thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1_63|, #race~filename_4~0=|v_#race~filename_4~0_44|} AuxVars[] AssignedVars[thread1Thread1of1ForFork2_#t~ret1#1, thread1Thread1of1ForFork2_#t~ite2#1, thread1Thread1of1ForFork2_minus_#in~a#1, thread1Thread1of1ForFork2_#t~ite5#1, thread1Thread1of1ForFork2_minus_#res#1, thread1Thread1of1ForFork2_#t~nondet6#1, ~result_9~0, thread1Thread1of1ForFork2_minus_#in~b#1, thread1Thread1of1ForFork2_minus_~b#1, thread1Thread1of1ForFork2_#t~ite3#1, thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1, thread1Thread1of1ForFork2_#t~ite4#1, thread1Thread1of1ForFork2_minus_~a#1, thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1][131], [408#(= |#race~isNull_6~0| 0), 433#(= |#race~filename_4~0| 0), 418#(= |#race~filename_5~0| 0), Black: 416#true, 428#(= |#race~filename_1~0| 0), 403#(= |#race~isNull_3~0| 0), Black: 421#true, 438#(= |#race~filename_7~0| 0), Black: 426#true, 150#L77-4true, Black: 396#true, 69#thread2EXITtrue, Black: 431#true, Black: 401#true, 141#L56-36true, 398#(= |#race~isNull_0~0| 0), 221#L44-37true, Black: 406#true, 423#(= |#race~filename_8~0| 0), 413#(= |#race~filename_2~0| 0), 393#true, Black: 411#true]) [2023-08-31 21:31:28,975 INFO L383 tUnfolder$Statistics]: this new event has 43 ancestors and is cut-off event [2023-08-31 21:31:28,975 INFO L386 tUnfolder$Statistics]: existing Event has 35 ancestors and is cut-off event [2023-08-31 21:31:28,975 INFO L386 tUnfolder$Statistics]: existing Event has 35 ancestors and is cut-off event [2023-08-31 21:31:28,975 INFO L386 tUnfolder$Statistics]: existing Event has 35 ancestors and is cut-off event [2023-08-31 21:31:28,976 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1464] L44-26-->L44-37: Formula: (and (= |v_thread1Thread1of1ForFork2_#t~ite2#1_35| |v_thread1Thread1of1ForFork2_#t~ite3#1_45|) (= |v_thread1Thread1of1ForFork2_minus_~a#1_55| |v_thread1Thread1of1ForFork2_minus_#in~a#1_23|) (= |v_thread1Thread1of1ForFork2_#t~ite3#1_45| |v_thread1Thread1of1ForFork2_#t~ite4#1_41|) (= |v_thread1Thread1of1ForFork2_minus_~b#1_55| |v_thread1Thread1of1ForFork2_minus_#in~b#1_23|) (= |v_thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1_63| |v_thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_41|) (= |v_thread1Thread1of1ForFork2_#t~ite2#1_35| |v_thread1Thread1of1ForFork2_#t~ret1#1_37|) (= |v_thread1Thread1of1ForFork2_minus_#in~a#1_23| v_~filename_1~0_57) (<= 0 (+ |v_thread1Thread1of1ForFork2_#t~ret1#1_37| 2147483648)) (<= |v_thread1Thread1of1ForFork2_#t~ret1#1_37| 2147483647) (= v_~result_9~0_56 |v_thread1Thread1of1ForFork2_#t~ite5#1_43|) (= (+ |v_thread1Thread1of1ForFork2_minus_~b#1_55| |v_thread1Thread1of1ForFork2_minus_#res#1_41|) |v_thread1Thread1of1ForFork2_minus_~a#1_55|) (= |v_thread1Thread1of1ForFork2_minus_#in~b#1_23| v_~filename_4~0_55) (= |v_thread1Thread1of1ForFork2_#t~ite4#1_41| |v_thread1Thread1of1ForFork2_#t~ite5#1_43|) (= (ite (or (<= 0 |v_thread1Thread1of1ForFork2_minus_~b#1_55|) (<= |v_thread1Thread1of1ForFork2_minus_~a#1_55| (+ |v_thread1Thread1of1ForFork2_minus_~b#1_55| 2147483647))) 1 0) |v_thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_41|) (= |v_thread1Thread1of1ForFork2_minus_#res#1_41| |v_thread1Thread1of1ForFork2_#t~ret1#1_37|) (= |v_#race~filename_4~0_44| 0)) InVars {~filename_1~0=v_~filename_1~0_57, ~filename_4~0=v_~filename_4~0_55, #race~filename_4~0=|v_#race~filename_4~0_44|} OutVars{thread1Thread1of1ForFork2_#t~ret1#1=|v_thread1Thread1of1ForFork2_#t~ret1#1_37|, thread1Thread1of1ForFork2_#t~ite2#1=|v_thread1Thread1of1ForFork2_#t~ite2#1_35|, thread1Thread1of1ForFork2_minus_#in~a#1=|v_thread1Thread1of1ForFork2_minus_#in~a#1_23|, ~filename_1~0=v_~filename_1~0_57, thread1Thread1of1ForFork2_#t~ite5#1=|v_thread1Thread1of1ForFork2_#t~ite5#1_43|, thread1Thread1of1ForFork2_minus_#res#1=|v_thread1Thread1of1ForFork2_minus_#res#1_41|, thread1Thread1of1ForFork2_#t~nondet6#1=|v_thread1Thread1of1ForFork2_#t~nondet6#1_45|, ~result_9~0=v_~result_9~0_56, ~filename_4~0=v_~filename_4~0_55, thread1Thread1of1ForFork2_minus_#in~b#1=|v_thread1Thread1of1ForFork2_minus_#in~b#1_23|, thread1Thread1of1ForFork2_minus_~b#1=|v_thread1Thread1of1ForFork2_minus_~b#1_55|, thread1Thread1of1ForFork2_#t~ite3#1=|v_thread1Thread1of1ForFork2_#t~ite3#1_45|, thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1=|v_thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_41|, thread1Thread1of1ForFork2_#t~ite4#1=|v_thread1Thread1of1ForFork2_#t~ite4#1_41|, thread1Thread1of1ForFork2_minus_~a#1=|v_thread1Thread1of1ForFork2_minus_~a#1_55|, thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1=|v_thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1_63|, #race~filename_4~0=|v_#race~filename_4~0_44|} AuxVars[] AssignedVars[thread1Thread1of1ForFork2_#t~ret1#1, thread1Thread1of1ForFork2_#t~ite2#1, thread1Thread1of1ForFork2_minus_#in~a#1, thread1Thread1of1ForFork2_#t~ite5#1, thread1Thread1of1ForFork2_minus_#res#1, thread1Thread1of1ForFork2_#t~nondet6#1, ~result_9~0, thread1Thread1of1ForFork2_minus_#in~b#1, thread1Thread1of1ForFork2_minus_~b#1, thread1Thread1of1ForFork2_#t~ite3#1, thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1, thread1Thread1of1ForFork2_#t~ite4#1, thread1Thread1of1ForFork2_minus_~a#1, thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1][131], [408#(= |#race~isNull_6~0| 0), 433#(= |#race~filename_4~0| 0), 418#(= |#race~filename_5~0| 0), Black: 416#true, 428#(= |#race~filename_1~0| 0), 59#L50-36true, 403#(= |#race~isNull_3~0| 0), Black: 421#true, 438#(= |#race~filename_7~0| 0), Black: 426#true, 150#L77-4true, Black: 396#true, Black: 431#true, Black: 401#true, 398#(= |#race~isNull_0~0| 0), 221#L44-37true, 128#thread3EXITtrue, Black: 406#true, 423#(= |#race~filename_8~0| 0), 413#(= |#race~filename_2~0| 0), 393#true, Black: 411#true]) [2023-08-31 21:31:28,976 INFO L383 tUnfolder$Statistics]: this new event has 43 ancestors and is cut-off event [2023-08-31 21:31:28,976 INFO L386 tUnfolder$Statistics]: existing Event has 35 ancestors and is cut-off event [2023-08-31 21:31:28,976 INFO L386 tUnfolder$Statistics]: existing Event has 35 ancestors and is cut-off event [2023-08-31 21:31:28,976 INFO L386 tUnfolder$Statistics]: existing Event has 35 ancestors and is cut-off event [2023-08-31 21:31:28,978 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1464] L44-26-->L44-37: Formula: (and (= |v_thread1Thread1of1ForFork2_#t~ite2#1_35| |v_thread1Thread1of1ForFork2_#t~ite3#1_45|) (= |v_thread1Thread1of1ForFork2_minus_~a#1_55| |v_thread1Thread1of1ForFork2_minus_#in~a#1_23|) (= |v_thread1Thread1of1ForFork2_#t~ite3#1_45| |v_thread1Thread1of1ForFork2_#t~ite4#1_41|) (= |v_thread1Thread1of1ForFork2_minus_~b#1_55| |v_thread1Thread1of1ForFork2_minus_#in~b#1_23|) (= |v_thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1_63| |v_thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_41|) (= |v_thread1Thread1of1ForFork2_#t~ite2#1_35| |v_thread1Thread1of1ForFork2_#t~ret1#1_37|) (= |v_thread1Thread1of1ForFork2_minus_#in~a#1_23| v_~filename_1~0_57) (<= 0 (+ |v_thread1Thread1of1ForFork2_#t~ret1#1_37| 2147483648)) (<= |v_thread1Thread1of1ForFork2_#t~ret1#1_37| 2147483647) (= v_~result_9~0_56 |v_thread1Thread1of1ForFork2_#t~ite5#1_43|) (= (+ |v_thread1Thread1of1ForFork2_minus_~b#1_55| |v_thread1Thread1of1ForFork2_minus_#res#1_41|) |v_thread1Thread1of1ForFork2_minus_~a#1_55|) (= |v_thread1Thread1of1ForFork2_minus_#in~b#1_23| v_~filename_4~0_55) (= |v_thread1Thread1of1ForFork2_#t~ite4#1_41| |v_thread1Thread1of1ForFork2_#t~ite5#1_43|) (= (ite (or (<= 0 |v_thread1Thread1of1ForFork2_minus_~b#1_55|) (<= |v_thread1Thread1of1ForFork2_minus_~a#1_55| (+ |v_thread1Thread1of1ForFork2_minus_~b#1_55| 2147483647))) 1 0) |v_thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_41|) (= |v_thread1Thread1of1ForFork2_minus_#res#1_41| |v_thread1Thread1of1ForFork2_#t~ret1#1_37|) (= |v_#race~filename_4~0_44| 0)) InVars {~filename_1~0=v_~filename_1~0_57, ~filename_4~0=v_~filename_4~0_55, #race~filename_4~0=|v_#race~filename_4~0_44|} OutVars{thread1Thread1of1ForFork2_#t~ret1#1=|v_thread1Thread1of1ForFork2_#t~ret1#1_37|, thread1Thread1of1ForFork2_#t~ite2#1=|v_thread1Thread1of1ForFork2_#t~ite2#1_35|, thread1Thread1of1ForFork2_minus_#in~a#1=|v_thread1Thread1of1ForFork2_minus_#in~a#1_23|, ~filename_1~0=v_~filename_1~0_57, thread1Thread1of1ForFork2_#t~ite5#1=|v_thread1Thread1of1ForFork2_#t~ite5#1_43|, thread1Thread1of1ForFork2_minus_#res#1=|v_thread1Thread1of1ForFork2_minus_#res#1_41|, thread1Thread1of1ForFork2_#t~nondet6#1=|v_thread1Thread1of1ForFork2_#t~nondet6#1_45|, ~result_9~0=v_~result_9~0_56, ~filename_4~0=v_~filename_4~0_55, thread1Thread1of1ForFork2_minus_#in~b#1=|v_thread1Thread1of1ForFork2_minus_#in~b#1_23|, thread1Thread1of1ForFork2_minus_~b#1=|v_thread1Thread1of1ForFork2_minus_~b#1_55|, thread1Thread1of1ForFork2_#t~ite3#1=|v_thread1Thread1of1ForFork2_#t~ite3#1_45|, thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1=|v_thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_41|, thread1Thread1of1ForFork2_#t~ite4#1=|v_thread1Thread1of1ForFork2_#t~ite4#1_41|, thread1Thread1of1ForFork2_minus_~a#1=|v_thread1Thread1of1ForFork2_minus_~a#1_55|, thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1=|v_thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1_63|, #race~filename_4~0=|v_#race~filename_4~0_44|} AuxVars[] AssignedVars[thread1Thread1of1ForFork2_#t~ret1#1, thread1Thread1of1ForFork2_#t~ite2#1, thread1Thread1of1ForFork2_minus_#in~a#1, thread1Thread1of1ForFork2_#t~ite5#1, thread1Thread1of1ForFork2_minus_#res#1, thread1Thread1of1ForFork2_#t~nondet6#1, ~result_9~0, thread1Thread1of1ForFork2_minus_#in~b#1, thread1Thread1of1ForFork2_minus_~b#1, thread1Thread1of1ForFork2_#t~ite3#1, thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1, thread1Thread1of1ForFork2_#t~ite4#1, thread1Thread1of1ForFork2_minus_~a#1, thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1][131], [408#(= |#race~isNull_6~0| 0), 433#(= |#race~filename_4~0| 0), 418#(= |#race~filename_5~0| 0), 428#(= |#race~filename_1~0| 0), 172#L78-6true, Black: 416#true, 403#(= |#race~isNull_3~0| 0), Black: 421#true, 438#(= |#race~filename_7~0| 0), Black: 426#true, 69#thread2EXITtrue, Black: 396#true, Black: 431#true, Black: 401#true, 141#L56-36true, 398#(= |#race~isNull_0~0| 0), 221#L44-37true, Black: 406#true, 423#(= |#race~filename_8~0| 0), 413#(= |#race~filename_2~0| 0), 393#true, Black: 411#true]) [2023-08-31 21:31:28,978 INFO L383 tUnfolder$Statistics]: this new event has 44 ancestors and is cut-off event [2023-08-31 21:31:28,979 INFO L386 tUnfolder$Statistics]: existing Event has 36 ancestors and is cut-off event [2023-08-31 21:31:28,979 INFO L386 tUnfolder$Statistics]: existing Event has 36 ancestors and is cut-off event [2023-08-31 21:31:28,979 INFO L386 tUnfolder$Statistics]: existing Event has 36 ancestors and is cut-off event [2023-08-31 21:31:28,979 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1464] L44-26-->L44-37: Formula: (and (= |v_thread1Thread1of1ForFork2_#t~ite2#1_35| |v_thread1Thread1of1ForFork2_#t~ite3#1_45|) (= |v_thread1Thread1of1ForFork2_minus_~a#1_55| |v_thread1Thread1of1ForFork2_minus_#in~a#1_23|) (= |v_thread1Thread1of1ForFork2_#t~ite3#1_45| |v_thread1Thread1of1ForFork2_#t~ite4#1_41|) (= |v_thread1Thread1of1ForFork2_minus_~b#1_55| |v_thread1Thread1of1ForFork2_minus_#in~b#1_23|) (= |v_thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1_63| |v_thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_41|) (= |v_thread1Thread1of1ForFork2_#t~ite2#1_35| |v_thread1Thread1of1ForFork2_#t~ret1#1_37|) (= |v_thread1Thread1of1ForFork2_minus_#in~a#1_23| v_~filename_1~0_57) (<= 0 (+ |v_thread1Thread1of1ForFork2_#t~ret1#1_37| 2147483648)) (<= |v_thread1Thread1of1ForFork2_#t~ret1#1_37| 2147483647) (= v_~result_9~0_56 |v_thread1Thread1of1ForFork2_#t~ite5#1_43|) (= (+ |v_thread1Thread1of1ForFork2_minus_~b#1_55| |v_thread1Thread1of1ForFork2_minus_#res#1_41|) |v_thread1Thread1of1ForFork2_minus_~a#1_55|) (= |v_thread1Thread1of1ForFork2_minus_#in~b#1_23| v_~filename_4~0_55) (= |v_thread1Thread1of1ForFork2_#t~ite4#1_41| |v_thread1Thread1of1ForFork2_#t~ite5#1_43|) (= (ite (or (<= 0 |v_thread1Thread1of1ForFork2_minus_~b#1_55|) (<= |v_thread1Thread1of1ForFork2_minus_~a#1_55| (+ |v_thread1Thread1of1ForFork2_minus_~b#1_55| 2147483647))) 1 0) |v_thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_41|) (= |v_thread1Thread1of1ForFork2_minus_#res#1_41| |v_thread1Thread1of1ForFork2_#t~ret1#1_37|) (= |v_#race~filename_4~0_44| 0)) InVars {~filename_1~0=v_~filename_1~0_57, ~filename_4~0=v_~filename_4~0_55, #race~filename_4~0=|v_#race~filename_4~0_44|} OutVars{thread1Thread1of1ForFork2_#t~ret1#1=|v_thread1Thread1of1ForFork2_#t~ret1#1_37|, thread1Thread1of1ForFork2_#t~ite2#1=|v_thread1Thread1of1ForFork2_#t~ite2#1_35|, thread1Thread1of1ForFork2_minus_#in~a#1=|v_thread1Thread1of1ForFork2_minus_#in~a#1_23|, ~filename_1~0=v_~filename_1~0_57, thread1Thread1of1ForFork2_#t~ite5#1=|v_thread1Thread1of1ForFork2_#t~ite5#1_43|, thread1Thread1of1ForFork2_minus_#res#1=|v_thread1Thread1of1ForFork2_minus_#res#1_41|, thread1Thread1of1ForFork2_#t~nondet6#1=|v_thread1Thread1of1ForFork2_#t~nondet6#1_45|, ~result_9~0=v_~result_9~0_56, ~filename_4~0=v_~filename_4~0_55, thread1Thread1of1ForFork2_minus_#in~b#1=|v_thread1Thread1of1ForFork2_minus_#in~b#1_23|, thread1Thread1of1ForFork2_minus_~b#1=|v_thread1Thread1of1ForFork2_minus_~b#1_55|, thread1Thread1of1ForFork2_#t~ite3#1=|v_thread1Thread1of1ForFork2_#t~ite3#1_45|, thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1=|v_thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_41|, thread1Thread1of1ForFork2_#t~ite4#1=|v_thread1Thread1of1ForFork2_#t~ite4#1_41|, thread1Thread1of1ForFork2_minus_~a#1=|v_thread1Thread1of1ForFork2_minus_~a#1_55|, thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1=|v_thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1_63|, #race~filename_4~0=|v_#race~filename_4~0_44|} AuxVars[] AssignedVars[thread1Thread1of1ForFork2_#t~ret1#1, thread1Thread1of1ForFork2_#t~ite2#1, thread1Thread1of1ForFork2_minus_#in~a#1, thread1Thread1of1ForFork2_#t~ite5#1, thread1Thread1of1ForFork2_minus_#res#1, thread1Thread1of1ForFork2_#t~nondet6#1, ~result_9~0, thread1Thread1of1ForFork2_minus_#in~b#1, thread1Thread1of1ForFork2_minus_~b#1, thread1Thread1of1ForFork2_#t~ite3#1, thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1, thread1Thread1of1ForFork2_#t~ite4#1, thread1Thread1of1ForFork2_minus_~a#1, thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1][131], [408#(= |#race~isNull_6~0| 0), 433#(= |#race~filename_4~0| 0), 418#(= |#race~filename_5~0| 0), 428#(= |#race~filename_1~0| 0), 172#L78-6true, Black: 416#true, 59#L50-36true, 403#(= |#race~isNull_3~0| 0), Black: 421#true, 438#(= |#race~filename_7~0| 0), Black: 426#true, Black: 396#true, Black: 431#true, Black: 401#true, 398#(= |#race~isNull_0~0| 0), 221#L44-37true, 128#thread3EXITtrue, Black: 406#true, 423#(= |#race~filename_8~0| 0), 413#(= |#race~filename_2~0| 0), 393#true, Black: 411#true]) [2023-08-31 21:31:28,979 INFO L383 tUnfolder$Statistics]: this new event has 44 ancestors and is cut-off event [2023-08-31 21:31:28,979 INFO L386 tUnfolder$Statistics]: existing Event has 36 ancestors and is cut-off event [2023-08-31 21:31:28,980 INFO L386 tUnfolder$Statistics]: existing Event has 36 ancestors and is cut-off event [2023-08-31 21:31:28,980 INFO L386 tUnfolder$Statistics]: existing Event has 36 ancestors and is cut-off event [2023-08-31 21:31:28,981 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1464] L44-26-->L44-37: Formula: (and (= |v_thread1Thread1of1ForFork2_#t~ite2#1_35| |v_thread1Thread1of1ForFork2_#t~ite3#1_45|) (= |v_thread1Thread1of1ForFork2_minus_~a#1_55| |v_thread1Thread1of1ForFork2_minus_#in~a#1_23|) (= |v_thread1Thread1of1ForFork2_#t~ite3#1_45| |v_thread1Thread1of1ForFork2_#t~ite4#1_41|) (= |v_thread1Thread1of1ForFork2_minus_~b#1_55| |v_thread1Thread1of1ForFork2_minus_#in~b#1_23|) (= |v_thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1_63| |v_thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_41|) (= |v_thread1Thread1of1ForFork2_#t~ite2#1_35| |v_thread1Thread1of1ForFork2_#t~ret1#1_37|) (= |v_thread1Thread1of1ForFork2_minus_#in~a#1_23| v_~filename_1~0_57) (<= 0 (+ |v_thread1Thread1of1ForFork2_#t~ret1#1_37| 2147483648)) (<= |v_thread1Thread1of1ForFork2_#t~ret1#1_37| 2147483647) (= v_~result_9~0_56 |v_thread1Thread1of1ForFork2_#t~ite5#1_43|) (= (+ |v_thread1Thread1of1ForFork2_minus_~b#1_55| |v_thread1Thread1of1ForFork2_minus_#res#1_41|) |v_thread1Thread1of1ForFork2_minus_~a#1_55|) (= |v_thread1Thread1of1ForFork2_minus_#in~b#1_23| v_~filename_4~0_55) (= |v_thread1Thread1of1ForFork2_#t~ite4#1_41| |v_thread1Thread1of1ForFork2_#t~ite5#1_43|) (= (ite (or (<= 0 |v_thread1Thread1of1ForFork2_minus_~b#1_55|) (<= |v_thread1Thread1of1ForFork2_minus_~a#1_55| (+ |v_thread1Thread1of1ForFork2_minus_~b#1_55| 2147483647))) 1 0) |v_thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_41|) (= |v_thread1Thread1of1ForFork2_minus_#res#1_41| |v_thread1Thread1of1ForFork2_#t~ret1#1_37|) (= |v_#race~filename_4~0_44| 0)) InVars {~filename_1~0=v_~filename_1~0_57, ~filename_4~0=v_~filename_4~0_55, #race~filename_4~0=|v_#race~filename_4~0_44|} OutVars{thread1Thread1of1ForFork2_#t~ret1#1=|v_thread1Thread1of1ForFork2_#t~ret1#1_37|, thread1Thread1of1ForFork2_#t~ite2#1=|v_thread1Thread1of1ForFork2_#t~ite2#1_35|, thread1Thread1of1ForFork2_minus_#in~a#1=|v_thread1Thread1of1ForFork2_minus_#in~a#1_23|, ~filename_1~0=v_~filename_1~0_57, thread1Thread1of1ForFork2_#t~ite5#1=|v_thread1Thread1of1ForFork2_#t~ite5#1_43|, thread1Thread1of1ForFork2_minus_#res#1=|v_thread1Thread1of1ForFork2_minus_#res#1_41|, thread1Thread1of1ForFork2_#t~nondet6#1=|v_thread1Thread1of1ForFork2_#t~nondet6#1_45|, ~result_9~0=v_~result_9~0_56, ~filename_4~0=v_~filename_4~0_55, thread1Thread1of1ForFork2_minus_#in~b#1=|v_thread1Thread1of1ForFork2_minus_#in~b#1_23|, thread1Thread1of1ForFork2_minus_~b#1=|v_thread1Thread1of1ForFork2_minus_~b#1_55|, thread1Thread1of1ForFork2_#t~ite3#1=|v_thread1Thread1of1ForFork2_#t~ite3#1_45|, thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1=|v_thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_41|, thread1Thread1of1ForFork2_#t~ite4#1=|v_thread1Thread1of1ForFork2_#t~ite4#1_41|, thread1Thread1of1ForFork2_minus_~a#1=|v_thread1Thread1of1ForFork2_minus_~a#1_55|, thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1=|v_thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1_63|, #race~filename_4~0=|v_#race~filename_4~0_44|} AuxVars[] AssignedVars[thread1Thread1of1ForFork2_#t~ret1#1, thread1Thread1of1ForFork2_#t~ite2#1, thread1Thread1of1ForFork2_minus_#in~a#1, thread1Thread1of1ForFork2_#t~ite5#1, thread1Thread1of1ForFork2_minus_#res#1, thread1Thread1of1ForFork2_#t~nondet6#1, ~result_9~0, thread1Thread1of1ForFork2_minus_#in~b#1, thread1Thread1of1ForFork2_minus_~b#1, thread1Thread1of1ForFork2_#t~ite3#1, thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1, thread1Thread1of1ForFork2_#t~ite4#1, thread1Thread1of1ForFork2_minus_~a#1, thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1][131], [408#(= |#race~isNull_6~0| 0), 433#(= |#race~filename_4~0| 0), 418#(= |#race~filename_5~0| 0), Black: 416#true, 428#(= |#race~filename_1~0| 0), 403#(= |#race~isNull_3~0| 0), Black: 421#true, 438#(= |#race~filename_7~0| 0), Black: 426#true, 150#L77-4true, Black: 396#true, 69#thread2EXITtrue, Black: 431#true, Black: 401#true, 398#(= |#race~isNull_0~0| 0), 221#L44-37true, 128#thread3EXITtrue, Black: 406#true, 423#(= |#race~filename_8~0| 0), 413#(= |#race~filename_2~0| 0), 393#true, Black: 411#true]) [2023-08-31 21:31:28,981 INFO L383 tUnfolder$Statistics]: this new event has 44 ancestors and is cut-off event [2023-08-31 21:31:28,981 INFO L386 tUnfolder$Statistics]: existing Event has 36 ancestors and is cut-off event [2023-08-31 21:31:28,981 INFO L386 tUnfolder$Statistics]: existing Event has 36 ancestors and is cut-off event [2023-08-31 21:31:28,981 INFO L386 tUnfolder$Statistics]: existing Event has 36 ancestors and is cut-off event [2023-08-31 21:31:28,983 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1464] L44-26-->L44-37: Formula: (and (= |v_thread1Thread1of1ForFork2_#t~ite2#1_35| |v_thread1Thread1of1ForFork2_#t~ite3#1_45|) (= |v_thread1Thread1of1ForFork2_minus_~a#1_55| |v_thread1Thread1of1ForFork2_minus_#in~a#1_23|) (= |v_thread1Thread1of1ForFork2_#t~ite3#1_45| |v_thread1Thread1of1ForFork2_#t~ite4#1_41|) (= |v_thread1Thread1of1ForFork2_minus_~b#1_55| |v_thread1Thread1of1ForFork2_minus_#in~b#1_23|) (= |v_thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1_63| |v_thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_41|) (= |v_thread1Thread1of1ForFork2_#t~ite2#1_35| |v_thread1Thread1of1ForFork2_#t~ret1#1_37|) (= |v_thread1Thread1of1ForFork2_minus_#in~a#1_23| v_~filename_1~0_57) (<= 0 (+ |v_thread1Thread1of1ForFork2_#t~ret1#1_37| 2147483648)) (<= |v_thread1Thread1of1ForFork2_#t~ret1#1_37| 2147483647) (= v_~result_9~0_56 |v_thread1Thread1of1ForFork2_#t~ite5#1_43|) (= (+ |v_thread1Thread1of1ForFork2_minus_~b#1_55| |v_thread1Thread1of1ForFork2_minus_#res#1_41|) |v_thread1Thread1of1ForFork2_minus_~a#1_55|) (= |v_thread1Thread1of1ForFork2_minus_#in~b#1_23| v_~filename_4~0_55) (= |v_thread1Thread1of1ForFork2_#t~ite4#1_41| |v_thread1Thread1of1ForFork2_#t~ite5#1_43|) (= (ite (or (<= 0 |v_thread1Thread1of1ForFork2_minus_~b#1_55|) (<= |v_thread1Thread1of1ForFork2_minus_~a#1_55| (+ |v_thread1Thread1of1ForFork2_minus_~b#1_55| 2147483647))) 1 0) |v_thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_41|) (= |v_thread1Thread1of1ForFork2_minus_#res#1_41| |v_thread1Thread1of1ForFork2_#t~ret1#1_37|) (= |v_#race~filename_4~0_44| 0)) InVars {~filename_1~0=v_~filename_1~0_57, ~filename_4~0=v_~filename_4~0_55, #race~filename_4~0=|v_#race~filename_4~0_44|} OutVars{thread1Thread1of1ForFork2_#t~ret1#1=|v_thread1Thread1of1ForFork2_#t~ret1#1_37|, thread1Thread1of1ForFork2_#t~ite2#1=|v_thread1Thread1of1ForFork2_#t~ite2#1_35|, thread1Thread1of1ForFork2_minus_#in~a#1=|v_thread1Thread1of1ForFork2_minus_#in~a#1_23|, ~filename_1~0=v_~filename_1~0_57, thread1Thread1of1ForFork2_#t~ite5#1=|v_thread1Thread1of1ForFork2_#t~ite5#1_43|, thread1Thread1of1ForFork2_minus_#res#1=|v_thread1Thread1of1ForFork2_minus_#res#1_41|, thread1Thread1of1ForFork2_#t~nondet6#1=|v_thread1Thread1of1ForFork2_#t~nondet6#1_45|, ~result_9~0=v_~result_9~0_56, ~filename_4~0=v_~filename_4~0_55, thread1Thread1of1ForFork2_minus_#in~b#1=|v_thread1Thread1of1ForFork2_minus_#in~b#1_23|, thread1Thread1of1ForFork2_minus_~b#1=|v_thread1Thread1of1ForFork2_minus_~b#1_55|, thread1Thread1of1ForFork2_#t~ite3#1=|v_thread1Thread1of1ForFork2_#t~ite3#1_45|, thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1=|v_thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_41|, thread1Thread1of1ForFork2_#t~ite4#1=|v_thread1Thread1of1ForFork2_#t~ite4#1_41|, thread1Thread1of1ForFork2_minus_~a#1=|v_thread1Thread1of1ForFork2_minus_~a#1_55|, thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1=|v_thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1_63|, #race~filename_4~0=|v_#race~filename_4~0_44|} AuxVars[] AssignedVars[thread1Thread1of1ForFork2_#t~ret1#1, thread1Thread1of1ForFork2_#t~ite2#1, thread1Thread1of1ForFork2_minus_#in~a#1, thread1Thread1of1ForFork2_#t~ite5#1, thread1Thread1of1ForFork2_minus_#res#1, thread1Thread1of1ForFork2_#t~nondet6#1, ~result_9~0, thread1Thread1of1ForFork2_minus_#in~b#1, thread1Thread1of1ForFork2_minus_~b#1, thread1Thread1of1ForFork2_#t~ite3#1, thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1, thread1Thread1of1ForFork2_#t~ite4#1, thread1Thread1of1ForFork2_minus_~a#1, thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1][131], [408#(= |#race~isNull_6~0| 0), 433#(= |#race~filename_4~0| 0), 418#(= |#race~filename_5~0| 0), 428#(= |#race~filename_1~0| 0), 172#L78-6true, Black: 416#true, 403#(= |#race~isNull_3~0| 0), Black: 421#true, 438#(= |#race~filename_7~0| 0), Black: 426#true, 69#thread2EXITtrue, Black: 396#true, Black: 431#true, Black: 401#true, 398#(= |#race~isNull_0~0| 0), 221#L44-37true, 128#thread3EXITtrue, Black: 406#true, 423#(= |#race~filename_8~0| 0), 413#(= |#race~filename_2~0| 0), 393#true, Black: 411#true]) [2023-08-31 21:31:28,983 INFO L383 tUnfolder$Statistics]: this new event has 45 ancestors and is cut-off event [2023-08-31 21:31:28,983 INFO L386 tUnfolder$Statistics]: existing Event has 37 ancestors and is cut-off event [2023-08-31 21:31:28,983 INFO L386 tUnfolder$Statistics]: existing Event has 37 ancestors and is cut-off event [2023-08-31 21:31:28,983 INFO L386 tUnfolder$Statistics]: existing Event has 37 ancestors and is cut-off event [2023-08-31 21:31:28,984 INFO L130 PetriNetUnfolder]: 20036/31054 cut-off events. [2023-08-31 21:31:28,984 INFO L131 PetriNetUnfolder]: For 2793/2793 co-relation queries the response was YES. [2023-08-31 21:31:29,125 INFO L83 FinitePrefix]: Finished finitePrefix Result has 66636 conditions, 31054 events. 20036/31054 cut-off events. For 2793/2793 co-relation queries the response was YES. Maximal size of possible extension queue 1216. Compared 232137 event pairs, 10208 based on Foata normal form. 0/25357 useless extension candidates. Maximal degree in co-relation 66625. Up to 18576 conditions per place. [2023-08-31 21:31:29,147 INFO L137 encePairwiseOnDemand]: 766/770 looper letters, 0 selfloop transitions, 0 changer transitions 141/141 dead transitions. [2023-08-31 21:31:29,147 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 92 places, 141 transitions, 619 flow [2023-08-31 21:31:29,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 21:31:29,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 21:31:29,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1234 transitions. [2023-08-31 21:31:29,150 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5341991341991342 [2023-08-31 21:31:29,150 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1234 transitions. [2023-08-31 21:31:29,151 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1234 transitions. [2023-08-31 21:31:29,151 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:31:29,151 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1234 transitions. [2023-08-31 21:31:29,153 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 411.3333333333333) internal successors, (1234), 3 states have internal predecessors, (1234), 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 21:31:29,156 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 770.0) internal successors, (3080), 4 states have internal predecessors, (3080), 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 21:31:29,157 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 770.0) internal successors, (3080), 4 states have internal predecessors, (3080), 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 21:31:29,157 INFO L175 Difference]: Start difference. First operand has 92 places, 97 transitions, 309 flow. Second operand 3 states and 1234 transitions. [2023-08-31 21:31:29,157 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 92 places, 141 transitions, 619 flow [2023-08-31 21:31:29,165 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 141 transitions, 619 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-31 21:31:29,166 INFO L231 Difference]: Finished difference. Result has 92 places, 0 transitions, 0 flow [2023-08-31 21:31:29,166 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=770, PETRI_DIFFERENCE_MINUEND_FLOW=305, PETRI_DIFFERENCE_MINUEND_PLACES=90, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=95, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=95, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=92, PETRI_TRANSITIONS=0} [2023-08-31 21:31:29,166 INFO L281 CegarLoopForPetriNet]: 114 programPoint places, -22 predicate places. [2023-08-31 21:31:29,167 INFO L495 AbstractCegarLoop]: Abstraction has has 92 places, 0 transitions, 0 flow [2023-08-31 21:31:29,167 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 383.3333333333333) internal successors, (1150), 3 states have internal predecessors, (1150), 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 21:31:29,169 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (71 of 72 remaining) [2023-08-31 21:31:29,173 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (70 of 72 remaining) [2023-08-31 21:31:29,173 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (69 of 72 remaining) [2023-08-31 21:31:29,173 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (68 of 72 remaining) [2023-08-31 21:31:29,174 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (67 of 72 remaining) [2023-08-31 21:31:29,174 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (66 of 72 remaining) [2023-08-31 21:31:29,174 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (65 of 72 remaining) [2023-08-31 21:31:29,174 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (64 of 72 remaining) [2023-08-31 21:31:29,174 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (63 of 72 remaining) [2023-08-31 21:31:29,174 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (62 of 72 remaining) [2023-08-31 21:31:29,174 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (61 of 72 remaining) [2023-08-31 21:31:29,175 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (60 of 72 remaining) [2023-08-31 21:31:29,175 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (59 of 72 remaining) [2023-08-31 21:31:29,175 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (58 of 72 remaining) [2023-08-31 21:31:29,175 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (57 of 72 remaining) [2023-08-31 21:31:29,175 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (56 of 72 remaining) [2023-08-31 21:31:29,175 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (55 of 72 remaining) [2023-08-31 21:31:29,176 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (54 of 72 remaining) [2023-08-31 21:31:29,178 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (53 of 72 remaining) [2023-08-31 21:31:29,178 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (52 of 72 remaining) [2023-08-31 21:31:29,178 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (51 of 72 remaining) [2023-08-31 21:31:29,178 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (50 of 72 remaining) [2023-08-31 21:31:29,178 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (49 of 72 remaining) [2023-08-31 21:31:29,178 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (48 of 72 remaining) [2023-08-31 21:31:29,179 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (47 of 72 remaining) [2023-08-31 21:31:29,179 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (46 of 72 remaining) [2023-08-31 21:31:29,179 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (45 of 72 remaining) [2023-08-31 21:31:29,179 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (44 of 72 remaining) [2023-08-31 21:31:29,179 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (43 of 72 remaining) [2023-08-31 21:31:29,179 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (42 of 72 remaining) [2023-08-31 21:31:29,180 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (41 of 72 remaining) [2023-08-31 21:31:29,180 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (40 of 72 remaining) [2023-08-31 21:31:29,180 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (39 of 72 remaining) [2023-08-31 21:31:29,180 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (38 of 72 remaining) [2023-08-31 21:31:29,180 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (37 of 72 remaining) [2023-08-31 21:31:29,180 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (36 of 72 remaining) [2023-08-31 21:31:29,180 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (35 of 72 remaining) [2023-08-31 21:31:29,181 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (34 of 72 remaining) [2023-08-31 21:31:29,181 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (33 of 72 remaining) [2023-08-31 21:31:29,181 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (32 of 72 remaining) [2023-08-31 21:31:29,181 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (31 of 72 remaining) [2023-08-31 21:31:29,181 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (30 of 72 remaining) [2023-08-31 21:31:29,181 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (29 of 72 remaining) [2023-08-31 21:31:29,182 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (28 of 72 remaining) [2023-08-31 21:31:29,182 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (27 of 72 remaining) [2023-08-31 21:31:29,182 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (26 of 72 remaining) [2023-08-31 21:31:29,182 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (25 of 72 remaining) [2023-08-31 21:31:29,182 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (24 of 72 remaining) [2023-08-31 21:31:29,182 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (23 of 72 remaining) [2023-08-31 21:31:29,183 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (22 of 72 remaining) [2023-08-31 21:31:29,183 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (21 of 72 remaining) [2023-08-31 21:31:29,183 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (20 of 72 remaining) [2023-08-31 21:31:29,183 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (19 of 72 remaining) [2023-08-31 21:31:29,183 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (18 of 72 remaining) [2023-08-31 21:31:29,184 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (17 of 72 remaining) [2023-08-31 21:31:29,184 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (16 of 72 remaining) [2023-08-31 21:31:29,185 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (15 of 72 remaining) [2023-08-31 21:31:29,185 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (14 of 72 remaining) [2023-08-31 21:31:29,185 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (13 of 72 remaining) [2023-08-31 21:31:29,185 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (12 of 72 remaining) [2023-08-31 21:31:29,185 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (11 of 72 remaining) [2023-08-31 21:31:29,185 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (10 of 72 remaining) [2023-08-31 21:31:29,185 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (9 of 72 remaining) [2023-08-31 21:31:29,186 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (8 of 72 remaining) [2023-08-31 21:31:29,186 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (7 of 72 remaining) [2023-08-31 21:31:29,186 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (6 of 72 remaining) [2023-08-31 21:31:29,186 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (5 of 72 remaining) [2023-08-31 21:31:29,186 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (4 of 72 remaining) [2023-08-31 21:31:29,186 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (3 of 72 remaining) [2023-08-31 21:31:29,187 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (2 of 72 remaining) [2023-08-31 21:31:29,187 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (1 of 72 remaining) [2023-08-31 21:31:29,187 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (0 of 72 remaining) [2023-08-31 21:31:29,187 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-08-31 21:31:29,187 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:31:29,193 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-31 21:31:29,193 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-31 21:31:29,198 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.08 09:31:29 BasicIcfg [2023-08-31 21:31:29,198 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-31 21:31:29,198 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-31 21:31:29,198 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-31 21:31:29,199 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-31 21:31:29,199 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 09:31:06" (3/4) ... [2023-08-31 21:31:29,201 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-31 21:31:29,206 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-08-31 21:31:29,206 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-08-31 21:31:29,206 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2023-08-31 21:31:29,212 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2023-08-31 21:31:29,213 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-08-31 21:31:29,213 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-08-31 21:31:29,213 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-08-31 21:31:29,261 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-31 21:31:29,262 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-31 21:31:29,262 INFO L158 Benchmark]: Toolchain (without parser) took 24449.73ms. Allocated memory was 67.1MB in the beginning and 3.5GB in the end (delta: 3.5GB). Free memory was 43.4MB in the beginning and 2.1GB in the end (delta: -2.0GB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. [2023-08-31 21:31:29,264 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 67.1MB. Free memory was 44.1MB in the beginning and 44.0MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-31 21:31:29,264 INFO L158 Benchmark]: CACSL2BoogieTranslator took 308.47ms. Allocated memory is still 67.1MB. Free memory was 43.2MB in the beginning and 31.0MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-08-31 21:31:29,264 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.38ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 31.0MB in the beginning and 60.3MB in the end (delta: -29.3MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. [2023-08-31 21:31:29,265 INFO L158 Benchmark]: Boogie Preprocessor took 54.59ms. Allocated memory is still 81.8MB. Free memory was 60.3MB in the beginning and 58.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-31 21:31:29,265 INFO L158 Benchmark]: RCFGBuilder took 802.39ms. Allocated memory is still 81.8MB. Free memory was 58.2MB in the beginning and 53.5MB in the end (delta: 4.7MB). Peak memory consumption was 25.4MB. Max. memory is 16.1GB. [2023-08-31 21:31:29,265 INFO L158 Benchmark]: TraceAbstraction took 23141.52ms. Allocated memory was 81.8MB in the beginning and 3.5GB in the end (delta: 3.5GB). Free memory was 53.0MB in the beginning and 2.1GB in the end (delta: -2.0GB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB. [2023-08-31 21:31:29,266 INFO L158 Benchmark]: Witness Printer took 63.31ms. Allocated memory is still 3.5GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-31 21:31:29,268 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 67.1MB. Free memory was 44.1MB in the beginning and 44.0MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 308.47ms. Allocated memory is still 67.1MB. Free memory was 43.2MB in the beginning and 31.0MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.38ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 31.0MB in the beginning and 60.3MB in the end (delta: -29.3MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.59ms. Allocated memory is still 81.8MB. Free memory was 60.3MB in the beginning and 58.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 802.39ms. Allocated memory is still 81.8MB. Free memory was 58.2MB in the beginning and 53.5MB in the end (delta: 4.7MB). Peak memory consumption was 25.4MB. Max. memory is 16.1GB. * TraceAbstraction took 23141.52ms. Allocated memory was 81.8MB in the beginning and 3.5GB in the end (delta: 3.5GB). Free memory was 53.0MB in the beginning and 2.1GB in the end (delta: -2.0GB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB. * Witness Printer took 63.31ms. Allocated memory is still 3.5GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 7.7s, 368 PlacesBefore, 114 PlacesAfterwards, 377 TransitionsBefore, 119 TransitionsAfterwards, 42486 CoEnabledTransitionPairs, 9 FixpointIterations, 136 TrivialSequentialCompositions, 166 ConcurrentSequentialCompositions, 6 TrivialYvCompositions, 57 ConcurrentYvCompositions, 4 ChoiceCompositions, 369 TotalNumberOfCompositions, 172014 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 92619, independent: 91027, independent conditional: 0, independent unconditional: 91027, dependent: 1592, dependent conditional: 0, dependent unconditional: 1592, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 25431, independent: 25288, independent conditional: 0, independent unconditional: 25288, dependent: 143, dependent conditional: 0, dependent unconditional: 143, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 92619, independent: 65739, independent conditional: 0, independent unconditional: 65739, dependent: 1449, dependent conditional: 0, dependent unconditional: 1449, unknown: 25431, unknown conditional: 0, unknown unconditional: 25431] , Statistics on independence cache: Total cache size (in pairs): 2780, Positive cache size: 2701, Positive conditional cache size: 0, Positive unconditional cache size: 2701, Negative cache size: 79, Negative conditional cache size: 0, Negative unconditional cache size: 79, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 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: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 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: 71]: 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: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 588 locations, 72 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: 22.9s, OverallIterations: 10, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 14.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 7.9s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 565 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 441 mSDsluCounter, 54 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 70 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1138 IncrementalHoareTripleChecker+Invalid, 1208 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 70 mSolverCounterUnsat, 54 mSDtfsCounter, 1138 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=309occurred in iteration=9, InterpolantAutomatonStates: 29, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 91 NumberOfCodeBlocks, 91 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 81 ConstructedInterpolants, 0 QuantifiedInterpolants, 99 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 42 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-31 21:31:29,301 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