./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 AFTER --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 AFTER --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-29 03:22:07,161 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 03:22:07,163 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 03:22:07,197 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 03:22:07,198 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 03:22:07,199 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 03:22:07,200 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 03:22:07,202 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 03:22:07,204 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 03:22:07,205 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 03:22:07,206 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 03:22:07,207 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 03:22:07,207 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 03:22:07,208 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 03:22:07,209 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 03:22:07,210 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 03:22:07,211 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 03:22:07,212 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 03:22:07,213 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 03:22:07,215 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 03:22:07,216 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 03:22:07,218 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 03:22:07,219 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 03:22:07,220 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 03:22:07,223 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 03:22:07,224 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 03:22:07,224 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 03:22:07,226 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 03:22:07,226 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 03:22:07,227 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 03:22:07,227 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 03:22:07,228 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 03:22:07,229 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 03:22:07,230 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 03:22:07,231 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 03:22:07,231 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 03:22:07,232 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 03:22:07,232 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 03:22:07,232 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 03:22:07,233 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 03:22:07,234 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 03:22:07,235 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-29 03:22:07,256 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 03:22:07,257 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 03:22:07,257 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 03:22:07,257 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 03:22:07,258 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 03:22:07,258 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 03:22:07,259 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 03:22:07,259 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 03:22:07,260 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 03:22:07,260 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 03:22:07,260 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 03:22:07,260 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 03:22:07,260 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-29 03:22:07,261 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 03:22:07,261 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 03:22:07,261 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 03:22:07,261 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 03:22:07,262 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 03:22:07,262 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 03:22:07,262 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 03:22:07,262 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 03:22:07,262 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 03:22:07,263 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 03:22:07,263 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 03:22:07,263 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 03:22:07,264 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 03:22:07,264 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 03:22:07,264 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 03:22:07,264 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 03:22:07,265 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 03:22:07,265 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-29 03:22:07,265 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-29 03:22:07,265 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 03:22:07,265 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 03:22:07,266 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 03:22:07,266 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 03:22:07,266 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 03:22:07,266 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b68e155d55184c39a54e11a2c420443b840324481c8995060134516395f2d120 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> AFTER [2023-08-29 03:22:07,568 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 03:22:07,586 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 03:22:07,589 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 03:22:07,590 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 03:22:07,591 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 03:22:07,592 INFO L432 ainManager$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 03:22:08,760 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 03:22:08,943 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 03:22:08,943 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-chromosome-subst.wvr.c [2023-08-29 03:22:08,954 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af7a29c94/110e0ec5a04c4361baa89aacfc7387d1/FLAG8ba427fdd [2023-08-29 03:22:08,967 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af7a29c94/110e0ec5a04c4361baa89aacfc7387d1 [2023-08-29 03:22:08,969 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 03:22:08,971 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 03:22:08,977 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 03:22:08,977 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 03:22:08,980 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 03:22:08,981 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 03:22:08" (1/1) ... [2023-08-29 03:22:08,984 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20ef73fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:22:08, skipping insertion in model container [2023-08-29 03:22:08,984 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 03:22:08" (1/1) ... [2023-08-29 03:22:08,989 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 03:22:09,007 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 03:22:09,168 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 03:22:09,175 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 03:22:09,183 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 03:22:09,212 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 03:22:09,226 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 03:22:09,242 INFO L208 MainTranslator]: Completed translation [2023-08-29 03:22:09,242 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:22:09 WrapperNode [2023-08-29 03:22:09,243 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 03:22:09,244 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 03:22:09,244 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 03:22:09,244 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 03:22:09,250 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:22:09" (1/1) ... [2023-08-29 03:22:09,271 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:22:09" (1/1) ... [2023-08-29 03:22:09,317 INFO L138 Inliner]: procedures = 26, calls = 47, calls flagged for inlining = 17, calls inlined = 25, statements flattened = 469 [2023-08-29 03:22:09,317 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 03:22:09,318 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 03:22:09,318 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 03:22:09,318 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 03:22:09,328 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:22:09" (1/1) ... [2023-08-29 03:22:09,328 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:22:09" (1/1) ... [2023-08-29 03:22:09,344 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:22:09" (1/1) ... [2023-08-29 03:22:09,349 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:22:09" (1/1) ... [2023-08-29 03:22:09,376 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:22:09" (1/1) ... [2023-08-29 03:22:09,387 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:22:09" (1/1) ... [2023-08-29 03:22:09,391 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:22:09" (1/1) ... [2023-08-29 03:22:09,396 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:22:09" (1/1) ... [2023-08-29 03:22:09,400 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 03:22:09,402 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 03:22:09,403 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 03:22:09,403 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 03:22:09,404 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:22:09" (1/1) ... [2023-08-29 03:22:09,409 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 03:22:09,420 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 03:22:09,442 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 03:22:09,461 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 03:22:09,486 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 03:22:09,486 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 03:22:09,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-29 03:22:09,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-29 03:22:09,487 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-29 03:22:09,487 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-29 03:22:09,487 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-29 03:22:09,488 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-29 03:22:09,488 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-08-29 03:22:09,488 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-08-29 03:22:09,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-29 03:22:09,488 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-29 03:22:09,488 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 03:22:09,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 03:22:09,491 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 03:22:09,493 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 03:22:09,669 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 03:22:09,671 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 03:22:10,298 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 03:22:10,310 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 03:22:10,315 INFO L302 CfgBuilder]: Removed 6 assume(true) statements. [2023-08-29 03:22:10,318 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 03:22:10 BoogieIcfgContainer [2023-08-29 03:22:10,318 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 03:22:10,321 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 03:22:10,321 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 03:22:10,324 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 03:22:10,324 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 03:22:08" (1/3) ... [2023-08-29 03:22:10,325 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d28947d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 03:22:10, skipping insertion in model container [2023-08-29 03:22:10,325 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:22:09" (2/3) ... [2023-08-29 03:22:10,326 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d28947d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 03:22:10, skipping insertion in model container [2023-08-29 03:22:10,326 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 03:22:10" (3/3) ... [2023-08-29 03:22:10,327 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-chromosome-subst.wvr.c [2023-08-29 03:22:10,334 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 03:22:10,342 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 03:22:10,342 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 50 error locations. [2023-08-29 03:22:10,342 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 03:22:10,511 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-08-29 03:22:10,565 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 541 places, 564 transitions, 1152 flow [2023-08-29 03:22:10,799 INFO L130 PetriNetUnfolder]: 33/561 cut-off events. [2023-08-29 03:22:10,799 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2023-08-29 03:22:10,814 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 03:22:10,814 INFO L82 GeneralOperation]: Start removeDead. Operand has 541 places, 564 transitions, 1152 flow [2023-08-29 03:22:10,827 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 520 places, 541 transitions, 1100 flow [2023-08-29 03:22:10,830 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-29 03:22:10,848 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 520 places, 541 transitions, 1100 flow [2023-08-29 03:22:10,852 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 520 places, 541 transitions, 1100 flow [2023-08-29 03:22:10,852 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 520 places, 541 transitions, 1100 flow [2023-08-29 03:22:10,961 INFO L130 PetriNetUnfolder]: 31/541 cut-off events. [2023-08-29 03:22:10,962 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2023-08-29 03:22:10,967 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 03:22:10,998 INFO L119 LiptonReduction]: Number of co-enabled transitions 67830 [2023-08-29 03:22:22,179 INFO L134 LiptonReduction]: Checked pairs total: 213599 [2023-08-29 03:22:22,180 INFO L136 LiptonReduction]: Total number of compositions: 546 [2023-08-29 03:22:22,193 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-29 03:22:22,199 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;@77781f38, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-29 03:22:22,199 INFO L358 AbstractCegarLoop]: Starting to check reachability of 86 error locations. [2023-08-29 03:22:22,202 INFO L130 PetriNetUnfolder]: 1/2 cut-off events. [2023-08-29 03:22:22,202 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 03:22:22,202 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:22:22,203 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2023-08-29 03:22:22,203 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 03:22:22,208 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:22:22,208 INFO L85 PathProgramCache]: Analyzing trace with hash 68158, now seen corresponding path program 1 times [2023-08-29 03:22:22,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:22:22,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875208352] [2023-08-29 03:22:22,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:22:22,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:22:22,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:22:22,452 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 03:22:22,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:22:22,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [875208352] [2023-08-29 03:22:22,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [875208352] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:22:22,453 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:22:22,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-29 03:22:22,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953433954] [2023-08-29 03:22:22,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:22:22,460 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-29 03:22:22,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:22:22,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-29 03:22:22,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-29 03:22:22,494 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 534 out of 1110 [2023-08-29 03:22:22,500 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 03:22:22,504 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:22:22,504 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 534 of 1110 [2023-08-29 03:22:22,505 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:22:23,333 INFO L130 PetriNetUnfolder]: 2104/5933 cut-off events. [2023-08-29 03:22:23,334 INFO L131 PetriNetUnfolder]: For 235/235 co-relation queries the response was YES. [2023-08-29 03:22:23,349 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 03:22:23,383 INFO L137 encePairwiseOnDemand]: 1080/1110 looper letters, 38 selfloop transitions, 0 changer transitions 1/113 dead transitions. [2023-08-29 03:22:23,384 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 118 places, 113 transitions, 322 flow [2023-08-29 03:22:23,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-29 03:22:23,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-29 03:22:23,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 1137 transitions. [2023-08-29 03:22:23,404 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5121621621621621 [2023-08-29 03:22:23,405 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 1137 transitions. [2023-08-29 03:22:23,406 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 1137 transitions. [2023-08-29 03:22:23,409 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:22:23,412 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 1137 transitions. [2023-08-29 03:22:23,417 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 03:22:23,425 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 03:22:23,427 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 03:22:23,429 INFO L175 Difference]: Start difference. First operand has 146 places, 143 transitions, 304 flow. Second operand 2 states and 1137 transitions. [2023-08-29 03:22:23,430 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 118 places, 113 transitions, 322 flow [2023-08-29 03:22:23,435 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 03:22:23,438 INFO L231 Difference]: Finished difference. Result has 112 places, 112 transitions, 229 flow [2023-08-29 03:22:23,440 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 03:22:23,443 INFO L281 CegarLoopForPetriNet]: 146 programPoint places, -34 predicate places. [2023-08-29 03:22:23,444 INFO L495 AbstractCegarLoop]: Abstraction has has 112 places, 112 transitions, 229 flow [2023-08-29 03:22:23,445 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 03:22:23,445 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:22:23,445 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:22:23,445 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-29 03:22:23,446 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 03:22:23,446 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:22:23,446 INFO L85 PathProgramCache]: Analyzing trace with hash 870535373, now seen corresponding path program 1 times [2023-08-29 03:22:23,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:22:23,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1646346773] [2023-08-29 03:22:23,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:22:23,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:22:23,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:22:23,549 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 03:22:23,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:22:23,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1646346773] [2023-08-29 03:22:23,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1646346773] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:22:23,550 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:22:23,551 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 03:22:23,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333806701] [2023-08-29 03:22:23,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:22:23,552 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 03:22:23,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:22:23,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 03:22:23,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 03:22:23,565 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 527 out of 1110 [2023-08-29 03:22:23,567 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 03:22:23,567 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:22:23,567 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 527 of 1110 [2023-08-29 03:22:23,567 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:22:24,365 INFO L130 PetriNetUnfolder]: 2754/7748 cut-off events. [2023-08-29 03:22:24,365 INFO L131 PetriNetUnfolder]: For 48/48 co-relation queries the response was YES. [2023-08-29 03:22:24,380 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 03:22:24,412 INFO L137 encePairwiseOnDemand]: 1106/1110 looper letters, 53 selfloop transitions, 2 changer transitions 0/125 dead transitions. [2023-08-29 03:22:24,413 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 111 places, 125 transitions, 367 flow [2023-08-29 03:22:24,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 03:22:24,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 03:22:24,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1638 transitions. [2023-08-29 03:22:24,417 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4918918918918919 [2023-08-29 03:22:24,417 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1638 transitions. [2023-08-29 03:22:24,417 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1638 transitions. [2023-08-29 03:22:24,418 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:22:24,418 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1638 transitions. [2023-08-29 03:22:24,422 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 03:22:24,428 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 03:22:24,431 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 03:22:24,431 INFO L175 Difference]: Start difference. First operand has 112 places, 112 transitions, 229 flow. Second operand 3 states and 1638 transitions. [2023-08-29 03:22:24,431 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 111 places, 125 transitions, 367 flow [2023-08-29 03:22:24,432 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 03:22:24,434 INFO L231 Difference]: Finished difference. Result has 112 places, 112 transitions, 239 flow [2023-08-29 03:22:24,434 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 03:22:24,435 INFO L281 CegarLoopForPetriNet]: 146 programPoint places, -34 predicate places. [2023-08-29 03:22:24,435 INFO L495 AbstractCegarLoop]: Abstraction has has 112 places, 112 transitions, 239 flow [2023-08-29 03:22:24,436 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 03:22:24,436 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:22:24,437 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:22:24,437 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-29 03:22:24,437 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 03:22:24,437 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:22:24,438 INFO L85 PathProgramCache]: Analyzing trace with hash -933534370, now seen corresponding path program 1 times [2023-08-29 03:22:24,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:22:24,438 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [825532368] [2023-08-29 03:22:24,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:22:24,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:22:24,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:22:24,490 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 03:22:24,490 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:22:24,490 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [825532368] [2023-08-29 03:22:24,490 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [825532368] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:22:24,491 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:22:24,491 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 03:22:24,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232683828] [2023-08-29 03:22:24,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:22:24,491 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 03:22:24,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:22:24,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 03:22:24,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 03:22:24,502 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 527 out of 1110 [2023-08-29 03:22:24,504 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 03:22:24,505 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:22:24,505 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 527 of 1110 [2023-08-29 03:22:24,505 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:22:25,204 INFO L130 PetriNetUnfolder]: 2539/6286 cut-off events. [2023-08-29 03:22:25,206 INFO L131 PetriNetUnfolder]: For 68/157 co-relation queries the response was YES. [2023-08-29 03:22:25,221 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 03:22:25,244 INFO L137 encePairwiseOnDemand]: 1106/1110 looper letters, 52 selfloop transitions, 2 changer transitions 0/125 dead transitions. [2023-08-29 03:22:25,245 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 112 places, 125 transitions, 375 flow [2023-08-29 03:22:25,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 03:22:25,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 03:22:25,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1637 transitions. [2023-08-29 03:22:25,249 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4915915915915916 [2023-08-29 03:22:25,249 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1637 transitions. [2023-08-29 03:22:25,250 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1637 transitions. [2023-08-29 03:22:25,250 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:22:25,251 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1637 transitions. [2023-08-29 03:22:25,254 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 03:22:25,259 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 03:22:25,262 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 03:22:25,262 INFO L175 Difference]: Start difference. First operand has 112 places, 112 transitions, 239 flow. Second operand 3 states and 1637 transitions. [2023-08-29 03:22:25,262 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 112 places, 125 transitions, 375 flow [2023-08-29 03:22:25,264 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 03:22:25,267 INFO L231 Difference]: Finished difference. Result has 113 places, 112 transitions, 249 flow [2023-08-29 03:22:25,267 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 03:22:25,268 INFO L281 CegarLoopForPetriNet]: 146 programPoint places, -33 predicate places. [2023-08-29 03:22:25,271 INFO L495 AbstractCegarLoop]: Abstraction has has 113 places, 112 transitions, 249 flow [2023-08-29 03:22:25,272 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 03:22:25,273 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:22:25,273 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:22:25,273 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-29 03:22:25,273 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 03:22:25,274 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:22:25,274 INFO L85 PathProgramCache]: Analyzing trace with hash 522414409, now seen corresponding path program 1 times [2023-08-29 03:22:25,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:22:25,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365505169] [2023-08-29 03:22:25,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:22:25,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:22:25,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:22:25,379 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 03:22:25,380 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:22:25,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365505169] [2023-08-29 03:22:25,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [365505169] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:22:25,380 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:22:25,381 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 03:22:25,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2003010669] [2023-08-29 03:22:25,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:22:25,381 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 03:22:25,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:22:25,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 03:22:25,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 03:22:25,394 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 527 out of 1110 [2023-08-29 03:22:25,396 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 03:22:25,396 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:22:25,398 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 527 of 1110 [2023-08-29 03:22:25,399 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:22:26,479 INFO L130 PetriNetUnfolder]: 4185/12010 cut-off events. [2023-08-29 03:22:26,480 INFO L131 PetriNetUnfolder]: For 288/304 co-relation queries the response was YES. [2023-08-29 03:22:26,524 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 03:22:26,576 INFO L137 encePairwiseOnDemand]: 1106/1110 looper letters, 67 selfloop transitions, 2 changer transitions 0/138 dead transitions. [2023-08-29 03:22:26,577 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 113 places, 138 transitions, 448 flow [2023-08-29 03:22:26,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 03:22:26,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 03:22:26,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1650 transitions. [2023-08-29 03:22:26,581 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4954954954954955 [2023-08-29 03:22:26,582 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1650 transitions. [2023-08-29 03:22:26,582 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1650 transitions. [2023-08-29 03:22:26,583 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:22:26,583 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1650 transitions. [2023-08-29 03:22:26,586 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 03:22:26,592 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 03:22:26,594 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 03:22:26,594 INFO L175 Difference]: Start difference. First operand has 113 places, 112 transitions, 249 flow. Second operand 3 states and 1650 transitions. [2023-08-29 03:22:26,595 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 113 places, 138 transitions, 448 flow [2023-08-29 03:22:26,596 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 03:22:26,598 INFO L231 Difference]: Finished difference. Result has 114 places, 112 transitions, 259 flow [2023-08-29 03:22:26,598 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 03:22:26,599 INFO L281 CegarLoopForPetriNet]: 146 programPoint places, -32 predicate places. [2023-08-29 03:22:26,599 INFO L495 AbstractCegarLoop]: Abstraction has has 114 places, 112 transitions, 259 flow [2023-08-29 03:22:26,600 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 03:22:26,600 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:22:26,600 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:22:26,601 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-29 03:22:26,601 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 03:22:26,601 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:22:26,601 INFO L85 PathProgramCache]: Analyzing trace with hash -1720985751, now seen corresponding path program 1 times [2023-08-29 03:22:26,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:22:26,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284716147] [2023-08-29 03:22:26,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:22:26,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:22:26,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:22:26,640 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 03:22:26,640 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:22:26,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [284716147] [2023-08-29 03:22:26,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [284716147] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:22:26,641 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:22:26,641 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 03:22:26,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77057738] [2023-08-29 03:22:26,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:22:26,642 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 03:22:26,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:22:26,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 03:22:26,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 03:22:26,652 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 527 out of 1110 [2023-08-29 03:22:26,654 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 03:22:26,655 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:22:26,655 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 527 of 1110 [2023-08-29 03:22:26,655 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:22:27,489 INFO L130 PetriNetUnfolder]: 3449/8619 cut-off events. [2023-08-29 03:22:27,489 INFO L131 PetriNetUnfolder]: For 647/706 co-relation queries the response was YES. [2023-08-29 03:22:27,521 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 03:22:27,560 INFO L137 encePairwiseOnDemand]: 1106/1110 looper letters, 56 selfloop transitions, 2 changer transitions 0/127 dead transitions. [2023-08-29 03:22:27,560 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 114 places, 127 transitions, 417 flow [2023-08-29 03:22:27,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 03:22:27,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 03:22:27,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1636 transitions. [2023-08-29 03:22:27,565 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4912912912912913 [2023-08-29 03:22:27,565 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1636 transitions. [2023-08-29 03:22:27,565 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1636 transitions. [2023-08-29 03:22:27,566 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:22:27,566 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1636 transitions. [2023-08-29 03:22:27,569 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 03:22:27,575 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 03:22:27,577 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 03:22:27,577 INFO L175 Difference]: Start difference. First operand has 114 places, 112 transitions, 259 flow. Second operand 3 states and 1636 transitions. [2023-08-29 03:22:27,577 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 114 places, 127 transitions, 417 flow [2023-08-29 03:22:27,579 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 03:22:27,580 INFO L231 Difference]: Finished difference. Result has 115 places, 112 transitions, 269 flow [2023-08-29 03:22:27,581 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 03:22:27,582 INFO L281 CegarLoopForPetriNet]: 146 programPoint places, -31 predicate places. [2023-08-29 03:22:27,582 INFO L495 AbstractCegarLoop]: Abstraction has has 115 places, 112 transitions, 269 flow [2023-08-29 03:22:27,583 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 03:22:27,583 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:22:27,583 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:22:27,583 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-29 03:22:27,584 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 03:22:27,584 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:22:27,584 INFO L85 PathProgramCache]: Analyzing trace with hash -904364389, now seen corresponding path program 1 times [2023-08-29 03:22:27,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:22:27,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1190061055] [2023-08-29 03:22:27,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:22:27,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:22:27,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:22:27,936 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 03:22:27,936 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:22:27,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1190061055] [2023-08-29 03:22:27,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1190061055] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:22:27,937 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:22:27,937 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 03:22:27,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497753813] [2023-08-29 03:22:27,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:22:27,938 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 03:22:27,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:22:27,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 03:22:27,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 03:22:28,342 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 513 out of 1110 [2023-08-29 03:22:28,345 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 03:22:28,345 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:22:28,346 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 513 of 1110 [2023-08-29 03:22:28,346 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:22:29,786 INFO L130 PetriNetUnfolder]: 10077/16682 cut-off events. [2023-08-29 03:22:29,786 INFO L131 PetriNetUnfolder]: For 2721/2721 co-relation queries the response was YES. [2023-08-29 03:22:29,950 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 03:22:30,036 INFO L137 encePairwiseOnDemand]: 1105/1110 looper letters, 147 selfloop transitions, 4 changer transitions 0/215 dead transitions. [2023-08-29 03:22:30,037 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 119 places, 215 transitions, 877 flow [2023-08-29 03:22:30,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 03:22:30,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 03:22:30,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3205 transitions. [2023-08-29 03:22:30,046 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.48123123123123124 [2023-08-29 03:22:30,046 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3205 transitions. [2023-08-29 03:22:30,046 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3205 transitions. [2023-08-29 03:22:30,048 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:22:30,049 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3205 transitions. [2023-08-29 03:22:30,055 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 03:22:30,065 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 03:22:30,079 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 03:22:30,080 INFO L175 Difference]: Start difference. First operand has 115 places, 112 transitions, 269 flow. Second operand 6 states and 3205 transitions. [2023-08-29 03:22:30,080 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 119 places, 215 transitions, 877 flow [2023-08-29 03:22:30,083 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 03:22:30,086 INFO L231 Difference]: Finished difference. Result has 119 places, 111 transitions, 275 flow [2023-08-29 03:22:30,086 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 03:22:30,089 INFO L281 CegarLoopForPetriNet]: 146 programPoint places, -27 predicate places. [2023-08-29 03:22:30,090 INFO L495 AbstractCegarLoop]: Abstraction has has 119 places, 111 transitions, 275 flow [2023-08-29 03:22:30,092 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 03:22:30,092 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:22:30,092 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:22:30,093 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-29 03:22:30,093 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 03:22:30,093 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:22:30,093 INFO L85 PathProgramCache]: Analyzing trace with hash 752888914, now seen corresponding path program 1 times [2023-08-29 03:22:30,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:22:30,094 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1242116564] [2023-08-29 03:22:30,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:22:30,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:22:30,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:22:30,137 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 03:22:30,137 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:22:30,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1242116564] [2023-08-29 03:22:30,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1242116564] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:22:30,138 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:22:30,139 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 03:22:30,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161851124] [2023-08-29 03:22:30,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:22:30,139 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 03:22:30,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:22:30,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 03:22:30,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 03:22:30,150 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 527 out of 1110 [2023-08-29 03:22:30,151 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 03:22:30,152 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:22:30,152 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 527 of 1110 [2023-08-29 03:22:30,152 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:22:31,327 INFO L130 PetriNetUnfolder]: 5207/12408 cut-off events. [2023-08-29 03:22:31,328 INFO L131 PetriNetUnfolder]: For 2091/2120 co-relation queries the response was YES. [2023-08-29 03:22:31,358 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 03:22:31,408 INFO L137 encePairwiseOnDemand]: 1106/1110 looper letters, 74 selfloop transitions, 2 changer transitions 0/140 dead transitions. [2023-08-29 03:22:31,408 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 119 places, 140 transitions, 513 flow [2023-08-29 03:22:31,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 03:22:31,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 03:22:31,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1650 transitions. [2023-08-29 03:22:31,413 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4954954954954955 [2023-08-29 03:22:31,413 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1650 transitions. [2023-08-29 03:22:31,413 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1650 transitions. [2023-08-29 03:22:31,414 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:22:31,414 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1650 transitions. [2023-08-29 03:22:31,417 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 03:22:31,421 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 03:22:31,422 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 03:22:31,422 INFO L175 Difference]: Start difference. First operand has 119 places, 111 transitions, 275 flow. Second operand 3 states and 1650 transitions. [2023-08-29 03:22:31,422 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 119 places, 140 transitions, 513 flow [2023-08-29 03:22:31,430 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 03:22:31,432 INFO L231 Difference]: Finished difference. Result has 116 places, 111 transitions, 278 flow [2023-08-29 03:22:31,432 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 03:22:31,434 INFO L281 CegarLoopForPetriNet]: 146 programPoint places, -30 predicate places. [2023-08-29 03:22:31,434 INFO L495 AbstractCegarLoop]: Abstraction has has 116 places, 111 transitions, 278 flow [2023-08-29 03:22:31,438 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 03:22:31,438 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:22:31,438 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 03:22:31,438 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-08-29 03:22:31,438 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 03:22:31,439 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:22:31,439 INFO L85 PathProgramCache]: Analyzing trace with hash -1564430222, now seen corresponding path program 1 times [2023-08-29 03:22:31,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:22:31,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305335670] [2023-08-29 03:22:31,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:22:31,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:22:31,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:22:31,524 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 03:22:31,524 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:22:31,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305335670] [2023-08-29 03:22:31,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1305335670] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:22:31,525 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:22:31,525 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-29 03:22:31,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1829738245] [2023-08-29 03:22:31,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:22:31,526 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 03:22:31,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:22:31,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 03:22:31,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 03:22:31,598 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 522 out of 1110 [2023-08-29 03:22:31,600 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 03:22:31,600 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:22:31,600 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 522 of 1110 [2023-08-29 03:22:31,600 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:22:32,555 INFO L130 PetriNetUnfolder]: 4647/12005 cut-off events. [2023-08-29 03:22:32,555 INFO L131 PetriNetUnfolder]: For 1300/1651 co-relation queries the response was YES. [2023-08-29 03:22:32,579 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 03:22:32,620 INFO L137 encePairwiseOnDemand]: 1103/1110 looper letters, 41 selfloop transitions, 6 changer transitions 0/114 dead transitions. [2023-08-29 03:22:32,620 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 118 places, 114 transitions, 378 flow [2023-08-29 03:22:32,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 03:22:32,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 03:22:32,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1610 transitions. [2023-08-29 03:22:32,625 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.48348348348348347 [2023-08-29 03:22:32,625 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1610 transitions. [2023-08-29 03:22:32,625 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1610 transitions. [2023-08-29 03:22:32,626 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:22:32,626 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1610 transitions. [2023-08-29 03:22:32,628 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 03:22:32,633 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 03:22:32,633 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 03:22:32,634 INFO L175 Difference]: Start difference. First operand has 116 places, 111 transitions, 278 flow. Second operand 3 states and 1610 transitions. [2023-08-29 03:22:32,634 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 118 places, 114 transitions, 378 flow [2023-08-29 03:22:32,636 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 03:22:32,637 INFO L231 Difference]: Finished difference. Result has 119 places, 114 transitions, 310 flow [2023-08-29 03:22:32,637 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 03:22:32,638 INFO L281 CegarLoopForPetriNet]: 146 programPoint places, -27 predicate places. [2023-08-29 03:22:32,638 INFO L495 AbstractCegarLoop]: Abstraction has has 119 places, 114 transitions, 310 flow [2023-08-29 03:22:32,639 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 03:22:32,639 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:22:32,639 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 03:22:32,639 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-08-29 03:22:32,639 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 03:22:32,640 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:22:32,640 INFO L85 PathProgramCache]: Analyzing trace with hash 2034071251, now seen corresponding path program 1 times [2023-08-29 03:22:32,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:22:32,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867045339] [2023-08-29 03:22:32,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:22:32,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:22:32,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:22:32,712 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 03:22:32,712 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:22:32,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1867045339] [2023-08-29 03:22:32,712 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1867045339] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-29 03:22:32,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1037841697] [2023-08-29 03:22:32,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:22:32,713 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-29 03:22:32,714 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 03:22:32,721 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 03:22:32,724 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 03:22:32,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:22:32,847 INFO L263 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 5 conjunts are in the unsatisfiable core [2023-08-29 03:22:32,852 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-08-29 03:22:32,926 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 03:22:32,926 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-08-29 03:22:32,957 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 03:22:32,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1037841697] provided 0 perfect and 2 imperfect interpolant sequences [2023-08-29 03:22:32,958 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-08-29 03:22:32,958 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 7 [2023-08-29 03:22:32,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [549999970] [2023-08-29 03:22:32,958 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-08-29 03:22:32,958 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-08-29 03:22:32,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:22:32,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-08-29 03:22:32,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2023-08-29 03:22:33,202 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 516 out of 1110 [2023-08-29 03:22:33,204 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 03:22:33,204 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:22:33,205 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 516 of 1110 [2023-08-29 03:22:33,205 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:22:34,402 INFO L130 PetriNetUnfolder]: 4647/12014 cut-off events. [2023-08-29 03:22:34,403 INFO L131 PetriNetUnfolder]: For 1300/1651 co-relation queries the response was YES. [2023-08-29 03:22:34,424 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 03:22:34,450 INFO L137 encePairwiseOnDemand]: 1103/1110 looper letters, 41 selfloop transitions, 15 changer transitions 0/123 dead transitions. [2023-08-29 03:22:34,450 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 124 places, 123 transitions, 458 flow [2023-08-29 03:22:34,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 03:22:34,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 03:22:34,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3155 transitions. [2023-08-29 03:22:34,459 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.47372372372372373 [2023-08-29 03:22:34,459 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3155 transitions. [2023-08-29 03:22:34,459 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3155 transitions. [2023-08-29 03:22:34,461 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:22:34,461 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3155 transitions. [2023-08-29 03:22:34,466 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 03:22:34,474 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 03:22:34,476 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 03:22:34,476 INFO L175 Difference]: Start difference. First operand has 119 places, 114 transitions, 310 flow. Second operand 6 states and 3155 transitions. [2023-08-29 03:22:34,476 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 124 places, 123 transitions, 458 flow [2023-08-29 03:22:34,478 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 03:22:34,480 INFO L231 Difference]: Finished difference. Result has 126 places, 123 transitions, 400 flow [2023-08-29 03:22:34,480 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 03:22:34,481 INFO L281 CegarLoopForPetriNet]: 146 programPoint places, -20 predicate places. [2023-08-29 03:22:34,481 INFO L495 AbstractCegarLoop]: Abstraction has has 126 places, 123 transitions, 400 flow [2023-08-29 03:22:34,482 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 03:22:34,482 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:22:34,482 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 03:22:34,491 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 03:22:34,688 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 03:22:34,688 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 03:22:34,689 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:22:34,689 INFO L85 PathProgramCache]: Analyzing trace with hash -1482302158, now seen corresponding path program 2 times [2023-08-29 03:22:34,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:22:34,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1251883381] [2023-08-29 03:22:34,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:22:34,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:22:34,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:22:34,897 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 03:22:34,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:22:34,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1251883381] [2023-08-29 03:22:34,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1251883381] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-29 03:22:34,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [568739312] [2023-08-29 03:22:34,899 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-08-29 03:22:34,899 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-29 03:22:34,899 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 03:22:34,900 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 03:22:34,925 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 03:22:35,039 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-08-29 03:22:35,039 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-08-29 03:22:35,041 INFO L263 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 23 conjunts are in the unsatisfiable core [2023-08-29 03:22:35,045 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-08-29 03:22:35,151 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 03:22:35,180 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 03:22:35,217 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-08-29 03:22:35,217 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 03:22:35,257 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-08-29 03:22:35,258 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 03:22:35,283 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 03:22:35,284 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-08-29 03:22:35,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [568739312] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:22:35,284 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-08-29 03:22:35,284 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 14 [2023-08-29 03:22:35,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372377059] [2023-08-29 03:22:35,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:22:35,285 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-08-29 03:22:35,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:22:35,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-08-29 03:22:35,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2023-08-29 03:22:35,868 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 506 out of 1110 [2023-08-29 03:22:35,871 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 03:22:35,871 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:22:35,871 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 506 of 1110 [2023-08-29 03:22:35,871 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:22:38,010 INFO L130 PetriNetUnfolder]: 9101/18439 cut-off events. [2023-08-29 03:22:38,011 INFO L131 PetriNetUnfolder]: For 2174/2882 co-relation queries the response was YES. [2023-08-29 03:22:38,136 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 03:22:38,198 INFO L137 encePairwiseOnDemand]: 1102/1110 looper letters, 183 selfloop transitions, 7 changer transitions 0/251 dead transitions. [2023-08-29 03:22:38,198 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 133 places, 251 transitions, 1138 flow [2023-08-29 03:22:38,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-08-29 03:22:38,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2023-08-29 03:22:38,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 4205 transitions. [2023-08-29 03:22:38,208 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.47353603603603606 [2023-08-29 03:22:38,209 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 4205 transitions. [2023-08-29 03:22:38,209 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 4205 transitions. [2023-08-29 03:22:38,213 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:22:38,213 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 4205 transitions. [2023-08-29 03:22:38,225 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 03:22:38,240 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 03:22:38,242 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 03:22:38,242 INFO L175 Difference]: Start difference. First operand has 126 places, 123 transitions, 400 flow. Second operand 8 states and 4205 transitions. [2023-08-29 03:22:38,242 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 133 places, 251 transitions, 1138 flow [2023-08-29 03:22:38,246 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 03:22:38,248 INFO L231 Difference]: Finished difference. Result has 137 places, 128 transitions, 422 flow [2023-08-29 03:22:38,249 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 03:22:38,250 INFO L281 CegarLoopForPetriNet]: 146 programPoint places, -9 predicate places. [2023-08-29 03:22:38,250 INFO L495 AbstractCegarLoop]: Abstraction has has 137 places, 128 transitions, 422 flow [2023-08-29 03:22:38,251 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 03:22:38,251 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:22:38,251 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 03:22:38,259 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 03:22:38,456 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 03:22:38,457 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 03:22:38,457 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:22:38,457 INFO L85 PathProgramCache]: Analyzing trace with hash 873124882, now seen corresponding path program 1 times [2023-08-29 03:22:38,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:22:38,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [237936515] [2023-08-29 03:22:38,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:22:38,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:22:38,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:22:38,736 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 03:22:38,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:22:38,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [237936515] [2023-08-29 03:22:38,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [237936515] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-29 03:22:38,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1577771296] [2023-08-29 03:22:38,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:22:38,737 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-29 03:22:38,737 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 03:22:38,738 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 03:22:38,741 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 03:22:38,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:22:38,916 INFO L263 TraceCheckSpWp]: Trace formula consists of 468 conjuncts, 8 conjunts are in the unsatisfiable core [2023-08-29 03:22:38,918 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-08-29 03:22:38,986 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 03:22:38,986 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-08-29 03:22:39,057 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 03:22:39,058 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1577771296] provided 0 perfect and 2 imperfect interpolant sequences [2023-08-29 03:22:39,058 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-08-29 03:22:39,058 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 17 [2023-08-29 03:22:39,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805524469] [2023-08-29 03:22:39,058 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-08-29 03:22:39,060 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-08-29 03:22:39,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:22:39,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-08-29 03:22:39,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=166, Unknown=0, NotChecked=0, Total=272 [2023-08-29 03:22:39,518 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 516 out of 1110 [2023-08-29 03:22:39,524 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 03:22:39,524 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:22:39,524 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 516 of 1110 [2023-08-29 03:22:39,524 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:22:41,033 INFO L130 PetriNetUnfolder]: 5126/14391 cut-off events. [2023-08-29 03:22:41,034 INFO L131 PetriNetUnfolder]: For 2403/2802 co-relation queries the response was YES. [2023-08-29 03:22:41,138 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 03:22:41,190 INFO L137 encePairwiseOnDemand]: 1103/1110 looper letters, 42 selfloop transitions, 18 changer transitions 0/131 dead transitions. [2023-08-29 03:22:41,191 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 143 places, 131 transitions, 560 flow [2023-08-29 03:22:41,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-08-29 03:22:41,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2023-08-29 03:22:41,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 3668 transitions. [2023-08-29 03:22:41,199 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4720720720720721 [2023-08-29 03:22:41,200 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 3668 transitions. [2023-08-29 03:22:41,200 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 3668 transitions. [2023-08-29 03:22:41,202 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:22:41,202 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 3668 transitions. [2023-08-29 03:22:41,208 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 03:22:41,218 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 03:22:41,219 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 03:22:41,219 INFO L175 Difference]: Start difference. First operand has 137 places, 128 transitions, 422 flow. Second operand 7 states and 3668 transitions. [2023-08-29 03:22:41,220 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 143 places, 131 transitions, 560 flow [2023-08-29 03:22:41,227 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 03:22:41,229 INFO L231 Difference]: Finished difference. Result has 142 places, 131 transitions, 486 flow [2023-08-29 03:22:41,229 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 03:22:41,230 INFO L281 CegarLoopForPetriNet]: 146 programPoint places, -4 predicate places. [2023-08-29 03:22:41,230 INFO L495 AbstractCegarLoop]: Abstraction has has 142 places, 131 transitions, 486 flow [2023-08-29 03:22:41,231 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 03:22:41,232 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:22:41,232 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 03:22:41,240 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 03:22:41,437 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 03:22:41,438 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 03:22:41,438 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:22:41,438 INFO L85 PathProgramCache]: Analyzing trace with hash 879507379, now seen corresponding path program 2 times [2023-08-29 03:22:41,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:22:41,438 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717839571] [2023-08-29 03:22:41,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:22:41,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:22:41,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:22:42,070 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 03:22:42,071 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:22:42,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717839571] [2023-08-29 03:22:42,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [717839571] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:22:42,071 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:22:42,071 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 03:22:42,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532480787] [2023-08-29 03:22:42,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:22:42,072 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 03:22:42,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:22:42,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 03:22:42,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 03:22:42,537 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 512 out of 1110 [2023-08-29 03:22:42,539 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 03:22:42,539 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:22:42,539 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 512 of 1110 [2023-08-29 03:22:42,539 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:22:44,494 INFO L130 PetriNetUnfolder]: 8456/19941 cut-off events. [2023-08-29 03:22:44,495 INFO L131 PetriNetUnfolder]: For 3335/3831 co-relation queries the response was YES. [2023-08-29 03:22:44,583 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 03:22:44,643 INFO L137 encePairwiseOnDemand]: 1104/1110 looper letters, 148 selfloop transitions, 5 changer transitions 0/218 dead transitions. [2023-08-29 03:22:44,643 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 146 places, 218 transitions, 1054 flow [2023-08-29 03:22:44,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 03:22:44,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 03:22:44,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3192 transitions. [2023-08-29 03:22:44,649 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.47927927927927927 [2023-08-29 03:22:44,649 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3192 transitions. [2023-08-29 03:22:44,649 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3192 transitions. [2023-08-29 03:22:44,651 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:22:44,651 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3192 transitions. [2023-08-29 03:22:44,655 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 03:22:44,660 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 03:22:44,661 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 03:22:44,662 INFO L175 Difference]: Start difference. First operand has 142 places, 131 transitions, 486 flow. Second operand 6 states and 3192 transitions. [2023-08-29 03:22:44,662 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 146 places, 218 transitions, 1054 flow [2023-08-29 03:22:44,669 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 03:22:44,671 INFO L231 Difference]: Finished difference. Result has 142 places, 130 transitions, 458 flow [2023-08-29 03:22:44,671 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 03:22:44,673 INFO L281 CegarLoopForPetriNet]: 146 programPoint places, -4 predicate places. [2023-08-29 03:22:44,673 INFO L495 AbstractCegarLoop]: Abstraction has has 142 places, 130 transitions, 458 flow [2023-08-29 03:22:44,674 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 03:22:44,674 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:22:44,674 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 03:22:44,674 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-08-29 03:22:44,674 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 03:22:44,675 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:22:44,675 INFO L85 PathProgramCache]: Analyzing trace with hash 1488385206, now seen corresponding path program 1 times [2023-08-29 03:22:44,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:22:44,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192244066] [2023-08-29 03:22:44,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:22:44,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:22:44,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:22:45,225 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 03:22:45,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:22:45,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [192244066] [2023-08-29 03:22:45,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [192244066] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:22:45,226 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:22:45,226 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 03:22:45,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798630648] [2023-08-29 03:22:45,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:22:45,228 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 03:22:45,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:22:45,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 03:22:45,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 03:22:45,654 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 512 out of 1110 [2023-08-29 03:22:45,656 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 03:22:45,656 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:22:45,656 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 512 of 1110 [2023-08-29 03:22:45,656 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:22:47,323 INFO L130 PetriNetUnfolder]: 7531/17181 cut-off events. [2023-08-29 03:22:47,324 INFO L131 PetriNetUnfolder]: For 3248/3662 co-relation queries the response was YES. [2023-08-29 03:22:47,372 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 03:22:47,414 INFO L137 encePairwiseOnDemand]: 1104/1110 looper letters, 144 selfloop transitions, 5 changer transitions 0/213 dead transitions. [2023-08-29 03:22:47,414 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 146 places, 213 transitions, 1018 flow [2023-08-29 03:22:47,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 03:22:47,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 03:22:47,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3188 transitions. [2023-08-29 03:22:47,420 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4786786786786787 [2023-08-29 03:22:47,420 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3188 transitions. [2023-08-29 03:22:47,421 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3188 transitions. [2023-08-29 03:22:47,422 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:22:47,422 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3188 transitions. [2023-08-29 03:22:47,427 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 03:22:47,432 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 03:22:47,433 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 03:22:47,433 INFO L175 Difference]: Start difference. First operand has 142 places, 130 transitions, 458 flow. Second operand 6 states and 3188 transitions. [2023-08-29 03:22:47,433 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 146 places, 213 transitions, 1018 flow [2023-08-29 03:22:47,443 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 03:22:47,445 INFO L231 Difference]: Finished difference. Result has 141 places, 129 transitions, 456 flow [2023-08-29 03:22:47,445 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 03:22:47,446 INFO L281 CegarLoopForPetriNet]: 146 programPoint places, -5 predicate places. [2023-08-29 03:22:47,446 INFO L495 AbstractCegarLoop]: Abstraction has has 141 places, 129 transitions, 456 flow [2023-08-29 03:22:47,447 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 03:22:47,447 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:22:47,447 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 03:22:47,447 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-08-29 03:22:47,448 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 03:22:47,448 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:22:47,448 INFO L85 PathProgramCache]: Analyzing trace with hash -901920010, now seen corresponding path program 1 times [2023-08-29 03:22:47,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:22:47,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133724708] [2023-08-29 03:22:47,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:22:47,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:22:47,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:22:47,544 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 03:22:47,544 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:22:47,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133724708] [2023-08-29 03:22:47,544 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1133724708] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:22:47,545 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:22:47,545 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 03:22:47,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542697090] [2023-08-29 03:22:47,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:22:47,546 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 03:22:47,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:22:47,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 03:22:47,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 03:22:47,554 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 527 out of 1110 [2023-08-29 03:22:47,556 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 03:22:47,556 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:22:47,556 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 527 of 1110 [2023-08-29 03:22:47,556 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:22:49,397 INFO L130 PetriNetUnfolder]: 9309/21783 cut-off events. [2023-08-29 03:22:49,397 INFO L131 PetriNetUnfolder]: For 3756/4269 co-relation queries the response was YES. [2023-08-29 03:22:49,549 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 03:22:49,621 INFO L137 encePairwiseOnDemand]: 1106/1110 looper letters, 93 selfloop transitions, 2 changer transitions 0/158 dead transitions. [2023-08-29 03:22:49,621 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 141 places, 158 transitions, 737 flow [2023-08-29 03:22:49,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 03:22:49,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 03:22:49,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1651 transitions. [2023-08-29 03:22:49,623 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4957957957957958 [2023-08-29 03:22:49,624 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1651 transitions. [2023-08-29 03:22:49,624 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1651 transitions. [2023-08-29 03:22:49,625 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:22:49,625 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1651 transitions. [2023-08-29 03:22:49,627 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 03:22:49,630 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 03:22:49,630 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 03:22:49,631 INFO L175 Difference]: Start difference. First operand has 141 places, 129 transitions, 456 flow. Second operand 3 states and 1651 transitions. [2023-08-29 03:22:49,631 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 141 places, 158 transitions, 737 flow [2023-08-29 03:22:49,647 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 03:22:49,649 INFO L231 Difference]: Finished difference. Result has 137 places, 129 transitions, 456 flow [2023-08-29 03:22:49,649 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 03:22:49,650 INFO L281 CegarLoopForPetriNet]: 146 programPoint places, -9 predicate places. [2023-08-29 03:22:49,650 INFO L495 AbstractCegarLoop]: Abstraction has has 137 places, 129 transitions, 456 flow [2023-08-29 03:22:49,650 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 03:22:49,650 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:22:49,650 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 03:22:49,651 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-08-29 03:22:49,651 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 03:22:49,651 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:22:49,651 INFO L85 PathProgramCache]: Analyzing trace with hash -972674838, now seen corresponding path program 1 times [2023-08-29 03:22:49,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:22:49,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575226581] [2023-08-29 03:22:49,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:22:49,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:22:49,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:22:50,204 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 03:22:50,204 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:22:50,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [575226581] [2023-08-29 03:22:50,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [575226581] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:22:50,205 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:22:50,205 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 03:22:50,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064863503] [2023-08-29 03:22:50,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:22:50,206 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 03:22:50,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:22:50,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 03:22:50,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 03:22:50,589 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 513 out of 1110 [2023-08-29 03:22:50,590 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 03:22:50,590 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:22:50,590 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 513 of 1110 [2023-08-29 03:22:50,590 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:22:52,480 INFO L130 PetriNetUnfolder]: 8632/21429 cut-off events. [2023-08-29 03:22:52,480 INFO L131 PetriNetUnfolder]: For 3133/3562 co-relation queries the response was YES. [2023-08-29 03:22:52,661 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 03:22:52,754 INFO L137 encePairwiseOnDemand]: 1105/1110 looper letters, 136 selfloop transitions, 4 changer transitions 0/204 dead transitions. [2023-08-29 03:22:52,755 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 141 places, 204 transitions, 966 flow [2023-08-29 03:22:52,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 03:22:52,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 03:22:52,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3181 transitions. [2023-08-29 03:22:52,761 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4776276276276276 [2023-08-29 03:22:52,761 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3181 transitions. [2023-08-29 03:22:52,761 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3181 transitions. [2023-08-29 03:22:52,762 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:22:52,762 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3181 transitions. [2023-08-29 03:22:52,767 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 03:22:52,772 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 03:22:52,772 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 03:22:52,773 INFO L175 Difference]: Start difference. First operand has 137 places, 129 transitions, 456 flow. Second operand 6 states and 3181 transitions. [2023-08-29 03:22:52,773 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 141 places, 204 transitions, 966 flow [2023-08-29 03:22:52,781 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 03:22:52,783 INFO L231 Difference]: Finished difference. Result has 141 places, 128 transitions, 462 flow [2023-08-29 03:22:52,784 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 03:22:52,784 INFO L281 CegarLoopForPetriNet]: 146 programPoint places, -5 predicate places. [2023-08-29 03:22:52,784 INFO L495 AbstractCegarLoop]: Abstraction has has 141 places, 128 transitions, 462 flow [2023-08-29 03:22:52,785 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 03:22:52,785 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:22:52,785 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 03:22:52,785 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-08-29 03:22:52,785 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 03:22:52,786 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:22:52,786 INFO L85 PathProgramCache]: Analyzing trace with hash -1676596678, now seen corresponding path program 1 times [2023-08-29 03:22:52,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:22:52,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360176164] [2023-08-29 03:22:52,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:22:52,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:22:52,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:22:53,276 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 03:22:53,276 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:22:53,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360176164] [2023-08-29 03:22:53,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [360176164] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:22:53,277 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:22:53,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 03:22:53,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694040464] [2023-08-29 03:22:53,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:22:53,278 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 03:22:53,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:22:53,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 03:22:53,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 03:22:53,659 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 512 out of 1110 [2023-08-29 03:22:53,661 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 03:22:53,661 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:22:53,661 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 512 of 1110 [2023-08-29 03:22:53,661 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:22:55,923 INFO L130 PetriNetUnfolder]: 11178/24709 cut-off events. [2023-08-29 03:22:55,924 INFO L131 PetriNetUnfolder]: For 3227/3610 co-relation queries the response was YES. [2023-08-29 03:22:56,099 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 03:22:56,197 INFO L137 encePairwiseOnDemand]: 1104/1110 looper letters, 146 selfloop transitions, 6 changer transitions 0/215 dead transitions. [2023-08-29 03:22:56,197 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 145 places, 215 transitions, 1004 flow [2023-08-29 03:22:56,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 03:22:56,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 03:22:56,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3195 transitions. [2023-08-29 03:22:56,203 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4797297297297297 [2023-08-29 03:22:56,203 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3195 transitions. [2023-08-29 03:22:56,203 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3195 transitions. [2023-08-29 03:22:56,204 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:22:56,204 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3195 transitions. [2023-08-29 03:22:56,207 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 03:22:56,211 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 03:22:56,212 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 03:22:56,212 INFO L175 Difference]: Start difference. First operand has 141 places, 128 transitions, 462 flow. Second operand 6 states and 3195 transitions. [2023-08-29 03:22:56,212 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 145 places, 215 transitions, 1004 flow [2023-08-29 03:22:56,225 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 03:22:56,227 INFO L231 Difference]: Finished difference. Result has 141 places, 127 transitions, 465 flow [2023-08-29 03:22:56,227 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 03:22:56,228 INFO L281 CegarLoopForPetriNet]: 146 programPoint places, -5 predicate places. [2023-08-29 03:22:56,228 INFO L495 AbstractCegarLoop]: Abstraction has has 141 places, 127 transitions, 465 flow [2023-08-29 03:22:56,228 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 03:22:56,228 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:22:56,229 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 03:22:56,229 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-08-29 03:22:56,229 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 03:22:56,229 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:22:56,229 INFO L85 PathProgramCache]: Analyzing trace with hash -660779989, now seen corresponding path program 1 times [2023-08-29 03:22:56,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:22:56,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [300482067] [2023-08-29 03:22:56,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:22:56,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:22:56,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:22:56,720 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 03:22:56,720 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:22:56,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [300482067] [2023-08-29 03:22:56,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [300482067] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:22:56,721 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:22:56,721 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 03:22:56,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358451164] [2023-08-29 03:22:56,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:22:56,722 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 03:22:56,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:22:56,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 03:22:56,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 03:22:57,147 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 512 out of 1110 [2023-08-29 03:22:57,149 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 03:22:57,149 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:22:57,149 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 512 of 1110 [2023-08-29 03:22:57,149 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:22:59,199 INFO L130 PetriNetUnfolder]: 8581/20963 cut-off events. [2023-08-29 03:22:59,200 INFO L131 PetriNetUnfolder]: For 3962/4449 co-relation queries the response was YES. [2023-08-29 03:22:59,282 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 03:22:59,353 INFO L137 encePairwiseOnDemand]: 1104/1110 looper letters, 142 selfloop transitions, 5 changer transitions 0/210 dead transitions. [2023-08-29 03:22:59,353 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 145 places, 210 transitions, 1029 flow [2023-08-29 03:22:59,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 03:22:59,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 03:22:59,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3186 transitions. [2023-08-29 03:22:59,358 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4783783783783784 [2023-08-29 03:22:59,359 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3186 transitions. [2023-08-29 03:22:59,359 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3186 transitions. [2023-08-29 03:22:59,360 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:22:59,360 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3186 transitions. [2023-08-29 03:22:59,363 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 03:22:59,367 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 03:22:59,368 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 03:22:59,368 INFO L175 Difference]: Start difference. First operand has 141 places, 127 transitions, 465 flow. Second operand 6 states and 3186 transitions. [2023-08-29 03:22:59,368 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 145 places, 210 transitions, 1029 flow [2023-08-29 03:22:59,378 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 03:22:59,380 INFO L231 Difference]: Finished difference. Result has 140 places, 126 transitions, 461 flow [2023-08-29 03:22:59,380 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 03:22:59,381 INFO L281 CegarLoopForPetriNet]: 146 programPoint places, -6 predicate places. [2023-08-29 03:22:59,381 INFO L495 AbstractCegarLoop]: Abstraction has has 140 places, 126 transitions, 461 flow [2023-08-29 03:22:59,382 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 03:22:59,382 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:22:59,382 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 03:22:59,382 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-08-29 03:22:59,382 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 03:22:59,382 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:22:59,383 INFO L85 PathProgramCache]: Analyzing trace with hash -595170214, now seen corresponding path program 1 times [2023-08-29 03:22:59,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:22:59,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1196909116] [2023-08-29 03:22:59,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:22:59,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:22:59,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:22:59,842 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 03:22:59,842 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:22:59,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1196909116] [2023-08-29 03:22:59,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1196909116] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:22:59,842 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:22:59,843 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 03:22:59,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361512362] [2023-08-29 03:22:59,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:22:59,843 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 03:22:59,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:22:59,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 03:22:59,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 03:23:00,288 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 512 out of 1110 [2023-08-29 03:23:00,290 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 03:23:00,290 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:23:00,290 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 512 of 1110 [2023-08-29 03:23:00,290 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:23:02,696 INFO L130 PetriNetUnfolder]: 9550/22398 cut-off events. [2023-08-29 03:23:02,696 INFO L131 PetriNetUnfolder]: For 4330/4887 co-relation queries the response was YES. [2023-08-29 03:23:02,811 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 03:23:02,867 INFO L137 encePairwiseOnDemand]: 1104/1110 looper letters, 147 selfloop transitions, 5 changer transitions 0/213 dead transitions. [2023-08-29 03:23:02,867 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 144 places, 213 transitions, 1043 flow [2023-08-29 03:23:02,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 03:23:02,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 03:23:02,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3191 transitions. [2023-08-29 03:23:02,871 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.47912912912912914 [2023-08-29 03:23:02,871 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3191 transitions. [2023-08-29 03:23:02,872 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3191 transitions. [2023-08-29 03:23:02,872 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:23:02,872 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3191 transitions. [2023-08-29 03:23:02,876 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 03:23:02,881 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 03:23:02,882 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 03:23:02,882 INFO L175 Difference]: Start difference. First operand has 140 places, 126 transitions, 461 flow. Second operand 6 states and 3191 transitions. [2023-08-29 03:23:02,882 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 144 places, 213 transitions, 1043 flow [2023-08-29 03:23:02,904 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 03:23:02,906 INFO L231 Difference]: Finished difference. Result has 139 places, 125 transitions, 459 flow [2023-08-29 03:23:02,906 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 03:23:02,907 INFO L281 CegarLoopForPetriNet]: 146 programPoint places, -7 predicate places. [2023-08-29 03:23:02,907 INFO L495 AbstractCegarLoop]: Abstraction has has 139 places, 125 transitions, 459 flow [2023-08-29 03:23:02,908 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 03:23:02,908 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:23:02,908 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 03:23:02,908 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-08-29 03:23:02,908 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 03:23:02,908 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:23:02,909 INFO L85 PathProgramCache]: Analyzing trace with hash 987525972, now seen corresponding path program 1 times [2023-08-29 03:23:02,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:23:02,909 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438423186] [2023-08-29 03:23:02,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:23:02,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:23:02,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:23:03,446 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 03:23:03,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:23:03,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [438423186] [2023-08-29 03:23:03,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [438423186] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:23:03,449 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:23:03,449 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 03:23:03,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1566654815] [2023-08-29 03:23:03,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:23:03,450 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 03:23:03,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:23:03,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 03:23:03,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 03:23:03,859 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 512 out of 1110 [2023-08-29 03:23:03,861 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 03:23:03,861 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:23:03,861 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 512 of 1110 [2023-08-29 03:23:03,861 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:23:06,506 INFO L130 PetriNetUnfolder]: 12243/27038 cut-off events. [2023-08-29 03:23:06,506 INFO L131 PetriNetUnfolder]: For 5125/5180 co-relation queries the response was YES. [2023-08-29 03:23:06,711 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 03:23:06,786 INFO L137 encePairwiseOnDemand]: 1104/1110 looper letters, 151 selfloop transitions, 10 changer transitions 0/216 dead transitions. [2023-08-29 03:23:06,786 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 143 places, 216 transitions, 1045 flow [2023-08-29 03:23:06,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 03:23:06,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 03:23:06,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3196 transitions. [2023-08-29 03:23:06,790 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4798798798798799 [2023-08-29 03:23:06,790 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3196 transitions. [2023-08-29 03:23:06,790 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3196 transitions. [2023-08-29 03:23:06,791 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:23:06,791 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3196 transitions. [2023-08-29 03:23:06,794 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 03:23:06,799 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 03:23:06,799 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 03:23:06,799 INFO L175 Difference]: Start difference. First operand has 139 places, 125 transitions, 459 flow. Second operand 6 states and 3196 transitions. [2023-08-29 03:23:06,800 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 143 places, 216 transitions, 1045 flow [2023-08-29 03:23:06,852 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 03:23:06,854 INFO L231 Difference]: Finished difference. Result has 138 places, 124 transitions, 465 flow [2023-08-29 03:23:06,854 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 03:23:06,855 INFO L281 CegarLoopForPetriNet]: 146 programPoint places, -8 predicate places. [2023-08-29 03:23:06,855 INFO L495 AbstractCegarLoop]: Abstraction has has 138 places, 124 transitions, 465 flow [2023-08-29 03:23:06,856 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 03:23:06,856 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:23:06,856 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 03:23:06,856 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-08-29 03:23:06,856 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 03:23:06,857 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:23:06,857 INFO L85 PathProgramCache]: Analyzing trace with hash 44340580, now seen corresponding path program 1 times [2023-08-29 03:23:06,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:23:06,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331375980] [2023-08-29 03:23:06,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:23:06,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:23:06,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:23:07,387 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 03:23:07,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:23:07,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [331375980] [2023-08-29 03:23:07,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [331375980] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:23:07,388 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:23:07,388 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 03:23:07,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135515268] [2023-08-29 03:23:07,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:23:07,390 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 03:23:07,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:23:07,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 03:23:07,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 03:23:07,772 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 513 out of 1110 [2023-08-29 03:23:07,774 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 03:23:07,774 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:23:07,774 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 513 of 1110 [2023-08-29 03:23:07,774 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:23:09,473 INFO L130 PetriNetUnfolder]: 7046/19051 cut-off events. [2023-08-29 03:23:09,473 INFO L131 PetriNetUnfolder]: For 4033/4502 co-relation queries the response was YES. [2023-08-29 03:23:09,568 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 03:23:09,580 INFO L137 encePairwiseOnDemand]: 1105/1110 looper letters, 0 selfloop transitions, 0 changer transitions 159/159 dead transitions. [2023-08-29 03:23:09,580 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 142 places, 159 transitions, 763 flow [2023-08-29 03:23:09,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 03:23:09,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 03:23:09,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3153 transitions. [2023-08-29 03:23:09,584 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4734234234234234 [2023-08-29 03:23:09,584 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3153 transitions. [2023-08-29 03:23:09,584 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3153 transitions. [2023-08-29 03:23:09,585 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:23:09,585 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3153 transitions. [2023-08-29 03:23:09,588 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 03:23:09,592 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 03:23:09,593 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 03:23:09,593 INFO L175 Difference]: Start difference. First operand has 138 places, 124 transitions, 465 flow. Second operand 6 states and 3153 transitions. [2023-08-29 03:23:09,593 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 142 places, 159 transitions, 763 flow [2023-08-29 03:23:09,604 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 03:23:09,605 INFO L231 Difference]: Finished difference. Result has 137 places, 0 transitions, 0 flow [2023-08-29 03:23:09,605 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 03:23:09,606 INFO L281 CegarLoopForPetriNet]: 146 programPoint places, -9 predicate places. [2023-08-29 03:23:09,606 INFO L495 AbstractCegarLoop]: Abstraction has has 137 places, 0 transitions, 0 flow [2023-08-29 03:23:09,606 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 03:23:09,609 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (85 of 86 remaining) [2023-08-29 03:23:09,609 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (84 of 86 remaining) [2023-08-29 03:23:09,609 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (83 of 86 remaining) [2023-08-29 03:23:09,609 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (82 of 86 remaining) [2023-08-29 03:23:09,610 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (81 of 86 remaining) [2023-08-29 03:23:09,610 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (80 of 86 remaining) [2023-08-29 03:23:09,610 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (79 of 86 remaining) [2023-08-29 03:23:09,610 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (78 of 86 remaining) [2023-08-29 03:23:09,610 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (77 of 86 remaining) [2023-08-29 03:23:09,610 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (76 of 86 remaining) [2023-08-29 03:23:09,610 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (75 of 86 remaining) [2023-08-29 03:23:09,611 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (74 of 86 remaining) [2023-08-29 03:23:09,611 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (73 of 86 remaining) [2023-08-29 03:23:09,611 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (72 of 86 remaining) [2023-08-29 03:23:09,611 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (71 of 86 remaining) [2023-08-29 03:23:09,611 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (70 of 86 remaining) [2023-08-29 03:23:09,611 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (69 of 86 remaining) [2023-08-29 03:23:09,612 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (68 of 86 remaining) [2023-08-29 03:23:09,612 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (67 of 86 remaining) [2023-08-29 03:23:09,612 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (66 of 86 remaining) [2023-08-29 03:23:09,612 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (65 of 86 remaining) [2023-08-29 03:23:09,612 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (64 of 86 remaining) [2023-08-29 03:23:09,612 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (63 of 86 remaining) [2023-08-29 03:23:09,612 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (62 of 86 remaining) [2023-08-29 03:23:09,613 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (61 of 86 remaining) [2023-08-29 03:23:09,613 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (60 of 86 remaining) [2023-08-29 03:23:09,613 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (59 of 86 remaining) [2023-08-29 03:23:09,613 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (58 of 86 remaining) [2023-08-29 03:23:09,613 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (57 of 86 remaining) [2023-08-29 03:23:09,613 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (56 of 86 remaining) [2023-08-29 03:23:09,613 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (55 of 86 remaining) [2023-08-29 03:23:09,614 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (54 of 86 remaining) [2023-08-29 03:23:09,614 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (53 of 86 remaining) [2023-08-29 03:23:09,614 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (52 of 86 remaining) [2023-08-29 03:23:09,614 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (51 of 86 remaining) [2023-08-29 03:23:09,614 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (50 of 86 remaining) [2023-08-29 03:23:09,614 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (49 of 86 remaining) [2023-08-29 03:23:09,615 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (48 of 86 remaining) [2023-08-29 03:23:09,615 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (47 of 86 remaining) [2023-08-29 03:23:09,615 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (46 of 86 remaining) [2023-08-29 03:23:09,615 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (45 of 86 remaining) [2023-08-29 03:23:09,615 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (44 of 86 remaining) [2023-08-29 03:23:09,615 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (43 of 86 remaining) [2023-08-29 03:23:09,615 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (42 of 86 remaining) [2023-08-29 03:23:09,616 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (41 of 86 remaining) [2023-08-29 03:23:09,616 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (40 of 86 remaining) [2023-08-29 03:23:09,616 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (39 of 86 remaining) [2023-08-29 03:23:09,616 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (38 of 86 remaining) [2023-08-29 03:23:09,616 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (37 of 86 remaining) [2023-08-29 03:23:09,616 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (36 of 86 remaining) [2023-08-29 03:23:09,616 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (35 of 86 remaining) [2023-08-29 03:23:09,617 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (34 of 86 remaining) [2023-08-29 03:23:09,617 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (33 of 86 remaining) [2023-08-29 03:23:09,617 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (32 of 86 remaining) [2023-08-29 03:23:09,617 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (31 of 86 remaining) [2023-08-29 03:23:09,617 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (30 of 86 remaining) [2023-08-29 03:23:09,617 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (29 of 86 remaining) [2023-08-29 03:23:09,618 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (28 of 86 remaining) [2023-08-29 03:23:09,618 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (27 of 86 remaining) [2023-08-29 03:23:09,618 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (26 of 86 remaining) [2023-08-29 03:23:09,618 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (25 of 86 remaining) [2023-08-29 03:23:09,618 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (24 of 86 remaining) [2023-08-29 03:23:09,618 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (23 of 86 remaining) [2023-08-29 03:23:09,618 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (22 of 86 remaining) [2023-08-29 03:23:09,619 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (21 of 86 remaining) [2023-08-29 03:23:09,619 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (20 of 86 remaining) [2023-08-29 03:23:09,619 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (19 of 86 remaining) [2023-08-29 03:23:09,619 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (18 of 86 remaining) [2023-08-29 03:23:09,619 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (17 of 86 remaining) [2023-08-29 03:23:09,619 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (16 of 86 remaining) [2023-08-29 03:23:09,619 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (15 of 86 remaining) [2023-08-29 03:23:09,620 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (14 of 86 remaining) [2023-08-29 03:23:09,620 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (13 of 86 remaining) [2023-08-29 03:23:09,620 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (12 of 86 remaining) [2023-08-29 03:23:09,620 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (11 of 86 remaining) [2023-08-29 03:23:09,620 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (10 of 86 remaining) [2023-08-29 03:23:09,620 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (9 of 86 remaining) [2023-08-29 03:23:09,621 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (8 of 86 remaining) [2023-08-29 03:23:09,621 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (7 of 86 remaining) [2023-08-29 03:23:09,621 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (6 of 86 remaining) [2023-08-29 03:23:09,621 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (5 of 86 remaining) [2023-08-29 03:23:09,621 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (4 of 86 remaining) [2023-08-29 03:23:09,621 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (3 of 86 remaining) [2023-08-29 03:23:09,621 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (2 of 86 remaining) [2023-08-29 03:23:09,622 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (1 of 86 remaining) [2023-08-29 03:23:09,622 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (0 of 86 remaining) [2023-08-29 03:23:09,622 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-08-29 03:23:09,622 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 03:23:09,627 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-29 03:23:09,628 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-29 03:23:09,631 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 03:23:09 BasicIcfg [2023-08-29 03:23:09,631 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-29 03:23:09,631 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-29 03:23:09,631 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-29 03:23:09,631 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-29 03:23:09,632 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 03:22:10" (3/4) ... [2023-08-29 03:23:09,634 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-29 03:23:09,638 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-08-29 03:23:09,639 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-08-29 03:23:09,639 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2023-08-29 03:23:09,644 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 32 nodes and edges [2023-08-29 03:23:09,645 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-08-29 03:23:09,645 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-08-29 03:23:09,646 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-08-29 03:23:09,685 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-29 03:23:09,685 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-29 03:23:09,686 INFO L158 Benchmark]: Toolchain (without parser) took 60715.07ms. Allocated memory was 75.5MB in the beginning and 4.5GB in the end (delta: 4.5GB). Free memory was 44.2MB in the beginning and 3.4GB in the end (delta: -3.4GB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. [2023-08-29 03:23:09,686 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 54.5MB. Free memory was 32.1MB in the beginning and 32.0MB in the end (delta: 37.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 03:23:09,686 INFO L158 Benchmark]: CACSL2BoogieTranslator took 265.90ms. Allocated memory is still 75.5MB. Free memory was 43.9MB in the beginning and 48.6MB in the end (delta: -4.8MB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB. [2023-08-29 03:23:09,687 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.74ms. Allocated memory is still 75.5MB. Free memory was 48.6MB in the beginning and 44.6MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-29 03:23:09,687 INFO L158 Benchmark]: Boogie Preprocessor took 83.04ms. Allocated memory is still 75.5MB. Free memory was 44.6MB in the beginning and 41.3MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-29 03:23:09,687 INFO L158 Benchmark]: RCFGBuilder took 915.63ms. Allocated memory is still 75.5MB. Free memory was 41.3MB in the beginning and 43.2MB in the end (delta: -2.0MB). Peak memory consumption was 18.0MB. Max. memory is 16.1GB. [2023-08-29 03:23:09,687 INFO L158 Benchmark]: TraceAbstraction took 59309.86ms. Allocated memory was 75.5MB in the beginning and 4.5GB in the end (delta: 4.5GB). Free memory was 42.7MB in the beginning and 3.4GB in the end (delta: -3.4GB). Peak memory consumption was 1.7GB. Max. memory is 16.1GB. [2023-08-29 03:23:09,688 INFO L158 Benchmark]: Witness Printer took 54.11ms. Allocated memory is still 4.5GB. Free memory was 3.4GB in the beginning and 3.4GB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-08-29 03:23:09,689 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 54.5MB. Free memory was 32.1MB in the beginning and 32.0MB in the end (delta: 37.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 265.90ms. Allocated memory is still 75.5MB. Free memory was 43.9MB in the beginning and 48.6MB in the end (delta: -4.8MB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.74ms. Allocated memory is still 75.5MB. Free memory was 48.6MB in the beginning and 44.6MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 83.04ms. Allocated memory is still 75.5MB. Free memory was 44.6MB in the beginning and 41.3MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 915.63ms. Allocated memory is still 75.5MB. Free memory was 41.3MB in the beginning and 43.2MB in the end (delta: -2.0MB). Peak memory consumption was 18.0MB. Max. memory is 16.1GB. * TraceAbstraction took 59309.86ms. Allocated memory was 75.5MB in the beginning and 4.5GB in the end (delta: 4.5GB). Free memory was 42.7MB in the beginning and 3.4GB in the end (delta: -3.4GB). Peak memory consumption was 1.7GB. Max. memory is 16.1GB. * Witness Printer took 54.11ms. Allocated memory is still 4.5GB. Free memory was 3.4GB in the beginning and 3.4GB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 11.3s, 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: 59.1s, OverallIterations: 20, TraceHistogramMax: 5, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 39.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 11.6s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4681 SdHoareTripleChecker+Valid, 7.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3103 mSDsluCounter, 299 SdHoareTripleChecker+Invalid, 6.4s 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, 5.5s 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 03:23:09,710 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