./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/weaver/chl-chromosome-subst.wvr.c --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations TOGETHER --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version b8dbc81d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/weaver/chl-chromosome-subst.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 b68e155d55184c39a54e11a2c420443b840324481c8995060134516395f2d120 --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations TOGETHER --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-29 18:49:52,121 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 18:49:52,123 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 18:49:52,153 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 18:49:52,153 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 18:49:52,165 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 18:49:52,169 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 18:49:52,172 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 18:49:52,174 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 18:49:52,178 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 18:49:52,179 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 18:49:52,180 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 18:49:52,181 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 18:49:52,183 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 18:49:52,184 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 18:49:52,186 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 18:49:52,187 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 18:49:52,188 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 18:49:52,190 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 18:49:52,193 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 18:49:52,197 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 18:49:52,199 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 18:49:52,199 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 18:49:52,200 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 18:49:52,205 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 18:49:52,209 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 18:49:52,209 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 18:49:52,210 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 18:49:52,211 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 18:49:52,212 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 18:49:52,213 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 18:49:52,214 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 18:49:52,215 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 18:49:52,216 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 18:49:52,217 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 18:49:52,217 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 18:49:52,217 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 18:49:52,218 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 18:49:52,218 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 18:49:52,218 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 18:49:52,219 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 18:49:52,221 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-29 18:49:52,258 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 18:49:52,258 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 18:49:52,259 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 18:49:52,259 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 18:49:52,260 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 18:49:52,260 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 18:49:52,261 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 18:49:52,261 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 18:49:52,261 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 18:49:52,262 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 18:49:52,262 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 18:49:52,263 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 18:49:52,263 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-29 18:49:52,263 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 18:49:52,263 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 18:49:52,263 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 18:49:52,264 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 18:49:52,264 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 18:49:52,264 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 18:49:52,264 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 18:49:52,264 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 18:49:52,265 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 18:49:52,265 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 18:49:52,265 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 18:49:52,265 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 18:49:52,266 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 18:49:52,266 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 18:49:52,266 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 18:49:52,266 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 18:49:52,266 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 18:49:52,266 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-29 18:49:52,267 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-29 18:49:52,267 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 18:49:52,267 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 18:49:52,267 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 18:49:52,268 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 18:49:52,268 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 18:49:52,268 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b68e155d55184c39a54e11a2c420443b840324481c8995060134516395f2d120 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> TOGETHER [2023-08-29 18:49:52,588 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 18:49:52,616 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 18:49:52,619 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 18:49:52,620 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 18:49:52,620 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 18:49:52,622 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-chromosome-subst.wvr.c [2023-08-29 18:49:53,669 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 18:49:53,856 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 18:49:53,857 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-chromosome-subst.wvr.c [2023-08-29 18:49:53,863 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e79fc02d0/c4dea61c1f324b909f32fb4c897311ac/FLAG4c74026d5 [2023-08-29 18:49:53,879 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e79fc02d0/c4dea61c1f324b909f32fb4c897311ac [2023-08-29 18:49:53,881 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 18:49:53,883 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 18:49:53,885 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 18:49:53,886 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 18:49:53,888 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 18:49:53,889 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 06:49:53" (1/1) ... [2023-08-29 18:49:53,891 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4177fd60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:49:53, skipping insertion in model container [2023-08-29 18:49:53,891 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 06:49:53" (1/1) ... [2023-08-29 18:49:53,896 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 18:49:53,924 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 18:49:54,125 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-chromosome-subst.wvr.c[3097,3110] [2023-08-29 18:49:54,131 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 18:49:54,140 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 18:49:54,175 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-chromosome-subst.wvr.c[3097,3110] [2023-08-29 18:49:54,180 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 18:49:54,193 INFO L208 MainTranslator]: Completed translation [2023-08-29 18:49:54,193 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:49:54 WrapperNode [2023-08-29 18:49:54,194 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 18:49:54,195 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 18:49:54,195 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 18:49:54,195 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 18:49:54,201 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:49:54" (1/1) ... [2023-08-29 18:49:54,211 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:49:54" (1/1) ... [2023-08-29 18:49:54,251 INFO L138 Inliner]: procedures = 26, calls = 47, calls flagged for inlining = 17, calls inlined = 25, statements flattened = 469 [2023-08-29 18:49:54,251 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 18:49:54,252 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 18:49:54,252 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 18:49:54,252 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 18:49:54,270 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:49:54" (1/1) ... [2023-08-29 18:49:54,271 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:49:54" (1/1) ... [2023-08-29 18:49:54,277 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:49:54" (1/1) ... [2023-08-29 18:49:54,287 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:49:54" (1/1) ... [2023-08-29 18:49:54,305 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:49:54" (1/1) ... [2023-08-29 18:49:54,325 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:49:54" (1/1) ... [2023-08-29 18:49:54,333 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:49:54" (1/1) ... [2023-08-29 18:49:54,336 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:49:54" (1/1) ... [2023-08-29 18:49:54,346 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 18:49:54,349 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 18:49:54,349 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 18:49:54,349 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 18:49:54,350 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:49:54" (1/1) ... [2023-08-29 18:49:54,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 18:49:54,368 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 18:49:54,382 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-08-29 18:49:54,401 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-29 18:49:54,431 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 18:49:54,431 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 18:49:54,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-29 18:49:54,431 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-29 18:49:54,431 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-29 18:49:54,432 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-29 18:49:54,432 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-29 18:49:54,432 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-29 18:49:54,432 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-08-29 18:49:54,433 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-08-29 18:49:54,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-29 18:49:54,433 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-29 18:49:54,433 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 18:49:54,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 18:49:54,433 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 18:49:54,434 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-29 18:49:54,531 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 18:49:54,533 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 18:49:55,352 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 18:49:55,368 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 18:49:55,369 INFO L302 CfgBuilder]: Removed 6 assume(true) statements. [2023-08-29 18:49:55,372 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 06:49:55 BoogieIcfgContainer [2023-08-29 18:49:55,372 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 18:49:55,374 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 18:49:55,374 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 18:49:55,376 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 18:49:55,377 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 06:49:53" (1/3) ... [2023-08-29 18:49:55,377 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e8ddabe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 06:49:55, skipping insertion in model container [2023-08-29 18:49:55,377 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:49:54" (2/3) ... [2023-08-29 18:49:55,378 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e8ddabe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 06:49:55, skipping insertion in model container [2023-08-29 18:49:55,378 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 06:49:55" (3/3) ... [2023-08-29 18:49:55,379 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-chromosome-subst.wvr.c [2023-08-29 18:49:55,386 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 18:49:55,393 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 18:49:55,393 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 50 error locations. [2023-08-29 18:49:55,394 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 18:49:55,546 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-08-29 18:49:55,589 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 541 places, 564 transitions, 1152 flow [2023-08-29 18:49:55,762 INFO L130 PetriNetUnfolder]: 33/561 cut-off events. [2023-08-29 18:49:55,763 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2023-08-29 18:49:55,776 INFO L83 FinitePrefix]: Finished finitePrefix Result has 574 conditions, 561 events. 33/561 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1249 event pairs, 0 based on Foata normal form. 0/478 useless extension candidates. Maximal degree in co-relation 398. Up to 2 conditions per place. [2023-08-29 18:49:55,776 INFO L82 GeneralOperation]: Start removeDead. Operand has 541 places, 564 transitions, 1152 flow [2023-08-29 18:49:55,789 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 520 places, 541 transitions, 1100 flow [2023-08-29 18:49:55,792 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-29 18:49:55,806 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 520 places, 541 transitions, 1100 flow [2023-08-29 18:49:55,809 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 520 places, 541 transitions, 1100 flow [2023-08-29 18:49:55,810 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 520 places, 541 transitions, 1100 flow [2023-08-29 18:49:55,906 INFO L130 PetriNetUnfolder]: 31/541 cut-off events. [2023-08-29 18:49:55,906 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2023-08-29 18:49:55,911 INFO L83 FinitePrefix]: Finished finitePrefix Result has 554 conditions, 541 events. 31/541 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1226 event pairs, 0 based on Foata normal form. 0/461 useless extension candidates. Maximal degree in co-relation 398. Up to 2 conditions per place. [2023-08-29 18:49:55,940 INFO L119 LiptonReduction]: Number of co-enabled transitions 67830 [2023-08-29 18:50:06,800 INFO L134 LiptonReduction]: Checked pairs total: 213599 [2023-08-29 18:50:06,800 INFO L136 LiptonReduction]: Total number of compositions: 546 [2023-08-29 18:50:06,813 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-29 18:50:06,820 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;@42b21625, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-29 18:50:06,820 INFO L358 AbstractCegarLoop]: Starting to check reachability of 86 error locations. [2023-08-29 18:50:06,823 INFO L130 PetriNetUnfolder]: 1/2 cut-off events. [2023-08-29 18:50:06,823 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 18:50:06,823 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:50:06,824 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2023-08-29 18:50:06,824 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 82 more)] === [2023-08-29 18:50:06,828 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:50:06,828 INFO L85 PathProgramCache]: Analyzing trace with hash 68158, now seen corresponding path program 1 times [2023-08-29 18:50:06,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:50:06,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595831751] [2023-08-29 18:50:06,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:50:06,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:50:06,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:50:06,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 18:50:06,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:50:06,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1595831751] [2023-08-29 18:50:06,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1595831751] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:50:06,974 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:50:06,974 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-29 18:50:06,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1516831549] [2023-08-29 18:50:06,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:50:06,982 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-29 18:50:06,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:50:07,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-29 18:50:07,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-29 18:50:07,006 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 534 out of 1110 [2023-08-29 18:50:07,010 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 146 places, 143 transitions, 304 flow. Second operand has 2 states, 2 states have (on average 535.0) internal successors, (1070), 2 states have internal predecessors, (1070), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:50:07,010 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:50:07,010 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 534 of 1110 [2023-08-29 18:50:07,011 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:50:07,777 INFO L130 PetriNetUnfolder]: 2104/5933 cut-off events. [2023-08-29 18:50:07,778 INFO L131 PetriNetUnfolder]: For 235/235 co-relation queries the response was YES. [2023-08-29 18:50:07,790 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9106 conditions, 5933 events. 2104/5933 cut-off events. For 235/235 co-relation queries the response was YES. Maximal size of possible extension queue 217. Compared 54074 event pairs, 1749 based on Foata normal form. 180/5091 useless extension candidates. Maximal degree in co-relation 7802. Up to 3006 conditions per place. [2023-08-29 18:50:07,819 INFO L137 encePairwiseOnDemand]: 1080/1110 looper letters, 38 selfloop transitions, 0 changer transitions 1/113 dead transitions. [2023-08-29 18:50:07,820 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 118 places, 113 transitions, 322 flow [2023-08-29 18:50:07,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-29 18:50:07,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-29 18:50:07,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 1137 transitions. [2023-08-29 18:50:07,853 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5121621621621621 [2023-08-29 18:50:07,854 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 1137 transitions. [2023-08-29 18:50:07,855 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 1137 transitions. [2023-08-29 18:50:07,858 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:50:07,860 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 1137 transitions. [2023-08-29 18:50:07,866 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 568.5) internal successors, (1137), 2 states have internal predecessors, (1137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:50:07,876 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 1110.0) internal successors, (3330), 3 states have internal predecessors, (3330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:50:07,878 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 1110.0) internal successors, (3330), 3 states have internal predecessors, (3330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:50:07,880 INFO L175 Difference]: Start difference. First operand has 146 places, 143 transitions, 304 flow. Second operand 2 states and 1137 transitions. [2023-08-29 18:50:07,880 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 118 places, 113 transitions, 322 flow [2023-08-29 18:50:07,887 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 112 places, 113 transitions, 310 flow, removed 0 selfloop flow, removed 6 redundant places. [2023-08-29 18:50:07,890 INFO L231 Difference]: Finished difference. Result has 112 places, 112 transitions, 229 flow [2023-08-29 18:50:07,892 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1110, PETRI_DIFFERENCE_MINUEND_FLOW=232, PETRI_DIFFERENCE_MINUEND_PLACES=111, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=113, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=113, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=229, PETRI_PLACES=112, PETRI_TRANSITIONS=112} [2023-08-29 18:50:07,895 INFO L281 CegarLoopForPetriNet]: 146 programPoint places, -34 predicate places. [2023-08-29 18:50:07,895 INFO L495 AbstractCegarLoop]: Abstraction has has 112 places, 112 transitions, 229 flow [2023-08-29 18:50:07,896 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 535.0) internal successors, (1070), 2 states have internal predecessors, (1070), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:50:07,897 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:50:07,897 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-08-29 18:50:07,899 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-29 18:50:07,900 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 82 more)] === [2023-08-29 18:50:07,907 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:50:07,908 INFO L85 PathProgramCache]: Analyzing trace with hash 870535373, now seen corresponding path program 1 times [2023-08-29 18:50:07,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:50:07,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169104361] [2023-08-29 18:50:07,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:50:07,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:50:07,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:50:08,036 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 18:50:08,036 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:50:08,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [169104361] [2023-08-29 18:50:08,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [169104361] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:50:08,037 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:50:08,037 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 18:50:08,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508680048] [2023-08-29 18:50:08,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:50:08,039 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 18:50:08,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:50:08,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 18:50:08,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 18:50:08,056 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 527 out of 1110 [2023-08-29 18:50:08,058 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 112 places, 112 transitions, 229 flow. Second operand has 3 states, 3 states have (on average 529.3333333333334) internal successors, (1588), 3 states have internal predecessors, (1588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:50:08,059 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:50:08,059 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 527 of 1110 [2023-08-29 18:50:08,059 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:50:08,781 INFO L130 PetriNetUnfolder]: 2754/7748 cut-off events. [2023-08-29 18:50:08,781 INFO L131 PetriNetUnfolder]: For 48/48 co-relation queries the response was YES. [2023-08-29 18:50:08,796 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11739 conditions, 7748 events. 2754/7748 cut-off events. For 48/48 co-relation queries the response was YES. Maximal size of possible extension queue 341. Compared 75616 event pairs, 749 based on Foata normal form. 0/6530 useless extension candidates. Maximal degree in co-relation 11736. Up to 3888 conditions per place. [2023-08-29 18:50:08,831 INFO L137 encePairwiseOnDemand]: 1106/1110 looper letters, 53 selfloop transitions, 2 changer transitions 0/125 dead transitions. [2023-08-29 18:50:08,831 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 111 places, 125 transitions, 367 flow [2023-08-29 18:50:08,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 18:50:08,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 18:50:08,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1638 transitions. [2023-08-29 18:50:08,837 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4918918918918919 [2023-08-29 18:50:08,837 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1638 transitions. [2023-08-29 18:50:08,837 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1638 transitions. [2023-08-29 18:50:08,838 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:50:08,838 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1638 transitions. [2023-08-29 18:50:08,842 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 546.0) internal successors, (1638), 3 states have internal predecessors, (1638), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:50:08,849 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1110.0) internal successors, (4440), 4 states have internal predecessors, (4440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:50:08,851 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1110.0) internal successors, (4440), 4 states have internal predecessors, (4440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:50:08,851 INFO L175 Difference]: Start difference. First operand has 112 places, 112 transitions, 229 flow. Second operand 3 states and 1638 transitions. [2023-08-29 18:50:08,851 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 111 places, 125 transitions, 367 flow [2023-08-29 18:50:08,853 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 111 places, 125 transitions, 367 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 18:50:08,856 INFO L231 Difference]: Finished difference. Result has 112 places, 112 transitions, 239 flow [2023-08-29 18:50:08,856 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1110, PETRI_DIFFERENCE_MINUEND_FLOW=225, PETRI_DIFFERENCE_MINUEND_PLACES=109, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=110, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=108, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=239, PETRI_PLACES=112, PETRI_TRANSITIONS=112} [2023-08-29 18:50:08,857 INFO L281 CegarLoopForPetriNet]: 146 programPoint places, -34 predicate places. [2023-08-29 18:50:08,857 INFO L495 AbstractCegarLoop]: Abstraction has has 112 places, 112 transitions, 239 flow [2023-08-29 18:50:08,858 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 529.3333333333334) internal successors, (1588), 3 states have internal predecessors, (1588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:50:08,858 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:50:08,858 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 18:50:08,859 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-29 18:50:08,860 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 82 more)] === [2023-08-29 18:50:08,862 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:50:08,862 INFO L85 PathProgramCache]: Analyzing trace with hash -933534370, now seen corresponding path program 1 times [2023-08-29 18:50:08,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:50:08,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172904220] [2023-08-29 18:50:08,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:50:08,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:50:08,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:50:08,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 18:50:08,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:50:08,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1172904220] [2023-08-29 18:50:08,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1172904220] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:50:08,965 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:50:08,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 18:50:08,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753753473] [2023-08-29 18:50:08,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:50:08,966 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 18:50:08,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:50:08,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 18:50:08,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 18:50:08,980 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 527 out of 1110 [2023-08-29 18:50:08,982 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 112 places, 112 transitions, 239 flow. Second operand has 3 states, 3 states have (on average 529.6666666666666) internal successors, (1589), 3 states have internal predecessors, (1589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:50:08,982 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:50:08,982 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 527 of 1110 [2023-08-29 18:50:08,982 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:50:09,646 INFO L130 PetriNetUnfolder]: 2539/6286 cut-off events. [2023-08-29 18:50:09,647 INFO L131 PetriNetUnfolder]: For 68/157 co-relation queries the response was YES. [2023-08-29 18:50:09,660 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10010 conditions, 6286 events. 2539/6286 cut-off events. For 68/157 co-relation queries the response was YES. Maximal size of possible extension queue 268. Compared 54405 event pairs, 547 based on Foata normal form. 2/5211 useless extension candidates. Maximal degree in co-relation 10006. Up to 3472 conditions per place. [2023-08-29 18:50:09,684 INFO L137 encePairwiseOnDemand]: 1106/1110 looper letters, 52 selfloop transitions, 2 changer transitions 0/125 dead transitions. [2023-08-29 18:50:09,685 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 112 places, 125 transitions, 375 flow [2023-08-29 18:50:09,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 18:50:09,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 18:50:09,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1637 transitions. [2023-08-29 18:50:09,689 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4915915915915916 [2023-08-29 18:50:09,689 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1637 transitions. [2023-08-29 18:50:09,689 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1637 transitions. [2023-08-29 18:50:09,690 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:50:09,690 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1637 transitions. [2023-08-29 18:50:09,693 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 545.6666666666666) internal successors, (1637), 3 states have internal predecessors, (1637), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:50:09,699 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1110.0) internal successors, (4440), 4 states have internal predecessors, (4440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:50:09,701 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1110.0) internal successors, (4440), 4 states have internal predecessors, (4440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:50:09,702 INFO L175 Difference]: Start difference. First operand has 112 places, 112 transitions, 239 flow. Second operand 3 states and 1637 transitions. [2023-08-29 18:50:09,702 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 112 places, 125 transitions, 375 flow [2023-08-29 18:50:09,703 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 112 places, 125 transitions, 375 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 18:50:09,704 INFO L231 Difference]: Finished difference. Result has 113 places, 112 transitions, 249 flow [2023-08-29 18:50:09,705 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1110, PETRI_DIFFERENCE_MINUEND_FLOW=235, PETRI_DIFFERENCE_MINUEND_PLACES=110, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=110, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=108, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=249, PETRI_PLACES=113, PETRI_TRANSITIONS=112} [2023-08-29 18:50:09,705 INFO L281 CegarLoopForPetriNet]: 146 programPoint places, -33 predicate places. [2023-08-29 18:50:09,705 INFO L495 AbstractCegarLoop]: Abstraction has has 113 places, 112 transitions, 249 flow [2023-08-29 18:50:09,706 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 529.6666666666666) internal successors, (1589), 3 states have internal predecessors, (1589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:50:09,706 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:50:09,707 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 18:50:09,707 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-29 18:50:09,707 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 82 more)] === [2023-08-29 18:50:09,707 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:50:09,707 INFO L85 PathProgramCache]: Analyzing trace with hash 522414409, now seen corresponding path program 1 times [2023-08-29 18:50:09,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:50:09,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [77294780] [2023-08-29 18:50:09,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:50:09,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:50:09,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:50:09,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 18:50:09,749 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:50:09,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [77294780] [2023-08-29 18:50:09,749 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [77294780] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:50:09,749 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:50:09,749 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 18:50:09,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717380664] [2023-08-29 18:50:09,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:50:09,750 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 18:50:09,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:50:09,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 18:50:09,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 18:50:09,760 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 527 out of 1110 [2023-08-29 18:50:09,762 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 113 places, 112 transitions, 249 flow. Second operand has 3 states, 3 states have (on average 530.3333333333334) internal successors, (1591), 3 states have internal predecessors, (1591), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:50:09,762 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:50:09,762 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 527 of 1110 [2023-08-29 18:50:09,762 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:50:10,904 INFO L130 PetriNetUnfolder]: 4185/12010 cut-off events. [2023-08-29 18:50:10,904 INFO L131 PetriNetUnfolder]: For 288/304 co-relation queries the response was YES. [2023-08-29 18:50:10,931 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18395 conditions, 12010 events. 4185/12010 cut-off events. For 288/304 co-relation queries the response was YES. Maximal size of possible extension queue 435. Compared 125531 event pairs, 1148 based on Foata normal form. 2/10282 useless extension candidates. Maximal degree in co-relation 18390. Up to 4087 conditions per place. [2023-08-29 18:50:10,967 INFO L137 encePairwiseOnDemand]: 1106/1110 looper letters, 67 selfloop transitions, 2 changer transitions 0/138 dead transitions. [2023-08-29 18:50:10,968 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 113 places, 138 transitions, 448 flow [2023-08-29 18:50:10,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 18:50:10,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 18:50:10,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1650 transitions. [2023-08-29 18:50:10,972 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4954954954954955 [2023-08-29 18:50:10,972 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1650 transitions. [2023-08-29 18:50:10,972 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1650 transitions. [2023-08-29 18:50:10,973 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:50:10,973 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1650 transitions. [2023-08-29 18:50:10,977 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 550.0) internal successors, (1650), 3 states have internal predecessors, (1650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:50:10,982 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1110.0) internal successors, (4440), 4 states have internal predecessors, (4440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:50:10,984 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1110.0) internal successors, (4440), 4 states have internal predecessors, (4440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:50:10,984 INFO L175 Difference]: Start difference. First operand has 113 places, 112 transitions, 249 flow. Second operand 3 states and 1650 transitions. [2023-08-29 18:50:10,984 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 113 places, 138 transitions, 448 flow [2023-08-29 18:50:10,986 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 113 places, 138 transitions, 448 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 18:50:10,987 INFO L231 Difference]: Finished difference. Result has 114 places, 112 transitions, 259 flow [2023-08-29 18:50:10,988 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1110, PETRI_DIFFERENCE_MINUEND_FLOW=245, PETRI_DIFFERENCE_MINUEND_PLACES=111, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=110, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=108, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=259, PETRI_PLACES=114, PETRI_TRANSITIONS=112} [2023-08-29 18:50:10,988 INFO L281 CegarLoopForPetriNet]: 146 programPoint places, -32 predicate places. [2023-08-29 18:50:10,988 INFO L495 AbstractCegarLoop]: Abstraction has has 114 places, 112 transitions, 259 flow [2023-08-29 18:50:10,989 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 530.3333333333334) internal successors, (1591), 3 states have internal predecessors, (1591), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:50:10,990 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:50:10,990 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 18:50:10,990 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-29 18:50:10,990 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 82 more)] === [2023-08-29 18:50:10,991 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:50:10,991 INFO L85 PathProgramCache]: Analyzing trace with hash -1720985751, now seen corresponding path program 1 times [2023-08-29 18:50:10,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:50:10,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633504873] [2023-08-29 18:50:10,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:50:10,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:50:11,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:50:11,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 18:50:11,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:50:11,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1633504873] [2023-08-29 18:50:11,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1633504873] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:50:11,029 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:50:11,029 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 18:50:11,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [839733916] [2023-08-29 18:50:11,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:50:11,030 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 18:50:11,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:50:11,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 18:50:11,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 18:50:11,040 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 527 out of 1110 [2023-08-29 18:50:11,042 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 114 places, 112 transitions, 259 flow. Second operand has 3 states, 3 states have (on average 530.3333333333334) internal successors, (1591), 3 states have internal predecessors, (1591), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:50:11,043 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:50:11,043 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 527 of 1110 [2023-08-29 18:50:11,043 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:50:11,827 INFO L130 PetriNetUnfolder]: 3449/8619 cut-off events. [2023-08-29 18:50:11,827 INFO L131 PetriNetUnfolder]: For 647/706 co-relation queries the response was YES. [2023-08-29 18:50:11,857 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14673 conditions, 8619 events. 3449/8619 cut-off events. For 647/706 co-relation queries the response was YES. Maximal size of possible extension queue 289. Compared 76613 event pairs, 772 based on Foata normal form. 7/7671 useless extension candidates. Maximal degree in co-relation 14667. Up to 4598 conditions per place. [2023-08-29 18:50:11,890 INFO L137 encePairwiseOnDemand]: 1106/1110 looper letters, 56 selfloop transitions, 2 changer transitions 0/127 dead transitions. [2023-08-29 18:50:11,890 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 114 places, 127 transitions, 417 flow [2023-08-29 18:50:11,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 18:50:11,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 18:50:11,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1636 transitions. [2023-08-29 18:50:11,894 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4912912912912913 [2023-08-29 18:50:11,895 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1636 transitions. [2023-08-29 18:50:11,895 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1636 transitions. [2023-08-29 18:50:11,896 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:50:11,896 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1636 transitions. [2023-08-29 18:50:11,899 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 545.3333333333334) internal successors, (1636), 3 states have internal predecessors, (1636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:50:11,904 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1110.0) internal successors, (4440), 4 states have internal predecessors, (4440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:50:11,906 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1110.0) internal successors, (4440), 4 states have internal predecessors, (4440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:50:11,907 INFO L175 Difference]: Start difference. First operand has 114 places, 112 transitions, 259 flow. Second operand 3 states and 1636 transitions. [2023-08-29 18:50:11,907 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 114 places, 127 transitions, 417 flow [2023-08-29 18:50:11,908 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 114 places, 127 transitions, 417 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 18:50:11,910 INFO L231 Difference]: Finished difference. Result has 115 places, 112 transitions, 269 flow [2023-08-29 18:50:11,910 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1110, PETRI_DIFFERENCE_MINUEND_FLOW=255, PETRI_DIFFERENCE_MINUEND_PLACES=112, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=110, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=108, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=269, PETRI_PLACES=115, PETRI_TRANSITIONS=112} [2023-08-29 18:50:11,911 INFO L281 CegarLoopForPetriNet]: 146 programPoint places, -31 predicate places. [2023-08-29 18:50:11,911 INFO L495 AbstractCegarLoop]: Abstraction has has 115 places, 112 transitions, 269 flow [2023-08-29 18:50:11,912 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 530.3333333333334) internal successors, (1591), 3 states have internal predecessors, (1591), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:50:11,912 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:50:11,912 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 18:50:11,912 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-29 18:50:11,912 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 82 more)] === [2023-08-29 18:50:11,913 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:50:11,913 INFO L85 PathProgramCache]: Analyzing trace with hash -904364389, now seen corresponding path program 1 times [2023-08-29 18:50:11,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:50:11,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93080201] [2023-08-29 18:50:11,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:50:11,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:50:11,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:50:12,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 18:50:12,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:50:12,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [93080201] [2023-08-29 18:50:12,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [93080201] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:50:12,256 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:50:12,256 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 18:50:12,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873677297] [2023-08-29 18:50:12,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:50:12,257 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 18:50:12,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:50:12,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 18:50:12,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 18:50:12,638 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 513 out of 1110 [2023-08-29 18:50:12,641 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 115 places, 112 transitions, 269 flow. Second operand has 6 states, 6 states have (on average 515.3333333333334) internal successors, (3092), 6 states have internal predecessors, (3092), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:50:12,642 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:50:12,642 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 513 of 1110 [2023-08-29 18:50:12,642 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:50:14,268 INFO L130 PetriNetUnfolder]: 10077/16682 cut-off events. [2023-08-29 18:50:14,269 INFO L131 PetriNetUnfolder]: For 2721/2721 co-relation queries the response was YES. [2023-08-29 18:50:14,336 INFO L83 FinitePrefix]: Finished finitePrefix Result has 34475 conditions, 16682 events. 10077/16682 cut-off events. For 2721/2721 co-relation queries the response was YES. Maximal size of possible extension queue 680. Compared 119489 event pairs, 902 based on Foata normal form. 0/15133 useless extension candidates. Maximal degree in co-relation 34468. Up to 5170 conditions per place. [2023-08-29 18:50:14,411 INFO L137 encePairwiseOnDemand]: 1105/1110 looper letters, 147 selfloop transitions, 4 changer transitions 0/215 dead transitions. [2023-08-29 18:50:14,411 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 119 places, 215 transitions, 877 flow [2023-08-29 18:50:14,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 18:50:14,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 18:50:14,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3205 transitions. [2023-08-29 18:50:14,419 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.48123123123123124 [2023-08-29 18:50:14,420 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3205 transitions. [2023-08-29 18:50:14,420 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3205 transitions. [2023-08-29 18:50:14,421 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:50:14,422 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3205 transitions. [2023-08-29 18:50:14,428 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 534.1666666666666) internal successors, (3205), 6 states have internal predecessors, (3205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:50:14,438 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1110.0) internal successors, (7770), 7 states have internal predecessors, (7770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:50:14,440 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1110.0) internal successors, (7770), 7 states have internal predecessors, (7770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:50:14,440 INFO L175 Difference]: Start difference. First operand has 115 places, 112 transitions, 269 flow. Second operand 6 states and 3205 transitions. [2023-08-29 18:50:14,440 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 119 places, 215 transitions, 877 flow [2023-08-29 18:50:14,444 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 119 places, 215 transitions, 877 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 18:50:14,446 INFO L231 Difference]: Finished difference. Result has 119 places, 111 transitions, 275 flow [2023-08-29 18:50:14,447 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1110, PETRI_DIFFERENCE_MINUEND_FLOW=267, PETRI_DIFFERENCE_MINUEND_PLACES=114, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=111, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=107, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=275, PETRI_PLACES=119, PETRI_TRANSITIONS=111} [2023-08-29 18:50:14,447 INFO L281 CegarLoopForPetriNet]: 146 programPoint places, -27 predicate places. [2023-08-29 18:50:14,448 INFO L495 AbstractCegarLoop]: Abstraction has has 119 places, 111 transitions, 275 flow [2023-08-29 18:50:14,449 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 515.3333333333334) internal successors, (3092), 6 states have internal predecessors, (3092), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:50:14,449 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:50:14,449 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 18:50:14,449 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-29 18:50:14,450 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread3Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 82 more)] === [2023-08-29 18:50:14,450 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:50:14,450 INFO L85 PathProgramCache]: Analyzing trace with hash 752888914, now seen corresponding path program 1 times [2023-08-29 18:50:14,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:50:14,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [325626768] [2023-08-29 18:50:14,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:50:14,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:50:14,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:50:14,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 18:50:14,485 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:50:14,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [325626768] [2023-08-29 18:50:14,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [325626768] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:50:14,486 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:50:14,486 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 18:50:14,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766082471] [2023-08-29 18:50:14,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:50:14,487 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 18:50:14,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:50:14,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 18:50:14,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 18:50:14,497 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 527 out of 1110 [2023-08-29 18:50:14,498 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 119 places, 111 transitions, 275 flow. Second operand has 3 states, 3 states have (on average 531.6666666666666) internal successors, (1595), 3 states have internal predecessors, (1595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:50:14,499 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:50:14,499 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 527 of 1110 [2023-08-29 18:50:14,499 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:50:15,619 INFO L130 PetriNetUnfolder]: 5207/12408 cut-off events. [2023-08-29 18:50:15,620 INFO L131 PetriNetUnfolder]: For 2091/2120 co-relation queries the response was YES. [2023-08-29 18:50:15,647 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22898 conditions, 12408 events. 5207/12408 cut-off events. For 2091/2120 co-relation queries the response was YES. Maximal size of possible extension queue 405. Compared 115588 event pairs, 1589 based on Foata normal form. 1/11220 useless extension candidates. Maximal degree in co-relation 22890. Up to 4724 conditions per place. [2023-08-29 18:50:15,690 INFO L137 encePairwiseOnDemand]: 1106/1110 looper letters, 74 selfloop transitions, 2 changer transitions 0/140 dead transitions. [2023-08-29 18:50:15,690 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 119 places, 140 transitions, 513 flow [2023-08-29 18:50:15,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 18:50:15,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 18:50:15,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1650 transitions. [2023-08-29 18:50:15,694 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4954954954954955 [2023-08-29 18:50:15,694 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1650 transitions. [2023-08-29 18:50:15,695 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1650 transitions. [2023-08-29 18:50:15,695 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:50:15,696 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1650 transitions. [2023-08-29 18:50:15,699 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 550.0) internal successors, (1650), 3 states have internal predecessors, (1650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:50:15,703 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1110.0) internal successors, (4440), 4 states have internal predecessors, (4440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:50:15,704 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1110.0) internal successors, (4440), 4 states have internal predecessors, (4440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:50:15,704 INFO L175 Difference]: Start difference. First operand has 119 places, 111 transitions, 275 flow. Second operand 3 states and 1650 transitions. [2023-08-29 18:50:15,704 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 119 places, 140 transitions, 513 flow [2023-08-29 18:50:15,710 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 115 places, 140 transitions, 504 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-29 18:50:15,711 INFO L231 Difference]: Finished difference. Result has 116 places, 111 transitions, 278 flow [2023-08-29 18:50:15,712 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1110, PETRI_DIFFERENCE_MINUEND_FLOW=264, PETRI_DIFFERENCE_MINUEND_PLACES=113, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=109, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=107, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=278, PETRI_PLACES=116, PETRI_TRANSITIONS=111} [2023-08-29 18:50:15,712 INFO L281 CegarLoopForPetriNet]: 146 programPoint places, -30 predicate places. [2023-08-29 18:50:15,713 INFO L495 AbstractCegarLoop]: Abstraction has has 116 places, 111 transitions, 278 flow [2023-08-29 18:50:15,713 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 531.6666666666666) internal successors, (1595), 3 states have internal predecessors, (1595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:50:15,713 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:50:15,713 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 18:50:15,714 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-08-29 18:50:15,714 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 82 more)] === [2023-08-29 18:50:15,714 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:50:15,714 INFO L85 PathProgramCache]: Analyzing trace with hash -1564430222, now seen corresponding path program 1 times [2023-08-29 18:50:15,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:50:15,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2099930226] [2023-08-29 18:50:15,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:50:15,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:50:15,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:50:15,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 18:50:15,771 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:50:15,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2099930226] [2023-08-29 18:50:15,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2099930226] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:50:15,772 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:50:15,772 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-29 18:50:15,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996461408] [2023-08-29 18:50:15,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:50:15,773 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 18:50:15,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:50:15,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 18:50:15,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 18:50:15,846 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 522 out of 1110 [2023-08-29 18:50:15,847 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 116 places, 111 transitions, 278 flow. Second operand has 3 states, 3 states have (on average 525.0) internal successors, (1575), 3 states have internal predecessors, (1575), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:50:15,848 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:50:15,848 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 522 of 1110 [2023-08-29 18:50:15,848 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:50:16,814 INFO L130 PetriNetUnfolder]: 4647/12005 cut-off events. [2023-08-29 18:50:16,814 INFO L131 PetriNetUnfolder]: For 1300/1651 co-relation queries the response was YES. [2023-08-29 18:50:16,838 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21236 conditions, 12005 events. 4647/12005 cut-off events. For 1300/1651 co-relation queries the response was YES. Maximal size of possible extension queue 354. Compared 113917 event pairs, 3353 based on Foata normal form. 0/10946 useless extension candidates. Maximal degree in co-relation 21228. Up to 6667 conditions per place. [2023-08-29 18:50:16,873 INFO L137 encePairwiseOnDemand]: 1103/1110 looper letters, 41 selfloop transitions, 6 changer transitions 0/114 dead transitions. [2023-08-29 18:50:16,874 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 118 places, 114 transitions, 378 flow [2023-08-29 18:50:16,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 18:50:16,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 18:50:16,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1610 transitions. [2023-08-29 18:50:16,878 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.48348348348348347 [2023-08-29 18:50:16,878 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1610 transitions. [2023-08-29 18:50:16,878 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1610 transitions. [2023-08-29 18:50:16,879 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:50:16,879 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1610 transitions. [2023-08-29 18:50:16,882 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 536.6666666666666) internal successors, (1610), 3 states have internal predecessors, (1610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:50:16,886 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1110.0) internal successors, (4440), 4 states have internal predecessors, (4440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:50:16,887 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1110.0) internal successors, (4440), 4 states have internal predecessors, (4440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:50:16,887 INFO L175 Difference]: Start difference. First operand has 116 places, 111 transitions, 278 flow. Second operand 3 states and 1610 transitions. [2023-08-29 18:50:16,887 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 118 places, 114 transitions, 378 flow [2023-08-29 18:50:16,890 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 118 places, 114 transitions, 378 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 18:50:16,891 INFO L231 Difference]: Finished difference. Result has 119 places, 114 transitions, 310 flow [2023-08-29 18:50:16,891 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1110, PETRI_DIFFERENCE_MINUEND_FLOW=278, PETRI_DIFFERENCE_MINUEND_PLACES=116, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=111, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=105, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=310, PETRI_PLACES=119, PETRI_TRANSITIONS=114} [2023-08-29 18:50:16,894 INFO L281 CegarLoopForPetriNet]: 146 programPoint places, -27 predicate places. [2023-08-29 18:50:16,894 INFO L495 AbstractCegarLoop]: Abstraction has has 119 places, 114 transitions, 310 flow [2023-08-29 18:50:16,895 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 525.0) internal successors, (1575), 3 states have internal predecessors, (1575), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:50:16,895 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:50:16,895 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 18:50:16,895 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-08-29 18:50:16,895 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 82 more)] === [2023-08-29 18:50:16,896 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:50:16,896 INFO L85 PathProgramCache]: Analyzing trace with hash 2034071251, now seen corresponding path program 1 times [2023-08-29 18:50:16,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:50:16,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1621980554] [2023-08-29 18:50:16,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:50:16,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:50:16,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:50:16,983 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-08-29 18:50:16,984 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:50:16,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1621980554] [2023-08-29 18:50:16,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1621980554] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-29 18:50:16,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2092029658] [2023-08-29 18:50:16,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:50:16,988 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-29 18:50:16,988 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 18:50:16,993 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-08-29 18:50:17,023 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-08-29 18:50:17,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:50:17,127 INFO L263 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 5 conjunts are in the unsatisfiable core [2023-08-29 18:50:17,132 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-08-29 18:50:17,213 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-08-29 18:50:17,213 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-08-29 18:50:17,230 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-08-29 18:50:17,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2092029658] provided 0 perfect and 2 imperfect interpolant sequences [2023-08-29 18:50:17,230 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-08-29 18:50:17,231 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 7 [2023-08-29 18:50:17,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601028304] [2023-08-29 18:50:17,231 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-08-29 18:50:17,231 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-08-29 18:50:17,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:50:17,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-08-29 18:50:17,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2023-08-29 18:50:17,470 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 516 out of 1110 [2023-08-29 18:50:17,474 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 119 places, 114 transitions, 310 flow. Second operand has 8 states, 8 states have (on average 518.25) internal successors, (4146), 8 states have internal predecessors, (4146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:50:17,474 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:50:17,474 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 516 of 1110 [2023-08-29 18:50:17,474 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:50:18,594 INFO L130 PetriNetUnfolder]: 4647/12014 cut-off events. [2023-08-29 18:50:18,594 INFO L131 PetriNetUnfolder]: For 1300/1651 co-relation queries the response was YES. [2023-08-29 18:50:18,617 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21278 conditions, 12014 events. 4647/12014 cut-off events. For 1300/1651 co-relation queries the response was YES. Maximal size of possible extension queue 354. Compared 113884 event pairs, 3353 based on Foata normal form. 6/10963 useless extension candidates. Maximal degree in co-relation 21268. Up to 6667 conditions per place. [2023-08-29 18:50:18,646 INFO L137 encePairwiseOnDemand]: 1103/1110 looper letters, 41 selfloop transitions, 15 changer transitions 0/123 dead transitions. [2023-08-29 18:50:18,646 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 124 places, 123 transitions, 458 flow [2023-08-29 18:50:18,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 18:50:18,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 18:50:18,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3155 transitions. [2023-08-29 18:50:18,654 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.47372372372372373 [2023-08-29 18:50:18,654 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3155 transitions. [2023-08-29 18:50:18,654 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3155 transitions. [2023-08-29 18:50:18,656 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:50:18,656 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3155 transitions. [2023-08-29 18:50:18,662 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 525.8333333333334) internal successors, (3155), 6 states have internal predecessors, (3155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:50:18,670 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1110.0) internal successors, (7770), 7 states have internal predecessors, (7770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:50:18,672 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1110.0) internal successors, (7770), 7 states have internal predecessors, (7770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:50:18,672 INFO L175 Difference]: Start difference. First operand has 119 places, 114 transitions, 310 flow. Second operand 6 states and 3155 transitions. [2023-08-29 18:50:18,672 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 124 places, 123 transitions, 458 flow [2023-08-29 18:50:18,674 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 123 places, 123 transitions, 452 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 18:50:18,676 INFO L231 Difference]: Finished difference. Result has 126 places, 123 transitions, 400 flow [2023-08-29 18:50:18,676 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1110, PETRI_DIFFERENCE_MINUEND_FLOW=304, PETRI_DIFFERENCE_MINUEND_PLACES=118, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=114, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=105, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=400, PETRI_PLACES=126, PETRI_TRANSITIONS=123} [2023-08-29 18:50:18,677 INFO L281 CegarLoopForPetriNet]: 146 programPoint places, -20 predicate places. [2023-08-29 18:50:18,677 INFO L495 AbstractCegarLoop]: Abstraction has has 126 places, 123 transitions, 400 flow [2023-08-29 18:50:18,678 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 518.25) internal successors, (4146), 8 states have internal predecessors, (4146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:50:18,678 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:50:18,678 INFO L208 CegarLoopForPetriNet]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 18:50:18,688 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-08-29 18:50:18,884 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-29 18:50:18,884 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 82 more)] === [2023-08-29 18:50:18,885 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:50:18,885 INFO L85 PathProgramCache]: Analyzing trace with hash -1482302158, now seen corresponding path program 2 times [2023-08-29 18:50:18,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:50:18,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [803622731] [2023-08-29 18:50:18,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:50:18,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:50:18,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:50:19,072 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-08-29 18:50:19,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:50:19,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [803622731] [2023-08-29 18:50:19,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [803622731] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-29 18:50:19,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [476369027] [2023-08-29 18:50:19,073 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-08-29 18:50:19,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-29 18:50:19,073 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 18:50:19,074 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-08-29 18:50:19,100 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-08-29 18:50:19,210 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-08-29 18:50:19,210 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-08-29 18:50:19,212 INFO L263 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 23 conjunts are in the unsatisfiable core [2023-08-29 18:50:19,215 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-08-29 18:50:19,292 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-08-29 18:50:19,316 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2023-08-29 18:50:19,343 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-08-29 18:50:19,344 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 28 [2023-08-29 18:50:19,378 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-08-29 18:50:19,379 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 38 [2023-08-29 18:50:19,403 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-08-29 18:50:19,403 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-08-29 18:50:19,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [476369027] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:50:19,404 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-08-29 18:50:19,404 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 14 [2023-08-29 18:50:19,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349760622] [2023-08-29 18:50:19,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:50:19,405 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-08-29 18:50:19,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:50:19,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-08-29 18:50:19,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2023-08-29 18:50:19,975 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 506 out of 1110 [2023-08-29 18:50:19,978 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 126 places, 123 transitions, 400 flow. Second operand has 9 states, 9 states have (on average 507.8888888888889) internal successors, (4571), 9 states have internal predecessors, (4571), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:50:19,978 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:50:19,978 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 506 of 1110 [2023-08-29 18:50:19,978 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:50:21,964 INFO L130 PetriNetUnfolder]: 9101/18439 cut-off events. [2023-08-29 18:50:21,964 INFO L131 PetriNetUnfolder]: For 2174/2882 co-relation queries the response was YES. [2023-08-29 18:50:22,032 INFO L83 FinitePrefix]: Finished finitePrefix Result has 35535 conditions, 18439 events. 9101/18439 cut-off events. For 2174/2882 co-relation queries the response was YES. Maximal size of possible extension queue 542. Compared 160562 event pairs, 3557 based on Foata normal form. 6/17467 useless extension candidates. Maximal degree in co-relation 35522. Up to 7274 conditions per place. [2023-08-29 18:50:22,095 INFO L137 encePairwiseOnDemand]: 1102/1110 looper letters, 183 selfloop transitions, 7 changer transitions 0/251 dead transitions. [2023-08-29 18:50:22,095 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 133 places, 251 transitions, 1138 flow [2023-08-29 18:50:22,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-08-29 18:50:22,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2023-08-29 18:50:22,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 4205 transitions. [2023-08-29 18:50:22,104 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.47353603603603606 [2023-08-29 18:50:22,104 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 4205 transitions. [2023-08-29 18:50:22,105 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 4205 transitions. [2023-08-29 18:50:22,108 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:50:22,108 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 4205 transitions. [2023-08-29 18:50:22,116 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 525.625) internal successors, (4205), 8 states have internal predecessors, (4205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:50:22,129 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 1110.0) internal successors, (9990), 9 states have internal predecessors, (9990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:50:22,131 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 1110.0) internal successors, (9990), 9 states have internal predecessors, (9990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:50:22,131 INFO L175 Difference]: Start difference. First operand has 126 places, 123 transitions, 400 flow. Second operand 8 states and 4205 transitions. [2023-08-29 18:50:22,131 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 133 places, 251 transitions, 1138 flow [2023-08-29 18:50:22,135 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 132 places, 251 transitions, 1114 flow, removed 9 selfloop flow, removed 1 redundant places. [2023-08-29 18:50:22,137 INFO L231 Difference]: Finished difference. Result has 137 places, 128 transitions, 422 flow [2023-08-29 18:50:22,138 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1110, PETRI_DIFFERENCE_MINUEND_FLOW=376, PETRI_DIFFERENCE_MINUEND_PLACES=125, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=123, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=116, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=422, PETRI_PLACES=137, PETRI_TRANSITIONS=128} [2023-08-29 18:50:22,138 INFO L281 CegarLoopForPetriNet]: 146 programPoint places, -9 predicate places. [2023-08-29 18:50:22,138 INFO L495 AbstractCegarLoop]: Abstraction has has 137 places, 128 transitions, 422 flow [2023-08-29 18:50:22,140 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 507.8888888888889) internal successors, (4571), 9 states have internal predecessors, (4571), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:50:22,140 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:50:22,140 INFO L208 CegarLoopForPetriNet]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 18:50:22,151 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-08-29 18:50:22,345 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-08-29 18:50:22,346 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thread2Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 82 more)] === [2023-08-29 18:50:22,346 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:50:22,346 INFO L85 PathProgramCache]: Analyzing trace with hash 873124882, now seen corresponding path program 1 times [2023-08-29 18:50:22,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:50:22,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1699690181] [2023-08-29 18:50:22,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:50:22,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:50:22,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:50:22,550 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-08-29 18:50:22,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:50:22,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1699690181] [2023-08-29 18:50:22,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1699690181] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-29 18:50:22,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1571194707] [2023-08-29 18:50:22,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:50:22,551 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-29 18:50:22,551 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 18:50:22,553 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-08-29 18:50:22,580 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-08-29 18:50:22,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:50:22,734 INFO L263 TraceCheckSpWp]: Trace formula consists of 468 conjuncts, 8 conjunts are in the unsatisfiable core [2023-08-29 18:50:22,736 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-08-29 18:50:22,805 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-08-29 18:50:22,805 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-08-29 18:50:22,884 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-08-29 18:50:22,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1571194707] provided 0 perfect and 2 imperfect interpolant sequences [2023-08-29 18:50:22,885 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-08-29 18:50:22,885 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 17 [2023-08-29 18:50:22,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967713620] [2023-08-29 18:50:22,885 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-08-29 18:50:22,887 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-08-29 18:50:22,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:50:22,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-08-29 18:50:22,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=166, Unknown=0, NotChecked=0, Total=272 [2023-08-29 18:50:23,419 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 516 out of 1110 [2023-08-29 18:50:23,426 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 137 places, 128 transitions, 422 flow. Second operand has 17 states, 17 states have (on average 517.8235294117648) internal successors, (8803), 17 states have internal predecessors, (8803), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:50:23,426 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:50:23,427 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 516 of 1110 [2023-08-29 18:50:23,427 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:50:24,919 INFO L130 PetriNetUnfolder]: 5126/14391 cut-off events. [2023-08-29 18:50:24,919 INFO L131 PetriNetUnfolder]: For 2403/2802 co-relation queries the response was YES. [2023-08-29 18:50:25,033 INFO L83 FinitePrefix]: Finished finitePrefix Result has 26208 conditions, 14391 events. 5126/14391 cut-off events. For 2403/2802 co-relation queries the response was YES. Maximal size of possible extension queue 398. Compared 145467 event pairs, 3772 based on Foata normal form. 39/13325 useless extension candidates. Maximal degree in co-relation 26189. Up to 7364 conditions per place. [2023-08-29 18:50:25,089 INFO L137 encePairwiseOnDemand]: 1103/1110 looper letters, 42 selfloop transitions, 18 changer transitions 0/131 dead transitions. [2023-08-29 18:50:25,089 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 143 places, 131 transitions, 560 flow [2023-08-29 18:50:25,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-08-29 18:50:25,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2023-08-29 18:50:25,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 3668 transitions. [2023-08-29 18:50:25,098 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4720720720720721 [2023-08-29 18:50:25,098 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 3668 transitions. [2023-08-29 18:50:25,098 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 3668 transitions. [2023-08-29 18:50:25,100 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:50:25,100 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 3668 transitions. [2023-08-29 18:50:25,106 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 524.0) internal successors, (3668), 7 states have internal predecessors, (3668), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:50:25,116 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 1110.0) internal successors, (8880), 8 states have internal predecessors, (8880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:50:25,117 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 1110.0) internal successors, (8880), 8 states have internal predecessors, (8880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:50:25,117 INFO L175 Difference]: Start difference. First operand has 137 places, 128 transitions, 422 flow. Second operand 7 states and 3668 transitions. [2023-08-29 18:50:25,117 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 143 places, 131 transitions, 560 flow [2023-08-29 18:50:25,124 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 141 places, 131 transitions, 556 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-29 18:50:25,126 INFO L231 Difference]: Finished difference. Result has 142 places, 131 transitions, 486 flow [2023-08-29 18:50:25,127 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1110, PETRI_DIFFERENCE_MINUEND_FLOW=418, PETRI_DIFFERENCE_MINUEND_PLACES=135, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=128, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=110, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=486, PETRI_PLACES=142, PETRI_TRANSITIONS=131} [2023-08-29 18:50:25,127 INFO L281 CegarLoopForPetriNet]: 146 programPoint places, -4 predicate places. [2023-08-29 18:50:25,127 INFO L495 AbstractCegarLoop]: Abstraction has has 142 places, 131 transitions, 486 flow [2023-08-29 18:50:25,128 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 517.8235294117648) internal successors, (8803), 17 states have internal predecessors, (8803), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:50:25,129 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:50:25,129 INFO L208 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 18:50:25,135 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-08-29 18:50:25,335 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-29 18:50:25,335 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting thread2Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 82 more)] === [2023-08-29 18:50:25,336 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:50:25,336 INFO L85 PathProgramCache]: Analyzing trace with hash 879507379, now seen corresponding path program 2 times [2023-08-29 18:50:25,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:50:25,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2135963220] [2023-08-29 18:50:25,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:50:25,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:50:25,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:50:26,050 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-08-29 18:50:26,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:50:26,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2135963220] [2023-08-29 18:50:26,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2135963220] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:50:26,051 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:50:26,051 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 18:50:26,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613186849] [2023-08-29 18:50:26,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:50:26,052 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 18:50:26,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:50:26,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 18:50:26,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 18:50:26,493 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 512 out of 1110 [2023-08-29 18:50:26,495 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 142 places, 131 transitions, 486 flow. Second operand has 6 states, 6 states have (on average 515.1666666666666) internal successors, (3091), 6 states have internal predecessors, (3091), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:50:26,496 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:50:26,496 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 512 of 1110 [2023-08-29 18:50:26,496 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:50:28,229 INFO L130 PetriNetUnfolder]: 8456/19941 cut-off events. [2023-08-29 18:50:28,229 INFO L131 PetriNetUnfolder]: For 3335/3831 co-relation queries the response was YES. [2023-08-29 18:50:28,393 INFO L83 FinitePrefix]: Finished finitePrefix Result has 37521 conditions, 19941 events. 8456/19941 cut-off events. For 3335/3831 co-relation queries the response was YES. Maximal size of possible extension queue 557. Compared 194070 event pairs, 3276 based on Foata normal form. 68/18814 useless extension candidates. Maximal degree in co-relation 37501. Up to 6481 conditions per place. [2023-08-29 18:50:28,458 INFO L137 encePairwiseOnDemand]: 1104/1110 looper letters, 148 selfloop transitions, 5 changer transitions 0/218 dead transitions. [2023-08-29 18:50:28,458 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 146 places, 218 transitions, 1054 flow [2023-08-29 18:50:28,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 18:50:28,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 18:50:28,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3192 transitions. [2023-08-29 18:50:28,464 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.47927927927927927 [2023-08-29 18:50:28,464 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3192 transitions. [2023-08-29 18:50:28,464 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3192 transitions. [2023-08-29 18:50:28,465 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:50:28,465 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3192 transitions. [2023-08-29 18:50:28,470 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 532.0) internal successors, (3192), 6 states have internal predecessors, (3192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:50:28,476 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1110.0) internal successors, (7770), 7 states have internal predecessors, (7770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:50:28,477 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1110.0) internal successors, (7770), 7 states have internal predecessors, (7770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:50:28,477 INFO L175 Difference]: Start difference. First operand has 142 places, 131 transitions, 486 flow. Second operand 6 states and 3192 transitions. [2023-08-29 18:50:28,477 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 146 places, 218 transitions, 1054 flow [2023-08-29 18:50:28,484 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 142 places, 218 transitions, 1018 flow, removed 6 selfloop flow, removed 4 redundant places. [2023-08-29 18:50:28,486 INFO L231 Difference]: Finished difference. Result has 142 places, 130 transitions, 458 flow [2023-08-29 18:50:28,487 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1110, PETRI_DIFFERENCE_MINUEND_FLOW=448, PETRI_DIFFERENCE_MINUEND_PLACES=137, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=130, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=125, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=458, PETRI_PLACES=142, PETRI_TRANSITIONS=130} [2023-08-29 18:50:28,487 INFO L281 CegarLoopForPetriNet]: 146 programPoint places, -4 predicate places. [2023-08-29 18:50:28,487 INFO L495 AbstractCegarLoop]: Abstraction has has 142 places, 130 transitions, 458 flow [2023-08-29 18:50:28,488 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 515.1666666666666) internal successors, (3091), 6 states have internal predecessors, (3091), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:50:28,488 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:50:28,488 INFO L208 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 18:50:28,489 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-08-29 18:50:28,489 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting thread3Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 82 more)] === [2023-08-29 18:50:28,489 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:50:28,489 INFO L85 PathProgramCache]: Analyzing trace with hash 1488385206, now seen corresponding path program 1 times [2023-08-29 18:50:28,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:50:28,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343769528] [2023-08-29 18:50:28,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:50:28,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:50:28,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:50:28,972 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-08-29 18:50:28,972 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:50:28,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343769528] [2023-08-29 18:50:28,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1343769528] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:50:28,973 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:50:28,973 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 18:50:28,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021640964] [2023-08-29 18:50:28,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:50:28,975 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 18:50:28,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:50:28,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 18:50:28,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 18:50:29,411 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 512 out of 1110 [2023-08-29 18:50:29,413 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 142 places, 130 transitions, 458 flow. Second operand has 6 states, 6 states have (on average 515.6666666666666) internal successors, (3094), 6 states have internal predecessors, (3094), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:50:29,413 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:50:29,413 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 512 of 1110 [2023-08-29 18:50:29,414 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:50:31,017 INFO L130 PetriNetUnfolder]: 7531/17181 cut-off events. [2023-08-29 18:50:31,017 INFO L131 PetriNetUnfolder]: For 3248/3662 co-relation queries the response was YES. [2023-08-29 18:50:31,101 INFO L83 FinitePrefix]: Finished finitePrefix Result has 33929 conditions, 17181 events. 7531/17181 cut-off events. For 3248/3662 co-relation queries the response was YES. Maximal size of possible extension queue 499. Compared 158867 event pairs, 3389 based on Foata normal form. 50/16315 useless extension candidates. Maximal degree in co-relation 33908. Up to 6690 conditions per place. [2023-08-29 18:50:31,154 INFO L137 encePairwiseOnDemand]: 1104/1110 looper letters, 144 selfloop transitions, 5 changer transitions 0/213 dead transitions. [2023-08-29 18:50:31,154 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 146 places, 213 transitions, 1018 flow [2023-08-29 18:50:31,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 18:50:31,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 18:50:31,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3188 transitions. [2023-08-29 18:50:31,161 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4786786786786787 [2023-08-29 18:50:31,161 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3188 transitions. [2023-08-29 18:50:31,161 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3188 transitions. [2023-08-29 18:50:31,162 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:50:31,162 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3188 transitions. [2023-08-29 18:50:31,167 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 531.3333333333334) internal successors, (3188), 6 states have internal predecessors, (3188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:50:31,172 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1110.0) internal successors, (7770), 7 states have internal predecessors, (7770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:50:31,173 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1110.0) internal successors, (7770), 7 states have internal predecessors, (7770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:50:31,174 INFO L175 Difference]: Start difference. First operand has 142 places, 130 transitions, 458 flow. Second operand 6 states and 3188 transitions. [2023-08-29 18:50:31,174 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 146 places, 213 transitions, 1018 flow [2023-08-29 18:50:31,184 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 141 places, 213 transitions, 1000 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-08-29 18:50:31,186 INFO L231 Difference]: Finished difference. Result has 141 places, 129 transitions, 456 flow [2023-08-29 18:50:31,186 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1110, PETRI_DIFFERENCE_MINUEND_FLOW=446, PETRI_DIFFERENCE_MINUEND_PLACES=136, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=129, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=124, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=456, PETRI_PLACES=141, PETRI_TRANSITIONS=129} [2023-08-29 18:50:31,187 INFO L281 CegarLoopForPetriNet]: 146 programPoint places, -5 predicate places. [2023-08-29 18:50:31,187 INFO L495 AbstractCegarLoop]: Abstraction has has 141 places, 129 transitions, 456 flow [2023-08-29 18:50:31,188 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 515.6666666666666) internal successors, (3094), 6 states have internal predecessors, (3094), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:50:31,188 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:50:31,188 INFO L208 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 18:50:31,188 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-08-29 18:50:31,188 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting thread2Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 82 more)] === [2023-08-29 18:50:31,189 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:50:31,189 INFO L85 PathProgramCache]: Analyzing trace with hash -901920010, now seen corresponding path program 1 times [2023-08-29 18:50:31,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:50:31,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594967269] [2023-08-29 18:50:31,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:50:31,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:50:31,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:50:31,268 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-08-29 18:50:31,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:50:31,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1594967269] [2023-08-29 18:50:31,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1594967269] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:50:31,270 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:50:31,270 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 18:50:31,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992460270] [2023-08-29 18:50:31,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:50:31,271 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 18:50:31,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:50:31,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 18:50:31,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 18:50:31,280 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 527 out of 1110 [2023-08-29 18:50:31,281 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 141 places, 129 transitions, 456 flow. Second operand has 3 states, 3 states have (on average 532.3333333333334) internal successors, (1597), 3 states have internal predecessors, (1597), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:50:31,281 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:50:31,281 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 527 of 1110 [2023-08-29 18:50:31,281 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:50:33,083 INFO L130 PetriNetUnfolder]: 9309/21783 cut-off events. [2023-08-29 18:50:33,083 INFO L131 PetriNetUnfolder]: For 3756/4269 co-relation queries the response was YES. [2023-08-29 18:50:33,229 INFO L83 FinitePrefix]: Finished finitePrefix Result has 42301 conditions, 21783 events. 9309/21783 cut-off events. For 3756/4269 co-relation queries the response was YES. Maximal size of possible extension queue 722. Compared 213764 event pairs, 2514 based on Foata normal form. 108/21172 useless extension candidates. Maximal degree in co-relation 42280. Up to 9541 conditions per place. [2023-08-29 18:50:33,472 INFO L137 encePairwiseOnDemand]: 1106/1110 looper letters, 93 selfloop transitions, 2 changer transitions 0/158 dead transitions. [2023-08-29 18:50:33,472 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 141 places, 158 transitions, 737 flow [2023-08-29 18:50:33,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 18:50:33,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 18:50:33,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1651 transitions. [2023-08-29 18:50:33,475 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4957957957957958 [2023-08-29 18:50:33,475 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1651 transitions. [2023-08-29 18:50:33,475 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1651 transitions. [2023-08-29 18:50:33,476 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:50:33,476 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1651 transitions. [2023-08-29 18:50:33,478 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 550.3333333333334) internal successors, (1651), 3 states have internal predecessors, (1651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:50:33,480 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1110.0) internal successors, (4440), 4 states have internal predecessors, (4440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:50:33,481 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1110.0) internal successors, (4440), 4 states have internal predecessors, (4440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:50:33,481 INFO L175 Difference]: Start difference. First operand has 141 places, 129 transitions, 456 flow. Second operand 3 states and 1651 transitions. [2023-08-29 18:50:33,481 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 141 places, 158 transitions, 737 flow [2023-08-29 18:50:33,492 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 136 places, 158 transitions, 727 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-08-29 18:50:33,494 INFO L231 Difference]: Finished difference. Result has 137 places, 129 transitions, 456 flow [2023-08-29 18:50:33,494 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1110, PETRI_DIFFERENCE_MINUEND_FLOW=442, PETRI_DIFFERENCE_MINUEND_PLACES=134, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=127, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=125, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=456, PETRI_PLACES=137, PETRI_TRANSITIONS=129} [2023-08-29 18:50:33,495 INFO L281 CegarLoopForPetriNet]: 146 programPoint places, -9 predicate places. [2023-08-29 18:50:33,495 INFO L495 AbstractCegarLoop]: Abstraction has has 137 places, 129 transitions, 456 flow [2023-08-29 18:50:33,495 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 532.3333333333334) internal successors, (1597), 3 states have internal predecessors, (1597), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:50:33,495 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:50:33,495 INFO L208 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 18:50:33,496 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-08-29 18:50:33,496 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 82 more)] === [2023-08-29 18:50:33,496 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:50:33,496 INFO L85 PathProgramCache]: Analyzing trace with hash -972674838, now seen corresponding path program 1 times [2023-08-29 18:50:33,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:50:33,497 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200748307] [2023-08-29 18:50:33,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:50:33,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:50:33,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:50:34,082 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-08-29 18:50:34,082 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:50:34,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [200748307] [2023-08-29 18:50:34,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [200748307] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:50:34,083 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:50:34,083 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 18:50:34,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665832686] [2023-08-29 18:50:34,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:50:34,084 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 18:50:34,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:50:34,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 18:50:34,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 18:50:34,423 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 513 out of 1110 [2023-08-29 18:50:34,424 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 137 places, 129 transitions, 456 flow. Second operand has 6 states, 6 states have (on average 516.8333333333334) internal successors, (3101), 6 states have internal predecessors, (3101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:50:34,424 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:50:34,425 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 513 of 1110 [2023-08-29 18:50:34,425 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:50:36,269 INFO L130 PetriNetUnfolder]: 8632/21429 cut-off events. [2023-08-29 18:50:36,269 INFO L131 PetriNetUnfolder]: For 3133/3562 co-relation queries the response was YES. [2023-08-29 18:50:36,429 INFO L83 FinitePrefix]: Finished finitePrefix Result has 40427 conditions, 21429 events. 8632/21429 cut-off events. For 3133/3562 co-relation queries the response was YES. Maximal size of possible extension queue 630. Compared 215428 event pairs, 4670 based on Foata normal form. 86/20886 useless extension candidates. Maximal degree in co-relation 40406. Up to 8827 conditions per place. [2023-08-29 18:50:36,502 INFO L137 encePairwiseOnDemand]: 1105/1110 looper letters, 136 selfloop transitions, 4 changer transitions 0/204 dead transitions. [2023-08-29 18:50:36,502 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 141 places, 204 transitions, 966 flow [2023-08-29 18:50:36,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 18:50:36,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 18:50:36,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3181 transitions. [2023-08-29 18:50:36,506 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4776276276276276 [2023-08-29 18:50:36,507 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3181 transitions. [2023-08-29 18:50:36,507 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3181 transitions. [2023-08-29 18:50:36,508 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:50:36,508 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3181 transitions. [2023-08-29 18:50:36,511 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 530.1666666666666) internal successors, (3181), 6 states have internal predecessors, (3181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:50:36,516 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1110.0) internal successors, (7770), 7 states have internal predecessors, (7770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:50:36,517 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1110.0) internal successors, (7770), 7 states have internal predecessors, (7770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:50:36,517 INFO L175 Difference]: Start difference. First operand has 137 places, 129 transitions, 456 flow. Second operand 6 states and 3181 transitions. [2023-08-29 18:50:36,517 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 141 places, 204 transitions, 966 flow [2023-08-29 18:50:36,524 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 141 places, 204 transitions, 966 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 18:50:36,526 INFO L231 Difference]: Finished difference. Result has 141 places, 128 transitions, 462 flow [2023-08-29 18:50:36,526 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1110, PETRI_DIFFERENCE_MINUEND_FLOW=454, PETRI_DIFFERENCE_MINUEND_PLACES=136, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=128, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=124, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=462, PETRI_PLACES=141, PETRI_TRANSITIONS=128} [2023-08-29 18:50:36,526 INFO L281 CegarLoopForPetriNet]: 146 programPoint places, -5 predicate places. [2023-08-29 18:50:36,527 INFO L495 AbstractCegarLoop]: Abstraction has has 141 places, 128 transitions, 462 flow [2023-08-29 18:50:36,527 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 516.8333333333334) internal successors, (3101), 6 states have internal predecessors, (3101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:50:36,527 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:50:36,527 INFO L208 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 18:50:36,527 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-08-29 18:50:36,527 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 82 more)] === [2023-08-29 18:50:36,527 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:50:36,528 INFO L85 PathProgramCache]: Analyzing trace with hash -1676596678, now seen corresponding path program 1 times [2023-08-29 18:50:36,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:50:36,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641996288] [2023-08-29 18:50:36,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:50:36,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:50:36,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:50:36,998 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-08-29 18:50:36,999 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:50:36,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1641996288] [2023-08-29 18:50:36,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1641996288] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:50:36,999 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:50:36,999 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 18:50:37,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [96310085] [2023-08-29 18:50:37,000 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:50:37,001 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 18:50:37,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:50:37,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 18:50:37,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 18:50:37,417 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 512 out of 1110 [2023-08-29 18:50:37,419 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 141 places, 128 transitions, 462 flow. Second operand has 6 states, 6 states have (on average 514.8333333333334) internal successors, (3089), 6 states have internal predecessors, (3089), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:50:37,419 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:50:37,419 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 512 of 1110 [2023-08-29 18:50:37,419 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:50:39,566 INFO L130 PetriNetUnfolder]: 11178/24709 cut-off events. [2023-08-29 18:50:39,566 INFO L131 PetriNetUnfolder]: For 3227/3610 co-relation queries the response was YES. [2023-08-29 18:50:39,811 INFO L83 FinitePrefix]: Finished finitePrefix Result has 48272 conditions, 24709 events. 11178/24709 cut-off events. For 3227/3610 co-relation queries the response was YES. Maximal size of possible extension queue 674. Compared 235158 event pairs, 5079 based on Foata normal form. 456/24579 useless extension candidates. Maximal degree in co-relation 48250. Up to 9597 conditions per place. [2023-08-29 18:50:39,925 INFO L137 encePairwiseOnDemand]: 1104/1110 looper letters, 146 selfloop transitions, 6 changer transitions 0/215 dead transitions. [2023-08-29 18:50:39,925 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 145 places, 215 transitions, 1004 flow [2023-08-29 18:50:39,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 18:50:39,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 18:50:39,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3195 transitions. [2023-08-29 18:50:39,931 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4797297297297297 [2023-08-29 18:50:39,931 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3195 transitions. [2023-08-29 18:50:39,931 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3195 transitions. [2023-08-29 18:50:39,932 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:50:39,932 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3195 transitions. [2023-08-29 18:50:39,935 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 532.5) internal successors, (3195), 6 states have internal predecessors, (3195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:50:39,943 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1110.0) internal successors, (7770), 7 states have internal predecessors, (7770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:50:39,943 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1110.0) internal successors, (7770), 7 states have internal predecessors, (7770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:50:39,944 INFO L175 Difference]: Start difference. First operand has 141 places, 128 transitions, 462 flow. Second operand 6 states and 3195 transitions. [2023-08-29 18:50:39,944 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 145 places, 215 transitions, 1004 flow [2023-08-29 18:50:39,958 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 141 places, 215 transitions, 997 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-29 18:50:39,960 INFO L231 Difference]: Finished difference. Result has 141 places, 127 transitions, 465 flow [2023-08-29 18:50:39,960 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1110, PETRI_DIFFERENCE_MINUEND_FLOW=453, PETRI_DIFFERENCE_MINUEND_PLACES=136, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=127, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=121, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=465, PETRI_PLACES=141, PETRI_TRANSITIONS=127} [2023-08-29 18:50:39,961 INFO L281 CegarLoopForPetriNet]: 146 programPoint places, -5 predicate places. [2023-08-29 18:50:39,962 INFO L495 AbstractCegarLoop]: Abstraction has has 141 places, 127 transitions, 465 flow [2023-08-29 18:50:39,962 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 514.8333333333334) internal successors, (3089), 6 states have internal predecessors, (3089), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:50:39,962 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:50:39,962 INFO L208 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 18:50:39,963 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-08-29 18:50:39,963 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting thread3Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 82 more)] === [2023-08-29 18:50:39,964 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:50:39,964 INFO L85 PathProgramCache]: Analyzing trace with hash -660779989, now seen corresponding path program 1 times [2023-08-29 18:50:39,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:50:39,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942475230] [2023-08-29 18:50:39,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:50:39,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:50:40,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:50:40,449 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-08-29 18:50:40,450 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:50:40,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1942475230] [2023-08-29 18:50:40,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1942475230] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:50:40,451 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:50:40,451 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 18:50:40,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470728575] [2023-08-29 18:50:40,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:50:40,451 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 18:50:40,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:50:40,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 18:50:40,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 18:50:40,852 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 512 out of 1110 [2023-08-29 18:50:40,853 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 141 places, 127 transitions, 465 flow. Second operand has 6 states, 6 states have (on average 515.6666666666666) internal successors, (3094), 6 states have internal predecessors, (3094), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:50:40,853 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:50:40,853 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 512 of 1110 [2023-08-29 18:50:40,853 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:50:42,700 INFO L130 PetriNetUnfolder]: 8581/20963 cut-off events. [2023-08-29 18:50:42,700 INFO L131 PetriNetUnfolder]: For 3962/4449 co-relation queries the response was YES. [2023-08-29 18:50:42,892 INFO L83 FinitePrefix]: Finished finitePrefix Result has 41391 conditions, 20963 events. 8581/20963 cut-off events. For 3962/4449 co-relation queries the response was YES. Maximal size of possible extension queue 624. Compared 206750 event pairs, 4671 based on Foata normal form. 98/20527 useless extension candidates. Maximal degree in co-relation 41369. Up to 8878 conditions per place. [2023-08-29 18:50:42,977 INFO L137 encePairwiseOnDemand]: 1104/1110 looper letters, 142 selfloop transitions, 5 changer transitions 0/210 dead transitions. [2023-08-29 18:50:42,977 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 145 places, 210 transitions, 1029 flow [2023-08-29 18:50:42,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 18:50:42,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 18:50:42,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3186 transitions. [2023-08-29 18:50:42,983 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4783783783783784 [2023-08-29 18:50:42,983 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3186 transitions. [2023-08-29 18:50:42,983 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3186 transitions. [2023-08-29 18:50:42,984 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:50:42,984 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3186 transitions. [2023-08-29 18:50:42,987 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 531.0) internal successors, (3186), 6 states have internal predecessors, (3186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:50:42,991 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1110.0) internal successors, (7770), 7 states have internal predecessors, (7770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:50:42,992 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1110.0) internal successors, (7770), 7 states have internal predecessors, (7770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:50:42,992 INFO L175 Difference]: Start difference. First operand has 141 places, 127 transitions, 465 flow. Second operand 6 states and 3186 transitions. [2023-08-29 18:50:42,992 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 145 places, 210 transitions, 1029 flow [2023-08-29 18:50:43,003 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 140 places, 210 transitions, 1001 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-08-29 18:50:43,005 INFO L231 Difference]: Finished difference. Result has 140 places, 126 transitions, 461 flow [2023-08-29 18:50:43,005 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1110, PETRI_DIFFERENCE_MINUEND_FLOW=451, PETRI_DIFFERENCE_MINUEND_PLACES=135, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=126, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=121, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=461, PETRI_PLACES=140, PETRI_TRANSITIONS=126} [2023-08-29 18:50:43,006 INFO L281 CegarLoopForPetriNet]: 146 programPoint places, -6 predicate places. [2023-08-29 18:50:43,006 INFO L495 AbstractCegarLoop]: Abstraction has has 140 places, 126 transitions, 461 flow [2023-08-29 18:50:43,007 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 515.6666666666666) internal successors, (3094), 6 states have internal predecessors, (3094), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:50:43,007 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:50:43,007 INFO L208 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 18:50:43,007 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-08-29 18:50:43,007 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 82 more)] === [2023-08-29 18:50:43,007 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:50:43,008 INFO L85 PathProgramCache]: Analyzing trace with hash -595170214, now seen corresponding path program 1 times [2023-08-29 18:50:43,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:50:43,008 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [302499214] [2023-08-29 18:50:43,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:50:43,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:50:43,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:50:43,454 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-08-29 18:50:43,455 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:50:43,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [302499214] [2023-08-29 18:50:43,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [302499214] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:50:43,455 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:50:43,455 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 18:50:43,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2015029646] [2023-08-29 18:50:43,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:50:43,456 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 18:50:43,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:50:43,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 18:50:43,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 18:50:43,898 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 512 out of 1110 [2023-08-29 18:50:43,900 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 140 places, 126 transitions, 461 flow. Second operand has 6 states, 6 states have (on average 515.1666666666666) internal successors, (3091), 6 states have internal predecessors, (3091), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:50:43,900 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:50:43,900 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 512 of 1110 [2023-08-29 18:50:43,900 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:50:45,852 INFO L130 PetriNetUnfolder]: 9550/22398 cut-off events. [2023-08-29 18:50:45,852 INFO L131 PetriNetUnfolder]: For 4330/4887 co-relation queries the response was YES. [2023-08-29 18:50:45,971 INFO L83 FinitePrefix]: Finished finitePrefix Result has 44469 conditions, 22398 events. 9550/22398 cut-off events. For 4330/4887 co-relation queries the response was YES. Maximal size of possible extension queue 732. Compared 219623 event pairs, 4575 based on Foata normal form. 176/22028 useless extension candidates. Maximal degree in co-relation 44447. Up to 8640 conditions per place. [2023-08-29 18:50:46,029 INFO L137 encePairwiseOnDemand]: 1104/1110 looper letters, 147 selfloop transitions, 5 changer transitions 0/213 dead transitions. [2023-08-29 18:50:46,029 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 144 places, 213 transitions, 1043 flow [2023-08-29 18:50:46,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 18:50:46,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 18:50:46,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3191 transitions. [2023-08-29 18:50:46,033 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.47912912912912914 [2023-08-29 18:50:46,033 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3191 transitions. [2023-08-29 18:50:46,033 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3191 transitions. [2023-08-29 18:50:46,034 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:50:46,034 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3191 transitions. [2023-08-29 18:50:46,036 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 531.8333333333334) internal successors, (3191), 6 states have internal predecessors, (3191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:50:46,040 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1110.0) internal successors, (7770), 7 states have internal predecessors, (7770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:50:46,040 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1110.0) internal successors, (7770), 7 states have internal predecessors, (7770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:50:46,040 INFO L175 Difference]: Start difference. First operand has 140 places, 126 transitions, 461 flow. Second operand 6 states and 3191 transitions. [2023-08-29 18:50:46,040 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 144 places, 213 transitions, 1043 flow [2023-08-29 18:50:46,063 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 139 places, 213 transitions, 1017 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-08-29 18:50:46,065 INFO L231 Difference]: Finished difference. Result has 139 places, 125 transitions, 459 flow [2023-08-29 18:50:46,065 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1110, PETRI_DIFFERENCE_MINUEND_FLOW=449, PETRI_DIFFERENCE_MINUEND_PLACES=134, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=125, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=120, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=459, PETRI_PLACES=139, PETRI_TRANSITIONS=125} [2023-08-29 18:50:46,066 INFO L281 CegarLoopForPetriNet]: 146 programPoint places, -7 predicate places. [2023-08-29 18:50:46,066 INFO L495 AbstractCegarLoop]: Abstraction has has 139 places, 125 transitions, 459 flow [2023-08-29 18:50:46,066 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 515.1666666666666) internal successors, (3091), 6 states have internal predecessors, (3091), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:50:46,067 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:50:46,067 INFO L208 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 18:50:46,067 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-08-29 18:50:46,067 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 82 more)] === [2023-08-29 18:50:46,067 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:50:46,067 INFO L85 PathProgramCache]: Analyzing trace with hash 987525972, now seen corresponding path program 1 times [2023-08-29 18:50:46,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:50:46,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3698561] [2023-08-29 18:50:46,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:50:46,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:50:46,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:50:46,586 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2023-08-29 18:50:46,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:50:46,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [3698561] [2023-08-29 18:50:46,588 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [3698561] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:50:46,588 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:50:46,589 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 18:50:46,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408468503] [2023-08-29 18:50:46,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:50:46,589 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 18:50:46,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:50:46,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 18:50:46,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 18:50:46,982 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 512 out of 1110 [2023-08-29 18:50:46,984 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 139 places, 125 transitions, 459 flow. Second operand has 6 states, 6 states have (on average 515.8333333333334) internal successors, (3095), 6 states have internal predecessors, (3095), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:50:46,984 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:50:46,984 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 512 of 1110 [2023-08-29 18:50:46,984 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:50:49,299 INFO L130 PetriNetUnfolder]: 12243/27038 cut-off events. [2023-08-29 18:50:49,300 INFO L131 PetriNetUnfolder]: For 5125/5180 co-relation queries the response was YES. [2023-08-29 18:50:49,506 INFO L83 FinitePrefix]: Finished finitePrefix Result has 55347 conditions, 27038 events. 12243/27038 cut-off events. For 5125/5180 co-relation queries the response was YES. Maximal size of possible extension queue 676. Compared 257515 event pairs, 4983 based on Foata normal form. 228/26764 useless extension candidates. Maximal degree in co-relation 55325. Up to 9326 conditions per place. [2023-08-29 18:50:49,577 INFO L137 encePairwiseOnDemand]: 1104/1110 looper letters, 151 selfloop transitions, 10 changer transitions 0/216 dead transitions. [2023-08-29 18:50:49,577 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 143 places, 216 transitions, 1045 flow [2023-08-29 18:50:49,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 18:50:49,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 18:50:49,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3196 transitions. [2023-08-29 18:50:49,581 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4798798798798799 [2023-08-29 18:50:49,581 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3196 transitions. [2023-08-29 18:50:49,581 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3196 transitions. [2023-08-29 18:50:49,581 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:50:49,582 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3196 transitions. [2023-08-29 18:50:49,584 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 532.6666666666666) internal successors, (3196), 6 states have internal predecessors, (3196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:50:49,587 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1110.0) internal successors, (7770), 7 states have internal predecessors, (7770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:50:49,588 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1110.0) internal successors, (7770), 7 states have internal predecessors, (7770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:50:49,588 INFO L175 Difference]: Start difference. First operand has 139 places, 125 transitions, 459 flow. Second operand 6 states and 3196 transitions. [2023-08-29 18:50:49,588 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 143 places, 216 transitions, 1045 flow [2023-08-29 18:50:49,640 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 138 places, 216 transitions, 1027 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-08-29 18:50:49,642 INFO L231 Difference]: Finished difference. Result has 138 places, 124 transitions, 465 flow [2023-08-29 18:50:49,642 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1110, PETRI_DIFFERENCE_MINUEND_FLOW=445, PETRI_DIFFERENCE_MINUEND_PLACES=133, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=124, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=114, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=465, PETRI_PLACES=138, PETRI_TRANSITIONS=124} [2023-08-29 18:50:49,643 INFO L281 CegarLoopForPetriNet]: 146 programPoint places, -8 predicate places. [2023-08-29 18:50:49,643 INFO L495 AbstractCegarLoop]: Abstraction has has 138 places, 124 transitions, 465 flow [2023-08-29 18:50:49,643 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 515.8333333333334) internal successors, (3095), 6 states have internal predecessors, (3095), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:50:49,644 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:50:49,644 INFO L208 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 18:50:49,644 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-08-29 18:50:49,644 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 82 more)] === [2023-08-29 18:50:49,644 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:50:49,645 INFO L85 PathProgramCache]: Analyzing trace with hash 44340580, now seen corresponding path program 1 times [2023-08-29 18:50:49,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:50:49,645 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1961430825] [2023-08-29 18:50:49,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:50:49,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:50:49,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:50:50,166 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-08-29 18:50:50,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:50:50,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1961430825] [2023-08-29 18:50:50,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1961430825] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:50:50,167 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:50:50,167 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 18:50:50,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611957633] [2023-08-29 18:50:50,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:50:50,168 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 18:50:50,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:50:50,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 18:50:50,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 18:50:50,568 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 513 out of 1110 [2023-08-29 18:50:50,570 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 138 places, 124 transitions, 465 flow. Second operand has 6 states, 6 states have (on average 517.8333333333334) internal successors, (3107), 6 states have internal predecessors, (3107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:50:50,570 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:50:50,570 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 513 of 1110 [2023-08-29 18:50:50,570 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:50:52,345 INFO L130 PetriNetUnfolder]: 7046/19051 cut-off events. [2023-08-29 18:50:52,345 INFO L131 PetriNetUnfolder]: For 4033/4502 co-relation queries the response was YES. [2023-08-29 18:50:52,437 INFO L83 FinitePrefix]: Finished finitePrefix Result has 36397 conditions, 19051 events. 7046/19051 cut-off events. For 4033/4502 co-relation queries the response was YES. Maximal size of possible extension queue 566. Compared 196547 event pairs, 5047 based on Foata normal form. 86/18575 useless extension candidates. Maximal degree in co-relation 36375. Up to 9576 conditions per place. [2023-08-29 18:50:52,447 INFO L137 encePairwiseOnDemand]: 1105/1110 looper letters, 0 selfloop transitions, 0 changer transitions 159/159 dead transitions. [2023-08-29 18:50:52,447 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 142 places, 159 transitions, 763 flow [2023-08-29 18:50:52,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 18:50:52,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 18:50:52,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3153 transitions. [2023-08-29 18:50:52,452 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4734234234234234 [2023-08-29 18:50:52,452 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3153 transitions. [2023-08-29 18:50:52,452 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3153 transitions. [2023-08-29 18:50:52,453 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:50:52,453 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3153 transitions. [2023-08-29 18:50:52,456 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 525.5) internal successors, (3153), 6 states have internal predecessors, (3153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:50:52,460 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1110.0) internal successors, (7770), 7 states have internal predecessors, (7770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:50:52,460 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1110.0) internal successors, (7770), 7 states have internal predecessors, (7770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:50:52,460 INFO L175 Difference]: Start difference. First operand has 138 places, 124 transitions, 465 flow. Second operand 6 states and 3153 transitions. [2023-08-29 18:50:52,460 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 142 places, 159 transitions, 763 flow [2023-08-29 18:50:52,470 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 137 places, 159 transitions, 743 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-08-29 18:50:52,471 INFO L231 Difference]: Finished difference. Result has 137 places, 0 transitions, 0 flow [2023-08-29 18:50:52,471 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1110, PETRI_DIFFERENCE_MINUEND_FLOW=443, PETRI_DIFFERENCE_MINUEND_PLACES=132, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=123, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=123, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=137, PETRI_TRANSITIONS=0} [2023-08-29 18:50:52,472 INFO L281 CegarLoopForPetriNet]: 146 programPoint places, -9 predicate places. [2023-08-29 18:50:52,472 INFO L495 AbstractCegarLoop]: Abstraction has has 137 places, 0 transitions, 0 flow [2023-08-29 18:50:52,473 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 517.8333333333334) internal successors, (3107), 6 states have internal predecessors, (3107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:50:52,475 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (85 of 86 remaining) [2023-08-29 18:50:52,475 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (84 of 86 remaining) [2023-08-29 18:50:52,475 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (83 of 86 remaining) [2023-08-29 18:50:52,475 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (82 of 86 remaining) [2023-08-29 18:50:52,476 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (81 of 86 remaining) [2023-08-29 18:50:52,476 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (80 of 86 remaining) [2023-08-29 18:50:52,476 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (79 of 86 remaining) [2023-08-29 18:50:52,476 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (78 of 86 remaining) [2023-08-29 18:50:52,476 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (77 of 86 remaining) [2023-08-29 18:50:52,476 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (76 of 86 remaining) [2023-08-29 18:50:52,477 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (75 of 86 remaining) [2023-08-29 18:50:52,477 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (74 of 86 remaining) [2023-08-29 18:50:52,477 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (73 of 86 remaining) [2023-08-29 18:50:52,477 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (72 of 86 remaining) [2023-08-29 18:50:52,477 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (71 of 86 remaining) [2023-08-29 18:50:52,477 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (70 of 86 remaining) [2023-08-29 18:50:52,477 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (69 of 86 remaining) [2023-08-29 18:50:52,478 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (68 of 86 remaining) [2023-08-29 18:50:52,478 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (67 of 86 remaining) [2023-08-29 18:50:52,478 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (66 of 86 remaining) [2023-08-29 18:50:52,478 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (65 of 86 remaining) [2023-08-29 18:50:52,478 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (64 of 86 remaining) [2023-08-29 18:50:52,478 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (63 of 86 remaining) [2023-08-29 18:50:52,479 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (62 of 86 remaining) [2023-08-29 18:50:52,479 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (61 of 86 remaining) [2023-08-29 18:50:52,479 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (60 of 86 remaining) [2023-08-29 18:50:52,479 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (59 of 86 remaining) [2023-08-29 18:50:52,479 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (58 of 86 remaining) [2023-08-29 18:50:52,479 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (57 of 86 remaining) [2023-08-29 18:50:52,479 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (56 of 86 remaining) [2023-08-29 18:50:52,480 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (55 of 86 remaining) [2023-08-29 18:50:52,480 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (54 of 86 remaining) [2023-08-29 18:50:52,480 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (53 of 86 remaining) [2023-08-29 18:50:52,480 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (52 of 86 remaining) [2023-08-29 18:50:52,480 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (51 of 86 remaining) [2023-08-29 18:50:52,480 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (50 of 86 remaining) [2023-08-29 18:50:52,481 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (49 of 86 remaining) [2023-08-29 18:50:52,481 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (48 of 86 remaining) [2023-08-29 18:50:52,481 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (47 of 86 remaining) [2023-08-29 18:50:52,481 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (46 of 86 remaining) [2023-08-29 18:50:52,481 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (45 of 86 remaining) [2023-08-29 18:50:52,481 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (44 of 86 remaining) [2023-08-29 18:50:52,481 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (43 of 86 remaining) [2023-08-29 18:50:52,482 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (42 of 86 remaining) [2023-08-29 18:50:52,482 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (41 of 86 remaining) [2023-08-29 18:50:52,482 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (40 of 86 remaining) [2023-08-29 18:50:52,482 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (39 of 86 remaining) [2023-08-29 18:50:52,482 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (38 of 86 remaining) [2023-08-29 18:50:52,482 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (37 of 86 remaining) [2023-08-29 18:50:52,482 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (36 of 86 remaining) [2023-08-29 18:50:52,483 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (35 of 86 remaining) [2023-08-29 18:50:52,483 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (34 of 86 remaining) [2023-08-29 18:50:52,483 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (33 of 86 remaining) [2023-08-29 18:50:52,483 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (32 of 86 remaining) [2023-08-29 18:50:52,483 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (31 of 86 remaining) [2023-08-29 18:50:52,483 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (30 of 86 remaining) [2023-08-29 18:50:52,484 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (29 of 86 remaining) [2023-08-29 18:50:52,484 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (28 of 86 remaining) [2023-08-29 18:50:52,484 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (27 of 86 remaining) [2023-08-29 18:50:52,484 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (26 of 86 remaining) [2023-08-29 18:50:52,484 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (25 of 86 remaining) [2023-08-29 18:50:52,484 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (24 of 86 remaining) [2023-08-29 18:50:52,484 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (23 of 86 remaining) [2023-08-29 18:50:52,485 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (22 of 86 remaining) [2023-08-29 18:50:52,485 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (21 of 86 remaining) [2023-08-29 18:50:52,485 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (20 of 86 remaining) [2023-08-29 18:50:52,485 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (19 of 86 remaining) [2023-08-29 18:50:52,485 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (18 of 86 remaining) [2023-08-29 18:50:52,485 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (17 of 86 remaining) [2023-08-29 18:50:52,485 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (16 of 86 remaining) [2023-08-29 18:50:52,486 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (15 of 86 remaining) [2023-08-29 18:50:52,486 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (14 of 86 remaining) [2023-08-29 18:50:52,486 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (13 of 86 remaining) [2023-08-29 18:50:52,486 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (12 of 86 remaining) [2023-08-29 18:50:52,486 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (11 of 86 remaining) [2023-08-29 18:50:52,486 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (10 of 86 remaining) [2023-08-29 18:50:52,487 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (9 of 86 remaining) [2023-08-29 18:50:52,487 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (8 of 86 remaining) [2023-08-29 18:50:52,487 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (7 of 86 remaining) [2023-08-29 18:50:52,487 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (6 of 86 remaining) [2023-08-29 18:50:52,487 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (5 of 86 remaining) [2023-08-29 18:50:52,487 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (4 of 86 remaining) [2023-08-29 18:50:52,487 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (3 of 86 remaining) [2023-08-29 18:50:52,488 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (2 of 86 remaining) [2023-08-29 18:50:52,488 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (1 of 86 remaining) [2023-08-29 18:50:52,488 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (0 of 86 remaining) [2023-08-29 18:50:52,488 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-08-29 18:50:52,488 INFO L445 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 18:50:52,493 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-29 18:50:52,493 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-29 18:50:52,496 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 06:50:52 BasicIcfg [2023-08-29 18:50:52,496 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-29 18:50:52,496 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-29 18:50:52,496 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-29 18:50:52,497 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-29 18:50:52,497 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 06:49:55" (3/4) ... [2023-08-29 18:50:52,499 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-29 18:50:52,504 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-08-29 18:50:52,504 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-08-29 18:50:52,504 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2023-08-29 18:50:52,510 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 32 nodes and edges [2023-08-29 18:50:52,510 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-08-29 18:50:52,511 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-08-29 18:50:52,511 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-08-29 18:50:52,561 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-29 18:50:52,566 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-29 18:50:52,567 INFO L158 Benchmark]: Toolchain (without parser) took 58684.14ms. Allocated memory was 71.3MB in the beginning and 3.5GB in the end (delta: 3.4GB). Free memory was 39.6MB in the beginning and 2.5GB in the end (delta: -2.4GB). Peak memory consumption was 955.3MB. Max. memory is 16.1GB. [2023-08-29 18:50:52,567 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 71.3MB. Free memory was 48.4MB in the beginning and 48.3MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 18:50:52,568 INFO L158 Benchmark]: CACSL2BoogieTranslator took 308.53ms. Allocated memory is still 71.3MB. Free memory was 39.6MB in the beginning and 47.9MB in the end (delta: -8.3MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. [2023-08-29 18:50:52,568 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.84ms. Allocated memory is still 71.3MB. Free memory was 47.9MB in the beginning and 43.8MB in the end (delta: 4.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-29 18:50:52,568 INFO L158 Benchmark]: Boogie Preprocessor took 96.12ms. Allocated memory is still 71.3MB. Free memory was 43.8MB in the beginning and 40.4MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-29 18:50:52,569 INFO L158 Benchmark]: RCFGBuilder took 1023.05ms. Allocated memory was 71.3MB in the beginning and 88.1MB in the end (delta: 16.8MB). Free memory was 40.4MB in the beginning and 57.9MB in the end (delta: -17.5MB). Peak memory consumption was 21.4MB. Max. memory is 16.1GB. [2023-08-29 18:50:52,569 INFO L158 Benchmark]: TraceAbstraction took 57122.08ms. Allocated memory was 88.1MB in the beginning and 3.5GB in the end (delta: 3.4GB). Free memory was 57.5MB in the beginning and 2.5GB in the end (delta: -2.4GB). Peak memory consumption was 2.3GB. Max. memory is 16.1GB. [2023-08-29 18:50:52,569 INFO L158 Benchmark]: Witness Printer took 70.26ms. Allocated memory is still 3.5GB. Free memory was 2.5GB in the beginning and 2.5GB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-29 18:50:52,571 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 71.3MB. Free memory was 48.4MB in the beginning and 48.3MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 308.53ms. Allocated memory is still 71.3MB. Free memory was 39.6MB in the beginning and 47.9MB in the end (delta: -8.3MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.84ms. Allocated memory is still 71.3MB. Free memory was 47.9MB in the beginning and 43.8MB in the end (delta: 4.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 96.12ms. Allocated memory is still 71.3MB. Free memory was 43.8MB in the beginning and 40.4MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1023.05ms. Allocated memory was 71.3MB in the beginning and 88.1MB in the end (delta: 16.8MB). Free memory was 40.4MB in the beginning and 57.9MB in the end (delta: -17.5MB). Peak memory consumption was 21.4MB. Max. memory is 16.1GB. * TraceAbstraction took 57122.08ms. Allocated memory was 88.1MB in the beginning and 3.5GB in the end (delta: 3.4GB). Free memory was 57.5MB in the beginning and 2.5GB in the end (delta: -2.4GB). Peak memory consumption was 2.3GB. Max. memory is 16.1GB. * Witness Printer took 70.26ms. Allocated memory is still 3.5GB. Free memory was 2.5GB in the beginning and 2.5GB 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: 11.0s, 520 PlacesBefore, 146 PlacesAfterwards, 541 TransitionsBefore, 143 TransitionsAfterwards, 67830 CoEnabledTransitionPairs, 8 FixpointIterations, 222 TrivialSequentialCompositions, 243 ConcurrentSequentialCompositions, 26 TrivialYvCompositions, 31 ConcurrentYvCompositions, 24 ChoiceCompositions, 546 TotalNumberOfCompositions, 213599 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 87056, independent: 85462, independent conditional: 0, independent unconditional: 85462, dependent: 1594, dependent conditional: 0, dependent unconditional: 1594, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 36110, independent: 35852, independent conditional: 0, independent unconditional: 35852, dependent: 258, dependent conditional: 0, dependent unconditional: 258, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 87056, independent: 49610, independent conditional: 0, independent unconditional: 49610, dependent: 1336, dependent conditional: 0, dependent unconditional: 1336, unknown: 36110, unknown conditional: 0, unknown unconditional: 36110] , Statistics on independence cache: Total cache size (in pairs): 2442, Positive cache size: 2291, Positive conditional cache size: 0, Positive unconditional cache size: 2291, Negative cache size: 151, Negative conditional cache size: 0, Negative unconditional cache size: 151, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: 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: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: 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: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 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 - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 121]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 121]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 121]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 105]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 106]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 108]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 109]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 109]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 109]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 109]: 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, 805 locations, 86 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: 56.9s, OverallIterations: 20, TraceHistogramMax: 5, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 38.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 11.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4681 SdHoareTripleChecker+Valid, 7.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3103 mSDsluCounter, 299 SdHoareTripleChecker+Invalid, 6.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 250 mSDsCounter, 1552 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9887 IncrementalHoareTripleChecker+Invalid, 11439 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1552 mSolverCounterUnsat, 49 mSDtfsCounter, 9887 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 216 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=486occurred in iteration=11, InterpolantAutomatonStates: 98, 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: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 5.3s InterpolantComputationTime, 614 NumberOfCodeBlocks, 602 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 640 ConstructedInterpolants, 0 QuantifiedInterpolants, 1883 SizeOfPredicates, 2 NumberOfNonLiveVariables, 977 ConjunctsInSsa, 36 ConjunctsInUnsatCore, 25 InterpolantComputations, 18 PerfectInterpolantSequences, 529/572 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 50 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-29 18:50:52,608 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