./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/weaver/chl-node-symm.wvr.c --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations TOGETHER --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version b8dbc81d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/weaver/chl-node-symm.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 514e162b13bdcbe99106b4f79e5a61b8afdae9b478788e06b35106cd952df62f --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations TOGETHER --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-29 18:52:34,104 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 18:52:34,107 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 18:52:34,147 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 18:52:34,148 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 18:52:34,155 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 18:52:34,156 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 18:52:34,159 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 18:52:34,161 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 18:52:34,167 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 18:52:34,167 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 18:52:34,168 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 18:52:34,168 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 18:52:34,170 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 18:52:34,171 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 18:52:34,173 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 18:52:34,174 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 18:52:34,174 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 18:52:34,177 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 18:52:34,180 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 18:52:34,192 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 18:52:34,194 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 18:52:34,195 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 18:52:34,195 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 18:52:34,198 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 18:52:34,201 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 18:52:34,201 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 18:52:34,202 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 18:52:34,203 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 18:52:34,204 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 18:52:34,204 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 18:52:34,205 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 18:52:34,206 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 18:52:34,207 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 18:52:34,208 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 18:52:34,209 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 18:52:34,210 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 18:52:34,210 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 18:52:34,210 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 18:52:34,212 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 18:52:34,213 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 18:52:34,215 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-29 18:52:34,244 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 18:52:34,244 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 18:52:34,245 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 18:52:34,245 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 18:52:34,246 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 18:52:34,246 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 18:52:34,247 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 18:52:34,247 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 18:52:34,247 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 18:52:34,248 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 18:52:34,248 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 18:52:34,249 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 18:52:34,249 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-29 18:52:34,249 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 18:52:34,249 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 18:52:34,249 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 18:52:34,250 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 18:52:34,250 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 18:52:34,250 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 18:52:34,250 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 18:52:34,250 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 18:52:34,251 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 18:52:34,251 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 18:52:34,251 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 18:52:34,251 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 18:52:34,251 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 18:52:34,252 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 18:52:34,252 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 18:52:34,252 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 18:52:34,252 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 18:52:34,252 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-29 18:52:34,253 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-29 18:52:34,253 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 18:52:34,253 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 18:52:34,253 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 18:52:34,254 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 18:52:34,254 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 18:52:34,254 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 514e162b13bdcbe99106b4f79e5a61b8afdae9b478788e06b35106cd952df62f Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> TOGETHER [2023-08-29 18:52:34,547 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 18:52:34,564 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 18:52:34,566 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 18:52:34,567 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 18:52:34,567 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 18:52:34,569 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-node-symm.wvr.c [2023-08-29 18:52:35,704 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 18:52:35,966 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 18:52:35,967 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-node-symm.wvr.c [2023-08-29 18:52:35,973 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4de90f409/8fb95559e3fc4da7a35520b7f6a441b9/FLAG67445ce5e [2023-08-29 18:52:35,985 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4de90f409/8fb95559e3fc4da7a35520b7f6a441b9 [2023-08-29 18:52:35,987 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 18:52:35,988 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 18:52:35,989 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 18:52:35,990 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 18:52:35,993 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 18:52:35,994 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 06:52:35" (1/1) ... [2023-08-29 18:52:35,995 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71bb8910 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:52:35, skipping insertion in model container [2023-08-29 18:52:35,997 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 06:52:35" (1/1) ... [2023-08-29 18:52:36,003 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 18:52:36,018 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 18:52:36,215 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-node-symm.wvr.c[3305,3318] [2023-08-29 18:52:36,244 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 18:52:36,255 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 18:52:36,299 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-node-symm.wvr.c[3305,3318] [2023-08-29 18:52:36,323 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 18:52:36,342 INFO L208 MainTranslator]: Completed translation [2023-08-29 18:52:36,342 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:52:36 WrapperNode [2023-08-29 18:52:36,342 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 18:52:36,344 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 18:52:36,344 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 18:52:36,344 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 18:52:36,351 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:52:36" (1/1) ... [2023-08-29 18:52:36,373 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:52:36" (1/1) ... [2023-08-29 18:52:36,426 INFO L138 Inliner]: procedures = 26, calls = 50, calls flagged for inlining = 18, calls inlined = 24, statements flattened = 554 [2023-08-29 18:52:36,433 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 18:52:36,434 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 18:52:36,435 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 18:52:36,435 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 18:52:36,443 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:52:36" (1/1) ... [2023-08-29 18:52:36,443 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:52:36" (1/1) ... [2023-08-29 18:52:36,457 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:52:36" (1/1) ... [2023-08-29 18:52:36,460 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:52:36" (1/1) ... [2023-08-29 18:52:36,494 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:52:36" (1/1) ... [2023-08-29 18:52:36,504 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:52:36" (1/1) ... [2023-08-29 18:52:36,506 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:52:36" (1/1) ... [2023-08-29 18:52:36,517 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:52:36" (1/1) ... [2023-08-29 18:52:36,522 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 18:52:36,528 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 18:52:36,529 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 18:52:36,529 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 18:52:36,530 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:52:36" (1/1) ... [2023-08-29 18:52:36,535 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 18:52:36,546 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 18:52:36,563 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-08-29 18:52:36,586 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-29 18:52:36,600 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 18:52:36,600 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 18:52:36,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-29 18:52:36,602 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-29 18:52:36,602 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-29 18:52:36,602 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-29 18:52:36,602 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-29 18:52:36,602 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-29 18:52:36,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-29 18:52:36,603 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-29 18:52:36,603 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 18:52:36,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 18:52:36,603 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 18:52:36,605 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-29 18:52:36,776 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 18:52:36,778 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 18:52:37,674 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 18:52:37,695 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 18:52:37,696 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-08-29 18:52:37,699 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 06:52:37 BoogieIcfgContainer [2023-08-29 18:52:37,699 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 18:52:37,703 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 18:52:37,703 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 18:52:37,706 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 18:52:37,706 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 06:52:35" (1/3) ... [2023-08-29 18:52:37,707 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6abdb666 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 06:52:37, skipping insertion in model container [2023-08-29 18:52:37,707 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:52:36" (2/3) ... [2023-08-29 18:52:37,708 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6abdb666 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 06:52:37, skipping insertion in model container [2023-08-29 18:52:37,708 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 06:52:37" (3/3) ... [2023-08-29 18:52:37,709 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-node-symm.wvr.c [2023-08-29 18:52:37,716 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 18:52:37,725 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 18:52:37,725 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 80 error locations. [2023-08-29 18:52:37,725 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 18:52:37,885 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-29 18:52:37,943 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 660 places, 686 transitions, 1388 flow [2023-08-29 18:52:38,196 INFO L130 PetriNetUnfolder]: 33/684 cut-off events. [2023-08-29 18:52:38,196 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-29 18:52:38,210 INFO L83 FinitePrefix]: Finished finitePrefix Result has 693 conditions, 684 events. 33/684 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 1141 event pairs, 0 based on Foata normal form. 0/571 useless extension candidates. Maximal degree in co-relation 483. Up to 2 conditions per place. [2023-08-29 18:52:38,210 INFO L82 GeneralOperation]: Start removeDead. Operand has 660 places, 686 transitions, 1388 flow [2023-08-29 18:52:38,223 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 640 places, 664 transitions, 1340 flow [2023-08-29 18:52:38,227 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-29 18:52:38,247 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 640 places, 664 transitions, 1340 flow [2023-08-29 18:52:38,251 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 640 places, 664 transitions, 1340 flow [2023-08-29 18:52:38,252 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 640 places, 664 transitions, 1340 flow [2023-08-29 18:52:38,387 INFO L130 PetriNetUnfolder]: 31/664 cut-off events. [2023-08-29 18:52:38,387 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-29 18:52:38,392 INFO L83 FinitePrefix]: Finished finitePrefix Result has 673 conditions, 664 events. 31/664 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 1126 event pairs, 0 based on Foata normal form. 0/554 useless extension candidates. Maximal degree in co-relation 483. Up to 2 conditions per place. [2023-08-29 18:52:38,417 INFO L119 LiptonReduction]: Number of co-enabled transitions 52268 [2023-08-29 18:52:52,913 INFO L134 LiptonReduction]: Checked pairs total: 369664 [2023-08-29 18:52:52,914 INFO L136 LiptonReduction]: Total number of compositions: 664 [2023-08-29 18:52:52,927 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-29 18:52:52,932 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;@685f73b0, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-29 18:52:52,932 INFO L358 AbstractCegarLoop]: Starting to check reachability of 132 error locations. [2023-08-29 18:52:52,934 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2023-08-29 18:52:52,934 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 18:52:52,934 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:52:52,935 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-29 18:52:52,935 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 128 more)] === [2023-08-29 18:52:52,939 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:52:52,940 INFO L85 PathProgramCache]: Analyzing trace with hash 2462, now seen corresponding path program 1 times [2023-08-29 18:52:52,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:52:52,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069074813] [2023-08-29 18:52:52,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:52:52,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:52:53,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:52:53,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 18:52:53,039 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:52:53,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1069074813] [2023-08-29 18:52:53,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1069074813] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:52:53,040 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:52:53,041 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-29 18:52:53,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211471827] [2023-08-29 18:52:53,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:52:53,049 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-29 18:52:53,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:52:53,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-29 18:52:53,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-29 18:52:53,083 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 661 out of 1350 [2023-08-29 18:52:53,090 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 211 places, 213 transitions, 438 flow. Second operand has 2 states, 2 states have (on average 661.5) internal successors, (1323), 2 states have internal predecessors, (1323), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:52:53,090 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:52:53,090 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 661 of 1350 [2023-08-29 18:52:53,092 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:52:53,519 INFO L130 PetriNetUnfolder]: 645/3003 cut-off events. [2023-08-29 18:52:53,520 INFO L131 PetriNetUnfolder]: For 28/28 co-relation queries the response was YES. [2023-08-29 18:52:53,526 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4105 conditions, 3003 events. 645/3003 cut-off events. For 28/28 co-relation queries the response was YES. Maximal size of possible extension queue 98. Compared 25894 event pairs, 525 based on Foata normal form. 135/2555 useless extension candidates. Maximal degree in co-relation 3848. Up to 1058 conditions per place. [2023-08-29 18:52:53,538 INFO L137 encePairwiseOnDemand]: 1309/1350 looper letters, 44 selfloop transitions, 0 changer transitions 1/172 dead transitions. [2023-08-29 18:52:53,539 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 172 places, 172 transitions, 446 flow [2023-08-29 18:52:53,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-29 18:52:53,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-29 18:52:53,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 1408 transitions. [2023-08-29 18:52:53,557 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5214814814814814 [2023-08-29 18:52:53,558 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 1408 transitions. [2023-08-29 18:52:53,559 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 1408 transitions. [2023-08-29 18:52:53,562 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:52:53,565 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 1408 transitions. [2023-08-29 18:52:53,571 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 704.0) internal successors, (1408), 2 states have internal predecessors, (1408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:52:53,580 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 1350.0) internal successors, (4050), 3 states have internal predecessors, (4050), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:52:53,582 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 1350.0) internal successors, (4050), 3 states have internal predecessors, (4050), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:52:53,584 INFO L175 Difference]: Start difference. First operand has 211 places, 213 transitions, 438 flow. Second operand 2 states and 1408 transitions. [2023-08-29 18:52:53,585 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 172 places, 172 transitions, 446 flow [2023-08-29 18:52:53,590 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 168 places, 172 transitions, 438 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-29 18:52:53,594 INFO L231 Difference]: Finished difference. Result has 168 places, 171 transitions, 345 flow [2023-08-29 18:52:53,596 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1350, PETRI_DIFFERENCE_MINUEND_FLOW=348, PETRI_DIFFERENCE_MINUEND_PLACES=167, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=172, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=172, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=345, PETRI_PLACES=168, PETRI_TRANSITIONS=171} [2023-08-29 18:52:53,602 INFO L281 CegarLoopForPetriNet]: 211 programPoint places, -43 predicate places. [2023-08-29 18:52:53,602 INFO L495 AbstractCegarLoop]: Abstraction has has 168 places, 171 transitions, 345 flow [2023-08-29 18:52:53,603 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 661.5) internal successors, (1323), 2 states have internal predecessors, (1323), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:52:53,603 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:52:53,603 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 18:52:53,605 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-29 18:52:53,606 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 128 more)] === [2023-08-29 18:52:53,615 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:52:53,615 INFO L85 PathProgramCache]: Analyzing trace with hash -1328184010, now seen corresponding path program 1 times [2023-08-29 18:52:53,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:52:53,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794004628] [2023-08-29 18:52:53,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:52:53,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:52:53,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:52:53,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 18:52:53,841 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:52:53,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794004628] [2023-08-29 18:52:53,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [794004628] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:52:53,846 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:52:53,846 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 18:52:53,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1692585058] [2023-08-29 18:52:53,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:52:53,847 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 18:52:53,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:52:53,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 18:52:53,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 18:52:53,869 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 648 out of 1350 [2023-08-29 18:52:53,872 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 168 places, 171 transitions, 345 flow. Second operand has 3 states, 3 states have (on average 650.6666666666666) internal successors, (1952), 3 states have internal predecessors, (1952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:52:53,873 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:52:53,873 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 648 of 1350 [2023-08-29 18:52:53,873 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:52:54,332 INFO L130 PetriNetUnfolder]: 939/3767 cut-off events. [2023-08-29 18:52:54,332 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-29 18:52:54,338 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5327 conditions, 3767 events. 939/3767 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 103. Compared 32088 event pairs, 418 based on Foata normal form. 0/3157 useless extension candidates. Maximal degree in co-relation 5324. Up to 1523 conditions per place. [2023-08-29 18:52:54,353 INFO L137 encePairwiseOnDemand]: 1344/1350 looper letters, 55 selfloop transitions, 2 changer transitions 0/174 dead transitions. [2023-08-29 18:52:54,353 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 165 places, 174 transitions, 466 flow [2023-08-29 18:52:54,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 18:52:54,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 18:52:54,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2005 transitions. [2023-08-29 18:52:54,358 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.49506172839506174 [2023-08-29 18:52:54,359 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2005 transitions. [2023-08-29 18:52:54,359 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2005 transitions. [2023-08-29 18:52:54,360 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:52:54,360 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2005 transitions. [2023-08-29 18:52:54,364 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 668.3333333333334) internal successors, (2005), 3 states have internal predecessors, (2005), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:52:54,371 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1350.0) internal successors, (5400), 4 states have internal predecessors, (5400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:52:54,373 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1350.0) internal successors, (5400), 4 states have internal predecessors, (5400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:52:54,374 INFO L175 Difference]: Start difference. First operand has 168 places, 171 transitions, 345 flow. Second operand 3 states and 2005 transitions. [2023-08-29 18:52:54,374 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 165 places, 174 transitions, 466 flow [2023-08-29 18:52:54,377 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 165 places, 174 transitions, 466 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 18:52:54,380 INFO L231 Difference]: Finished difference. Result has 166 places, 169 transitions, 351 flow [2023-08-29 18:52:54,381 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1350, PETRI_DIFFERENCE_MINUEND_FLOW=337, PETRI_DIFFERENCE_MINUEND_PLACES=163, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=167, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=165, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=351, PETRI_PLACES=166, PETRI_TRANSITIONS=169} [2023-08-29 18:52:54,382 INFO L281 CegarLoopForPetriNet]: 211 programPoint places, -45 predicate places. [2023-08-29 18:52:54,382 INFO L495 AbstractCegarLoop]: Abstraction has has 166 places, 169 transitions, 351 flow [2023-08-29 18:52:54,383 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 650.6666666666666) internal successors, (1952), 3 states have internal predecessors, (1952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:52:54,384 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:52:54,384 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 18:52:54,384 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-29 18:52:54,384 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 128 more)] === [2023-08-29 18:52:54,386 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:52:54,387 INFO L85 PathProgramCache]: Analyzing trace with hash -779497256, now seen corresponding path program 1 times [2023-08-29 18:52:54,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:52:54,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386805399] [2023-08-29 18:52:54,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:52:54,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:52:54,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:52:54,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 18:52:54,498 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:52:54,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [386805399] [2023-08-29 18:52:54,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [386805399] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:52:54,499 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:52:54,499 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 18:52:54,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204955658] [2023-08-29 18:52:54,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:52:54,500 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 18:52:54,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:52:54,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 18:52:54,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 18:52:54,540 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 630 out of 1350 [2023-08-29 18:52:54,542 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 166 places, 169 transitions, 351 flow. Second operand has 3 states, 3 states have (on average 632.6666666666666) internal successors, (1898), 3 states have internal predecessors, (1898), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:52:54,542 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:52:54,544 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 630 of 1350 [2023-08-29 18:52:54,544 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:52:54,976 INFO L130 PetriNetUnfolder]: 1200/4226 cut-off events. [2023-08-29 18:52:54,976 INFO L131 PetriNetUnfolder]: For 38/38 co-relation queries the response was YES. [2023-08-29 18:52:54,984 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6283 conditions, 4226 events. 1200/4226 cut-off events. For 38/38 co-relation queries the response was YES. Maximal size of possible extension queue 113. Compared 35259 event pairs, 1034 based on Foata normal form. 0/3665 useless extension candidates. Maximal degree in co-relation 6279. Up to 1991 conditions per place. [2023-08-29 18:52:55,000 INFO L137 encePairwiseOnDemand]: 1343/1350 looper letters, 54 selfloop transitions, 1 changer transitions 0/163 dead transitions. [2023-08-29 18:52:55,000 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 162 places, 163 transitions, 449 flow [2023-08-29 18:52:55,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 18:52:55,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 18:52:55,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1950 transitions. [2023-08-29 18:52:55,005 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.48148148148148145 [2023-08-29 18:52:55,005 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1950 transitions. [2023-08-29 18:52:55,006 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1950 transitions. [2023-08-29 18:52:55,007 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:52:55,007 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1950 transitions. [2023-08-29 18:52:55,011 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 650.0) internal successors, (1950), 3 states have internal predecessors, (1950), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:52:55,018 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1350.0) internal successors, (5400), 4 states have internal predecessors, (5400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:52:55,020 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1350.0) internal successors, (5400), 4 states have internal predecessors, (5400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:52:55,020 INFO L175 Difference]: Start difference. First operand has 166 places, 169 transitions, 351 flow. Second operand 3 states and 1950 transitions. [2023-08-29 18:52:55,020 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 162 places, 163 transitions, 449 flow [2023-08-29 18:52:55,022 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 162 places, 163 transitions, 449 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 18:52:55,024 INFO L231 Difference]: Finished difference. Result has 162 places, 163 transitions, 341 flow [2023-08-29 18:52:55,024 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1350, PETRI_DIFFERENCE_MINUEND_FLOW=339, PETRI_DIFFERENCE_MINUEND_PLACES=160, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=163, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=162, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=341, PETRI_PLACES=162, PETRI_TRANSITIONS=163} [2023-08-29 18:52:55,025 INFO L281 CegarLoopForPetriNet]: 211 programPoint places, -49 predicate places. [2023-08-29 18:52:55,025 INFO L495 AbstractCegarLoop]: Abstraction has has 162 places, 163 transitions, 341 flow [2023-08-29 18:52:55,027 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 632.6666666666666) internal successors, (1898), 3 states have internal predecessors, (1898), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:52:55,028 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:52:55,028 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 18:52:55,028 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-29 18:52:55,028 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 128 more)] === [2023-08-29 18:52:55,029 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:52:55,029 INFO L85 PathProgramCache]: Analyzing trace with hash -757135976, now seen corresponding path program 1 times [2023-08-29 18:52:55,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:52:55,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183793874] [2023-08-29 18:52:55,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:52:55,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:52:55,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:52:55,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 18:52:55,106 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:52:55,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1183793874] [2023-08-29 18:52:55,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1183793874] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:52:55,107 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:52:55,107 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 18:52:55,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [452243699] [2023-08-29 18:52:55,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:52:55,108 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 18:52:55,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:52:55,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 18:52:55,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 18:52:55,133 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 648 out of 1350 [2023-08-29 18:52:55,136 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 162 places, 163 transitions, 341 flow. Second operand has 3 states, 3 states have (on average 651.3333333333334) internal successors, (1954), 3 states have internal predecessors, (1954), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:52:55,136 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:52:55,137 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 648 of 1350 [2023-08-29 18:52:55,140 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:52:55,578 INFO L130 PetriNetUnfolder]: 959/3681 cut-off events. [2023-08-29 18:52:55,579 INFO L131 PetriNetUnfolder]: For 26/26 co-relation queries the response was YES. [2023-08-29 18:52:55,587 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5328 conditions, 3681 events. 959/3681 cut-off events. For 26/26 co-relation queries the response was YES. Maximal size of possible extension queue 99. Compared 31037 event pairs, 479 based on Foata normal form. 0/3198 useless extension candidates. Maximal degree in co-relation 5323. Up to 1568 conditions per place. [2023-08-29 18:52:55,607 INFO L137 encePairwiseOnDemand]: 1344/1350 looper letters, 55 selfloop transitions, 2 changer transitions 0/165 dead transitions. [2023-08-29 18:52:55,607 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 160 places, 165 transitions, 460 flow [2023-08-29 18:52:55,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 18:52:55,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 18:52:55,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2004 transitions. [2023-08-29 18:52:55,612 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4948148148148148 [2023-08-29 18:52:55,614 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2004 transitions. [2023-08-29 18:52:55,614 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2004 transitions. [2023-08-29 18:52:55,615 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:52:55,615 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2004 transitions. [2023-08-29 18:52:55,619 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 668.0) internal successors, (2004), 3 states have internal predecessors, (2004), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:52:55,626 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1350.0) internal successors, (5400), 4 states have internal predecessors, (5400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:52:55,628 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1350.0) internal successors, (5400), 4 states have internal predecessors, (5400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:52:55,629 INFO L175 Difference]: Start difference. First operand has 162 places, 163 transitions, 341 flow. Second operand 3 states and 2004 transitions. [2023-08-29 18:52:55,629 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 160 places, 165 transitions, 460 flow [2023-08-29 18:52:55,630 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 159 places, 165 transitions, 459 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 18:52:55,632 INFO L231 Difference]: Finished difference. Result has 160 places, 161 transitions, 346 flow [2023-08-29 18:52:55,632 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1350, PETRI_DIFFERENCE_MINUEND_FLOW=332, PETRI_DIFFERENCE_MINUEND_PLACES=157, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=159, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=157, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=346, PETRI_PLACES=160, PETRI_TRANSITIONS=161} [2023-08-29 18:52:55,634 INFO L281 CegarLoopForPetriNet]: 211 programPoint places, -51 predicate places. [2023-08-29 18:52:55,634 INFO L495 AbstractCegarLoop]: Abstraction has has 160 places, 161 transitions, 346 flow [2023-08-29 18:52:55,636 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 651.3333333333334) internal successors, (1954), 3 states have internal predecessors, (1954), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:52:55,637 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:52:55,637 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 18:52:55,637 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-29 18:52:55,637 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 128 more)] === [2023-08-29 18:52:55,637 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:52:55,638 INFO L85 PathProgramCache]: Analyzing trace with hash -1758145798, now seen corresponding path program 1 times [2023-08-29 18:52:55,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:52:55,638 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585137059] [2023-08-29 18:52:55,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:52:55,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:52:55,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:52:55,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 18:52:55,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:52:55,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585137059] [2023-08-29 18:52:55,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [585137059] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:52:55,701 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:52:55,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 18:52:55,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504582567] [2023-08-29 18:52:55,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:52:55,702 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 18:52:55,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:52:55,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 18:52:55,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 18:52:55,736 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 630 out of 1350 [2023-08-29 18:52:55,738 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 160 places, 161 transitions, 346 flow. Second operand has 3 states, 3 states have (on average 633.3333333333334) internal successors, (1900), 3 states have internal predecessors, (1900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:52:55,738 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:52:55,738 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 630 of 1350 [2023-08-29 18:52:55,738 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:52:56,211 INFO L130 PetriNetUnfolder]: 1275/4307 cut-off events. [2023-08-29 18:52:56,211 INFO L131 PetriNetUnfolder]: For 79/79 co-relation queries the response was YES. [2023-08-29 18:52:56,220 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6561 conditions, 4307 events. 1275/4307 cut-off events. For 79/79 co-relation queries the response was YES. Maximal size of possible extension queue 116. Compared 36124 event pairs, 1099 based on Foata normal form. 0/3882 useless extension candidates. Maximal degree in co-relation 6556. Up to 2130 conditions per place. [2023-08-29 18:52:56,233 INFO L137 encePairwiseOnDemand]: 1343/1350 looper letters, 56 selfloop transitions, 1 changer transitions 0/155 dead transitions. [2023-08-29 18:52:56,234 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 156 places, 155 transitions, 448 flow [2023-08-29 18:52:56,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 18:52:56,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 18:52:56,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1951 transitions. [2023-08-29 18:52:56,239 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4817283950617284 [2023-08-29 18:52:56,239 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1951 transitions. [2023-08-29 18:52:56,239 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1951 transitions. [2023-08-29 18:52:56,241 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:52:56,241 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1951 transitions. [2023-08-29 18:52:56,245 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 650.3333333333334) internal successors, (1951), 3 states have internal predecessors, (1951), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:52:56,251 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1350.0) internal successors, (5400), 4 states have internal predecessors, (5400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:52:56,253 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1350.0) internal successors, (5400), 4 states have internal predecessors, (5400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:52:56,253 INFO L175 Difference]: Start difference. First operand has 160 places, 161 transitions, 346 flow. Second operand 3 states and 1951 transitions. [2023-08-29 18:52:56,253 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 156 places, 155 transitions, 448 flow [2023-08-29 18:52:56,255 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 156 places, 155 transitions, 448 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 18:52:56,257 INFO L231 Difference]: Finished difference. Result has 156 places, 155 transitions, 336 flow [2023-08-29 18:52:56,257 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1350, PETRI_DIFFERENCE_MINUEND_FLOW=334, PETRI_DIFFERENCE_MINUEND_PLACES=154, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=155, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=154, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=336, PETRI_PLACES=156, PETRI_TRANSITIONS=155} [2023-08-29 18:52:56,258 INFO L281 CegarLoopForPetriNet]: 211 programPoint places, -55 predicate places. [2023-08-29 18:52:56,258 INFO L495 AbstractCegarLoop]: Abstraction has has 156 places, 155 transitions, 336 flow [2023-08-29 18:52:56,259 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 633.3333333333334) internal successors, (1900), 3 states have internal predecessors, (1900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:52:56,259 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:52:56,259 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 18:52:56,259 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-29 18:52:56,259 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 128 more)] === [2023-08-29 18:52:56,260 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:52:56,260 INFO L85 PathProgramCache]: Analyzing trace with hash 1757446783, now seen corresponding path program 1 times [2023-08-29 18:52:56,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:52:56,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056943967] [2023-08-29 18:52:56,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:52:56,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:52:56,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:52:56,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 18:52:56,398 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:52:56,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2056943967] [2023-08-29 18:52:56,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2056943967] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:52:56,399 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:52:56,399 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 18:52:56,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927165113] [2023-08-29 18:52:56,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:52:56,400 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 18:52:56,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:52:56,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 18:52:56,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 18:52:56,569 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 649 out of 1350 [2023-08-29 18:52:56,571 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 156 places, 155 transitions, 336 flow. Second operand has 3 states, 3 states have (on average 652.0) internal successors, (1956), 3 states have internal predecessors, (1956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:52:56,572 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:52:56,572 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 649 of 1350 [2023-08-29 18:52:56,572 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:52:57,046 INFO L130 PetriNetUnfolder]: 679/2977 cut-off events. [2023-08-29 18:52:57,047 INFO L131 PetriNetUnfolder]: For 58/58 co-relation queries the response was YES. [2023-08-29 18:52:57,053 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4208 conditions, 2977 events. 679/2977 cut-off events. For 58/58 co-relation queries the response was YES. Maximal size of possible extension queue 90. Compared 24927 event pairs, 547 based on Foata normal form. 0/2622 useless extension candidates. Maximal degree in co-relation 4202. Up to 1133 conditions per place. [2023-08-29 18:52:57,060 INFO L137 encePairwiseOnDemand]: 1347/1350 looper letters, 45 selfloop transitions, 2 changer transitions 0/156 dead transitions. [2023-08-29 18:52:57,061 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 158 places, 156 transitions, 432 flow [2023-08-29 18:52:57,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 18:52:57,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 18:52:57,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1993 transitions. [2023-08-29 18:52:57,065 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.49209876543209874 [2023-08-29 18:52:57,065 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1993 transitions. [2023-08-29 18:52:57,066 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1993 transitions. [2023-08-29 18:52:57,067 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:52:57,067 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1993 transitions. [2023-08-29 18:52:57,070 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 664.3333333333334) internal successors, (1993), 3 states have internal predecessors, (1993), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:52:57,075 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1350.0) internal successors, (5400), 4 states have internal predecessors, (5400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:52:57,077 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1350.0) internal successors, (5400), 4 states have internal predecessors, (5400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:52:57,077 INFO L175 Difference]: Start difference. First operand has 156 places, 155 transitions, 336 flow. Second operand 3 states and 1993 transitions. [2023-08-29 18:52:57,077 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 158 places, 156 transitions, 432 flow [2023-08-29 18:52:57,078 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 157 places, 156 transitions, 431 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 18:52:57,080 INFO L231 Difference]: Finished difference. Result has 158 places, 156 transitions, 347 flow [2023-08-29 18:52:57,081 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1350, PETRI_DIFFERENCE_MINUEND_FLOW=335, PETRI_DIFFERENCE_MINUEND_PLACES=155, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=155, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=153, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=347, PETRI_PLACES=158, PETRI_TRANSITIONS=156} [2023-08-29 18:52:57,081 INFO L281 CegarLoopForPetriNet]: 211 programPoint places, -53 predicate places. [2023-08-29 18:52:57,081 INFO L495 AbstractCegarLoop]: Abstraction has has 158 places, 156 transitions, 347 flow [2023-08-29 18:52:57,082 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 652.0) internal successors, (1956), 3 states have internal predecessors, (1956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:52:57,082 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:52:57,082 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 18:52:57,083 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-29 18:52:57,083 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 128 more)] === [2023-08-29 18:52:57,083 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:52:57,083 INFO L85 PathProgramCache]: Analyzing trace with hash -2084188176, now seen corresponding path program 1 times [2023-08-29 18:52:57,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:52:57,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371502945] [2023-08-29 18:52:57,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:52:57,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:52:57,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:52:57,381 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-08-29 18:52:57,381 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:52:57,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1371502945] [2023-08-29 18:52:57,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1371502945] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:52:57,382 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:52:57,382 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 18:52:57,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180127777] [2023-08-29 18:52:57,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:52:57,382 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 18:52:57,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:52:57,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 18:52:57,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 18:52:57,905 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 642 out of 1350 [2023-08-29 18:52:57,908 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 158 places, 156 transitions, 347 flow. Second operand has 6 states, 6 states have (on average 644.3333333333334) internal successors, (3866), 6 states have internal predecessors, (3866), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:52:57,908 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:52:57,908 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 642 of 1350 [2023-08-29 18:52:57,908 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:52:58,597 INFO L130 PetriNetUnfolder]: 2299/5389 cut-off events. [2023-08-29 18:52:58,597 INFO L131 PetriNetUnfolder]: For 169/169 co-relation queries the response was YES. [2023-08-29 18:52:58,612 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9162 conditions, 5389 events. 2299/5389 cut-off events. For 169/169 co-relation queries the response was YES. Maximal size of possible extension queue 164. Compared 43617 event pairs, 320 based on Foata normal form. 0/4738 useless extension candidates. Maximal degree in co-relation 9155. Up to 1274 conditions per place. [2023-08-29 18:52:58,633 INFO L137 encePairwiseOnDemand]: 1345/1350 looper letters, 171 selfloop transitions, 4 changer transitions 0/279 dead transitions. [2023-08-29 18:52:58,633 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 162 places, 279 transitions, 983 flow [2023-08-29 18:52:58,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 18:52:58,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 18:52:58,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 4017 transitions. [2023-08-29 18:52:58,684 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.49592592592592594 [2023-08-29 18:52:58,684 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 4017 transitions. [2023-08-29 18:52:58,685 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 4017 transitions. [2023-08-29 18:52:58,687 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:52:58,687 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 4017 transitions. [2023-08-29 18:52:58,694 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 669.5) internal successors, (4017), 6 states have internal predecessors, (4017), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:52:58,704 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1350.0) internal successors, (9450), 7 states have internal predecessors, (9450), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:52:58,706 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1350.0) internal successors, (9450), 7 states have internal predecessors, (9450), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:52:58,706 INFO L175 Difference]: Start difference. First operand has 158 places, 156 transitions, 347 flow. Second operand 6 states and 4017 transitions. [2023-08-29 18:52:58,706 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 162 places, 279 transitions, 983 flow [2023-08-29 18:52:58,708 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 161 places, 279 transitions, 979 flow, removed 1 selfloop flow, removed 1 redundant places. [2023-08-29 18:52:58,711 INFO L231 Difference]: Finished difference. Result has 161 places, 155 transitions, 349 flow [2023-08-29 18:52:58,711 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1350, PETRI_DIFFERENCE_MINUEND_FLOW=341, PETRI_DIFFERENCE_MINUEND_PLACES=156, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=155, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=151, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=349, PETRI_PLACES=161, PETRI_TRANSITIONS=155} [2023-08-29 18:52:58,712 INFO L281 CegarLoopForPetriNet]: 211 programPoint places, -50 predicate places. [2023-08-29 18:52:58,712 INFO L495 AbstractCegarLoop]: Abstraction has has 161 places, 155 transitions, 349 flow [2023-08-29 18:52:58,713 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 644.3333333333334) internal successors, (3866), 6 states have internal predecessors, (3866), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:52:58,713 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:52:58,713 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 18:52:58,713 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-08-29 18:52:58,713 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 128 more)] === [2023-08-29 18:52:58,714 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:52:58,714 INFO L85 PathProgramCache]: Analyzing trace with hash -1863782325, now seen corresponding path program 1 times [2023-08-29 18:52:58,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:52:58,714 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113871640] [2023-08-29 18:52:58,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:52:58,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:52:58,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:52:58,816 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-08-29 18:52:58,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:52:58,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [113871640] [2023-08-29 18:52:58,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [113871640] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:52:58,816 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:52:58,816 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-29 18:52:58,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093253375] [2023-08-29 18:52:58,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:52:58,817 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-29 18:52:58,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:52:58,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-29 18:52:58,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-08-29 18:52:58,985 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 651 out of 1350 [2023-08-29 18:52:58,988 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 161 places, 155 transitions, 349 flow. Second operand has 4 states, 4 states have (on average 652.75) internal successors, (2611), 4 states have internal predecessors, (2611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:52:58,988 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:52:58,988 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 651 of 1350 [2023-08-29 18:52:58,988 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:52:59,348 INFO L130 PetriNetUnfolder]: 679/2970 cut-off events. [2023-08-29 18:52:59,349 INFO L131 PetriNetUnfolder]: For 254/254 co-relation queries the response was YES. [2023-08-29 18:52:59,359 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4428 conditions, 2970 events. 679/2970 cut-off events. For 254/254 co-relation queries the response was YES. Maximal size of possible extension queue 90. Compared 24839 event pairs, 547 based on Foata normal form. 0/2622 useless extension candidates. Maximal degree in co-relation 4421. Up to 1133 conditions per place. [2023-08-29 18:52:59,370 INFO L137 encePairwiseOnDemand]: 1346/1350 looper letters, 45 selfloop transitions, 3 changer transitions 0/156 dead transitions. [2023-08-29 18:52:59,370 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 164 places, 156 transitions, 447 flow [2023-08-29 18:52:59,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-08-29 18:52:59,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-08-29 18:52:59,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 2650 transitions. [2023-08-29 18:52:59,377 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.49074074074074076 [2023-08-29 18:52:59,378 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 2650 transitions. [2023-08-29 18:52:59,378 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 2650 transitions. [2023-08-29 18:52:59,379 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:52:59,379 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 2650 transitions. [2023-08-29 18:52:59,384 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 662.5) internal successors, (2650), 4 states have internal predecessors, (2650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:52:59,391 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 1350.0) internal successors, (6750), 5 states have internal predecessors, (6750), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:52:59,393 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 1350.0) internal successors, (6750), 5 states have internal predecessors, (6750), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:52:59,393 INFO L175 Difference]: Start difference. First operand has 161 places, 155 transitions, 349 flow. Second operand 4 states and 2650 transitions. [2023-08-29 18:52:59,393 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 164 places, 156 transitions, 447 flow [2023-08-29 18:52:59,395 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 160 places, 156 transitions, 440 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-29 18:52:59,397 INFO L231 Difference]: Finished difference. Result has 161 places, 156 transitions, 356 flow [2023-08-29 18:52:59,397 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1350, PETRI_DIFFERENCE_MINUEND_FLOW=342, PETRI_DIFFERENCE_MINUEND_PLACES=157, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=155, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=152, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=356, PETRI_PLACES=161, PETRI_TRANSITIONS=156} [2023-08-29 18:52:59,398 INFO L281 CegarLoopForPetriNet]: 211 programPoint places, -50 predicate places. [2023-08-29 18:52:59,398 INFO L495 AbstractCegarLoop]: Abstraction has has 161 places, 156 transitions, 356 flow [2023-08-29 18:52:59,399 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 652.75) internal successors, (2611), 4 states have internal predecessors, (2611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:52:59,399 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:52:59,399 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 18:52:59,399 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-08-29 18:52:59,400 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 128 more)] === [2023-08-29 18:52:59,400 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:52:59,400 INFO L85 PathProgramCache]: Analyzing trace with hash -1709333734, now seen corresponding path program 1 times [2023-08-29 18:52:59,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:52:59,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1299681946] [2023-08-29 18:52:59,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:52:59,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:52:59,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:52:59,566 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-08-29 18:52:59,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:52:59,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1299681946] [2023-08-29 18:52:59,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1299681946] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-29 18:52:59,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [430727658] [2023-08-29 18:52:59,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:52:59,567 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-29 18:52:59,567 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 18:52:59,573 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-08-29 18:52:59,609 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-08-29 18:52:59,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:52:59,716 INFO L263 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 5 conjunts are in the unsatisfiable core [2023-08-29 18:52:59,720 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-08-29 18:52:59,794 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-08-29 18:52:59,794 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-08-29 18:52:59,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [430727658] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:52:59,795 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-08-29 18:52:59,795 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2023-08-29 18:52:59,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952547981] [2023-08-29 18:52:59,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:52:59,795 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-29 18:52:59,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:52:59,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-29 18:52:59,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-08-29 18:52:59,933 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 651 out of 1350 [2023-08-29 18:52:59,936 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 161 places, 156 transitions, 356 flow. Second operand has 4 states, 4 states have (on average 653.0) internal successors, (2612), 4 states have internal predecessors, (2612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:52:59,936 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:52:59,936 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 651 of 1350 [2023-08-29 18:52:59,936 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:53:00,316 INFO L130 PetriNetUnfolder]: 679/2971 cut-off events. [2023-08-29 18:53:00,317 INFO L131 PetriNetUnfolder]: For 61/61 co-relation queries the response was YES. [2023-08-29 18:53:00,328 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4223 conditions, 2971 events. 679/2971 cut-off events. For 61/61 co-relation queries the response was YES. Maximal size of possible extension queue 90. Compared 24772 event pairs, 547 based on Foata normal form. 0/2624 useless extension candidates. Maximal degree in co-relation 4215. Up to 1134 conditions per place. [2023-08-29 18:53:00,338 INFO L137 encePairwiseOnDemand]: 1346/1350 looper letters, 46 selfloop transitions, 3 changer transitions 0/157 dead transitions. [2023-08-29 18:53:00,339 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 164 places, 157 transitions, 456 flow [2023-08-29 18:53:00,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-08-29 18:53:00,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-08-29 18:53:00,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 2650 transitions. [2023-08-29 18:53:00,346 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.49074074074074076 [2023-08-29 18:53:00,346 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 2650 transitions. [2023-08-29 18:53:00,346 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 2650 transitions. [2023-08-29 18:53:00,348 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:53:00,348 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 2650 transitions. [2023-08-29 18:53:00,352 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 662.5) internal successors, (2650), 4 states have internal predecessors, (2650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:53:00,359 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 1350.0) internal successors, (6750), 5 states have internal predecessors, (6750), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:53:00,361 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 1350.0) internal successors, (6750), 5 states have internal predecessors, (6750), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:53:00,361 INFO L175 Difference]: Start difference. First operand has 161 places, 156 transitions, 356 flow. Second operand 4 states and 2650 transitions. [2023-08-29 18:53:00,361 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 164 places, 157 transitions, 456 flow [2023-08-29 18:53:00,363 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 162 places, 157 transitions, 450 flow, removed 1 selfloop flow, removed 2 redundant places. [2023-08-29 18:53:00,365 INFO L231 Difference]: Finished difference. Result has 163 places, 157 transitions, 364 flow [2023-08-29 18:53:00,365 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1350, PETRI_DIFFERENCE_MINUEND_FLOW=350, PETRI_DIFFERENCE_MINUEND_PLACES=159, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=156, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=153, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=364, PETRI_PLACES=163, PETRI_TRANSITIONS=157} [2023-08-29 18:53:00,366 INFO L281 CegarLoopForPetriNet]: 211 programPoint places, -48 predicate places. [2023-08-29 18:53:00,366 INFO L495 AbstractCegarLoop]: Abstraction has has 163 places, 157 transitions, 364 flow [2023-08-29 18:53:00,366 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 653.0) internal successors, (2612), 4 states have internal predecessors, (2612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:53:00,367 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:53:00,367 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 18:53:00,377 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-08-29 18:53:00,572 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-29 18:53:00,573 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 128 more)] === [2023-08-29 18:53:00,573 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:53:00,573 INFO L85 PathProgramCache]: Analyzing trace with hash 906204517, now seen corresponding path program 1 times [2023-08-29 18:53:00,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:53:00,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572717443] [2023-08-29 18:53:00,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:53:00,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:53:00,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:53:00,676 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-08-29 18:53:00,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:53:00,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [572717443] [2023-08-29 18:53:00,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [572717443] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:53:00,677 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:53:00,677 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-29 18:53:00,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1129884982] [2023-08-29 18:53:00,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:53:00,678 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-29 18:53:00,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:53:00,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-29 18:53:00,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-08-29 18:53:00,801 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 651 out of 1350 [2023-08-29 18:53:00,803 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 163 places, 157 transitions, 364 flow. Second operand has 4 states, 4 states have (on average 653.25) internal successors, (2613), 4 states have internal predecessors, (2613), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:53:00,803 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:53:00,803 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 651 of 1350 [2023-08-29 18:53:00,804 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:53:01,101 INFO L130 PetriNetUnfolder]: 679/2972 cut-off events. [2023-08-29 18:53:01,102 INFO L131 PetriNetUnfolder]: For 62/62 co-relation queries the response was YES. [2023-08-29 18:53:01,110 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4229 conditions, 2972 events. 679/2972 cut-off events. For 62/62 co-relation queries the response was YES. Maximal size of possible extension queue 90. Compared 24859 event pairs, 547 based on Foata normal form. 0/2626 useless extension candidates. Maximal degree in co-relation 4220. Up to 1135 conditions per place. [2023-08-29 18:53:01,119 INFO L137 encePairwiseOnDemand]: 1346/1350 looper letters, 47 selfloop transitions, 3 changer transitions 0/158 dead transitions. [2023-08-29 18:53:01,119 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 166 places, 158 transitions, 466 flow [2023-08-29 18:53:01,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-08-29 18:53:01,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-08-29 18:53:01,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 2650 transitions. [2023-08-29 18:53:01,125 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.49074074074074076 [2023-08-29 18:53:01,126 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 2650 transitions. [2023-08-29 18:53:01,126 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 2650 transitions. [2023-08-29 18:53:01,127 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:53:01,127 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 2650 transitions. [2023-08-29 18:53:01,131 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 662.5) internal successors, (2650), 4 states have internal predecessors, (2650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:53:01,142 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 1350.0) internal successors, (6750), 5 states have internal predecessors, (6750), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:53:01,143 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 1350.0) internal successors, (6750), 5 states have internal predecessors, (6750), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:53:01,143 INFO L175 Difference]: Start difference. First operand has 163 places, 157 transitions, 364 flow. Second operand 4 states and 2650 transitions. [2023-08-29 18:53:01,143 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 166 places, 158 transitions, 466 flow [2023-08-29 18:53:01,146 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 164 places, 158 transitions, 460 flow, removed 1 selfloop flow, removed 2 redundant places. [2023-08-29 18:53:01,147 INFO L231 Difference]: Finished difference. Result has 165 places, 158 transitions, 372 flow [2023-08-29 18:53:01,148 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1350, PETRI_DIFFERENCE_MINUEND_FLOW=358, PETRI_DIFFERENCE_MINUEND_PLACES=161, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=157, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=154, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=372, PETRI_PLACES=165, PETRI_TRANSITIONS=158} [2023-08-29 18:53:01,149 INFO L281 CegarLoopForPetriNet]: 211 programPoint places, -46 predicate places. [2023-08-29 18:53:01,149 INFO L495 AbstractCegarLoop]: Abstraction has has 165 places, 158 transitions, 372 flow [2023-08-29 18:53:01,150 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 653.25) internal successors, (2613), 4 states have internal predecessors, (2613), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:53:01,150 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:53:01,150 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 18:53:01,150 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-08-29 18:53:01,151 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 128 more)] === [2023-08-29 18:53:01,151 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:53:01,151 INFO L85 PathProgramCache]: Analyzing trace with hash 180132440, now seen corresponding path program 1 times [2023-08-29 18:53:01,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:53:01,151 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [182000423] [2023-08-29 18:53:01,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:53:01,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:53:01,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:53:01,536 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-08-29 18:53:01,536 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:53:01,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [182000423] [2023-08-29 18:53:01,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [182000423] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:53:01,536 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:53:01,537 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 18:53:01,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474158337] [2023-08-29 18:53:01,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:53:01,537 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 18:53:01,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:53:01,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 18:53:01,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 18:53:02,010 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 623 out of 1350 [2023-08-29 18:53:02,013 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 165 places, 158 transitions, 372 flow. Second operand has 6 states, 6 states have (on average 625.5) internal successors, (3753), 6 states have internal predecessors, (3753), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:53:02,013 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:53:02,013 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 623 of 1350 [2023-08-29 18:53:02,013 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:53:02,635 INFO L130 PetriNetUnfolder]: 1672/4755 cut-off events. [2023-08-29 18:53:02,635 INFO L131 PetriNetUnfolder]: For 83/83 co-relation queries the response was YES. [2023-08-29 18:53:02,643 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7713 conditions, 4755 events. 1672/4755 cut-off events. For 83/83 co-relation queries the response was YES. Maximal size of possible extension queue 122. Compared 37371 event pairs, 518 based on Foata normal form. 0/4342 useless extension candidates. Maximal degree in co-relation 7703. Up to 2618 conditions per place. [2023-08-29 18:53:02,654 INFO L137 encePairwiseOnDemand]: 1338/1350 looper letters, 107 selfloop transitions, 8 changer transitions 0/202 dead transitions. [2023-08-29 18:53:02,654 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 166 places, 202 transitions, 702 flow [2023-08-29 18:53:02,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 18:53:02,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 18:53:02,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3851 transitions. [2023-08-29 18:53:02,664 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4754320987654321 [2023-08-29 18:53:02,664 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3851 transitions. [2023-08-29 18:53:02,664 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3851 transitions. [2023-08-29 18:53:02,667 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:53:02,667 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3851 transitions. [2023-08-29 18:53:02,673 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 641.8333333333334) internal successors, (3851), 6 states have internal predecessors, (3851), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:53:02,681 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1350.0) internal successors, (9450), 7 states have internal predecessors, (9450), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:53:02,682 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1350.0) internal successors, (9450), 7 states have internal predecessors, (9450), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:53:02,682 INFO L175 Difference]: Start difference. First operand has 165 places, 158 transitions, 372 flow. Second operand 6 states and 3851 transitions. [2023-08-29 18:53:02,683 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 166 places, 202 transitions, 702 flow [2023-08-29 18:53:02,685 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 164 places, 202 transitions, 696 flow, removed 1 selfloop flow, removed 2 redundant places. [2023-08-29 18:53:02,687 INFO L231 Difference]: Finished difference. Result has 168 places, 162 transitions, 420 flow [2023-08-29 18:53:02,687 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1350, PETRI_DIFFERENCE_MINUEND_FLOW=358, PETRI_DIFFERENCE_MINUEND_PLACES=159, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=154, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=146, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=420, PETRI_PLACES=168, PETRI_TRANSITIONS=162} [2023-08-29 18:53:02,688 INFO L281 CegarLoopForPetriNet]: 211 programPoint places, -43 predicate places. [2023-08-29 18:53:02,688 INFO L495 AbstractCegarLoop]: Abstraction has has 168 places, 162 transitions, 420 flow [2023-08-29 18:53:02,689 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 625.5) internal successors, (3753), 6 states have internal predecessors, (3753), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:53:02,689 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:53:02,689 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, 1] [2023-08-29 18:53:02,689 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-08-29 18:53:02,689 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting thread2Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 128 more)] === [2023-08-29 18:53:02,690 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:53:02,690 INFO L85 PathProgramCache]: Analyzing trace with hash 1335687771, now seen corresponding path program 1 times [2023-08-29 18:53:02,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:53:02,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641780912] [2023-08-29 18:53:02,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:53:02,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:53:02,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:53:03,109 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-08-29 18:53:03,109 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:53:03,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641780912] [2023-08-29 18:53:03,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [641780912] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:53:03,110 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:53:03,110 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 18:53:03,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430676553] [2023-08-29 18:53:03,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:53:03,111 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 18:53:03,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:53:03,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 18:53:03,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 18:53:03,616 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 623 out of 1350 [2023-08-29 18:53:03,619 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 168 places, 162 transitions, 420 flow. Second operand has 6 states, 6 states have (on average 625.8333333333334) internal successors, (3755), 6 states have internal predecessors, (3755), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:53:03,619 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:53:03,619 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 623 of 1350 [2023-08-29 18:53:03,619 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:53:04,105 INFO L130 PetriNetUnfolder]: 1684/4872 cut-off events. [2023-08-29 18:53:04,106 INFO L131 PetriNetUnfolder]: For 99/105 co-relation queries the response was YES. [2023-08-29 18:53:04,123 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8015 conditions, 4872 events. 1684/4872 cut-off events. For 99/105 co-relation queries the response was YES. Maximal size of possible extension queue 113. Compared 38547 event pairs, 653 based on Foata normal form. 0/4482 useless extension candidates. Maximal degree in co-relation 8002. Up to 2731 conditions per place. [2023-08-29 18:53:04,140 INFO L137 encePairwiseOnDemand]: 1338/1350 looper letters, 98 selfloop transitions, 8 changer transitions 0/198 dead transitions. [2023-08-29 18:53:04,140 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 169 places, 198 transitions, 716 flow [2023-08-29 18:53:04,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 18:53:04,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 18:53:04,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3842 transitions. [2023-08-29 18:53:04,149 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.474320987654321 [2023-08-29 18:53:04,149 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3842 transitions. [2023-08-29 18:53:04,150 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3842 transitions. [2023-08-29 18:53:04,152 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:53:04,152 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3842 transitions. [2023-08-29 18:53:04,159 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 640.3333333333334) internal successors, (3842), 6 states have internal predecessors, (3842), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:53:04,166 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1350.0) internal successors, (9450), 7 states have internal predecessors, (9450), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:53:04,168 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1350.0) internal successors, (9450), 7 states have internal predecessors, (9450), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:53:04,168 INFO L175 Difference]: Start difference. First operand has 168 places, 162 transitions, 420 flow. Second operand 6 states and 3842 transitions. [2023-08-29 18:53:04,169 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 169 places, 198 transitions, 716 flow [2023-08-29 18:53:04,170 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 169 places, 198 transitions, 716 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 18:53:04,172 INFO L231 Difference]: Finished difference. Result has 173 places, 166 transitions, 474 flow [2023-08-29 18:53:04,173 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1350, PETRI_DIFFERENCE_MINUEND_FLOW=412, PETRI_DIFFERENCE_MINUEND_PLACES=164, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=158, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=150, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=474, PETRI_PLACES=173, PETRI_TRANSITIONS=166} [2023-08-29 18:53:04,173 INFO L281 CegarLoopForPetriNet]: 211 programPoint places, -38 predicate places. [2023-08-29 18:53:04,174 INFO L495 AbstractCegarLoop]: Abstraction has has 173 places, 166 transitions, 474 flow [2023-08-29 18:53:04,174 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 625.8333333333334) internal successors, (3755), 6 states have internal predecessors, (3755), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:53:04,175 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:53:04,175 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 18:53:04,175 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-08-29 18:53:04,175 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting thread1Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 128 more)] === [2023-08-29 18:53:04,175 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:53:04,176 INFO L85 PathProgramCache]: Analyzing trace with hash 859835059, now seen corresponding path program 1 times [2023-08-29 18:53:04,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:53:04,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441737971] [2023-08-29 18:53:04,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:53:04,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:53:04,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:53:04,224 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-08-29 18:53:04,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:53:04,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [441737971] [2023-08-29 18:53:04,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [441737971] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:53:04,225 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:53:04,225 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 18:53:04,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787426942] [2023-08-29 18:53:04,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:53:04,225 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 18:53:04,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:53:04,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 18:53:04,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 18:53:04,235 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 654 out of 1350 [2023-08-29 18:53:04,236 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 173 places, 166 transitions, 474 flow. Second operand has 3 states, 3 states have (on average 659.0) internal successors, (1977), 3 states have internal predecessors, (1977), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:53:04,236 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:53:04,236 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 654 of 1350 [2023-08-29 18:53:04,236 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:53:04,687 INFO L130 PetriNetUnfolder]: 994/4050 cut-off events. [2023-08-29 18:53:04,688 INFO L131 PetriNetUnfolder]: For 138/148 co-relation queries the response was YES. [2023-08-29 18:53:04,706 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6205 conditions, 4050 events. 994/4050 cut-off events. For 138/148 co-relation queries the response was YES. Maximal size of possible extension queue 119. Compared 35900 event pairs, 237 based on Foata normal form. 0/3753 useless extension candidates. Maximal degree in co-relation 6188. Up to 1317 conditions per place. [2023-08-29 18:53:04,718 INFO L137 encePairwiseOnDemand]: 1346/1350 looper letters, 73 selfloop transitions, 2 changer transitions 0/186 dead transitions. [2023-08-29 18:53:04,719 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 173 places, 186 transitions, 671 flow [2023-08-29 18:53:04,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 18:53:04,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 18:53:04,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2032 transitions. [2023-08-29 18:53:04,723 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5017283950617284 [2023-08-29 18:53:04,723 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2032 transitions. [2023-08-29 18:53:04,723 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2032 transitions. [2023-08-29 18:53:04,725 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:53:04,725 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2032 transitions. [2023-08-29 18:53:04,729 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 677.3333333333334) internal successors, (2032), 3 states have internal predecessors, (2032), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:53:04,733 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1350.0) internal successors, (5400), 4 states have internal predecessors, (5400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:53:04,734 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1350.0) internal successors, (5400), 4 states have internal predecessors, (5400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:53:04,734 INFO L175 Difference]: Start difference. First operand has 173 places, 166 transitions, 474 flow. Second operand 3 states and 2032 transitions. [2023-08-29 18:53:04,734 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 173 places, 186 transitions, 671 flow [2023-08-29 18:53:04,736 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 173 places, 186 transitions, 671 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 18:53:04,738 INFO L231 Difference]: Finished difference. Result has 174 places, 166 transitions, 484 flow [2023-08-29 18:53:04,739 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1350, PETRI_DIFFERENCE_MINUEND_FLOW=470, PETRI_DIFFERENCE_MINUEND_PLACES=171, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=164, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=162, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=484, PETRI_PLACES=174, PETRI_TRANSITIONS=166} [2023-08-29 18:53:04,740 INFO L281 CegarLoopForPetriNet]: 211 programPoint places, -37 predicate places. [2023-08-29 18:53:04,740 INFO L495 AbstractCegarLoop]: Abstraction has has 174 places, 166 transitions, 484 flow [2023-08-29 18:53:04,741 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 659.0) internal successors, (1977), 3 states have internal predecessors, (1977), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:53:04,741 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:53:04,741 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 18:53:04,741 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-08-29 18:53:04,741 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting thread2Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 128 more)] === [2023-08-29 18:53:04,742 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:53:04,742 INFO L85 PathProgramCache]: Analyzing trace with hash -1598971347, now seen corresponding path program 1 times [2023-08-29 18:53:04,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:53:04,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [88693783] [2023-08-29 18:53:04,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:53:04,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:53:04,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:53:04,791 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-08-29 18:53:04,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:53:04,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [88693783] [2023-08-29 18:53:04,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [88693783] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:53:04,792 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:53:04,792 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 18:53:04,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014824486] [2023-08-29 18:53:04,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:53:04,793 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 18:53:04,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:53:04,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 18:53:04,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 18:53:04,802 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 654 out of 1350 [2023-08-29 18:53:04,803 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 174 places, 166 transitions, 484 flow. Second operand has 3 states, 3 states have (on average 660.3333333333334) internal successors, (1981), 3 states have internal predecessors, (1981), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:53:04,803 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:53:04,803 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 654 of 1350 [2023-08-29 18:53:04,804 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:53:05,294 INFO L130 PetriNetUnfolder]: 1102/4536 cut-off events. [2023-08-29 18:53:05,294 INFO L131 PetriNetUnfolder]: For 235/245 co-relation queries the response was YES. [2023-08-29 18:53:05,316 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7082 conditions, 4536 events. 1102/4536 cut-off events. For 235/245 co-relation queries the response was YES. Maximal size of possible extension queue 156. Compared 42299 event pairs, 237 based on Foata normal form. 0/4249 useless extension candidates. Maximal degree in co-relation 7064. Up to 1499 conditions per place. [2023-08-29 18:53:05,328 INFO L137 encePairwiseOnDemand]: 1346/1350 looper letters, 75 selfloop transitions, 2 changer transitions 0/186 dead transitions. [2023-08-29 18:53:05,328 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 174 places, 186 transitions, 689 flow [2023-08-29 18:53:05,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 18:53:05,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 18:53:05,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2032 transitions. [2023-08-29 18:53:05,333 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5017283950617284 [2023-08-29 18:53:05,333 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2032 transitions. [2023-08-29 18:53:05,333 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2032 transitions. [2023-08-29 18:53:05,334 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:53:05,334 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2032 transitions. [2023-08-29 18:53:05,336 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 677.3333333333334) internal successors, (2032), 3 states have internal predecessors, (2032), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:53:05,340 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1350.0) internal successors, (5400), 4 states have internal predecessors, (5400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:53:05,341 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1350.0) internal successors, (5400), 4 states have internal predecessors, (5400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:53:05,341 INFO L175 Difference]: Start difference. First operand has 174 places, 166 transitions, 484 flow. Second operand 3 states and 2032 transitions. [2023-08-29 18:53:05,341 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 174 places, 186 transitions, 689 flow [2023-08-29 18:53:05,344 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 174 places, 186 transitions, 689 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 18:53:05,346 INFO L231 Difference]: Finished difference. Result has 175 places, 166 transitions, 494 flow [2023-08-29 18:53:05,347 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1350, PETRI_DIFFERENCE_MINUEND_FLOW=480, PETRI_DIFFERENCE_MINUEND_PLACES=172, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=164, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=162, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=494, PETRI_PLACES=175, PETRI_TRANSITIONS=166} [2023-08-29 18:53:05,347 INFO L281 CegarLoopForPetriNet]: 211 programPoint places, -36 predicate places. [2023-08-29 18:53:05,348 INFO L495 AbstractCegarLoop]: Abstraction has has 175 places, 166 transitions, 494 flow [2023-08-29 18:53:05,348 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 660.3333333333334) internal successors, (1981), 3 states have internal predecessors, (1981), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:53:05,348 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:53:05,348 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 18:53:05,348 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-08-29 18:53:05,349 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting thread2Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 128 more)] === [2023-08-29 18:53:05,349 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:53:05,349 INFO L85 PathProgramCache]: Analyzing trace with hash -793247886, now seen corresponding path program 1 times [2023-08-29 18:53:05,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:53:05,349 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1671658137] [2023-08-29 18:53:05,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:53:05,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:53:05,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:53:05,483 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-08-29 18:53:05,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:53:05,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1671658137] [2023-08-29 18:53:05,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1671658137] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:53:05,484 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:53:05,484 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 18:53:05,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275608015] [2023-08-29 18:53:05,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:53:05,488 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 18:53:05,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:53:05,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 18:53:05,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 18:53:05,647 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 641 out of 1350 [2023-08-29 18:53:05,648 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 175 places, 166 transitions, 494 flow. Second operand has 3 states, 3 states have (on average 647.6666666666666) internal successors, (1943), 3 states have internal predecessors, (1943), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:53:05,648 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:53:05,648 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 641 of 1350 [2023-08-29 18:53:05,648 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:53:06,203 INFO L130 PetriNetUnfolder]: 1116/4542 cut-off events. [2023-08-29 18:53:06,204 INFO L131 PetriNetUnfolder]: For 248/258 co-relation queries the response was YES. [2023-08-29 18:53:06,223 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7257 conditions, 4542 events. 1116/4542 cut-off events. For 248/258 co-relation queries the response was YES. Maximal size of possible extension queue 159. Compared 42165 event pairs, 271 based on Foata normal form. 0/4257 useless extension candidates. Maximal degree in co-relation 7238. Up to 1405 conditions per place. [2023-08-29 18:53:06,233 INFO L137 encePairwiseOnDemand]: 1346/1350 looper letters, 79 selfloop transitions, 2 changer transitions 0/188 dead transitions. [2023-08-29 18:53:06,233 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 175 places, 188 transitions, 715 flow [2023-08-29 18:53:06,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 18:53:06,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 18:53:06,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1995 transitions. [2023-08-29 18:53:06,238 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4925925925925926 [2023-08-29 18:53:06,238 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1995 transitions. [2023-08-29 18:53:06,238 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1995 transitions. [2023-08-29 18:53:06,239 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:53:06,239 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1995 transitions. [2023-08-29 18:53:06,242 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 665.0) internal successors, (1995), 3 states have internal predecessors, (1995), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:53:06,246 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1350.0) internal successors, (5400), 4 states have internal predecessors, (5400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:53:06,247 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1350.0) internal successors, (5400), 4 states have internal predecessors, (5400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:53:06,247 INFO L175 Difference]: Start difference. First operand has 175 places, 166 transitions, 494 flow. Second operand 3 states and 1995 transitions. [2023-08-29 18:53:06,247 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 175 places, 188 transitions, 715 flow [2023-08-29 18:53:06,250 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 175 places, 188 transitions, 715 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 18:53:06,252 INFO L231 Difference]: Finished difference. Result has 176 places, 166 transitions, 504 flow [2023-08-29 18:53:06,252 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1350, PETRI_DIFFERENCE_MINUEND_FLOW=490, PETRI_DIFFERENCE_MINUEND_PLACES=173, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=164, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=162, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=504, PETRI_PLACES=176, PETRI_TRANSITIONS=166} [2023-08-29 18:53:06,253 INFO L281 CegarLoopForPetriNet]: 211 programPoint places, -35 predicate places. [2023-08-29 18:53:06,253 INFO L495 AbstractCegarLoop]: Abstraction has has 176 places, 166 transitions, 504 flow [2023-08-29 18:53:06,253 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 647.6666666666666) internal successors, (1943), 3 states have internal predecessors, (1943), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:53:06,254 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:53:06,254 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 18:53:06,254 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-08-29 18:53:06,254 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting thread1Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 128 more)] === [2023-08-29 18:53:06,254 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:53:06,255 INFO L85 PathProgramCache]: Analyzing trace with hash 1892854689, now seen corresponding path program 1 times [2023-08-29 18:53:06,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:53:06,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1969553254] [2023-08-29 18:53:06,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:53:06,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:53:06,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:53:06,385 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-08-29 18:53:06,385 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:53:06,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1969553254] [2023-08-29 18:53:06,385 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1969553254] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:53:06,385 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:53:06,385 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 18:53:06,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615071988] [2023-08-29 18:53:06,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:53:06,387 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 18:53:06,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:53:06,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 18:53:06,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 18:53:06,547 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 641 out of 1350 [2023-08-29 18:53:06,549 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 176 places, 166 transitions, 504 flow. Second operand has 3 states, 3 states have (on average 646.3333333333334) internal successors, (1939), 3 states have internal predecessors, (1939), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:53:06,549 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:53:06,549 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 641 of 1350 [2023-08-29 18:53:06,549 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:53:07,144 INFO L130 PetriNetUnfolder]: 1091/4664 cut-off events. [2023-08-29 18:53:07,144 INFO L131 PetriNetUnfolder]: For 298/308 co-relation queries the response was YES. [2023-08-29 18:53:07,162 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7475 conditions, 4664 events. 1091/4664 cut-off events. For 298/308 co-relation queries the response was YES. Maximal size of possible extension queue 144. Compared 43414 event pairs, 263 based on Foata normal form. 0/4422 useless extension candidates. Maximal degree in co-relation 7455. Up to 1384 conditions per place. [2023-08-29 18:53:07,170 INFO L137 encePairwiseOnDemand]: 1346/1350 looper letters, 79 selfloop transitions, 2 changer transitions 0/188 dead transitions. [2023-08-29 18:53:07,171 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 176 places, 188 transitions, 727 flow [2023-08-29 18:53:07,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 18:53:07,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 18:53:07,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1994 transitions. [2023-08-29 18:53:07,179 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.49234567901234566 [2023-08-29 18:53:07,180 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1994 transitions. [2023-08-29 18:53:07,180 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1994 transitions. [2023-08-29 18:53:07,180 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:53:07,180 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1994 transitions. [2023-08-29 18:53:07,183 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 664.6666666666666) internal successors, (1994), 3 states have internal predecessors, (1994), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:53:07,187 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1350.0) internal successors, (5400), 4 states have internal predecessors, (5400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:53:07,188 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1350.0) internal successors, (5400), 4 states have internal predecessors, (5400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:53:07,189 INFO L175 Difference]: Start difference. First operand has 176 places, 166 transitions, 504 flow. Second operand 3 states and 1994 transitions. [2023-08-29 18:53:07,189 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 176 places, 188 transitions, 727 flow [2023-08-29 18:53:07,192 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 176 places, 188 transitions, 727 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 18:53:07,194 INFO L231 Difference]: Finished difference. Result has 177 places, 166 transitions, 514 flow [2023-08-29 18:53:07,194 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1350, PETRI_DIFFERENCE_MINUEND_FLOW=500, PETRI_DIFFERENCE_MINUEND_PLACES=174, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=164, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=162, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=514, PETRI_PLACES=177, PETRI_TRANSITIONS=166} [2023-08-29 18:53:07,195 INFO L281 CegarLoopForPetriNet]: 211 programPoint places, -34 predicate places. [2023-08-29 18:53:07,195 INFO L495 AbstractCegarLoop]: Abstraction has has 177 places, 166 transitions, 514 flow [2023-08-29 18:53:07,196 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 646.3333333333334) internal successors, (1939), 3 states have internal predecessors, (1939), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:53:07,196 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:53:07,196 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 18:53:07,196 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-08-29 18:53:07,196 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting thread2Err24ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 128 more)] === [2023-08-29 18:53:07,197 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:53:07,197 INFO L85 PathProgramCache]: Analyzing trace with hash -2101563485, now seen corresponding path program 1 times [2023-08-29 18:53:07,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:53:07,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233377999] [2023-08-29 18:53:07,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:53:07,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:53:07,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:53:07,277 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-08-29 18:53:07,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:53:07,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [233377999] [2023-08-29 18:53:07,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [233377999] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:53:07,277 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:53:07,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-29 18:53:07,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328470881] [2023-08-29 18:53:07,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:53:07,278 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 18:53:07,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:53:07,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 18:53:07,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 18:53:07,287 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 654 out of 1350 [2023-08-29 18:53:07,288 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 177 places, 166 transitions, 514 flow. Second operand has 3 states, 3 states have (on average 661.0) internal successors, (1983), 3 states have internal predecessors, (1983), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:53:07,288 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:53:07,289 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 654 of 1350 [2023-08-29 18:53:07,289 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:53:07,832 INFO L130 PetriNetUnfolder]: 1101/4746 cut-off events. [2023-08-29 18:53:07,832 INFO L131 PetriNetUnfolder]: For 358/368 co-relation queries the response was YES. [2023-08-29 18:53:07,852 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7677 conditions, 4746 events. 1101/4746 cut-off events. For 358/368 co-relation queries the response was YES. Maximal size of possible extension queue 144. Compared 44385 event pairs, 585 based on Foata normal form. 0/4491 useless extension candidates. Maximal degree in co-relation 7656. Up to 1413 conditions per place. [2023-08-29 18:53:07,862 INFO L137 encePairwiseOnDemand]: 1346/1350 looper letters, 72 selfloop transitions, 3 changer transitions 0/184 dead transitions. [2023-08-29 18:53:07,862 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 179 places, 184 transitions, 710 flow [2023-08-29 18:53:07,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 18:53:07,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 18:53:07,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2024 transitions. [2023-08-29 18:53:07,866 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4997530864197531 [2023-08-29 18:53:07,866 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2024 transitions. [2023-08-29 18:53:07,866 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2024 transitions. [2023-08-29 18:53:07,867 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:53:07,867 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2024 transitions. [2023-08-29 18:53:07,869 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 674.6666666666666) internal successors, (2024), 3 states have internal predecessors, (2024), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:53:07,872 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1350.0) internal successors, (5400), 4 states have internal predecessors, (5400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:53:07,872 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1350.0) internal successors, (5400), 4 states have internal predecessors, (5400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:53:07,872 INFO L175 Difference]: Start difference. First operand has 177 places, 166 transitions, 514 flow. Second operand 3 states and 2024 transitions. [2023-08-29 18:53:07,872 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 179 places, 184 transitions, 710 flow [2023-08-29 18:53:07,875 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 179 places, 184 transitions, 710 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 18:53:07,877 INFO L231 Difference]: Finished difference. Result has 181 places, 168 transitions, 536 flow [2023-08-29 18:53:07,877 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1350, PETRI_DIFFERENCE_MINUEND_FLOW=514, PETRI_DIFFERENCE_MINUEND_PLACES=177, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=166, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=163, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=536, PETRI_PLACES=181, PETRI_TRANSITIONS=168} [2023-08-29 18:53:07,878 INFO L281 CegarLoopForPetriNet]: 211 programPoint places, -30 predicate places. [2023-08-29 18:53:07,878 INFO L495 AbstractCegarLoop]: Abstraction has has 181 places, 168 transitions, 536 flow [2023-08-29 18:53:07,878 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 661.0) internal successors, (1983), 3 states have internal predecessors, (1983), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:53:07,878 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:53:07,878 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 18:53:07,878 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-08-29 18:53:07,879 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting thread1Err24ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 128 more)] === [2023-08-29 18:53:07,879 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:53:07,879 INFO L85 PathProgramCache]: Analyzing trace with hash -2032129290, now seen corresponding path program 1 times [2023-08-29 18:53:07,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:53:07,879 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1891912158] [2023-08-29 18:53:07,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:53:07,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:53:07,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:53:07,945 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-08-29 18:53:07,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:53:07,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1891912158] [2023-08-29 18:53:07,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1891912158] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:53:07,946 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:53:07,946 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-29 18:53:07,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007922925] [2023-08-29 18:53:07,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:53:07,947 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 18:53:07,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:53:07,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 18:53:07,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 18:53:07,954 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 654 out of 1350 [2023-08-29 18:53:07,955 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 181 places, 168 transitions, 536 flow. Second operand has 3 states, 3 states have (on average 659.3333333333334) internal successors, (1978), 3 states have internal predecessors, (1978), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:53:07,955 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:53:07,955 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 654 of 1350 [2023-08-29 18:53:07,956 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:53:08,434 INFO L130 PetriNetUnfolder]: 1174/5115 cut-off events. [2023-08-29 18:53:08,435 INFO L131 PetriNetUnfolder]: For 649/659 co-relation queries the response was YES. [2023-08-29 18:53:08,458 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8610 conditions, 5115 events. 1174/5115 cut-off events. For 649/659 co-relation queries the response was YES. Maximal size of possible extension queue 138. Compared 47728 event pairs, 712 based on Foata normal form. 0/4929 useless extension candidates. Maximal degree in co-relation 8587. Up to 1670 conditions per place. [2023-08-29 18:53:08,468 INFO L137 encePairwiseOnDemand]: 1346/1350 looper letters, 82 selfloop transitions, 3 changer transitions 0/194 dead transitions. [2023-08-29 18:53:08,468 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 183 places, 194 transitions, 795 flow [2023-08-29 18:53:08,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 18:53:08,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 18:53:08,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2029 transitions. [2023-08-29 18:53:08,477 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5009876543209877 [2023-08-29 18:53:08,477 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2029 transitions. [2023-08-29 18:53:08,477 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2029 transitions. [2023-08-29 18:53:08,477 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:53:08,478 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2029 transitions. [2023-08-29 18:53:08,480 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 676.3333333333334) internal successors, (2029), 3 states have internal predecessors, (2029), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:53:08,483 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1350.0) internal successors, (5400), 4 states have internal predecessors, (5400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:53:08,483 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1350.0) internal successors, (5400), 4 states have internal predecessors, (5400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:53:08,483 INFO L175 Difference]: Start difference. First operand has 181 places, 168 transitions, 536 flow. Second operand 3 states and 2029 transitions. [2023-08-29 18:53:08,483 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 183 places, 194 transitions, 795 flow [2023-08-29 18:53:08,490 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 181 places, 194 transitions, 783 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-29 18:53:08,492 INFO L231 Difference]: Finished difference. Result has 183 places, 170 transitions, 552 flow [2023-08-29 18:53:08,492 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1350, PETRI_DIFFERENCE_MINUEND_FLOW=530, PETRI_DIFFERENCE_MINUEND_PLACES=179, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=168, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=165, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=552, PETRI_PLACES=183, PETRI_TRANSITIONS=170} [2023-08-29 18:53:08,493 INFO L281 CegarLoopForPetriNet]: 211 programPoint places, -28 predicate places. [2023-08-29 18:53:08,493 INFO L495 AbstractCegarLoop]: Abstraction has has 183 places, 170 transitions, 552 flow [2023-08-29 18:53:08,493 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 659.3333333333334) internal successors, (1978), 3 states have internal predecessors, (1978), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:53:08,493 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:53:08,493 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 18:53:08,493 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-08-29 18:53:08,494 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting thread2Err24ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 128 more)] === [2023-08-29 18:53:08,494 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:53:08,494 INFO L85 PathProgramCache]: Analyzing trace with hash 880850188, now seen corresponding path program 1 times [2023-08-29 18:53:08,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:53:08,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490576624] [2023-08-29 18:53:08,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:53:08,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:53:08,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:53:08,565 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-08-29 18:53:08,565 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:53:08,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490576624] [2023-08-29 18:53:08,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1490576624] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:53:08,565 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:53:08,566 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 18:53:08,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379017011] [2023-08-29 18:53:08,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:53:08,567 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 18:53:08,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:53:08,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 18:53:08,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 18:53:08,582 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 653 out of 1350 [2023-08-29 18:53:08,583 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 183 places, 170 transitions, 552 flow. Second operand has 3 states, 3 states have (on average 661.0) internal successors, (1983), 3 states have internal predecessors, (1983), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:53:08,583 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:53:08,583 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 653 of 1350 [2023-08-29 18:53:08,583 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:53:09,237 INFO L130 PetriNetUnfolder]: 1174/4897 cut-off events. [2023-08-29 18:53:09,237 INFO L131 PetriNetUnfolder]: For 746/756 co-relation queries the response was YES. [2023-08-29 18:53:09,256 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8733 conditions, 4897 events. 1174/4897 cut-off events. For 746/756 co-relation queries the response was YES. Maximal size of possible extension queue 135. Compared 45205 event pairs, 818 based on Foata normal form. 100/4859 useless extension candidates. Maximal degree in co-relation 8709. Up to 1908 conditions per place. [2023-08-29 18:53:09,266 INFO L137 encePairwiseOnDemand]: 1346/1350 looper letters, 75 selfloop transitions, 4 changer transitions 0/187 dead transitions. [2023-08-29 18:53:09,266 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 184 places, 187 transitions, 772 flow [2023-08-29 18:53:09,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 18:53:09,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 18:53:09,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2019 transitions. [2023-08-29 18:53:09,269 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4985185185185185 [2023-08-29 18:53:09,269 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2019 transitions. [2023-08-29 18:53:09,270 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2019 transitions. [2023-08-29 18:53:09,270 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:53:09,271 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2019 transitions. [2023-08-29 18:53:09,273 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 673.0) internal successors, (2019), 3 states have internal predecessors, (2019), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:53:09,276 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1350.0) internal successors, (5400), 4 states have internal predecessors, (5400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:53:09,277 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1350.0) internal successors, (5400), 4 states have internal predecessors, (5400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:53:09,277 INFO L175 Difference]: Start difference. First operand has 183 places, 170 transitions, 552 flow. Second operand 3 states and 2019 transitions. [2023-08-29 18:53:09,277 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 184 places, 187 transitions, 772 flow [2023-08-29 18:53:09,284 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 182 places, 187 transitions, 760 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-29 18:53:09,287 INFO L231 Difference]: Finished difference. Result has 182 places, 169 transitions, 552 flow [2023-08-29 18:53:09,287 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1350, PETRI_DIFFERENCE_MINUEND_FLOW=544, PETRI_DIFFERENCE_MINUEND_PLACES=180, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=169, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=165, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=552, PETRI_PLACES=182, PETRI_TRANSITIONS=169} [2023-08-29 18:53:09,287 INFO L281 CegarLoopForPetriNet]: 211 programPoint places, -29 predicate places. [2023-08-29 18:53:09,287 INFO L495 AbstractCegarLoop]: Abstraction has has 182 places, 169 transitions, 552 flow [2023-08-29 18:53:09,288 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 661.0) internal successors, (1983), 3 states have internal predecessors, (1983), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:53:09,288 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:53:09,288 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 18:53:09,288 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-08-29 18:53:09,288 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting thread1Err24ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 128 more)] === [2023-08-29 18:53:09,288 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:53:09,288 INFO L85 PathProgramCache]: Analyzing trace with hash -302474717, now seen corresponding path program 1 times [2023-08-29 18:53:09,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:53:09,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074047265] [2023-08-29 18:53:09,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:53:09,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:53:09,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:53:09,347 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-08-29 18:53:09,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:53:09,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1074047265] [2023-08-29 18:53:09,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1074047265] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:53:09,347 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:53:09,348 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 18:53:09,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7909476] [2023-08-29 18:53:09,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:53:09,349 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 18:53:09,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:53:09,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 18:53:09,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 18:53:09,364 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 653 out of 1350 [2023-08-29 18:53:09,365 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 182 places, 169 transitions, 552 flow. Second operand has 3 states, 3 states have (on average 659.3333333333334) internal successors, (1978), 3 states have internal predecessors, (1978), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:53:09,365 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:53:09,365 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 653 of 1350 [2023-08-29 18:53:09,365 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:53:09,918 INFO L130 PetriNetUnfolder]: 1174/4859 cut-off events. [2023-08-29 18:53:09,918 INFO L131 PetriNetUnfolder]: For 688/698 co-relation queries the response was YES. [2023-08-29 18:53:09,947 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8727 conditions, 4859 events. 1174/4859 cut-off events. For 688/698 co-relation queries the response was YES. Maximal size of possible extension queue 133. Compared 44365 event pairs, 793 based on Foata normal form. 116/4829 useless extension candidates. Maximal degree in co-relation 8703. Up to 1861 conditions per place. [2023-08-29 18:53:09,959 INFO L137 encePairwiseOnDemand]: 1346/1350 looper letters, 81 selfloop transitions, 4 changer transitions 0/192 dead transitions. [2023-08-29 18:53:09,959 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 183 places, 192 transitions, 807 flow [2023-08-29 18:53:09,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 18:53:09,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 18:53:09,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2024 transitions. [2023-08-29 18:53:09,963 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4997530864197531 [2023-08-29 18:53:09,963 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2024 transitions. [2023-08-29 18:53:09,963 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2024 transitions. [2023-08-29 18:53:09,964 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:53:09,964 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2024 transitions. [2023-08-29 18:53:09,966 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 674.6666666666666) internal successors, (2024), 3 states have internal predecessors, (2024), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:53:09,969 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1350.0) internal successors, (5400), 4 states have internal predecessors, (5400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:53:09,969 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1350.0) internal successors, (5400), 4 states have internal predecessors, (5400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:53:09,969 INFO L175 Difference]: Start difference. First operand has 182 places, 169 transitions, 552 flow. Second operand 3 states and 2024 transitions. [2023-08-29 18:53:09,969 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 183 places, 192 transitions, 807 flow [2023-08-29 18:53:09,978 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 181 places, 192 transitions, 791 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-29 18:53:09,980 INFO L231 Difference]: Finished difference. Result has 181 places, 168 transitions, 550 flow [2023-08-29 18:53:09,980 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1350, PETRI_DIFFERENCE_MINUEND_FLOW=542, PETRI_DIFFERENCE_MINUEND_PLACES=179, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=168, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=164, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=550, PETRI_PLACES=181, PETRI_TRANSITIONS=168} [2023-08-29 18:53:09,980 INFO L281 CegarLoopForPetriNet]: 211 programPoint places, -30 predicate places. [2023-08-29 18:53:09,980 INFO L495 AbstractCegarLoop]: Abstraction has has 181 places, 168 transitions, 550 flow [2023-08-29 18:53:09,981 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 659.3333333333334) internal successors, (1978), 3 states have internal predecessors, (1978), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:53:09,981 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:53:09,981 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, 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, 1, 1, 1] [2023-08-29 18:53:09,981 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-08-29 18:53:09,981 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 128 more)] === [2023-08-29 18:53:09,982 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:53:09,982 INFO L85 PathProgramCache]: Analyzing trace with hash -863800500, now seen corresponding path program 1 times [2023-08-29 18:53:09,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:53:09,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452765847] [2023-08-29 18:53:09,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:53:09,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:53:10,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:53:10,457 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-08-29 18:53:10,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:53:10,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1452765847] [2023-08-29 18:53:10,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1452765847] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:53:10,458 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:53:10,458 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 18:53:10,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [249580823] [2023-08-29 18:53:10,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:53:10,459 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 18:53:10,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:53:10,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 18:53:10,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 18:53:10,870 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 642 out of 1350 [2023-08-29 18:53:10,871 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 181 places, 168 transitions, 550 flow. Second operand has 6 states, 6 states have (on average 646.6666666666666) internal successors, (3880), 6 states have internal predecessors, (3880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:53:10,871 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:53:10,871 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 642 of 1350 [2023-08-29 18:53:10,871 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:53:11,518 INFO L130 PetriNetUnfolder]: 1278/4930 cut-off events. [2023-08-29 18:53:11,518 INFO L131 PetriNetUnfolder]: For 702/712 co-relation queries the response was YES. [2023-08-29 18:53:11,537 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9138 conditions, 4930 events. 1278/4930 cut-off events. For 702/712 co-relation queries the response was YES. Maximal size of possible extension queue 134. Compared 44508 event pairs, 903 based on Foata normal form. 0/4817 useless extension candidates. Maximal degree in co-relation 9114. Up to 2069 conditions per place. [2023-08-29 18:53:11,540 INFO L137 encePairwiseOnDemand]: 1345/1350 looper letters, 0 selfloop transitions, 0 changer transitions 251/251 dead transitions. [2023-08-29 18:53:11,540 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 185 places, 251 transitions, 1134 flow [2023-08-29 18:53:11,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 18:53:11,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 18:53:11,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3969 transitions. [2023-08-29 18:53:11,545 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.49 [2023-08-29 18:53:11,545 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3969 transitions. [2023-08-29 18:53:11,545 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3969 transitions. [2023-08-29 18:53:11,546 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:53:11,546 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3969 transitions. [2023-08-29 18:53:11,550 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 661.5) internal successors, (3969), 6 states have internal predecessors, (3969), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:53:11,555 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1350.0) internal successors, (9450), 7 states have internal predecessors, (9450), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:53:11,556 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1350.0) internal successors, (9450), 7 states have internal predecessors, (9450), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:53:11,556 INFO L175 Difference]: Start difference. First operand has 181 places, 168 transitions, 550 flow. Second operand 6 states and 3969 transitions. [2023-08-29 18:53:11,556 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 185 places, 251 transitions, 1134 flow [2023-08-29 18:53:11,566 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 183 places, 251 transitions, 1126 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-29 18:53:11,567 INFO L231 Difference]: Finished difference. Result has 183 places, 0 transitions, 0 flow [2023-08-29 18:53:11,568 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1350, PETRI_DIFFERENCE_MINUEND_FLOW=540, PETRI_DIFFERENCE_MINUEND_PLACES=178, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=167, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=167, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=183, PETRI_TRANSITIONS=0} [2023-08-29 18:53:11,568 INFO L281 CegarLoopForPetriNet]: 211 programPoint places, -28 predicate places. [2023-08-29 18:53:11,568 INFO L495 AbstractCegarLoop]: Abstraction has has 183 places, 0 transitions, 0 flow [2023-08-29 18:53:11,569 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 646.6666666666666) internal successors, (3880), 6 states have internal predecessors, (3880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:53:11,571 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (131 of 132 remaining) [2023-08-29 18:53:11,572 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (130 of 132 remaining) [2023-08-29 18:53:11,572 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (129 of 132 remaining) [2023-08-29 18:53:11,572 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (128 of 132 remaining) [2023-08-29 18:53:11,572 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (127 of 132 remaining) [2023-08-29 18:53:11,572 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (126 of 132 remaining) [2023-08-29 18:53:11,572 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (125 of 132 remaining) [2023-08-29 18:53:11,572 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (124 of 132 remaining) [2023-08-29 18:53:11,572 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (123 of 132 remaining) [2023-08-29 18:53:11,572 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (122 of 132 remaining) [2023-08-29 18:53:11,573 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (121 of 132 remaining) [2023-08-29 18:53:11,573 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (120 of 132 remaining) [2023-08-29 18:53:11,573 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (119 of 132 remaining) [2023-08-29 18:53:11,573 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (118 of 132 remaining) [2023-08-29 18:53:11,573 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (117 of 132 remaining) [2023-08-29 18:53:11,573 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (116 of 132 remaining) [2023-08-29 18:53:11,573 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONDATA_RACE (115 of 132 remaining) [2023-08-29 18:53:11,573 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (114 of 132 remaining) [2023-08-29 18:53:11,573 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (113 of 132 remaining) [2023-08-29 18:53:11,574 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (112 of 132 remaining) [2023-08-29 18:53:11,574 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONDATA_RACE (111 of 132 remaining) [2023-08-29 18:53:11,574 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err24ASSERT_VIOLATIONDATA_RACE (110 of 132 remaining) [2023-08-29 18:53:11,574 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err21ASSERT_VIOLATIONDATA_RACE (109 of 132 remaining) [2023-08-29 18:53:11,574 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err22ASSERT_VIOLATIONDATA_RACE (108 of 132 remaining) [2023-08-29 18:53:11,574 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err23ASSERT_VIOLATIONDATA_RACE (107 of 132 remaining) [2023-08-29 18:53:11,574 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (106 of 132 remaining) [2023-08-29 18:53:11,574 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (105 of 132 remaining) [2023-08-29 18:53:11,574 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (104 of 132 remaining) [2023-08-29 18:53:11,575 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (103 of 132 remaining) [2023-08-29 18:53:11,575 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (102 of 132 remaining) [2023-08-29 18:53:11,575 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (101 of 132 remaining) [2023-08-29 18:53:11,575 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (100 of 132 remaining) [2023-08-29 18:53:11,575 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (99 of 132 remaining) [2023-08-29 18:53:11,575 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (98 of 132 remaining) [2023-08-29 18:53:11,575 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (97 of 132 remaining) [2023-08-29 18:53:11,575 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (96 of 132 remaining) [2023-08-29 18:53:11,575 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (95 of 132 remaining) [2023-08-29 18:53:11,575 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (94 of 132 remaining) [2023-08-29 18:53:11,576 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (93 of 132 remaining) [2023-08-29 18:53:11,576 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (92 of 132 remaining) [2023-08-29 18:53:11,576 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (91 of 132 remaining) [2023-08-29 18:53:11,576 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (90 of 132 remaining) [2023-08-29 18:53:11,576 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (89 of 132 remaining) [2023-08-29 18:53:11,576 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (88 of 132 remaining) [2023-08-29 18:53:11,576 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (87 of 132 remaining) [2023-08-29 18:53:11,576 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (86 of 132 remaining) [2023-08-29 18:53:11,576 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err24ASSERT_VIOLATIONDATA_RACE (85 of 132 remaining) [2023-08-29 18:53:11,577 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (84 of 132 remaining) [2023-08-29 18:53:11,577 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (83 of 132 remaining) [2023-08-29 18:53:11,577 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONDATA_RACE (82 of 132 remaining) [2023-08-29 18:53:11,577 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (81 of 132 remaining) [2023-08-29 18:53:11,577 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (80 of 132 remaining) [2023-08-29 18:53:11,577 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (79 of 132 remaining) [2023-08-29 18:53:11,577 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (78 of 132 remaining) [2023-08-29 18:53:11,577 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (77 of 132 remaining) [2023-08-29 18:53:11,577 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (76 of 132 remaining) [2023-08-29 18:53:11,578 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (75 of 132 remaining) [2023-08-29 18:53:11,578 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (74 of 132 remaining) [2023-08-29 18:53:11,578 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (73 of 132 remaining) [2023-08-29 18:53:11,578 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (72 of 132 remaining) [2023-08-29 18:53:11,578 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (71 of 132 remaining) [2023-08-29 18:53:11,578 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (70 of 132 remaining) [2023-08-29 18:53:11,578 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (69 of 132 remaining) [2023-08-29 18:53:11,578 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (68 of 132 remaining) [2023-08-29 18:53:11,578 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (67 of 132 remaining) [2023-08-29 18:53:11,579 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (66 of 132 remaining) [2023-08-29 18:53:11,579 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (65 of 132 remaining) [2023-08-29 18:53:11,579 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (64 of 132 remaining) [2023-08-29 18:53:11,579 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (63 of 132 remaining) [2023-08-29 18:53:11,579 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (62 of 132 remaining) [2023-08-29 18:53:11,579 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE (61 of 132 remaining) [2023-08-29 18:53:11,579 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE (60 of 132 remaining) [2023-08-29 18:53:11,579 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONDATA_RACE (59 of 132 remaining) [2023-08-29 18:53:11,579 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE (58 of 132 remaining) [2023-08-29 18:53:11,579 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE (57 of 132 remaining) [2023-08-29 18:53:11,580 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONDATA_RACE (56 of 132 remaining) [2023-08-29 18:53:11,580 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONDATA_RACE (55 of 132 remaining) [2023-08-29 18:53:11,580 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONDATA_RACE (54 of 132 remaining) [2023-08-29 18:53:11,580 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONDATA_RACE (53 of 132 remaining) [2023-08-29 18:53:11,580 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONDATA_RACE (52 of 132 remaining) [2023-08-29 18:53:11,580 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (51 of 132 remaining) [2023-08-29 18:53:11,580 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (50 of 132 remaining) [2023-08-29 18:53:11,580 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (49 of 132 remaining) [2023-08-29 18:53:11,580 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (48 of 132 remaining) [2023-08-29 18:53:11,580 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (47 of 132 remaining) [2023-08-29 18:53:11,580 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (46 of 132 remaining) [2023-08-29 18:53:11,581 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (45 of 132 remaining) [2023-08-29 18:53:11,581 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (44 of 132 remaining) [2023-08-29 18:53:11,581 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (43 of 132 remaining) [2023-08-29 18:53:11,581 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (42 of 132 remaining) [2023-08-29 18:53:11,581 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (41 of 132 remaining) [2023-08-29 18:53:11,581 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (40 of 132 remaining) [2023-08-29 18:53:11,581 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (39 of 132 remaining) [2023-08-29 18:53:11,581 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (38 of 132 remaining) [2023-08-29 18:53:11,581 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (37 of 132 remaining) [2023-08-29 18:53:11,582 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (36 of 132 remaining) [2023-08-29 18:53:11,582 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (35 of 132 remaining) [2023-08-29 18:53:11,582 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (34 of 132 remaining) [2023-08-29 18:53:11,582 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONDATA_RACE (33 of 132 remaining) [2023-08-29 18:53:11,582 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (32 of 132 remaining) [2023-08-29 18:53:11,582 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (31 of 132 remaining) [2023-08-29 18:53:11,582 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (30 of 132 remaining) [2023-08-29 18:53:11,582 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONDATA_RACE (29 of 132 remaining) [2023-08-29 18:53:11,582 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err24ASSERT_VIOLATIONDATA_RACE (28 of 132 remaining) [2023-08-29 18:53:11,583 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err21ASSERT_VIOLATIONDATA_RACE (27 of 132 remaining) [2023-08-29 18:53:11,583 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err22ASSERT_VIOLATIONDATA_RACE (26 of 132 remaining) [2023-08-29 18:53:11,583 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err23ASSERT_VIOLATIONDATA_RACE (25 of 132 remaining) [2023-08-29 18:53:11,583 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (24 of 132 remaining) [2023-08-29 18:53:11,583 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (23 of 132 remaining) [2023-08-29 18:53:11,583 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (22 of 132 remaining) [2023-08-29 18:53:11,583 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (21 of 132 remaining) [2023-08-29 18:53:11,583 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (20 of 132 remaining) [2023-08-29 18:53:11,583 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (19 of 132 remaining) [2023-08-29 18:53:11,584 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (18 of 132 remaining) [2023-08-29 18:53:11,584 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (17 of 132 remaining) [2023-08-29 18:53:11,584 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (16 of 132 remaining) [2023-08-29 18:53:11,584 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (15 of 132 remaining) [2023-08-29 18:53:11,584 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (14 of 132 remaining) [2023-08-29 18:53:11,584 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (13 of 132 remaining) [2023-08-29 18:53:11,584 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (12 of 132 remaining) [2023-08-29 18:53:11,584 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (11 of 132 remaining) [2023-08-29 18:53:11,584 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (10 of 132 remaining) [2023-08-29 18:53:11,584 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (9 of 132 remaining) [2023-08-29 18:53:11,585 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (8 of 132 remaining) [2023-08-29 18:53:11,585 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (7 of 132 remaining) [2023-08-29 18:53:11,585 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (6 of 132 remaining) [2023-08-29 18:53:11,585 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (5 of 132 remaining) [2023-08-29 18:53:11,585 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (4 of 132 remaining) [2023-08-29 18:53:11,585 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err24ASSERT_VIOLATIONDATA_RACE (3 of 132 remaining) [2023-08-29 18:53:11,585 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (2 of 132 remaining) [2023-08-29 18:53:11,585 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (1 of 132 remaining) [2023-08-29 18:53:11,585 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONDATA_RACE (0 of 132 remaining) [2023-08-29 18:53:11,586 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-08-29 18:53:11,586 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 18:53:11,591 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-29 18:53:11,591 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-29 18:53:11,594 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 06:53:11 BasicIcfg [2023-08-29 18:53:11,594 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-29 18:53:11,595 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-29 18:53:11,595 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-29 18:53:11,595 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-29 18:53:11,596 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 06:52:37" (3/4) ... [2023-08-29 18:53:11,598 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-29 18:53:11,603 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-08-29 18:53:11,603 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-08-29 18:53:11,611 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 35 nodes and edges [2023-08-29 18:53:11,611 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-08-29 18:53:11,612 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-08-29 18:53:11,612 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-08-29 18:53:11,660 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-29 18:53:11,660 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-29 18:53:11,661 INFO L158 Benchmark]: Toolchain (without parser) took 35672.17ms. Allocated memory was 75.5MB in the beginning and 1.4GB in the end (delta: 1.3GB). Free memory was 53.0MB in the beginning and 1.0GB in the end (delta: -988.0MB). Peak memory consumption was 304.4MB. Max. memory is 16.1GB. [2023-08-29 18:53:11,661 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 58.7MB. Free memory is still 36.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 18:53:11,661 INFO L158 Benchmark]: CACSL2BoogieTranslator took 353.40ms. Allocated memory is still 75.5MB. Free memory was 52.8MB in the beginning and 38.7MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-08-29 18:53:11,661 INFO L158 Benchmark]: Boogie Procedure Inliner took 89.71ms. Allocated memory is still 75.5MB. Free memory was 38.5MB in the beginning and 53.9MB in the end (delta: -15.4MB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. [2023-08-29 18:53:11,661 INFO L158 Benchmark]: Boogie Preprocessor took 93.74ms. Allocated memory is still 75.5MB. Free memory was 53.9MB in the beginning and 50.2MB in the end (delta: 3.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 18:53:11,662 INFO L158 Benchmark]: RCFGBuilder took 1170.82ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 50.0MB in the beginning and 66.0MB in the end (delta: -16.0MB). Peak memory consumption was 28.1MB. Max. memory is 16.1GB. [2023-08-29 18:53:11,662 INFO L158 Benchmark]: TraceAbstraction took 33891.68ms. Allocated memory was 92.3MB in the beginning and 1.4GB in the end (delta: 1.3GB). Free memory was 65.5MB in the beginning and 1.0GB in the end (delta: -981.8MB). Peak memory consumption was 892.5MB. Max. memory is 16.1GB. [2023-08-29 18:53:11,662 INFO L158 Benchmark]: Witness Printer took 65.17ms. Allocated memory is still 1.4GB. Free memory was 1.0GB in the beginning and 1.0GB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-08-29 18:53:11,663 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 58.7MB. Free memory is still 36.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 353.40ms. Allocated memory is still 75.5MB. Free memory was 52.8MB in the beginning and 38.7MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 89.71ms. Allocated memory is still 75.5MB. Free memory was 38.5MB in the beginning and 53.9MB in the end (delta: -15.4MB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 93.74ms. Allocated memory is still 75.5MB. Free memory was 53.9MB in the beginning and 50.2MB in the end (delta: 3.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1170.82ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 50.0MB in the beginning and 66.0MB in the end (delta: -16.0MB). Peak memory consumption was 28.1MB. Max. memory is 16.1GB. * TraceAbstraction took 33891.68ms. Allocated memory was 92.3MB in the beginning and 1.4GB in the end (delta: 1.3GB). Free memory was 65.5MB in the beginning and 1.0GB in the end (delta: -981.8MB). Peak memory consumption was 892.5MB. Max. memory is 16.1GB. * Witness Printer took 65.17ms. Allocated memory is still 1.4GB. Free memory was 1.0GB in the beginning and 1.0GB in the end (delta: 6.3MB). 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: 14.7s, 640 PlacesBefore, 211 PlacesAfterwards, 664 TransitionsBefore, 213 TransitionsAfterwards, 52268 CoEnabledTransitionPairs, 10 FixpointIterations, 386 TrivialSequentialCompositions, 178 ConcurrentSequentialCompositions, 51 TrivialYvCompositions, 27 ConcurrentYvCompositions, 22 ChoiceCompositions, 664 TotalNumberOfCompositions, 369664 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 80233, independent: 76994, independent conditional: 0, independent unconditional: 76994, dependent: 3239, dependent conditional: 0, dependent unconditional: 3239, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 24170, independent: 23888, independent conditional: 0, independent unconditional: 23888, dependent: 282, dependent conditional: 0, dependent unconditional: 282, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 80233, independent: 53106, independent conditional: 0, independent unconditional: 53106, dependent: 2957, dependent conditional: 0, dependent unconditional: 2957, unknown: 24170, unknown conditional: 0, unknown unconditional: 24170] , Statistics on independence cache: Total cache size (in pairs): 2891, Positive cache size: 2729, Positive conditional cache size: 0, Positive unconditional cache size: 2729, Negative cache size: 162, Negative conditional cache size: 0, Negative unconditional cache size: 162, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: 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: 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: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: 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: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: 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: 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: 104]: 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: 115]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 115]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 940 locations, 132 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: 33.7s, OverallIterations: 21, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 14.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 15.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3640 SdHoareTripleChecker+Valid, 4.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2013 mSDsluCounter, 132 SdHoareTripleChecker+Invalid, 3.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 57 mSDsCounter, 994 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5606 IncrementalHoareTripleChecker+Invalid, 6600 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 994 mSolverCounterUnsat, 75 mSDtfsCounter, 5606 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 80 GetRequests, 39 SyntacticMatches, 1 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=552occurred in iteration=18, InterpolantAutomatonStates: 77, 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: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 544 NumberOfCodeBlocks, 544 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 522 ConstructedInterpolants, 0 QuantifiedInterpolants, 1029 SizeOfPredicates, 2 NumberOfNonLiveVariables, 287 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 22 InterpolantComputations, 21 PerfectInterpolantSequences, 52/53 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 80 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-29 18:53:11,696 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