./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/weaver/chl-node-trans.wvr.c --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations BEFORE --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version b8dbc81d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/weaver/chl-node-trans.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b79c2a620eba99d5ba65b548a8599a4feb45877b2c0c8388713c23f9a60bea18 --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations BEFORE --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-31 21:31:55,027 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-31 21:31:55,030 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-31 21:31:55,059 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-31 21:31:55,060 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-31 21:31:55,061 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-31 21:31:55,062 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-31 21:31:55,064 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-31 21:31:55,065 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-31 21:31:55,066 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-31 21:31:55,067 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-31 21:31:55,068 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-31 21:31:55,068 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-31 21:31:55,069 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-31 21:31:55,070 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-31 21:31:55,071 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-31 21:31:55,072 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-31 21:31:55,073 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-31 21:31:55,074 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-31 21:31:55,076 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-31 21:31:55,077 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-31 21:31:55,078 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-31 21:31:55,089 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-31 21:31:55,090 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-31 21:31:55,099 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-31 21:31:55,099 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-31 21:31:55,099 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-31 21:31:55,100 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-31 21:31:55,100 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-31 21:31:55,101 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-31 21:31:55,102 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-31 21:31:55,102 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-31 21:31:55,110 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-31 21:31:55,110 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-31 21:31:55,111 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-31 21:31:55,111 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-31 21:31:55,112 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-31 21:31:55,112 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-31 21:31:55,113 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-31 21:31:55,113 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-31 21:31:55,114 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-31 21:31:55,116 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-31 21:31:55,143 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-31 21:31:55,144 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-31 21:31:55,145 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-31 21:31:55,145 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-31 21:31:55,146 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-31 21:31:55,146 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-31 21:31:55,147 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-31 21:31:55,147 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-31 21:31:55,147 INFO L138 SettingsManager]: * Use SBE=true [2023-08-31 21:31:55,148 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-31 21:31:55,148 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-31 21:31:55,148 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-31 21:31:55,149 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-31 21:31:55,149 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-31 21:31:55,149 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-31 21:31:55,149 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-31 21:31:55,149 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-31 21:31:55,150 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-31 21:31:55,150 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-31 21:31:55,150 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-31 21:31:55,150 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-31 21:31:55,150 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-31 21:31:55,150 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-31 21:31:55,151 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-31 21:31:55,151 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-31 21:31:55,151 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-31 21:31:55,151 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-31 21:31:55,152 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-31 21:31:55,152 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-31 21:31:55,152 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-31 21:31:55,152 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-31 21:31:55,152 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-31 21:31:55,153 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-31 21:31:55,153 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-31 21:31:55,153 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-31 21:31:55,153 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-31 21:31:55,153 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-31 21:31:55,153 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b79c2a620eba99d5ba65b548a8599a4feb45877b2c0c8388713c23f9a60bea18 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> BEFORE [2023-08-31 21:31:55,465 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-31 21:31:55,486 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-31 21:31:55,488 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-31 21:31:55,488 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-31 21:31:55,492 INFO L275 PluginConnector]: CDTParser initialized [2023-08-31 21:31:55,493 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-node-trans.wvr.c [2023-08-31 21:31:56,696 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-31 21:31:56,870 INFO L351 CDTParser]: Found 1 translation units. [2023-08-31 21:31:56,870 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-node-trans.wvr.c [2023-08-31 21:31:56,876 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae8e92449/61b727dfed3240b1b4837c145dd73742/FLAGe9fabcf5c [2023-08-31 21:31:56,887 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae8e92449/61b727dfed3240b1b4837c145dd73742 [2023-08-31 21:31:56,889 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-31 21:31:56,889 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-31 21:31:56,893 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-31 21:31:56,893 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-31 21:31:56,896 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-31 21:31:56,896 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 09:31:56" (1/1) ... [2023-08-31 21:31:56,898 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e793e4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:31:56, skipping insertion in model container [2023-08-31 21:31:56,900 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 09:31:56" (1/1) ... [2023-08-31 21:31:56,905 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-31 21:31:56,931 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-31 21:31:57,155 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-trans.wvr.c[3945,3958] [2023-08-31 21:31:57,172 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-31 21:31:57,185 INFO L203 MainTranslator]: Completed pre-run [2023-08-31 21:31:57,250 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-trans.wvr.c[3945,3958] [2023-08-31 21:31:57,260 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-31 21:31:57,281 INFO L208 MainTranslator]: Completed translation [2023-08-31 21:31:57,282 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:31:57 WrapperNode [2023-08-31 21:31:57,282 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-31 21:31:57,283 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-31 21:31:57,283 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-31 21:31:57,283 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-31 21:31:57,289 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:31:57" (1/1) ... [2023-08-31 21:31:57,314 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:31:57" (1/1) ... [2023-08-31 21:31:57,384 INFO L138 Inliner]: procedures = 27, calls = 66, calls flagged for inlining = 22, calls inlined = 34, statements flattened = 813 [2023-08-31 21:31:57,385 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-31 21:31:57,386 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-31 21:31:57,386 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-31 21:31:57,387 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-31 21:31:57,394 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:31:57" (1/1) ... [2023-08-31 21:31:57,395 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:31:57" (1/1) ... [2023-08-31 21:31:57,407 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:31:57" (1/1) ... [2023-08-31 21:31:57,407 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:31:57" (1/1) ... [2023-08-31 21:31:57,431 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:31:57" (1/1) ... [2023-08-31 21:31:57,436 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:31:57" (1/1) ... [2023-08-31 21:31:57,439 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:31:57" (1/1) ... [2023-08-31 21:31:57,441 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:31:57" (1/1) ... [2023-08-31 21:31:57,446 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-31 21:31:57,447 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-31 21:31:57,447 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-31 21:31:57,447 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-31 21:31:57,448 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:31:57" (1/1) ... [2023-08-31 21:31:57,461 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-31 21:31:57,472 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-31 21:31:57,494 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-08-31 21:31:57,503 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-31 21:31:57,545 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-31 21:31:57,545 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-31 21:31:57,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-31 21:31:57,546 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-31 21:31:57,547 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-31 21:31:57,547 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-31 21:31:57,547 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-31 21:31:57,547 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-31 21:31:57,547 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-08-31 21:31:57,547 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-08-31 21:31:57,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-31 21:31:57,548 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-31 21:31:57,548 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-31 21:31:57,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-31 21:31:57,548 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-31 21:31:57,549 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-31 21:31:57,754 INFO L236 CfgBuilder]: Building ICFG [2023-08-31 21:31:57,756 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-31 21:31:58,612 INFO L277 CfgBuilder]: Performing block encoding [2023-08-31 21:31:58,624 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-31 21:31:58,624 INFO L302 CfgBuilder]: Removed 6 assume(true) statements. [2023-08-31 21:31:58,627 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 09:31:58 BoogieIcfgContainer [2023-08-31 21:31:58,627 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-31 21:31:58,629 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-31 21:31:58,629 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-31 21:31:58,632 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-31 21:31:58,632 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.08 09:31:56" (1/3) ... [2023-08-31 21:31:58,632 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ad323da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.08 09:31:58, skipping insertion in model container [2023-08-31 21:31:58,633 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:31:57" (2/3) ... [2023-08-31 21:31:58,633 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ad323da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.08 09:31:58, skipping insertion in model container [2023-08-31 21:31:58,633 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 09:31:58" (3/3) ... [2023-08-31 21:31:58,634 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-node-trans.wvr.c [2023-08-31 21:31:58,641 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-31 21:31:58,650 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-31 21:31:58,650 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 117 error locations. [2023-08-31 21:31:58,650 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-31 21:31:58,823 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-08-31 21:31:58,884 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 967 places, 1005 transitions, 2034 flow [2023-08-31 21:31:59,261 INFO L130 PetriNetUnfolder]: 48/1002 cut-off events. [2023-08-31 21:31:59,262 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2023-08-31 21:31:59,279 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1015 conditions, 1002 events. 48/1002 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 2142 event pairs, 0 based on Foata normal form. 0/837 useless extension candidates. Maximal degree in co-relation 795. Up to 2 conditions per place. [2023-08-31 21:31:59,280 INFO L82 GeneralOperation]: Start removeDead. Operand has 967 places, 1005 transitions, 2034 flow [2023-08-31 21:31:59,298 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 945 places, 981 transitions, 1980 flow [2023-08-31 21:31:59,301 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-31 21:31:59,310 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 945 places, 981 transitions, 1980 flow [2023-08-31 21:31:59,313 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 945 places, 981 transitions, 1980 flow [2023-08-31 21:31:59,314 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 945 places, 981 transitions, 1980 flow [2023-08-31 21:31:59,566 INFO L130 PetriNetUnfolder]: 46/981 cut-off events. [2023-08-31 21:31:59,567 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2023-08-31 21:31:59,577 INFO L83 FinitePrefix]: Finished finitePrefix Result has 994 conditions, 981 events. 46/981 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 2129 event pairs, 0 based on Foata normal form. 0/819 useless extension candidates. Maximal degree in co-relation 795. Up to 2 conditions per place. [2023-08-31 21:31:59,631 INFO L119 LiptonReduction]: Number of co-enabled transitions 148920 [2023-08-31 21:32:21,916 INFO L134 LiptonReduction]: Checked pairs total: 1148505 [2023-08-31 21:32:21,917 INFO L136 LiptonReduction]: Total number of compositions: 975 [2023-08-31 21:32:21,927 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-31 21:32:21,932 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;@3cf85d07, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-31 21:32:21,932 INFO L358 AbstractCegarLoop]: Starting to check reachability of 195 error locations. [2023-08-31 21:32:21,933 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2023-08-31 21:32:21,934 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-31 21:32:21,934 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:32:21,934 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-31 21:32:21,935 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 191 more)] === [2023-08-31 21:32:21,939 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:32:21,939 INFO L85 PathProgramCache]: Analyzing trace with hash 3615, now seen corresponding path program 1 times [2023-08-31 21:32:21,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:32:21,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1912958564] [2023-08-31 21:32:21,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:32:21,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:32:22,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:32:22,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:32:22,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:32:22,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1912958564] [2023-08-31 21:32:22,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1912958564] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:32:22,044 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:32:22,045 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-31 21:32:22,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300909308] [2023-08-31 21:32:22,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:32:22,052 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-31 21:32:22,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:32:22,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-31 21:32:22,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-31 21:32:22,080 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 969 out of 1980 [2023-08-31 21:32:22,085 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 316 places, 318 transitions, 654 flow. Second operand has 2 states, 2 states have (on average 969.5) internal successors, (1939), 2 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) [2023-08-31 21:32:22,086 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:32:22,086 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 969 of 1980 [2023-08-31 21:32:22,086 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:32:26,929 INFO L130 PetriNetUnfolder]: 10619/35110 cut-off events. [2023-08-31 21:32:26,930 INFO L131 PetriNetUnfolder]: For 528/528 co-relation queries the response was YES. [2023-08-31 21:32:27,134 INFO L83 FinitePrefix]: Finished finitePrefix Result has 50146 conditions, 35110 events. 10619/35110 cut-off events. For 528/528 co-relation queries the response was YES. Maximal size of possible extension queue 907. Compared 441706 event pairs, 8657 based on Foata normal form. 1862/30239 useless extension candidates. Maximal degree in co-relation 46698. Up to 14622 conditions per place. [2023-08-31 21:32:27,492 INFO L137 encePairwiseOnDemand]: 1922/1980 looper letters, 63 selfloop transitions, 0 changer transitions 1/260 dead transitions. [2023-08-31 21:32:27,492 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 259 places, 260 transitions, 666 flow [2023-08-31 21:32:27,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-31 21:32:27,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-31 21:32:27,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 2060 transitions. [2023-08-31 21:32:27,514 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5202020202020202 [2023-08-31 21:32:27,515 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 2060 transitions. [2023-08-31 21:32:27,515 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 2060 transitions. [2023-08-31 21:32:27,519 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:32:27,521 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 2060 transitions. [2023-08-31 21:32:27,533 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 1030.0) internal successors, (2060), 2 states have internal predecessors, (2060), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:32:27,562 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 1980.0) internal successors, (5940), 3 states have internal predecessors, (5940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:32:27,565 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 1980.0) internal successors, (5940), 3 states have internal predecessors, (5940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:32:27,567 INFO L175 Difference]: Start difference. First operand has 316 places, 318 transitions, 654 flow. Second operand 2 states and 2060 transitions. [2023-08-31 21:32:27,580 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 259 places, 260 transitions, 666 flow [2023-08-31 21:32:27,623 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 253 places, 260 transitions, 654 flow, removed 0 selfloop flow, removed 6 redundant places. [2023-08-31 21:32:27,631 INFO L231 Difference]: Finished difference. Result has 253 places, 259 transitions, 523 flow [2023-08-31 21:32:27,633 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1980, PETRI_DIFFERENCE_MINUEND_FLOW=526, PETRI_DIFFERENCE_MINUEND_PLACES=252, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=260, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=260, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=523, PETRI_PLACES=253, PETRI_TRANSITIONS=259} [2023-08-31 21:32:27,653 INFO L281 CegarLoopForPetriNet]: 316 programPoint places, -63 predicate places. [2023-08-31 21:32:27,654 INFO L495 AbstractCegarLoop]: Abstraction has has 253 places, 259 transitions, 523 flow [2023-08-31 21:32:27,655 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 969.5) internal successors, (1939), 2 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) [2023-08-31 21:32:27,657 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:32:27,657 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:32:27,659 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-31 21:32:27,660 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 191 more)] === [2023-08-31 21:32:27,667 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:32:27,668 INFO L85 PathProgramCache]: Analyzing trace with hash 1874885079, now seen corresponding path program 1 times [2023-08-31 21:32:27,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:32:27,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [480418705] [2023-08-31 21:32:27,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:32:27,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:32:27,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:32:27,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:32:27,997 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:32:27,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [480418705] [2023-08-31 21:32:27,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [480418705] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:32:27,998 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:32:27,998 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 21:32:27,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1291713719] [2023-08-31 21:32:27,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:32:27,999 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 21:32:28,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:32:28,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 21:32:28,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 21:32:28,022 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 956 out of 1980 [2023-08-31 21:32:28,026 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 253 places, 259 transitions, 523 flow. Second operand has 3 states, 3 states have (on average 959.3333333333334) internal successors, (2878), 3 states have internal predecessors, (2878), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:32:28,027 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:32:28,027 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 956 of 1980 [2023-08-31 21:32:28,027 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:32:32,471 INFO L130 PetriNetUnfolder]: 15683/51728 cut-off events. [2023-08-31 21:32:32,472 INFO L131 PetriNetUnfolder]: For 136/136 co-relation queries the response was YES. [2023-08-31 21:32:32,607 INFO L83 FinitePrefix]: Finished finitePrefix Result has 73491 conditions, 51728 events. 15683/51728 cut-off events. For 136/136 co-relation queries the response was YES. Maximal size of possible extension queue 1180. Compared 675023 event pairs, 9809 based on Foata normal form. 0/42123 useless extension candidates. Maximal degree in co-relation 73488. Up to 21526 conditions per place. [2023-08-31 21:32:32,816 INFO L137 encePairwiseOnDemand]: 1974/1980 looper letters, 85 selfloop transitions, 2 changer transitions 0/273 dead transitions. [2023-08-31 21:32:32,816 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 250 places, 273 transitions, 727 flow [2023-08-31 21:32:32,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 21:32:32,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 21:32:32,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2959 transitions. [2023-08-31 21:32:32,823 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4981481481481482 [2023-08-31 21:32:32,823 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2959 transitions. [2023-08-31 21:32:32,824 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2959 transitions. [2023-08-31 21:32:32,825 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:32:32,825 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2959 transitions. [2023-08-31 21:32:32,831 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 986.3333333333334) internal successors, (2959), 3 states have internal predecessors, (2959), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:32:32,841 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1980.0) internal successors, (7920), 4 states have internal predecessors, (7920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:32:32,845 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1980.0) internal successors, (7920), 4 states have internal predecessors, (7920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:32:32,845 INFO L175 Difference]: Start difference. First operand has 253 places, 259 transitions, 523 flow. Second operand 3 states and 2959 transitions. [2023-08-31 21:32:32,846 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 250 places, 273 transitions, 727 flow [2023-08-31 21:32:32,847 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 250 places, 273 transitions, 727 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-31 21:32:32,850 INFO L231 Difference]: Finished difference. Result has 251 places, 257 transitions, 529 flow [2023-08-31 21:32:32,851 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1980, PETRI_DIFFERENCE_MINUEND_FLOW=515, PETRI_DIFFERENCE_MINUEND_PLACES=248, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=255, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=253, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=529, PETRI_PLACES=251, PETRI_TRANSITIONS=257} [2023-08-31 21:32:32,852 INFO L281 CegarLoopForPetriNet]: 316 programPoint places, -65 predicate places. [2023-08-31 21:32:32,852 INFO L495 AbstractCegarLoop]: Abstraction has has 251 places, 257 transitions, 529 flow [2023-08-31 21:32:32,854 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 959.3333333333334) internal successors, (2878), 3 states have internal predecessors, (2878), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:32:32,854 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:32:32,854 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:32:32,854 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-31 21:32:32,855 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 191 more)] === [2023-08-31 21:32:32,855 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:32:32,855 INFO L85 PathProgramCache]: Analyzing trace with hash -2121631527, now seen corresponding path program 1 times [2023-08-31 21:32:32,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:32:32,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [714389845] [2023-08-31 21:32:32,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:32:32,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:32:32,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:32:32,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:32:32,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:32:32,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [714389845] [2023-08-31 21:32:32,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [714389845] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:32:32,967 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:32:32,967 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 21:32:32,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986264758] [2023-08-31 21:32:32,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:32:32,969 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 21:32:32,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:32:32,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 21:32:32,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 21:32:33,007 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 938 out of 1980 [2023-08-31 21:32:33,011 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 251 places, 257 transitions, 529 flow. Second operand has 3 states, 3 states have (on average 941.3333333333334) internal successors, (2824), 3 states have internal predecessors, (2824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:32:33,011 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:32:33,011 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 938 of 1980 [2023-08-31 21:32:33,012 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:32:38,200 INFO L130 PetriNetUnfolder]: 21501/68558 cut-off events. [2023-08-31 21:32:38,201 INFO L131 PetriNetUnfolder]: For 144/144 co-relation queries the response was YES. [2023-08-31 21:32:38,380 INFO L83 FinitePrefix]: Finished finitePrefix Result has 98557 conditions, 68558 events. 21501/68558 cut-off events. For 144/144 co-relation queries the response was YES. Maximal size of possible extension queue 1537. Compared 930288 event pairs, 18201 based on Foata normal form. 0/57192 useless extension candidates. Maximal degree in co-relation 98553. Up to 29802 conditions per place. [2023-08-31 21:32:38,900 INFO L137 encePairwiseOnDemand]: 1973/1980 looper letters, 73 selfloop transitions, 1 changer transitions 0/251 dead transitions. [2023-08-31 21:32:38,901 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 247 places, 251 transitions, 665 flow [2023-08-31 21:32:38,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 21:32:38,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 21:32:38,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2894 transitions. [2023-08-31 21:32:38,909 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4872053872053872 [2023-08-31 21:32:38,909 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2894 transitions. [2023-08-31 21:32:38,910 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2894 transitions. [2023-08-31 21:32:38,911 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:32:38,912 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2894 transitions. [2023-08-31 21:32:38,917 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 964.6666666666666) internal successors, (2894), 3 states have internal predecessors, (2894), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:32:38,927 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1980.0) internal successors, (7920), 4 states have internal predecessors, (7920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:32:38,932 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1980.0) internal successors, (7920), 4 states have internal predecessors, (7920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:32:38,933 INFO L175 Difference]: Start difference. First operand has 251 places, 257 transitions, 529 flow. Second operand 3 states and 2894 transitions. [2023-08-31 21:32:38,933 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 247 places, 251 transitions, 665 flow [2023-08-31 21:32:38,934 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 247 places, 251 transitions, 665 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-31 21:32:38,937 INFO L231 Difference]: Finished difference. Result has 247 places, 251 transitions, 519 flow [2023-08-31 21:32:38,938 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1980, PETRI_DIFFERENCE_MINUEND_FLOW=517, PETRI_DIFFERENCE_MINUEND_PLACES=245, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=251, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=250, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=519, PETRI_PLACES=247, PETRI_TRANSITIONS=251} [2023-08-31 21:32:38,939 INFO L281 CegarLoopForPetriNet]: 316 programPoint places, -69 predicate places. [2023-08-31 21:32:38,942 INFO L495 AbstractCegarLoop]: Abstraction has has 247 places, 251 transitions, 519 flow [2023-08-31 21:32:38,943 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 941.3333333333334) internal successors, (2824), 3 states have internal predecessors, (2824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:32:38,943 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:32:38,943 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:32:38,944 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-31 21:32:38,944 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 191 more)] === [2023-08-31 21:32:38,944 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:32:38,944 INFO L85 PathProgramCache]: Analyzing trace with hash -2086975213, now seen corresponding path program 1 times [2023-08-31 21:32:38,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:32:38,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493519208] [2023-08-31 21:32:38,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:32:38,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:32:38,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:32:39,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:32:39,025 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:32:39,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1493519208] [2023-08-31 21:32:39,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1493519208] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:32:39,025 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:32:39,025 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 21:32:39,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290354836] [2023-08-31 21:32:39,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:32:39,027 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 21:32:39,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:32:39,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 21:32:39,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 21:32:39,044 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 956 out of 1980 [2023-08-31 21:32:39,047 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 247 places, 251 transitions, 519 flow. Second operand has 3 states, 3 states have (on average 960.0) internal successors, (2880), 3 states have internal predecessors, (2880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:32:39,050 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:32:39,050 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 956 of 1980 [2023-08-31 21:32:39,050 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:32:43,508 INFO L130 PetriNetUnfolder]: 18039/57998 cut-off events. [2023-08-31 21:32:43,508 INFO L131 PetriNetUnfolder]: For 85/85 co-relation queries the response was YES. [2023-08-31 21:32:43,677 INFO L83 FinitePrefix]: Finished finitePrefix Result has 83241 conditions, 57998 events. 18039/57998 cut-off events. For 85/85 co-relation queries the response was YES. Maximal size of possible extension queue 1307. Compared 761240 event pairs, 4815 based on Foata normal form. 0/49261 useless extension candidates. Maximal degree in co-relation 83236. Up to 24829 conditions per place. [2023-08-31 21:32:43,905 INFO L137 encePairwiseOnDemand]: 1974/1980 looper letters, 93 selfloop transitions, 2 changer transitions 0/273 dead transitions. [2023-08-31 21:32:43,905 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 245 places, 273 transitions, 755 flow [2023-08-31 21:32:43,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 21:32:43,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 21:32:43,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2967 transitions. [2023-08-31 21:32:43,916 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4994949494949495 [2023-08-31 21:32:43,917 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2967 transitions. [2023-08-31 21:32:43,917 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2967 transitions. [2023-08-31 21:32:43,919 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:32:43,919 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2967 transitions. [2023-08-31 21:32:43,924 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 989.0) internal successors, (2967), 3 states have internal predecessors, (2967), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:32:43,944 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1980.0) internal successors, (7920), 4 states have internal predecessors, (7920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:32:43,947 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1980.0) internal successors, (7920), 4 states have internal predecessors, (7920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:32:43,947 INFO L175 Difference]: Start difference. First operand has 247 places, 251 transitions, 519 flow. Second operand 3 states and 2967 transitions. [2023-08-31 21:32:43,948 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 245 places, 273 transitions, 755 flow [2023-08-31 21:32:43,949 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 244 places, 273 transitions, 754 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-31 21:32:43,953 INFO L231 Difference]: Finished difference. Result has 245 places, 249 transitions, 524 flow [2023-08-31 21:32:43,953 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1980, PETRI_DIFFERENCE_MINUEND_FLOW=510, PETRI_DIFFERENCE_MINUEND_PLACES=242, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=247, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=245, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=524, PETRI_PLACES=245, PETRI_TRANSITIONS=249} [2023-08-31 21:32:43,954 INFO L281 CegarLoopForPetriNet]: 316 programPoint places, -71 predicate places. [2023-08-31 21:32:43,954 INFO L495 AbstractCegarLoop]: Abstraction has has 245 places, 249 transitions, 524 flow [2023-08-31 21:32:43,955 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 960.0) internal successors, (2880), 3 states have internal predecessors, (2880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:32:43,955 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:32:43,955 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:32:43,956 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-31 21:32:43,956 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 191 more)] === [2023-08-31 21:32:43,956 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:32:43,956 INFO L85 PathProgramCache]: Analyzing trace with hash 166624085, now seen corresponding path program 1 times [2023-08-31 21:32:43,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:32:43,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1234722358] [2023-08-31 21:32:43,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:32:43,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:32:43,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:32:44,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:32:44,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:32:44,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1234722358] [2023-08-31 21:32:44,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1234722358] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:32:44,031 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:32:44,031 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 21:32:44,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307101484] [2023-08-31 21:32:44,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:32:44,031 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 21:32:44,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:32:44,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 21:32:44,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 21:32:44,062 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 938 out of 1980 [2023-08-31 21:32:44,064 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 245 places, 249 transitions, 524 flow. Second operand has 3 states, 3 states have (on average 942.0) internal successors, (2826), 3 states have internal predecessors, (2826), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:32:44,065 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:32:44,065 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 938 of 1980 [2023-08-31 21:32:44,065 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:32:50,075 INFO L130 PetriNetUnfolder]: 27431/74635 cut-off events. [2023-08-31 21:32:50,075 INFO L131 PetriNetUnfolder]: For 799/799 co-relation queries the response was YES. [2023-08-31 21:32:50,331 INFO L83 FinitePrefix]: Finished finitePrefix Result has 113910 conditions, 74635 events. 27431/74635 cut-off events. For 799/799 co-relation queries the response was YES. Maximal size of possible extension queue 1600. Compared 943292 event pairs, 23687 based on Foata normal form. 0/64680 useless extension candidates. Maximal degree in co-relation 113905. Up to 38304 conditions per place. [2023-08-31 21:32:50,732 INFO L137 encePairwiseOnDemand]: 1973/1980 looper letters, 75 selfloop transitions, 1 changer transitions 0/243 dead transitions. [2023-08-31 21:32:50,732 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 241 places, 243 transitions, 664 flow [2023-08-31 21:32:50,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 21:32:50,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 21:32:50,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2895 transitions. [2023-08-31 21:32:50,738 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.48737373737373735 [2023-08-31 21:32:50,738 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2895 transitions. [2023-08-31 21:32:50,739 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2895 transitions. [2023-08-31 21:32:50,740 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:32:50,740 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2895 transitions. [2023-08-31 21:32:50,745 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 965.0) internal successors, (2895), 3 states have internal predecessors, (2895), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:32:50,752 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1980.0) internal successors, (7920), 4 states have internal predecessors, (7920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:32:50,753 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1980.0) internal successors, (7920), 4 states have internal predecessors, (7920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:32:50,753 INFO L175 Difference]: Start difference. First operand has 245 places, 249 transitions, 524 flow. Second operand 3 states and 2895 transitions. [2023-08-31 21:32:50,753 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 241 places, 243 transitions, 664 flow [2023-08-31 21:32:50,755 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 241 places, 243 transitions, 664 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-31 21:32:50,757 INFO L231 Difference]: Finished difference. Result has 241 places, 243 transitions, 514 flow [2023-08-31 21:32:50,758 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1980, PETRI_DIFFERENCE_MINUEND_FLOW=512, PETRI_DIFFERENCE_MINUEND_PLACES=239, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=243, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=242, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=514, PETRI_PLACES=241, PETRI_TRANSITIONS=243} [2023-08-31 21:32:50,759 INFO L281 CegarLoopForPetriNet]: 316 programPoint places, -75 predicate places. [2023-08-31 21:32:50,759 INFO L495 AbstractCegarLoop]: Abstraction has has 241 places, 243 transitions, 514 flow [2023-08-31 21:32:50,760 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 942.0) internal successors, (2826), 3 states have internal predecessors, (2826), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:32:50,760 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:32:50,760 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:32:50,760 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-31 21:32:50,760 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 191 more)] === [2023-08-31 21:32:50,761 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:32:50,761 INFO L85 PathProgramCache]: Analyzing trace with hash 1339740350, now seen corresponding path program 1 times [2023-08-31 21:32:50,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:32:50,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50588032] [2023-08-31 21:32:50,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:32:50,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:32:50,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:32:50,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:32:50,860 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:32:50,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [50588032] [2023-08-31 21:32:50,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [50588032] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:32:50,861 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:32:50,861 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 21:32:50,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455409628] [2023-08-31 21:32:50,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:32:50,861 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 21:32:50,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:32:50,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 21:32:50,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 21:32:50,926 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 957 out of 1980 [2023-08-31 21:32:50,928 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 241 places, 243 transitions, 514 flow. Second operand has 3 states, 3 states have (on average 961.3333333333334) internal successors, (2884), 3 states have internal predecessors, (2884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:32:50,928 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:32:50,928 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 957 of 1980 [2023-08-31 21:32:50,928 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:32:54,009 INFO L130 PetriNetUnfolder]: 11729/38380 cut-off events. [2023-08-31 21:32:54,009 INFO L131 PetriNetUnfolder]: For 521/521 co-relation queries the response was YES. [2023-08-31 21:32:54,143 INFO L83 FinitePrefix]: Finished finitePrefix Result has 55332 conditions, 38380 events. 11729/38380 cut-off events. For 521/521 co-relation queries the response was YES. Maximal size of possible extension queue 947. Compared 484685 event pairs, 9545 based on Foata normal form. 0/32338 useless extension candidates. Maximal degree in co-relation 55326. Up to 16363 conditions per place. [2023-08-31 21:32:54,435 INFO L137 encePairwiseOnDemand]: 1977/1980 looper letters, 63 selfloop transitions, 2 changer transitions 0/244 dead transitions. [2023-08-31 21:32:54,436 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 243 places, 244 transitions, 646 flow [2023-08-31 21:32:54,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 21:32:54,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 21:32:54,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2936 transitions. [2023-08-31 21:32:54,442 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.49427609427609426 [2023-08-31 21:32:54,442 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2936 transitions. [2023-08-31 21:32:54,442 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2936 transitions. [2023-08-31 21:32:54,443 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:32:54,444 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2936 transitions. [2023-08-31 21:32:54,448 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 978.6666666666666) internal successors, (2936), 3 states have internal predecessors, (2936), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:32:54,455 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1980.0) internal successors, (7920), 4 states have internal predecessors, (7920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:32:54,457 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1980.0) internal successors, (7920), 4 states have internal predecessors, (7920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:32:54,457 INFO L175 Difference]: Start difference. First operand has 241 places, 243 transitions, 514 flow. Second operand 3 states and 2936 transitions. [2023-08-31 21:32:54,457 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 243 places, 244 transitions, 646 flow [2023-08-31 21:32:54,458 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 242 places, 244 transitions, 645 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-31 21:32:54,461 INFO L231 Difference]: Finished difference. Result has 243 places, 244 transitions, 525 flow [2023-08-31 21:32:54,461 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1980, PETRI_DIFFERENCE_MINUEND_FLOW=513, PETRI_DIFFERENCE_MINUEND_PLACES=240, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=243, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=241, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=525, PETRI_PLACES=243, PETRI_TRANSITIONS=244} [2023-08-31 21:32:54,462 INFO L281 CegarLoopForPetriNet]: 316 programPoint places, -73 predicate places. [2023-08-31 21:32:54,462 INFO L495 AbstractCegarLoop]: Abstraction has has 243 places, 244 transitions, 525 flow [2023-08-31 21:32:54,463 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 961.3333333333334) internal successors, (2884), 3 states have internal predecessors, (2884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:32:54,463 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:32:54,464 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:32:54,464 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-31 21:32:54,464 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 191 more)] === [2023-08-31 21:32:54,464 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:32:54,464 INFO L85 PathProgramCache]: Analyzing trace with hash -1055120989, now seen corresponding path program 1 times [2023-08-31 21:32:54,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:32:54,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319339295] [2023-08-31 21:32:54,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:32:54,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:32:54,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:32:54,583 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-08-31 21:32:54,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:32:54,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1319339295] [2023-08-31 21:32:54,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1319339295] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:32:54,584 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:32:54,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-31 21:32:54,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546787236] [2023-08-31 21:32:54,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:32:54,585 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-31 21:32:54,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:32:54,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-31 21:32:54,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-08-31 21:32:54,756 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 955 out of 1980 [2023-08-31 21:32:54,759 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 243 places, 244 transitions, 525 flow. Second operand has 4 states, 4 states have (on average 958.5) internal successors, (3834), 4 states have internal predecessors, (3834), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:32:54,759 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:32:54,759 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 955 of 1980 [2023-08-31 21:32:54,759 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:32:57,949 INFO L130 PetriNetUnfolder]: 11729/38381 cut-off events. [2023-08-31 21:32:57,950 INFO L131 PetriNetUnfolder]: For 521/521 co-relation queries the response was YES. [2023-08-31 21:32:58,098 INFO L83 FinitePrefix]: Finished finitePrefix Result has 55340 conditions, 38381 events. 11729/38381 cut-off events. For 521/521 co-relation queries the response was YES. Maximal size of possible extension queue 947. Compared 484549 event pairs, 9545 based on Foata normal form. 0/32339 useless extension candidates. Maximal degree in co-relation 55333. Up to 16362 conditions per place. [2023-08-31 21:32:58,232 INFO L137 encePairwiseOnDemand]: 1975/1980 looper letters, 62 selfloop transitions, 4 changer transitions 0/245 dead transitions. [2023-08-31 21:32:58,232 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 246 places, 245 transitions, 659 flow [2023-08-31 21:32:58,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-08-31 21:32:58,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-08-31 21:32:58,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 3886 transitions. [2023-08-31 21:32:58,240 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4906565656565657 [2023-08-31 21:32:58,240 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 3886 transitions. [2023-08-31 21:32:58,240 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 3886 transitions. [2023-08-31 21:32:58,241 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:32:58,242 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 3886 transitions. [2023-08-31 21:32:58,246 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 971.5) internal successors, (3886), 4 states have internal predecessors, (3886), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:32:58,255 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 1980.0) internal successors, (9900), 5 states have internal predecessors, (9900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:32:58,256 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 1980.0) internal successors, (9900), 5 states have internal predecessors, (9900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:32:58,257 INFO L175 Difference]: Start difference. First operand has 243 places, 244 transitions, 525 flow. Second operand 4 states and 3886 transitions. [2023-08-31 21:32:58,257 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 246 places, 245 transitions, 659 flow [2023-08-31 21:32:58,259 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 245 places, 245 transitions, 655 flow, removed 1 selfloop flow, removed 1 redundant places. [2023-08-31 21:32:58,262 INFO L231 Difference]: Finished difference. Result has 246 places, 245 transitions, 539 flow [2023-08-31 21:32:58,262 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1980, PETRI_DIFFERENCE_MINUEND_FLOW=521, PETRI_DIFFERENCE_MINUEND_PLACES=242, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=244, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=240, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=539, PETRI_PLACES=246, PETRI_TRANSITIONS=245} [2023-08-31 21:32:58,263 INFO L281 CegarLoopForPetriNet]: 316 programPoint places, -70 predicate places. [2023-08-31 21:32:58,263 INFO L495 AbstractCegarLoop]: Abstraction has has 246 places, 245 transitions, 539 flow [2023-08-31 21:32:58,264 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 958.5) internal successors, (3834), 4 states have internal predecessors, (3834), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:32:58,264 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:32:58,265 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:32:58,265 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-08-31 21:32:58,265 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 191 more)] === [2023-08-31 21:32:58,265 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:32:58,265 INFO L85 PathProgramCache]: Analyzing trace with hash -1366266619, now seen corresponding path program 1 times [2023-08-31 21:32:58,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:32:58,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279730363] [2023-08-31 21:32:58,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:32:58,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:32:58,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:32:58,404 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-08-31 21:32:58,404 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:32:58,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1279730363] [2023-08-31 21:32:58,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1279730363] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:32:58,405 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:32:58,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-31 21:32:58,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562801037] [2023-08-31 21:32:58,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:32:58,406 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-31 21:32:58,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:32:58,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-31 21:32:58,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-08-31 21:32:58,550 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 955 out of 1980 [2023-08-31 21:32:58,553 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 246 places, 245 transitions, 539 flow. Second operand has 4 states, 4 states have (on average 958.75) internal successors, (3835), 4 states have internal predecessors, (3835), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:32:58,553 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:32:58,553 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 955 of 1980 [2023-08-31 21:32:58,553 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:33:02,009 INFO L130 PetriNetUnfolder]: 11729/38382 cut-off events. [2023-08-31 21:33:02,010 INFO L131 PetriNetUnfolder]: For 521/521 co-relation queries the response was YES. [2023-08-31 21:33:02,154 INFO L83 FinitePrefix]: Finished finitePrefix Result has 55349 conditions, 38382 events. 11729/38382 cut-off events. For 521/521 co-relation queries the response was YES. Maximal size of possible extension queue 947. Compared 484369 event pairs, 9545 based on Foata normal form. 0/32341 useless extension candidates. Maximal degree in co-relation 55341. Up to 16363 conditions per place. [2023-08-31 21:33:02,278 INFO L137 encePairwiseOnDemand]: 1975/1980 looper letters, 63 selfloop transitions, 4 changer transitions 0/246 dead transitions. [2023-08-31 21:33:02,278 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 249 places, 246 transitions, 675 flow [2023-08-31 21:33:02,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-08-31 21:33:02,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-08-31 21:33:02,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 3886 transitions. [2023-08-31 21:33:02,284 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4906565656565657 [2023-08-31 21:33:02,284 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 3886 transitions. [2023-08-31 21:33:02,284 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 3886 transitions. [2023-08-31 21:33:02,285 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:33:02,285 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 3886 transitions. [2023-08-31 21:33:02,290 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 971.5) internal successors, (3886), 4 states have internal predecessors, (3886), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:33:02,299 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 1980.0) internal successors, (9900), 5 states have internal predecessors, (9900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:33:02,301 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 1980.0) internal successors, (9900), 5 states have internal predecessors, (9900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:33:02,301 INFO L175 Difference]: Start difference. First operand has 246 places, 245 transitions, 539 flow. Second operand 4 states and 3886 transitions. [2023-08-31 21:33:02,301 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 249 places, 246 transitions, 675 flow [2023-08-31 21:33:02,303 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 248 places, 246 transitions, 674 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-31 21:33:02,305 INFO L231 Difference]: Finished difference. Result has 249 places, 246 transitions, 556 flow [2023-08-31 21:33:02,306 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1980, PETRI_DIFFERENCE_MINUEND_FLOW=538, PETRI_DIFFERENCE_MINUEND_PLACES=245, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=245, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=241, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=556, PETRI_PLACES=249, PETRI_TRANSITIONS=246} [2023-08-31 21:33:02,306 INFO L281 CegarLoopForPetriNet]: 316 programPoint places, -67 predicate places. [2023-08-31 21:33:02,306 INFO L495 AbstractCegarLoop]: Abstraction has has 249 places, 246 transitions, 556 flow [2023-08-31 21:33:02,309 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 958.75) internal successors, (3835), 4 states have internal predecessors, (3835), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:33:02,309 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:33:02,309 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:33:02,309 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-08-31 21:33:02,309 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 191 more)] === [2023-08-31 21:33:02,310 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:33:02,310 INFO L85 PathProgramCache]: Analyzing trace with hash 932554875, now seen corresponding path program 1 times [2023-08-31 21:33:02,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:33:02,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908901909] [2023-08-31 21:33:02,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:33:02,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:33:02,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:33:02,412 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-08-31 21:33:02,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:33:02,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1908901909] [2023-08-31 21:33:02,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1908901909] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:33:02,413 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:33:02,413 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-31 21:33:02,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228207937] [2023-08-31 21:33:02,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:33:02,414 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-31 21:33:02,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:33:02,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-31 21:33:02,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-08-31 21:33:02,529 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 955 out of 1980 [2023-08-31 21:33:02,531 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 249 places, 246 transitions, 556 flow. Second operand has 4 states, 4 states have (on average 959.0) internal successors, (3836), 4 states have internal predecessors, (3836), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:33:02,531 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:33:02,531 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 955 of 1980 [2023-08-31 21:33:02,531 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:33:06,015 INFO L130 PetriNetUnfolder]: 11729/38383 cut-off events. [2023-08-31 21:33:06,015 INFO L131 PetriNetUnfolder]: For 522/522 co-relation queries the response was YES. [2023-08-31 21:33:06,165 INFO L83 FinitePrefix]: Finished finitePrefix Result has 55360 conditions, 38383 events. 11729/38383 cut-off events. For 522/522 co-relation queries the response was YES. Maximal size of possible extension queue 947. Compared 484884 event pairs, 9545 based on Foata normal form. 0/32343 useless extension candidates. Maximal degree in co-relation 55351. Up to 16365 conditions per place. [2023-08-31 21:33:06,287 INFO L137 encePairwiseOnDemand]: 1976/1980 looper letters, 65 selfloop transitions, 3 changer transitions 0/247 dead transitions. [2023-08-31 21:33:06,287 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 252 places, 247 transitions, 694 flow [2023-08-31 21:33:06,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-08-31 21:33:06,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-08-31 21:33:06,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 3885 transitions. [2023-08-31 21:33:06,292 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.49053030303030304 [2023-08-31 21:33:06,292 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 3885 transitions. [2023-08-31 21:33:06,292 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 3885 transitions. [2023-08-31 21:33:06,293 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:33:06,294 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 3885 transitions. [2023-08-31 21:33:06,299 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 971.25) internal successors, (3885), 4 states have internal predecessors, (3885), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:33:06,307 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 1980.0) internal successors, (9900), 5 states have internal predecessors, (9900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:33:06,311 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 1980.0) internal successors, (9900), 5 states have internal predecessors, (9900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:33:06,311 INFO L175 Difference]: Start difference. First operand has 249 places, 246 transitions, 556 flow. Second operand 4 states and 3885 transitions. [2023-08-31 21:33:06,311 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 252 places, 247 transitions, 694 flow [2023-08-31 21:33:06,314 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 250 places, 247 transitions, 690 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-31 21:33:06,317 INFO L231 Difference]: Finished difference. Result has 251 places, 247 transitions, 566 flow [2023-08-31 21:33:06,317 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1980, PETRI_DIFFERENCE_MINUEND_FLOW=552, PETRI_DIFFERENCE_MINUEND_PLACES=247, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=246, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=243, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=566, PETRI_PLACES=251, PETRI_TRANSITIONS=247} [2023-08-31 21:33:06,318 INFO L281 CegarLoopForPetriNet]: 316 programPoint places, -65 predicate places. [2023-08-31 21:33:06,318 INFO L495 AbstractCegarLoop]: Abstraction has has 251 places, 247 transitions, 566 flow [2023-08-31 21:33:06,319 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 959.0) internal successors, (3836), 4 states have internal predecessors, (3836), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:33:06,319 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:33:06,319 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] [2023-08-31 21:33:06,320 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-08-31 21:33:06,320 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 191 more)] === [2023-08-31 21:33:06,320 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:33:06,320 INFO L85 PathProgramCache]: Analyzing trace with hash -1114954988, now seen corresponding path program 1 times [2023-08-31 21:33:06,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:33:06,321 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [798439636] [2023-08-31 21:33:06,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:33:06,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:33:06,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:33:06,436 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-08-31 21:33:06,436 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:33:06,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [798439636] [2023-08-31 21:33:06,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [798439636] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:33:06,437 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:33:06,437 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-31 21:33:06,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007287575] [2023-08-31 21:33:06,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:33:06,438 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-31 21:33:06,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:33:06,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-31 21:33:06,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-08-31 21:33:06,624 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 955 out of 1980 [2023-08-31 21:33:06,627 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 251 places, 247 transitions, 566 flow. Second operand has 4 states, 4 states have (on average 959.25) internal successors, (3837), 4 states have internal predecessors, (3837), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:33:06,627 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:33:06,627 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 955 of 1980 [2023-08-31 21:33:06,627 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:33:09,991 INFO L130 PetriNetUnfolder]: 11729/38384 cut-off events. [2023-08-31 21:33:09,991 INFO L131 PetriNetUnfolder]: For 522/522 co-relation queries the response was YES. [2023-08-31 21:33:10,199 INFO L83 FinitePrefix]: Finished finitePrefix Result has 55367 conditions, 38384 events. 11729/38384 cut-off events. For 522/522 co-relation queries the response was YES. Maximal size of possible extension queue 947. Compared 484666 event pairs, 9545 based on Foata normal form. 0/32345 useless extension candidates. Maximal degree in co-relation 55357. Up to 16366 conditions per place. [2023-08-31 21:33:10,331 INFO L137 encePairwiseOnDemand]: 1976/1980 looper letters, 66 selfloop transitions, 3 changer transitions 0/248 dead transitions. [2023-08-31 21:33:10,331 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 254 places, 248 transitions, 706 flow [2023-08-31 21:33:10,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-08-31 21:33:10,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-08-31 21:33:10,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 3885 transitions. [2023-08-31 21:33:10,337 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.49053030303030304 [2023-08-31 21:33:10,337 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 3885 transitions. [2023-08-31 21:33:10,337 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 3885 transitions. [2023-08-31 21:33:10,338 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:33:10,339 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 3885 transitions. [2023-08-31 21:33:10,344 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 971.25) internal successors, (3885), 4 states have internal predecessors, (3885), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:33:10,351 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 1980.0) internal successors, (9900), 5 states have internal predecessors, (9900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:33:10,352 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 1980.0) internal successors, (9900), 5 states have internal predecessors, (9900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:33:10,352 INFO L175 Difference]: Start difference. First operand has 251 places, 247 transitions, 566 flow. Second operand 4 states and 3885 transitions. [2023-08-31 21:33:10,352 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 254 places, 248 transitions, 706 flow [2023-08-31 21:33:10,354 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 252 places, 248 transitions, 700 flow, removed 1 selfloop flow, removed 2 redundant places. [2023-08-31 21:33:10,357 INFO L231 Difference]: Finished difference. Result has 253 places, 248 transitions, 574 flow [2023-08-31 21:33:10,357 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1980, PETRI_DIFFERENCE_MINUEND_FLOW=560, PETRI_DIFFERENCE_MINUEND_PLACES=249, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=247, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=244, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=574, PETRI_PLACES=253, PETRI_TRANSITIONS=248} [2023-08-31 21:33:10,358 INFO L281 CegarLoopForPetriNet]: 316 programPoint places, -63 predicate places. [2023-08-31 21:33:10,358 INFO L495 AbstractCegarLoop]: Abstraction has has 253 places, 248 transitions, 574 flow [2023-08-31 21:33:10,359 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 959.25) internal successors, (3837), 4 states have internal predecessors, (3837), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:33:10,359 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:33:10,359 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] [2023-08-31 21:33:10,359 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-08-31 21:33:10,359 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 191 more)] === [2023-08-31 21:33:10,359 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:33:10,360 INFO L85 PathProgramCache]: Analyzing trace with hash 1657971902, now seen corresponding path program 1 times [2023-08-31 21:33:10,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:33:10,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248567768] [2023-08-31 21:33:10,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:33:10,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:33:10,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:33:10,687 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-08-31 21:33:10,688 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:33:10,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [248567768] [2023-08-31 21:33:10,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [248567768] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:33:10,688 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:33:10,688 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-31 21:33:10,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860094610] [2023-08-31 21:33:10,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:33:10,689 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-31 21:33:10,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:33:10,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-31 21:33:10,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-08-31 21:33:10,849 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 955 out of 1980 [2023-08-31 21:33:10,851 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 253 places, 248 transitions, 574 flow. Second operand has 4 states, 4 states have (on average 959.5) internal successors, (3838), 4 states have internal predecessors, (3838), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:33:10,851 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:33:10,852 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 955 of 1980 [2023-08-31 21:33:10,852 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:33:14,283 INFO L130 PetriNetUnfolder]: 11729/38385 cut-off events. [2023-08-31 21:33:14,283 INFO L131 PetriNetUnfolder]: For 524/524 co-relation queries the response was YES. [2023-08-31 21:33:14,470 INFO L83 FinitePrefix]: Finished finitePrefix Result has 55373 conditions, 38385 events. 11729/38385 cut-off events. For 524/524 co-relation queries the response was YES. Maximal size of possible extension queue 947. Compared 484688 event pairs, 9545 based on Foata normal form. 0/32347 useless extension candidates. Maximal degree in co-relation 55362. Up to 16367 conditions per place. [2023-08-31 21:33:14,593 INFO L137 encePairwiseOnDemand]: 1976/1980 looper letters, 67 selfloop transitions, 3 changer transitions 0/249 dead transitions. [2023-08-31 21:33:14,593 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 256 places, 249 transitions, 716 flow [2023-08-31 21:33:14,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-08-31 21:33:14,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-08-31 21:33:14,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 3885 transitions. [2023-08-31 21:33:14,598 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.49053030303030304 [2023-08-31 21:33:14,598 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 3885 transitions. [2023-08-31 21:33:14,598 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 3885 transitions. [2023-08-31 21:33:14,599 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:33:14,599 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 3885 transitions. [2023-08-31 21:33:14,602 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 971.25) internal successors, (3885), 4 states have internal predecessors, (3885), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:33:14,609 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 1980.0) internal successors, (9900), 5 states have internal predecessors, (9900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:33:14,609 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 1980.0) internal successors, (9900), 5 states have internal predecessors, (9900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:33:14,610 INFO L175 Difference]: Start difference. First operand has 253 places, 248 transitions, 574 flow. Second operand 4 states and 3885 transitions. [2023-08-31 21:33:14,610 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 256 places, 249 transitions, 716 flow [2023-08-31 21:33:14,612 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 254 places, 249 transitions, 710 flow, removed 1 selfloop flow, removed 2 redundant places. [2023-08-31 21:33:14,614 INFO L231 Difference]: Finished difference. Result has 255 places, 249 transitions, 582 flow [2023-08-31 21:33:14,614 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1980, PETRI_DIFFERENCE_MINUEND_FLOW=568, PETRI_DIFFERENCE_MINUEND_PLACES=251, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=248, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=245, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=582, PETRI_PLACES=255, PETRI_TRANSITIONS=249} [2023-08-31 21:33:14,615 INFO L281 CegarLoopForPetriNet]: 316 programPoint places, -61 predicate places. [2023-08-31 21:33:14,615 INFO L495 AbstractCegarLoop]: Abstraction has has 255 places, 249 transitions, 582 flow [2023-08-31 21:33:14,615 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 959.5) internal successors, (3838), 4 states have internal predecessors, (3838), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:33:14,615 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:33:14,615 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] [2023-08-31 21:33:14,615 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-08-31 21:33:14,616 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 191 more)] === [2023-08-31 21:33:14,616 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:33:14,616 INFO L85 PathProgramCache]: Analyzing trace with hash -1628574585, now seen corresponding path program 1 times [2023-08-31 21:33:14,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:33:14,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1479280224] [2023-08-31 21:33:14,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:33:14,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:33:14,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:33:15,109 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-08-31 21:33:15,109 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:33:15,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1479280224] [2023-08-31 21:33:15,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1479280224] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:33:15,110 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:33:15,110 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-31 21:33:15,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941790831] [2023-08-31 21:33:15,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:33:15,110 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-31 21:33:15,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:33:15,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-31 21:33:15,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-31 21:33:15,816 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 945 out of 1980 [2023-08-31 21:33:15,819 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 255 places, 249 transitions, 582 flow. Second operand has 6 states, 6 states have (on average 948.8333333333334) internal successors, (5693), 6 states have internal predecessors, (5693), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:33:15,820 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:33:15,820 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 945 of 1980 [2023-08-31 21:33:15,820 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:33:23,455 INFO L130 PetriNetUnfolder]: 36578/82369 cut-off events. [2023-08-31 21:33:23,455 INFO L131 PetriNetUnfolder]: For 1156/1156 co-relation queries the response was YES. [2023-08-31 21:33:23,863 INFO L83 FinitePrefix]: Finished finitePrefix Result has 133010 conditions, 82369 events. 36578/82369 cut-off events. For 1156/1156 co-relation queries the response was YES. Maximal size of possible extension queue 2120. Compared 976164 event pairs, 10093 based on Foata normal form. 0/68946 useless extension candidates. Maximal degree in co-relation 132998. Up to 17626 conditions per place. [2023-08-31 21:33:24,157 INFO L137 encePairwiseOnDemand]: 1975/1980 looper letters, 234 selfloop transitions, 4 changer transitions 0/412 dead transitions. [2023-08-31 21:33:24,157 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 259 places, 412 transitions, 1404 flow [2023-08-31 21:33:24,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-31 21:33:24,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-31 21:33:24,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 5898 transitions. [2023-08-31 21:33:24,164 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.49646464646464644 [2023-08-31 21:33:24,164 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 5898 transitions. [2023-08-31 21:33:24,164 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 5898 transitions. [2023-08-31 21:33:24,165 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:33:24,165 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 5898 transitions. [2023-08-31 21:33:24,170 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 983.0) internal successors, (5898), 6 states have internal predecessors, (5898), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:33:24,177 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1980.0) internal successors, (13860), 7 states have internal predecessors, (13860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:33:24,179 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1980.0) internal successors, (13860), 7 states have internal predecessors, (13860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:33:24,179 INFO L175 Difference]: Start difference. First operand has 255 places, 249 transitions, 582 flow. Second operand 6 states and 5898 transitions. [2023-08-31 21:33:24,179 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 259 places, 412 transitions, 1404 flow [2023-08-31 21:33:24,182 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 257 places, 412 transitions, 1398 flow, removed 1 selfloop flow, removed 2 redundant places. [2023-08-31 21:33:24,186 INFO L231 Difference]: Finished difference. Result has 257 places, 248 transitions, 582 flow [2023-08-31 21:33:24,186 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1980, PETRI_DIFFERENCE_MINUEND_FLOW=574, PETRI_DIFFERENCE_MINUEND_PLACES=252, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=248, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=244, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=582, PETRI_PLACES=257, PETRI_TRANSITIONS=248} [2023-08-31 21:33:24,187 INFO L281 CegarLoopForPetriNet]: 316 programPoint places, -59 predicate places. [2023-08-31 21:33:24,187 INFO L495 AbstractCegarLoop]: Abstraction has has 257 places, 248 transitions, 582 flow [2023-08-31 21:33:24,188 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 948.8333333333334) internal successors, (5693), 6 states have internal predecessors, (5693), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:33:24,188 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:33:24,188 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] [2023-08-31 21:33:24,188 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-08-31 21:33:24,189 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 191 more)] === [2023-08-31 21:33:24,189 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:33:24,189 INFO L85 PathProgramCache]: Analyzing trace with hash -2046292268, now seen corresponding path program 1 times [2023-08-31 21:33:24,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:33:24,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464558625] [2023-08-31 21:33:24,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:33:24,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:33:24,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:33:24,658 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-08-31 21:33:24,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:33:24,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [464558625] [2023-08-31 21:33:24,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [464558625] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:33:24,658 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:33:24,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-31 21:33:24,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741957352] [2023-08-31 21:33:24,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:33:24,659 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-31 21:33:24,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:33:24,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-31 21:33:24,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-31 21:33:25,386 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 926 out of 1980 [2023-08-31 21:33:25,388 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 257 places, 248 transitions, 582 flow. Second operand has 6 states, 6 states have (on average 929.1666666666666) internal successors, (5575), 6 states have internal predecessors, (5575), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:33:25,388 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:33:25,388 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 926 of 1980 [2023-08-31 21:33:25,388 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:33:33,143 INFO L130 PetriNetUnfolder]: 29570/90032 cut-off events. [2023-08-31 21:33:33,143 INFO L131 PetriNetUnfolder]: For 6098/6123 co-relation queries the response was YES. [2023-08-31 21:33:33,615 INFO L83 FinitePrefix]: Finished finitePrefix Result has 137511 conditions, 90032 events. 29570/90032 cut-off events. For 6098/6123 co-relation queries the response was YES. Maximal size of possible extension queue 1892. Compared 1216779 event pairs, 16173 based on Foata normal form. 0/77687 useless extension candidates. Maximal degree in co-relation 137499. Up to 39835 conditions per place. [2023-08-31 21:33:33,885 INFO L137 encePairwiseOnDemand]: 1968/1980 looper letters, 163 selfloop transitions, 8 changer transitions 0/328 dead transitions. [2023-08-31 21:33:33,885 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 258 places, 328 transitions, 1100 flow [2023-08-31 21:33:33,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-31 21:33:33,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-31 21:33:33,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 5724 transitions. [2023-08-31 21:33:33,891 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4818181818181818 [2023-08-31 21:33:33,891 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 5724 transitions. [2023-08-31 21:33:33,891 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 5724 transitions. [2023-08-31 21:33:33,892 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:33:33,892 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 5724 transitions. [2023-08-31 21:33:33,896 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 954.0) internal successors, (5724), 6 states have internal predecessors, (5724), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:33:33,904 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1980.0) internal successors, (13860), 7 states have internal predecessors, (13860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:33:33,905 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1980.0) internal successors, (13860), 7 states have internal predecessors, (13860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:33:33,905 INFO L175 Difference]: Start difference. First operand has 257 places, 248 transitions, 582 flow. Second operand 6 states and 5724 transitions. [2023-08-31 21:33:33,905 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 258 places, 328 transitions, 1100 flow [2023-08-31 21:33:33,912 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 254 places, 328 transitions, 1085 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-31 21:33:33,915 INFO L231 Difference]: Finished difference. Result has 258 places, 252 transitions, 629 flow [2023-08-31 21:33:33,916 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1980, PETRI_DIFFERENCE_MINUEND_FLOW=567, PETRI_DIFFERENCE_MINUEND_PLACES=249, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=244, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=236, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=629, PETRI_PLACES=258, PETRI_TRANSITIONS=252} [2023-08-31 21:33:33,916 INFO L281 CegarLoopForPetriNet]: 316 programPoint places, -58 predicate places. [2023-08-31 21:33:33,917 INFO L495 AbstractCegarLoop]: Abstraction has has 258 places, 252 transitions, 629 flow [2023-08-31 21:33:33,918 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 929.1666666666666) internal successors, (5575), 6 states have internal predecessors, (5575), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:33:33,918 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:33:33,918 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] [2023-08-31 21:33:33,918 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-08-31 21:33:33,918 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting thread2Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 191 more)] === [2023-08-31 21:33:33,918 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:33:33,919 INFO L85 PathProgramCache]: Analyzing trace with hash 238473552, now seen corresponding path program 1 times [2023-08-31 21:33:33,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:33:33,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133331940] [2023-08-31 21:33:33,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:33:33,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:33:33,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:33:34,361 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-08-31 21:33:34,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:33:34,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133331940] [2023-08-31 21:33:34,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1133331940] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:33:34,362 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:33:34,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-31 21:33:34,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412098552] [2023-08-31 21:33:34,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:33:34,363 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-31 21:33:34,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:33:34,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-31 21:33:34,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-31 21:33:35,102 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 926 out of 1980 [2023-08-31 21:33:35,105 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 258 places, 252 transitions, 629 flow. Second operand has 6 states, 6 states have (on average 929.5) internal successors, (5577), 6 states have internal predecessors, (5577), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:33:35,105 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:33:35,105 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 926 of 1980 [2023-08-31 21:33:35,105 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:33:43,610 INFO L130 PetriNetUnfolder]: 39823/94139 cut-off events. [2023-08-31 21:33:43,611 INFO L131 PetriNetUnfolder]: For 1831/1907 co-relation queries the response was YES. [2023-08-31 21:33:44,204 INFO L83 FinitePrefix]: Finished finitePrefix Result has 152697 conditions, 94139 events. 39823/94139 cut-off events. For 1831/1907 co-relation queries the response was YES. Maximal size of possible extension queue 1960. Compared 1135683 event pairs, 6776 based on Foata normal form. 0/83753 useless extension candidates. Maximal degree in co-relation 152682. Up to 51827 conditions per place. [2023-08-31 21:33:44,476 INFO L137 encePairwiseOnDemand]: 1968/1980 looper letters, 204 selfloop transitions, 8 changer transitions 0/372 dead transitions. [2023-08-31 21:33:44,476 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 259 places, 372 transitions, 1333 flow [2023-08-31 21:33:44,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-31 21:33:44,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-31 21:33:44,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 5760 transitions. [2023-08-31 21:33:44,484 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.48484848484848486 [2023-08-31 21:33:44,484 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 5760 transitions. [2023-08-31 21:33:44,484 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 5760 transitions. [2023-08-31 21:33:44,486 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:33:44,486 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 5760 transitions. [2023-08-31 21:33:44,492 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 960.0) internal successors, (5760), 6 states have internal predecessors, (5760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:33:44,498 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1980.0) internal successors, (13860), 7 states have internal predecessors, (13860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:33:44,500 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1980.0) internal successors, (13860), 7 states have internal predecessors, (13860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:33:44,500 INFO L175 Difference]: Start difference. First operand has 258 places, 252 transitions, 629 flow. Second operand 6 states and 5760 transitions. [2023-08-31 21:33:44,500 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 259 places, 372 transitions, 1333 flow [2023-08-31 21:33:44,503 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 259 places, 372 transitions, 1333 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-31 21:33:44,506 INFO L231 Difference]: Finished difference. Result has 263 places, 256 transitions, 683 flow [2023-08-31 21:33:44,506 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1980, PETRI_DIFFERENCE_MINUEND_FLOW=621, PETRI_DIFFERENCE_MINUEND_PLACES=254, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=248, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=240, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=683, PETRI_PLACES=263, PETRI_TRANSITIONS=256} [2023-08-31 21:33:44,507 INFO L281 CegarLoopForPetriNet]: 316 programPoint places, -53 predicate places. [2023-08-31 21:33:44,507 INFO L495 AbstractCegarLoop]: Abstraction has has 263 places, 256 transitions, 683 flow [2023-08-31 21:33:44,508 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 929.5) internal successors, (5577), 6 states have internal predecessors, (5577), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:33:44,508 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:33:44,508 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] [2023-08-31 21:33:44,508 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-08-31 21:33:44,509 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting thread2Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 191 more)] === [2023-08-31 21:33:44,509 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:33:44,509 INFO L85 PathProgramCache]: Analyzing trace with hash 1540736733, now seen corresponding path program 1 times [2023-08-31 21:33:44,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:33:44,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527192800] [2023-08-31 21:33:44,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:33:44,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:33:44,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:33:44,568 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-08-31 21:33:44,569 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:33:44,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1527192800] [2023-08-31 21:33:44,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1527192800] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:33:44,569 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:33:44,569 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 21:33:44,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502263486] [2023-08-31 21:33:44,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:33:44,570 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 21:33:44,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:33:44,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 21:33:44,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 21:33:44,583 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 956 out of 1980 [2023-08-31 21:33:44,585 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 263 places, 256 transitions, 683 flow. Second operand has 3 states, 3 states have (on average 962.3333333333334) internal successors, (2887), 3 states have internal predecessors, (2887), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:33:44,586 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:33:44,586 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 956 of 1980 [2023-08-31 21:33:44,586 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:33:50,403 INFO L130 PetriNetUnfolder]: 22911/61520 cut-off events. [2023-08-31 21:33:50,403 INFO L131 PetriNetUnfolder]: For 1468/1518 co-relation queries the response was YES. [2023-08-31 21:33:50,867 INFO L83 FinitePrefix]: Finished finitePrefix Result has 96222 conditions, 61520 events. 22911/61520 cut-off events. For 1468/1518 co-relation queries the response was YES. Maximal size of possible extension queue 1450. Compared 758485 event pairs, 6123 based on Foata normal form. 0/54814 useless extension candidates. Maximal degree in co-relation 96203. Up to 31724 conditions per place. [2023-08-31 21:33:51,264 INFO L137 encePairwiseOnDemand]: 1974/1980 looper letters, 98 selfloop transitions, 2 changer transitions 0/275 dead transitions. [2023-08-31 21:33:51,264 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 261 places, 275 transitions, 934 flow [2023-08-31 21:33:51,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 21:33:51,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 21:33:51,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2962 transitions. [2023-08-31 21:33:51,269 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4986531986531986 [2023-08-31 21:33:51,269 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2962 transitions. [2023-08-31 21:33:51,269 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2962 transitions. [2023-08-31 21:33:51,270 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:33:51,270 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2962 transitions. [2023-08-31 21:33:51,273 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 987.3333333333334) internal successors, (2962), 3 states have internal predecessors, (2962), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:33:51,277 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1980.0) internal successors, (7920), 4 states have internal predecessors, (7920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:33:51,277 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1980.0) internal successors, (7920), 4 states have internal predecessors, (7920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:33:51,278 INFO L175 Difference]: Start difference. First operand has 263 places, 256 transitions, 683 flow. Second operand 3 states and 2962 transitions. [2023-08-31 21:33:51,278 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 261 places, 275 transitions, 934 flow [2023-08-31 21:33:51,281 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 261 places, 275 transitions, 934 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-31 21:33:51,284 INFO L231 Difference]: Finished difference. Result has 262 places, 254 transitions, 689 flow [2023-08-31 21:33:51,284 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1980, PETRI_DIFFERENCE_MINUEND_FLOW=675, PETRI_DIFFERENCE_MINUEND_PLACES=259, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=252, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=250, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=689, PETRI_PLACES=262, PETRI_TRANSITIONS=254} [2023-08-31 21:33:51,285 INFO L281 CegarLoopForPetriNet]: 316 programPoint places, -54 predicate places. [2023-08-31 21:33:51,285 INFO L495 AbstractCegarLoop]: Abstraction has has 262 places, 254 transitions, 689 flow [2023-08-31 21:33:51,286 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 962.3333333333334) internal successors, (2887), 3 states have internal predecessors, (2887), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:33:51,286 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:33:51,286 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] [2023-08-31 21:33:51,286 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-08-31 21:33:51,286 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting thread2Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 191 more)] === [2023-08-31 21:33:51,286 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:33:51,287 INFO L85 PathProgramCache]: Analyzing trace with hash -1115639521, now seen corresponding path program 1 times [2023-08-31 21:33:51,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:33:51,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201964603] [2023-08-31 21:33:51,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:33:51,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:33:51,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:33:51,372 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-08-31 21:33:51,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:33:51,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [201964603] [2023-08-31 21:33:51,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [201964603] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:33:51,375 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:33:51,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 21:33:51,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524418849] [2023-08-31 21:33:51,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:33:51,376 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 21:33:51,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:33:51,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 21:33:51,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 21:33:51,406 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 938 out of 1980 [2023-08-31 21:33:51,408 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 262 places, 254 transitions, 689 flow. Second operand has 3 states, 3 states have (on average 944.6666666666666) internal successors, (2834), 3 states have internal predecessors, (2834), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:33:51,408 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:33:51,408 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 938 of 1980 [2023-08-31 21:33:51,408 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:33:58,804 INFO L130 PetriNetUnfolder]: 28659/75362 cut-off events. [2023-08-31 21:33:58,804 INFO L131 PetriNetUnfolder]: For 2900/2963 co-relation queries the response was YES. [2023-08-31 21:33:59,433 INFO L83 FinitePrefix]: Finished finitePrefix Result has 120205 conditions, 75362 events. 28659/75362 cut-off events. For 2900/2963 co-relation queries the response was YES. Maximal size of possible extension queue 1783. Compared 948601 event pairs, 23659 based on Foata normal form. 1/68463 useless extension candidates. Maximal degree in co-relation 120185. Up to 41322 conditions per place. [2023-08-31 21:33:59,879 INFO L137 encePairwiseOnDemand]: 1973/1980 looper letters, 82 selfloop transitions, 1 changer transitions 0/248 dead transitions. [2023-08-31 21:33:59,879 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 258 places, 248 transitions, 843 flow [2023-08-31 21:33:59,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 21:33:59,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 21:33:59,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2893 transitions. [2023-08-31 21:33:59,885 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.48703703703703705 [2023-08-31 21:33:59,885 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2893 transitions. [2023-08-31 21:33:59,885 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2893 transitions. [2023-08-31 21:33:59,886 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:33:59,886 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2893 transitions. [2023-08-31 21:33:59,889 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 964.3333333333334) internal successors, (2893), 3 states have internal predecessors, (2893), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:33:59,893 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1980.0) internal successors, (7920), 4 states have internal predecessors, (7920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:33:59,894 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1980.0) internal successors, (7920), 4 states have internal predecessors, (7920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:33:59,894 INFO L175 Difference]: Start difference. First operand has 262 places, 254 transitions, 689 flow. Second operand 3 states and 2893 transitions. [2023-08-31 21:33:59,894 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 258 places, 248 transitions, 843 flow [2023-08-31 21:33:59,898 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 258 places, 248 transitions, 843 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-31 21:33:59,900 INFO L231 Difference]: Finished difference. Result has 258 places, 248 transitions, 679 flow [2023-08-31 21:33:59,901 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1980, PETRI_DIFFERENCE_MINUEND_FLOW=677, PETRI_DIFFERENCE_MINUEND_PLACES=256, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=248, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=247, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=679, PETRI_PLACES=258, PETRI_TRANSITIONS=248} [2023-08-31 21:33:59,901 INFO L281 CegarLoopForPetriNet]: 316 programPoint places, -58 predicate places. [2023-08-31 21:33:59,901 INFO L495 AbstractCegarLoop]: Abstraction has has 258 places, 248 transitions, 679 flow [2023-08-31 21:33:59,902 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 944.6666666666666) internal successors, (2834), 3 states have internal predecessors, (2834), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:33:59,902 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:33:59,902 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] [2023-08-31 21:33:59,902 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-08-31 21:33:59,903 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting thread1Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 191 more)] === [2023-08-31 21:33:59,903 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:33:59,903 INFO L85 PathProgramCache]: Analyzing trace with hash -1918984853, now seen corresponding path program 1 times [2023-08-31 21:33:59,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:33:59,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253426333] [2023-08-31 21:33:59,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:33:59,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:33:59,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:33:59,960 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-08-31 21:33:59,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:33:59,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1253426333] [2023-08-31 21:33:59,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1253426333] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:33:59,960 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:33:59,960 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 21:33:59,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567214601] [2023-08-31 21:33:59,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:33:59,961 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 21:33:59,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:33:59,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 21:33:59,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 21:33:59,971 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 962 out of 1980 [2023-08-31 21:33:59,973 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 258 places, 248 transitions, 679 flow. Second operand has 3 states, 3 states have (on average 968.3333333333334) internal successors, (2905), 3 states have internal predecessors, (2905), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:33:59,973 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:33:59,973 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 962 of 1980 [2023-08-31 21:33:59,973 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:34:04,644 INFO L130 PetriNetUnfolder]: 17997/47790 cut-off events. [2023-08-31 21:34:04,644 INFO L131 PetriNetUnfolder]: For 2083/2123 co-relation queries the response was YES. [2023-08-31 21:34:05,034 INFO L83 FinitePrefix]: Finished finitePrefix Result has 76549 conditions, 47790 events. 17997/47790 cut-off events. For 2083/2123 co-relation queries the response was YES. Maximal size of possible extension queue 1309. Compared 577168 event pairs, 4305 based on Foata normal form. 0/42967 useless extension candidates. Maximal degree in co-relation 76528. Up to 22838 conditions per place. [2023-08-31 21:34:05,172 INFO L137 encePairwiseOnDemand]: 1976/1980 looper letters, 102 selfloop transitions, 2 changer transitions 0/275 dead transitions. [2023-08-31 21:34:05,172 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 258 places, 275 transitions, 960 flow [2023-08-31 21:34:05,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 21:34:05,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 21:34:05,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2979 transitions. [2023-08-31 21:34:05,176 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5015151515151515 [2023-08-31 21:34:05,176 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2979 transitions. [2023-08-31 21:34:05,176 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2979 transitions. [2023-08-31 21:34:05,177 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:34:05,177 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2979 transitions. [2023-08-31 21:34:05,180 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 993.0) internal successors, (2979), 3 states have internal predecessors, (2979), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:34:05,184 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1980.0) internal successors, (7920), 4 states have internal predecessors, (7920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:34:05,184 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1980.0) internal successors, (7920), 4 states have internal predecessors, (7920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:34:05,185 INFO L175 Difference]: Start difference. First operand has 258 places, 248 transitions, 679 flow. Second operand 3 states and 2979 transitions. [2023-08-31 21:34:05,185 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 258 places, 275 transitions, 960 flow [2023-08-31 21:34:05,189 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 257 places, 275 transitions, 959 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-31 21:34:05,191 INFO L231 Difference]: Finished difference. Result has 258 places, 248 transitions, 688 flow [2023-08-31 21:34:05,192 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1980, PETRI_DIFFERENCE_MINUEND_FLOW=674, PETRI_DIFFERENCE_MINUEND_PLACES=255, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=246, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=244, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=688, PETRI_PLACES=258, PETRI_TRANSITIONS=248} [2023-08-31 21:34:05,192 INFO L281 CegarLoopForPetriNet]: 316 programPoint places, -58 predicate places. [2023-08-31 21:34:05,192 INFO L495 AbstractCegarLoop]: Abstraction has has 258 places, 248 transitions, 688 flow [2023-08-31 21:34:05,193 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 968.3333333333334) internal successors, (2905), 3 states have internal predecessors, (2905), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:34:05,193 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:34:05,193 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] [2023-08-31 21:34:05,194 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-08-31 21:34:05,194 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting thread3Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 191 more)] === [2023-08-31 21:34:05,194 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:34:05,194 INFO L85 PathProgramCache]: Analyzing trace with hash -385997074, now seen corresponding path program 1 times [2023-08-31 21:34:05,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:34:05,194 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168348400] [2023-08-31 21:34:05,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:34:05,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:34:05,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:34:05,647 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-08-31 21:34:05,647 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:34:05,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [168348400] [2023-08-31 21:34:05,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [168348400] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:34:05,647 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:34:05,648 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-31 21:34:05,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2057032517] [2023-08-31 21:34:05,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:34:05,648 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-31 21:34:05,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:34:05,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-31 21:34:05,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-31 21:34:06,398 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 926 out of 1980 [2023-08-31 21:34:06,401 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 258 places, 248 transitions, 688 flow. Second operand has 6 states, 6 states have (on average 930.5) internal successors, (5583), 6 states have internal predecessors, (5583), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:34:06,401 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:34:06,402 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 926 of 1980 [2023-08-31 21:34:06,402 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:34:14,742 INFO L130 PetriNetUnfolder]: 36111/80081 cut-off events. [2023-08-31 21:34:14,742 INFO L131 PetriNetUnfolder]: For 5034/5106 co-relation queries the response was YES. [2023-08-31 21:34:15,459 INFO L83 FinitePrefix]: Finished finitePrefix Result has 138782 conditions, 80081 events. 36111/80081 cut-off events. For 5034/5106 co-relation queries the response was YES. Maximal size of possible extension queue 1805. Compared 918888 event pairs, 7142 based on Foata normal form. 0/72895 useless extension candidates. Maximal degree in co-relation 138761. Up to 45518 conditions per place. [2023-08-31 21:34:15,910 INFO L137 encePairwiseOnDemand]: 1968/1980 looper letters, 198 selfloop transitions, 8 changer transitions 0/360 dead transitions. [2023-08-31 21:34:15,910 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 259 places, 360 transitions, 1404 flow [2023-08-31 21:34:15,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-31 21:34:15,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-31 21:34:15,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 5746 transitions. [2023-08-31 21:34:15,915 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4836700336700337 [2023-08-31 21:34:15,915 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 5746 transitions. [2023-08-31 21:34:15,915 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 5746 transitions. [2023-08-31 21:34:15,917 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:34:15,917 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 5746 transitions. [2023-08-31 21:34:15,924 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 957.6666666666666) internal successors, (5746), 6 states have internal predecessors, (5746), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:34:15,932 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1980.0) internal successors, (13860), 7 states have internal predecessors, (13860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:34:15,934 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1980.0) internal successors, (13860), 7 states have internal predecessors, (13860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:34:15,934 INFO L175 Difference]: Start difference. First operand has 258 places, 248 transitions, 688 flow. Second operand 6 states and 5746 transitions. [2023-08-31 21:34:15,934 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 259 places, 360 transitions, 1404 flow [2023-08-31 21:34:15,939 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 259 places, 360 transitions, 1404 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-31 21:34:15,942 INFO L231 Difference]: Finished difference. Result has 263 places, 252 transitions, 742 flow [2023-08-31 21:34:15,943 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1980, PETRI_DIFFERENCE_MINUEND_FLOW=680, PETRI_DIFFERENCE_MINUEND_PLACES=254, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=244, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=236, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=742, PETRI_PLACES=263, PETRI_TRANSITIONS=252} [2023-08-31 21:34:15,943 INFO L281 CegarLoopForPetriNet]: 316 programPoint places, -53 predicate places. [2023-08-31 21:34:15,943 INFO L495 AbstractCegarLoop]: Abstraction has has 263 places, 252 transitions, 742 flow [2023-08-31 21:34:15,944 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 930.5) internal successors, (5583), 6 states have internal predecessors, (5583), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:34:15,944 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:34:15,945 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] [2023-08-31 21:34:15,945 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-08-31 21:34:15,945 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting thread2Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 191 more)] === [2023-08-31 21:34:15,945 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:34:15,945 INFO L85 PathProgramCache]: Analyzing trace with hash 1519837788, now seen corresponding path program 1 times [2023-08-31 21:34:15,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:34:15,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319578122] [2023-08-31 21:34:15,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:34:15,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:34:15,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:34:16,001 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-08-31 21:34:16,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:34:16,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1319578122] [2023-08-31 21:34:16,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1319578122] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:34:16,002 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:34:16,002 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 21:34:16,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399652655] [2023-08-31 21:34:16,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:34:16,003 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 21:34:16,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:34:16,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 21:34:16,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 21:34:16,013 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 962 out of 1980 [2023-08-31 21:34:16,015 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 263 places, 252 transitions, 742 flow. Second operand has 3 states, 3 states have (on average 969.0) internal successors, (2907), 3 states have internal predecessors, (2907), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:34:16,015 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:34:16,015 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 962 of 1980 [2023-08-31 21:34:16,015 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:34:23,664 INFO L130 PetriNetUnfolder]: 23252/74860 cut-off events. [2023-08-31 21:34:23,665 INFO L131 PetriNetUnfolder]: For 3782/3876 co-relation queries the response was YES. [2023-08-31 21:34:24,414 INFO L83 FinitePrefix]: Finished finitePrefix Result has 115251 conditions, 74860 events. 23252/74860 cut-off events. For 3782/3876 co-relation queries the response was YES. Maximal size of possible extension queue 1914. Compared 1043473 event pairs, 5460 based on Foata normal form. 0/68566 useless extension candidates. Maximal degree in co-relation 115226. Up to 24246 conditions per place. [2023-08-31 21:34:24,828 INFO L137 encePairwiseOnDemand]: 1976/1980 looper letters, 119 selfloop transitions, 2 changer transitions 0/294 dead transitions. [2023-08-31 21:34:24,829 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 263 places, 294 transitions, 1099 flow [2023-08-31 21:34:24,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 21:34:24,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 21:34:24,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2992 transitions. [2023-08-31 21:34:24,831 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5037037037037037 [2023-08-31 21:34:24,831 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2992 transitions. [2023-08-31 21:34:24,831 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2992 transitions. [2023-08-31 21:34:24,832 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:34:24,832 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2992 transitions. [2023-08-31 21:34:24,835 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 997.3333333333334) internal successors, (2992), 3 states have internal predecessors, (2992), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:34:24,838 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1980.0) internal successors, (7920), 4 states have internal predecessors, (7920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:34:24,839 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1980.0) internal successors, (7920), 4 states have internal predecessors, (7920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:34:24,839 INFO L175 Difference]: Start difference. First operand has 263 places, 252 transitions, 742 flow. Second operand 3 states and 2992 transitions. [2023-08-31 21:34:24,839 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 263 places, 294 transitions, 1099 flow [2023-08-31 21:34:24,849 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 263 places, 294 transitions, 1099 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-31 21:34:24,851 INFO L231 Difference]: Finished difference. Result has 264 places, 252 transitions, 752 flow [2023-08-31 21:34:24,852 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1980, PETRI_DIFFERENCE_MINUEND_FLOW=738, PETRI_DIFFERENCE_MINUEND_PLACES=261, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=250, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=248, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=752, PETRI_PLACES=264, PETRI_TRANSITIONS=252} [2023-08-31 21:34:24,852 INFO L281 CegarLoopForPetriNet]: 316 programPoint places, -52 predicate places. [2023-08-31 21:34:24,852 INFO L495 AbstractCegarLoop]: Abstraction has has 264 places, 252 transitions, 752 flow [2023-08-31 21:34:24,853 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 969.0) internal successors, (2907), 3 states have internal predecessors, (2907), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:34:24,853 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:34:24,853 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] [2023-08-31 21:34:24,853 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-08-31 21:34:24,853 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting thread1Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 191 more)] === [2023-08-31 21:34:24,853 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:34:24,853 INFO L85 PathProgramCache]: Analyzing trace with hash 1721413478, now seen corresponding path program 1 times [2023-08-31 21:34:24,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:34:24,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352934522] [2023-08-31 21:34:24,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:34:24,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:34:24,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:34:24,964 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-08-31 21:34:24,964 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:34:24,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [352934522] [2023-08-31 21:34:24,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [352934522] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:34:24,964 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:34:24,964 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 21:34:24,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801384942] [2023-08-31 21:34:24,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:34:24,965 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 21:34:24,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:34:24,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 21:34:24,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 21:34:25,166 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 944 out of 1980 [2023-08-31 21:34:25,167 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 264 places, 252 transitions, 752 flow. Second operand has 3 states, 3 states have (on average 950.6666666666666) internal successors, (2852), 3 states have internal predecessors, (2852), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:34:25,167 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:34:25,167 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 944 of 1980 [2023-08-31 21:34:25,167 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:34:31,992 INFO L130 PetriNetUnfolder]: 23099/65692 cut-off events. [2023-08-31 21:34:31,992 INFO L131 PetriNetUnfolder]: For 4831/4915 co-relation queries the response was YES. [2023-08-31 21:34:32,554 INFO L83 FinitePrefix]: Finished finitePrefix Result has 108320 conditions, 65692 events. 23099/65692 cut-off events. For 4831/4915 co-relation queries the response was YES. Maximal size of possible extension queue 1771. Compared 857555 event pairs, 6020 based on Foata normal form. 0/59039 useless extension candidates. Maximal degree in co-relation 108294. Up to 28037 conditions per place. [2023-08-31 21:34:32,719 INFO L137 encePairwiseOnDemand]: 1976/1980 looper letters, 108 selfloop transitions, 2 changer transitions 0/281 dead transitions. [2023-08-31 21:34:32,719 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 264 places, 281 transitions, 1056 flow [2023-08-31 21:34:32,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 21:34:32,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 21:34:32,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2927 transitions. [2023-08-31 21:34:32,722 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4927609427609428 [2023-08-31 21:34:32,722 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2927 transitions. [2023-08-31 21:34:32,722 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2927 transitions. [2023-08-31 21:34:32,722 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:34:32,722 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2927 transitions. [2023-08-31 21:34:32,724 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 975.6666666666666) internal successors, (2927), 3 states have internal predecessors, (2927), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:34:32,727 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1980.0) internal successors, (7920), 4 states have internal predecessors, (7920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:34:32,727 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1980.0) internal successors, (7920), 4 states have internal predecessors, (7920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:34:32,727 INFO L175 Difference]: Start difference. First operand has 264 places, 252 transitions, 752 flow. Second operand 3 states and 2927 transitions. [2023-08-31 21:34:32,727 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 264 places, 281 transitions, 1056 flow [2023-08-31 21:34:32,738 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 264 places, 281 transitions, 1056 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-31 21:34:32,741 INFO L231 Difference]: Finished difference. Result has 265 places, 252 transitions, 762 flow [2023-08-31 21:34:32,741 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1980, PETRI_DIFFERENCE_MINUEND_FLOW=748, PETRI_DIFFERENCE_MINUEND_PLACES=262, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=250, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=248, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=762, PETRI_PLACES=265, PETRI_TRANSITIONS=252} [2023-08-31 21:34:32,741 INFO L281 CegarLoopForPetriNet]: 316 programPoint places, -51 predicate places. [2023-08-31 21:34:32,742 INFO L495 AbstractCegarLoop]: Abstraction has has 265 places, 252 transitions, 762 flow [2023-08-31 21:34:32,742 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 950.6666666666666) internal successors, (2852), 3 states have internal predecessors, (2852), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:34:32,742 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:34:32,742 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] [2023-08-31 21:34:32,743 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-08-31 21:34:32,743 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting thread1Err24ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 191 more)] === [2023-08-31 21:34:32,743 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:34:32,743 INFO L85 PathProgramCache]: Analyzing trace with hash 716891210, now seen corresponding path program 1 times [2023-08-31 21:34:32,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:34:32,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784992886] [2023-08-31 21:34:32,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:34:32,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:34:32,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:34:32,847 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-08-31 21:34:32,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:34:32,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1784992886] [2023-08-31 21:34:32,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1784992886] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:34:32,848 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:34:32,848 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-31 21:34:32,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190378033] [2023-08-31 21:34:32,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:34:32,849 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 21:34:32,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:34:32,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 21:34:32,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 21:34:32,858 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 962 out of 1980 [2023-08-31 21:34:32,859 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 265 places, 252 transitions, 762 flow. Second operand has 3 states, 3 states have (on average 968.6666666666666) internal successors, (2906), 3 states have internal predecessors, (2906), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:34:32,859 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:34:32,860 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 962 of 1980 [2023-08-31 21:34:32,860 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:34:41,037 INFO L130 PetriNetUnfolder]: 22598/74999 cut-off events. [2023-08-31 21:34:41,037 INFO L131 PetriNetUnfolder]: For 5605/5745 co-relation queries the response was YES. [2023-08-31 21:34:41,802 INFO L83 FinitePrefix]: Finished finitePrefix Result has 118063 conditions, 74999 events. 22598/74999 cut-off events. For 5605/5745 co-relation queries the response was YES. Maximal size of possible extension queue 1732. Compared 1053464 event pairs, 12879 based on Foata normal form. 0/69296 useless extension candidates. Maximal degree in co-relation 118036. Up to 25065 conditions per place. [2023-08-31 21:34:42,007 INFO L137 encePairwiseOnDemand]: 1976/1980 looper letters, 114 selfloop transitions, 3 changer transitions 0/291 dead transitions. [2023-08-31 21:34:42,007 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 267 places, 291 transitions, 1097 flow [2023-08-31 21:34:42,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 21:34:42,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 21:34:42,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2986 transitions. [2023-08-31 21:34:42,009 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5026936026936027 [2023-08-31 21:34:42,009 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2986 transitions. [2023-08-31 21:34:42,009 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2986 transitions. [2023-08-31 21:34:42,010 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:34:42,010 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2986 transitions. [2023-08-31 21:34:42,011 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 995.3333333333334) internal successors, (2986), 3 states have internal predecessors, (2986), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:34:42,015 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1980.0) internal successors, (7920), 4 states have internal predecessors, (7920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:34:42,016 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1980.0) internal successors, (7920), 4 states have internal predecessors, (7920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:34:42,016 INFO L175 Difference]: Start difference. First operand has 265 places, 252 transitions, 762 flow. Second operand 3 states and 2986 transitions. [2023-08-31 21:34:42,016 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 267 places, 291 transitions, 1097 flow [2023-08-31 21:34:42,032 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 267 places, 291 transitions, 1097 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-31 21:34:42,035 INFO L231 Difference]: Finished difference. Result has 269 places, 254 transitions, 784 flow [2023-08-31 21:34:42,036 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1980, PETRI_DIFFERENCE_MINUEND_FLOW=762, PETRI_DIFFERENCE_MINUEND_PLACES=265, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=252, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=249, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=784, PETRI_PLACES=269, PETRI_TRANSITIONS=254} [2023-08-31 21:34:42,036 INFO L281 CegarLoopForPetriNet]: 316 programPoint places, -47 predicate places. [2023-08-31 21:34:42,036 INFO L495 AbstractCegarLoop]: Abstraction has has 269 places, 254 transitions, 784 flow [2023-08-31 21:34:42,037 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 968.6666666666666) internal successors, (2906), 3 states have internal predecessors, (2906), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:34:42,037 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:34:42,037 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] [2023-08-31 21:34:42,037 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-08-31 21:34:42,037 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting thread2Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 191 more)] === [2023-08-31 21:34:42,037 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:34:42,038 INFO L85 PathProgramCache]: Analyzing trace with hash -1581591257, now seen corresponding path program 1 times [2023-08-31 21:34:42,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:34:42,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113968458] [2023-08-31 21:34:42,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:34:42,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:34:42,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:34:42,154 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-08-31 21:34:42,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:34:42,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113968458] [2023-08-31 21:34:42,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1113968458] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:34:42,155 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:34:42,155 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 21:34:42,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189807777] [2023-08-31 21:34:42,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:34:42,155 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 21:34:42,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:34:42,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 21:34:42,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 21:34:42,376 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 944 out of 1980 [2023-08-31 21:34:42,378 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 269 places, 254 transitions, 784 flow. Second operand has 3 states, 3 states have (on average 951.3333333333334) internal successors, (2854), 3 states have internal predecessors, (2854), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:34:42,378 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:34:42,378 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 944 of 1980 [2023-08-31 21:34:42,378 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:34:51,238 INFO L130 PetriNetUnfolder]: 27736/79556 cut-off events. [2023-08-31 21:34:51,238 INFO L131 PetriNetUnfolder]: For 11641/11783 co-relation queries the response was YES. [2023-08-31 21:34:52,016 INFO L83 FinitePrefix]: Finished finitePrefix Result has 138057 conditions, 79556 events. 27736/79556 cut-off events. For 11641/11783 co-relation queries the response was YES. Maximal size of possible extension queue 1892. Compared 1052525 event pairs, 8158 based on Foata normal form. 0/73045 useless extension candidates. Maximal degree in co-relation 138028. Up to 27900 conditions per place. [2023-08-31 21:34:52,232 INFO L137 encePairwiseOnDemand]: 1976/1980 looper letters, 127 selfloop transitions, 2 changer transitions 0/298 dead transitions. [2023-08-31 21:34:52,232 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 269 places, 298 transitions, 1180 flow [2023-08-31 21:34:52,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 21:34:52,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 21:34:52,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2940 transitions. [2023-08-31 21:34:52,234 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.494949494949495 [2023-08-31 21:34:52,234 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2940 transitions. [2023-08-31 21:34:52,234 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2940 transitions. [2023-08-31 21:34:52,235 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:34:52,235 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2940 transitions. [2023-08-31 21:34:52,236 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 980.0) internal successors, (2940), 3 states have internal predecessors, (2940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:34:52,239 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1980.0) internal successors, (7920), 4 states have internal predecessors, (7920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:34:52,239 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1980.0) internal successors, (7920), 4 states have internal predecessors, (7920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:34:52,239 INFO L175 Difference]: Start difference. First operand has 269 places, 254 transitions, 784 flow. Second operand 3 states and 2940 transitions. [2023-08-31 21:34:52,240 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 269 places, 298 transitions, 1180 flow [2023-08-31 21:34:52,605 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 267 places, 298 transitions, 1170 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-31 21:34:52,609 INFO L231 Difference]: Finished difference. Result has 268 places, 254 transitions, 788 flow [2023-08-31 21:34:52,609 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1980, PETRI_DIFFERENCE_MINUEND_FLOW=774, PETRI_DIFFERENCE_MINUEND_PLACES=265, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=252, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=250, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=788, PETRI_PLACES=268, PETRI_TRANSITIONS=254} [2023-08-31 21:34:52,609 INFO L281 CegarLoopForPetriNet]: 316 programPoint places, -48 predicate places. [2023-08-31 21:34:52,610 INFO L495 AbstractCegarLoop]: Abstraction has has 268 places, 254 transitions, 788 flow [2023-08-31 21:34:52,610 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 951.3333333333334) internal successors, (2854), 3 states have internal predecessors, (2854), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:34:52,610 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:34:52,610 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] [2023-08-31 21:34:52,611 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-08-31 21:34:52,611 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting thread3Err11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 191 more)] === [2023-08-31 21:34:52,611 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:34:52,611 INFO L85 PathProgramCache]: Analyzing trace with hash -635854952, now seen corresponding path program 1 times [2023-08-31 21:34:52,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:34:52,612 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135023231] [2023-08-31 21:34:52,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:34:52,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:34:52,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:34:52,671 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-08-31 21:34:52,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:34:52,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [135023231] [2023-08-31 21:34:52,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [135023231] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:34:52,672 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:34:52,672 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 21:34:52,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166780431] [2023-08-31 21:34:52,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:34:52,673 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 21:34:52,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:34:52,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 21:34:52,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 21:34:52,683 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 962 out of 1980 [2023-08-31 21:34:52,685 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 268 places, 254 transitions, 788 flow. Second operand has 3 states, 3 states have (on average 971.3333333333334) internal successors, (2914), 3 states have internal predecessors, (2914), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:34:52,685 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:34:52,685 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 962 of 1980 [2023-08-31 21:34:52,686 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:35:05,384 INFO L130 PetriNetUnfolder]: 37207/107195 cut-off events. [2023-08-31 21:35:05,385 INFO L131 PetriNetUnfolder]: For 12506/12666 co-relation queries the response was YES. [2023-08-31 21:35:06,466 INFO L83 FinitePrefix]: Finished finitePrefix Result has 182534 conditions, 107195 events. 37207/107195 cut-off events. For 12506/12666 co-relation queries the response was YES. Maximal size of possible extension queue 2430. Compared 1481294 event pairs, 14875 based on Foata normal form. 0/99096 useless extension candidates. Maximal degree in co-relation 182505. Up to 27548 conditions per place. [2023-08-31 21:35:06,760 INFO L137 encePairwiseOnDemand]: 1976/1980 looper letters, 133 selfloop transitions, 2 changer transitions 0/305 dead transitions. [2023-08-31 21:35:06,760 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 268 places, 305 transitions, 1215 flow [2023-08-31 21:35:06,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 21:35:06,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 21:35:06,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2997 transitions. [2023-08-31 21:35:06,763 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5045454545454545 [2023-08-31 21:35:06,763 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2997 transitions. [2023-08-31 21:35:06,763 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2997 transitions. [2023-08-31 21:35:06,763 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:35:06,763 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2997 transitions. [2023-08-31 21:35:06,765 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 999.0) internal successors, (2997), 3 states have internal predecessors, (2997), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:35:06,769 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1980.0) internal successors, (7920), 4 states have internal predecessors, (7920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:35:06,770 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1980.0) internal successors, (7920), 4 states have internal predecessors, (7920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:35:06,770 INFO L175 Difference]: Start difference. First operand has 268 places, 254 transitions, 788 flow. Second operand 3 states and 2997 transitions. [2023-08-31 21:35:06,770 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 268 places, 305 transitions, 1215 flow [2023-08-31 21:35:06,846 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 268 places, 305 transitions, 1215 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-31 21:35:06,848 INFO L231 Difference]: Finished difference. Result has 269 places, 254 transitions, 798 flow [2023-08-31 21:35:06,849 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1980, PETRI_DIFFERENCE_MINUEND_FLOW=784, PETRI_DIFFERENCE_MINUEND_PLACES=266, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=252, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=250, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=798, PETRI_PLACES=269, PETRI_TRANSITIONS=254} [2023-08-31 21:35:06,849 INFO L281 CegarLoopForPetriNet]: 316 programPoint places, -47 predicate places. [2023-08-31 21:35:06,849 INFO L495 AbstractCegarLoop]: Abstraction has has 269 places, 254 transitions, 798 flow [2023-08-31 21:35:06,850 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 971.3333333333334) internal successors, (2914), 3 states have internal predecessors, (2914), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:35:06,850 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:35:06,850 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] [2023-08-31 21:35:06,850 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-08-31 21:35:06,850 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting thread2Err24ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 191 more)] === [2023-08-31 21:35:06,851 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:35:06,851 INFO L85 PathProgramCache]: Analyzing trace with hash 510012216, now seen corresponding path program 1 times [2023-08-31 21:35:06,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:35:06,851 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868397345] [2023-08-31 21:35:06,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:35:06,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:35:06,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:35:06,924 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-08-31 21:35:06,925 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:35:06,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1868397345] [2023-08-31 21:35:06,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1868397345] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:35:06,925 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:35:06,925 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-31 21:35:06,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418853422] [2023-08-31 21:35:06,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:35:06,926 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 21:35:06,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:35:06,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 21:35:06,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 21:35:06,935 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 962 out of 1980 [2023-08-31 21:35:06,936 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 269 places, 254 transitions, 798 flow. Second operand has 3 states, 3 states have (on average 969.3333333333334) internal successors, (2908), 3 states have internal predecessors, (2908), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:35:06,936 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:35:06,936 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 962 of 1980 [2023-08-31 21:35:06,937 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:35:20,927 INFO L130 PetriNetUnfolder]: 35939/114788 cut-off events. [2023-08-31 21:35:20,927 INFO L131 PetriNetUnfolder]: For 13503/13825 co-relation queries the response was YES. [2023-08-31 21:35:22,176 INFO L83 FinitePrefix]: Finished finitePrefix Result has 191746 conditions, 114788 events. 35939/114788 cut-off events. For 13503/13825 co-relation queries the response was YES. Maximal size of possible extension queue 2479. Compared 1664109 event pairs, 21298 based on Foata normal form. 0/107550 useless extension candidates. Maximal degree in co-relation 191716. Up to 40094 conditions per place. [2023-08-31 21:35:22,531 INFO L137 encePairwiseOnDemand]: 1976/1980 looper letters, 122 selfloop transitions, 3 changer transitions 0/297 dead transitions. [2023-08-31 21:35:22,532 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 271 places, 297 transitions, 1180 flow [2023-08-31 21:35:22,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 21:35:22,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 21:35:22,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2986 transitions. [2023-08-31 21:35:22,534 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5026936026936027 [2023-08-31 21:35:22,534 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2986 transitions. [2023-08-31 21:35:22,534 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2986 transitions. [2023-08-31 21:35:22,534 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:35:22,534 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2986 transitions. [2023-08-31 21:35:22,536 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 995.3333333333334) internal successors, (2986), 3 states have internal predecessors, (2986), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:35:22,539 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1980.0) internal successors, (7920), 4 states have internal predecessors, (7920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:35:22,539 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1980.0) internal successors, (7920), 4 states have internal predecessors, (7920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:35:22,539 INFO L175 Difference]: Start difference. First operand has 269 places, 254 transitions, 798 flow. Second operand 3 states and 2986 transitions. [2023-08-31 21:35:22,539 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 271 places, 297 transitions, 1180 flow [2023-08-31 21:35:22,619 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 271 places, 297 transitions, 1180 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-31 21:35:22,621 INFO L231 Difference]: Finished difference. Result has 273 places, 256 transitions, 820 flow [2023-08-31 21:35:22,621 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1980, PETRI_DIFFERENCE_MINUEND_FLOW=798, PETRI_DIFFERENCE_MINUEND_PLACES=269, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=254, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=251, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=820, PETRI_PLACES=273, PETRI_TRANSITIONS=256} [2023-08-31 21:35:22,622 INFO L281 CegarLoopForPetriNet]: 316 programPoint places, -43 predicate places. [2023-08-31 21:35:22,622 INFO L495 AbstractCegarLoop]: Abstraction has has 273 places, 256 transitions, 820 flow [2023-08-31 21:35:22,622 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 969.3333333333334) internal successors, (2908), 3 states have internal predecessors, (2908), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:35:22,622 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:35:22,622 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] [2023-08-31 21:35:22,622 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-08-31 21:35:22,622 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting thread3Err13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 191 more)] === [2023-08-31 21:35:22,623 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:35:22,623 INFO L85 PathProgramCache]: Analyzing trace with hash -212321600, now seen corresponding path program 1 times [2023-08-31 21:35:22,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:35:22,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265021993] [2023-08-31 21:35:22,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:35:22,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:35:22,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:35:22,746 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-08-31 21:35:22,746 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:35:22,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265021993] [2023-08-31 21:35:22,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1265021993] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:35:22,746 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:35:22,746 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 21:35:22,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824913475] [2023-08-31 21:35:22,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:35:22,747 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 21:35:22,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:35:22,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 21:35:22,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 21:35:22,979 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 944 out of 1980 [2023-08-31 21:35:22,980 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 273 places, 256 transitions, 820 flow. Second operand has 3 states, 3 states have (on average 954.0) internal successors, (2862), 3 states have internal predecessors, (2862), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:35:22,981 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:35:22,981 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 944 of 1980 [2023-08-31 21:35:22,981 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:35:38,519 INFO L130 PetriNetUnfolder]: 39964/111753 cut-off events. [2023-08-31 21:35:38,520 INFO L131 PetriNetUnfolder]: For 23277/23629 co-relation queries the response was YES. [2023-08-31 21:35:39,747 INFO L83 FinitePrefix]: Finished finitePrefix Result has 206128 conditions, 111753 events. 39964/111753 cut-off events. For 23277/23629 co-relation queries the response was YES. Maximal size of possible extension queue 2600. Compared 1537866 event pairs, 17978 based on Foata normal form. 1/104721 useless extension candidates. Maximal degree in co-relation 206096. Up to 32256 conditions per place. [2023-08-31 21:35:40,101 INFO L137 encePairwiseOnDemand]: 1976/1980 looper letters, 139 selfloop transitions, 2 changer transitions 0/309 dead transitions. [2023-08-31 21:35:40,102 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 273 places, 309 transitions, 1277 flow [2023-08-31 21:35:40,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 21:35:40,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 21:35:40,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2945 transitions. [2023-08-31 21:35:40,104 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4957912457912458 [2023-08-31 21:35:40,104 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2945 transitions. [2023-08-31 21:35:40,104 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2945 transitions. [2023-08-31 21:35:40,104 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:35:40,104 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2945 transitions. [2023-08-31 21:35:40,106 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 981.6666666666666) internal successors, (2945), 3 states have internal predecessors, (2945), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:35:40,109 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1980.0) internal successors, (7920), 4 states have internal predecessors, (7920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:35:40,109 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1980.0) internal successors, (7920), 4 states have internal predecessors, (7920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:35:40,109 INFO L175 Difference]: Start difference. First operand has 273 places, 256 transitions, 820 flow. Second operand 3 states and 2945 transitions. [2023-08-31 21:35:40,109 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 273 places, 309 transitions, 1277 flow [2023-08-31 21:35:40,818 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 271 places, 309 transitions, 1267 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-31 21:35:40,821 INFO L231 Difference]: Finished difference. Result has 272 places, 256 transitions, 824 flow [2023-08-31 21:35:40,821 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1980, PETRI_DIFFERENCE_MINUEND_FLOW=810, PETRI_DIFFERENCE_MINUEND_PLACES=269, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=254, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=252, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=824, PETRI_PLACES=272, PETRI_TRANSITIONS=256} [2023-08-31 21:35:40,822 INFO L281 CegarLoopForPetriNet]: 316 programPoint places, -44 predicate places. [2023-08-31 21:35:40,822 INFO L495 AbstractCegarLoop]: Abstraction has has 272 places, 256 transitions, 824 flow [2023-08-31 21:35:40,822 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 954.0) internal successors, (2862), 3 states have internal predecessors, (2862), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:35:40,822 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:35:40,822 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] [2023-08-31 21:35:40,822 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2023-08-31 21:35:40,823 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting thread1Err24ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 191 more)] === [2023-08-31 21:35:40,823 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:35:40,823 INFO L85 PathProgramCache]: Analyzing trace with hash 781802555, now seen corresponding path program 1 times [2023-08-31 21:35:40,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:35:40,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970118140] [2023-08-31 21:35:40,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:35:40,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:35:40,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:35:40,898 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-08-31 21:35:40,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:35:40,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970118140] [2023-08-31 21:35:40,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1970118140] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:35:40,899 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:35:40,899 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 21:35:40,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [75516796] [2023-08-31 21:35:40,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:35:40,899 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 21:35:40,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:35:40,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 21:35:40,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 21:35:40,912 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 962 out of 1980 [2023-08-31 21:35:40,914 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 272 places, 256 transitions, 824 flow. Second operand has 3 states, 3 states have (on average 969.3333333333334) internal successors, (2908), 3 states have internal predecessors, (2908), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:35:40,914 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:35:40,914 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 962 of 1980 [2023-08-31 21:35:40,914 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:35:54,221 INFO L130 PetriNetUnfolder]: 37163/106510 cut-off events. [2023-08-31 21:35:54,221 INFO L131 PetriNetUnfolder]: For 15607/15950 co-relation queries the response was YES. [2023-08-31 21:35:55,468 INFO L83 FinitePrefix]: Finished finitePrefix Result has 193470 conditions, 106510 events. 37163/106510 cut-off events. For 15607/15950 co-relation queries the response was YES. Maximal size of possible extension queue 2510. Compared 1478998 event pairs, 25139 based on Foata normal form. 2554/101119 useless extension candidates. Maximal degree in co-relation 193438. Up to 46889 conditions per place. [2023-08-31 21:35:55,989 INFO L137 encePairwiseOnDemand]: 1976/1980 looper letters, 121 selfloop transitions, 4 changer transitions 0/296 dead transitions. [2023-08-31 21:35:55,990 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 273 places, 296 transitions, 1199 flow [2023-08-31 21:35:55,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 21:35:55,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 21:35:55,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2984 transitions. [2023-08-31 21:35:55,992 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5023569023569023 [2023-08-31 21:35:55,992 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2984 transitions. [2023-08-31 21:35:55,992 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2984 transitions. [2023-08-31 21:35:55,992 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:35:55,992 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2984 transitions. [2023-08-31 21:35:55,994 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 994.6666666666666) internal successors, (2984), 3 states have internal predecessors, (2984), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:35:55,997 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1980.0) internal successors, (7920), 4 states have internal predecessors, (7920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:35:55,997 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1980.0) internal successors, (7920), 4 states have internal predecessors, (7920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:35:55,997 INFO L175 Difference]: Start difference. First operand has 272 places, 256 transitions, 824 flow. Second operand 3 states and 2984 transitions. [2023-08-31 21:35:55,997 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 273 places, 296 transitions, 1199 flow [2023-08-31 21:35:56,185 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 273 places, 296 transitions, 1199 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-31 21:35:56,188 INFO L231 Difference]: Finished difference. Result has 273 places, 255 transitions, 830 flow [2023-08-31 21:35:56,188 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1980, PETRI_DIFFERENCE_MINUEND_FLOW=822, PETRI_DIFFERENCE_MINUEND_PLACES=271, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=255, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=251, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=830, PETRI_PLACES=273, PETRI_TRANSITIONS=255} [2023-08-31 21:35:56,189 INFO L281 CegarLoopForPetriNet]: 316 programPoint places, -43 predicate places. [2023-08-31 21:35:56,189 INFO L495 AbstractCegarLoop]: Abstraction has has 273 places, 255 transitions, 830 flow [2023-08-31 21:35:56,189 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 969.3333333333334) internal successors, (2908), 3 states have internal predecessors, (2908), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:35:56,190 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:35:56,190 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] [2023-08-31 21:35:56,190 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2023-08-31 21:35:56,190 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting thread2Err24ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 191 more)] === [2023-08-31 21:35:56,190 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:35:56,191 INFO L85 PathProgramCache]: Analyzing trace with hash -238542970, now seen corresponding path program 1 times [2023-08-31 21:35:56,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:35:56,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200815057] [2023-08-31 21:35:56,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:35:56,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:35:56,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:35:56,270 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-08-31 21:35:56,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:35:56,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [200815057] [2023-08-31 21:35:56,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [200815057] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:35:56,271 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:35:56,271 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 21:35:56,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [374657616] [2023-08-31 21:35:56,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:35:56,272 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 21:35:56,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:35:56,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 21:35:56,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 21:35:56,285 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 962 out of 1980 [2023-08-31 21:35:56,286 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 273 places, 255 transitions, 830 flow. Second operand has 3 states, 3 states have (on average 970.0) internal successors, (2910), 3 states have internal predecessors, (2910), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:35:56,287 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:35:56,287 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 962 of 1980 [2023-08-31 21:35:56,287 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:36:09,657 INFO L130 PetriNetUnfolder]: 37163/106536 cut-off events. [2023-08-31 21:36:09,657 INFO L131 PetriNetUnfolder]: For 22680/23002 co-relation queries the response was YES. [2023-08-31 21:36:10,894 INFO L83 FinitePrefix]: Finished finitePrefix Result has 198635 conditions, 106536 events. 37163/106536 cut-off events. For 22680/23002 co-relation queries the response was YES. Maximal size of possible extension queue 2494. Compared 1477288 event pairs, 25455 based on Foata normal form. 2426/102043 useless extension candidates. Maximal degree in co-relation 198602. Up to 47397 conditions per place. [2023-08-31 21:36:11,165 INFO L137 encePairwiseOnDemand]: 1976/1980 looper letters, 121 selfloop transitions, 4 changer transitions 0/295 dead transitions. [2023-08-31 21:36:11,165 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 274 places, 295 transitions, 1214 flow [2023-08-31 21:36:11,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 21:36:11,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 21:36:11,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2984 transitions. [2023-08-31 21:36:11,167 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5023569023569023 [2023-08-31 21:36:11,167 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2984 transitions. [2023-08-31 21:36:11,167 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2984 transitions. [2023-08-31 21:36:11,168 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:36:11,168 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2984 transitions. [2023-08-31 21:36:11,169 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 994.6666666666666) internal successors, (2984), 3 states have internal predecessors, (2984), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:36:11,172 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1980.0) internal successors, (7920), 4 states have internal predecessors, (7920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:36:11,172 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1980.0) internal successors, (7920), 4 states have internal predecessors, (7920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:36:11,172 INFO L175 Difference]: Start difference. First operand has 273 places, 255 transitions, 830 flow. Second operand 3 states and 2984 transitions. [2023-08-31 21:36:11,173 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 274 places, 295 transitions, 1214 flow [2023-08-31 21:36:12,039 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 272 places, 295 transitions, 1198 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-31 21:36:12,041 INFO L231 Difference]: Finished difference. Result has 272 places, 254 transitions, 828 flow [2023-08-31 21:36:12,042 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1980, PETRI_DIFFERENCE_MINUEND_FLOW=820, PETRI_DIFFERENCE_MINUEND_PLACES=270, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=254, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=250, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=828, PETRI_PLACES=272, PETRI_TRANSITIONS=254} [2023-08-31 21:36:12,042 INFO L281 CegarLoopForPetriNet]: 316 programPoint places, -44 predicate places. [2023-08-31 21:36:12,042 INFO L495 AbstractCegarLoop]: Abstraction has has 272 places, 254 transitions, 828 flow [2023-08-31 21:36:12,043 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 970.0) internal successors, (2910), 3 states have internal predecessors, (2910), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:36:12,043 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:36:12,043 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, 1, 1, 1, 1, 1, 1] [2023-08-31 21:36:12,043 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2023-08-31 21:36:12,043 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 191 more)] === [2023-08-31 21:36:12,044 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:36:12,044 INFO L85 PathProgramCache]: Analyzing trace with hash 176138494, now seen corresponding path program 1 times [2023-08-31 21:36:12,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:36:12,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1262274052] [2023-08-31 21:36:12,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:36:12,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:36:12,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:36:12,645 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-08-31 21:36:12,646 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:36:12,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1262274052] [2023-08-31 21:36:12,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1262274052] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:36:12,646 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:36:12,646 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-31 21:36:12,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270361510] [2023-08-31 21:36:12,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:36:12,647 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-31 21:36:12,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:36:12,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-31 21:36:12,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-31 21:36:13,277 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 945 out of 1980 [2023-08-31 21:36:13,279 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 272 places, 254 transitions, 828 flow. Second operand has 6 states, 6 states have (on average 950.5) internal successors, (5703), 6 states have internal predecessors, (5703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:36:13,280 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:36:13,280 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 945 of 1980 [2023-08-31 21:36:13,280 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:36:27,655 INFO L130 PetriNetUnfolder]: 42000/111640 cut-off events. [2023-08-31 21:36:27,655 INFO L131 PetriNetUnfolder]: For 24837/25159 co-relation queries the response was YES. [2023-08-31 21:36:28,951 INFO L83 FinitePrefix]: Finished finitePrefix Result has 214237 conditions, 111640 events. 42000/111640 cut-off events. For 24837/25159 co-relation queries the response was YES. Maximal size of possible extension queue 2585. Compared 1503800 event pairs, 28827 based on Foata normal form. 0/104662 useless extension candidates. Maximal degree in co-relation 214204. Up to 52786 conditions per place. [2023-08-31 21:36:29,228 INFO L137 encePairwiseOnDemand]: 1975/1980 looper letters, 228 selfloop transitions, 4 changer transitions 0/397 dead transitions. [2023-08-31 21:36:29,228 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 276 places, 397 transitions, 1782 flow [2023-08-31 21:36:29,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-31 21:36:29,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-31 21:36:29,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 5854 transitions. [2023-08-31 21:36:29,232 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4927609427609428 [2023-08-31 21:36:29,232 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 5854 transitions. [2023-08-31 21:36:29,232 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 5854 transitions. [2023-08-31 21:36:29,232 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:36:29,232 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 5854 transitions. [2023-08-31 21:36:29,236 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 975.6666666666666) internal successors, (5854), 6 states have internal predecessors, (5854), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:36:29,240 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1980.0) internal successors, (13860), 7 states have internal predecessors, (13860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:36:29,241 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1980.0) internal successors, (13860), 7 states have internal predecessors, (13860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:36:29,241 INFO L175 Difference]: Start difference. First operand has 272 places, 254 transitions, 828 flow. Second operand 6 states and 5854 transitions. [2023-08-31 21:36:29,241 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 276 places, 397 transitions, 1782 flow [2023-08-31 21:36:30,086 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 274 places, 397 transitions, 1742 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-31 21:36:30,089 INFO L231 Difference]: Finished difference. Result has 274 places, 253 transitions, 826 flow [2023-08-31 21:36:30,089 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1980, PETRI_DIFFERENCE_MINUEND_FLOW=818, PETRI_DIFFERENCE_MINUEND_PLACES=269, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=253, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=249, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=826, PETRI_PLACES=274, PETRI_TRANSITIONS=253} [2023-08-31 21:36:30,090 INFO L281 CegarLoopForPetriNet]: 316 programPoint places, -42 predicate places. [2023-08-31 21:36:30,090 INFO L495 AbstractCegarLoop]: Abstraction has has 274 places, 253 transitions, 826 flow [2023-08-31 21:36:30,091 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 950.5) internal successors, (5703), 6 states have internal predecessors, (5703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:36:30,091 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:36:30,091 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, 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] [2023-08-31 21:36:30,091 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2023-08-31 21:36:30,091 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 191 more)] === [2023-08-31 21:36:30,092 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:36:30,092 INFO L85 PathProgramCache]: Analyzing trace with hash 777227054, now seen corresponding path program 1 times [2023-08-31 21:36:30,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:36:30,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275867708] [2023-08-31 21:36:30,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:36:30,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:36:30,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:36:30,839 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-08-31 21:36:30,839 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:36:30,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1275867708] [2023-08-31 21:36:30,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1275867708] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:36:30,839 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:36:30,840 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-31 21:36:30,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453186361] [2023-08-31 21:36:30,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:36:30,840 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-31 21:36:30,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:36:30,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-31 21:36:30,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-31 21:36:31,447 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 945 out of 1980 [2023-08-31 21:36:31,450 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 274 places, 253 transitions, 826 flow. Second operand has 6 states, 6 states have (on average 952.1666666666666) internal successors, (5713), 6 states have internal predecessors, (5713), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:36:31,450 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:36:31,450 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 945 of 1980 [2023-08-31 21:36:31,450 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:36:45,044 INFO L130 PetriNetUnfolder]: 37301/106817 cut-off events. [2023-08-31 21:36:45,044 INFO L131 PetriNetUnfolder]: For 16973/17316 co-relation queries the response was YES. [2023-08-31 21:36:46,320 INFO L83 FinitePrefix]: Finished finitePrefix Result has 197018 conditions, 106817 events. 37301/106817 cut-off events. For 16973/17316 co-relation queries the response was YES. Maximal size of possible extension queue 2492. Compared 1481584 event pairs, 29846 based on Foata normal form. 0/99333 useless extension candidates. Maximal degree in co-relation 196985. Up to 54806 conditions per place. [2023-08-31 21:36:46,367 INFO L137 encePairwiseOnDemand]: 1975/1980 looper letters, 0 selfloop transitions, 0 changer transitions 328/328 dead transitions. [2023-08-31 21:36:46,367 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 278 places, 328 transitions, 1356 flow [2023-08-31 21:36:46,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-31 21:36:46,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-31 21:36:46,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 5810 transitions. [2023-08-31 21:36:46,372 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4890572390572391 [2023-08-31 21:36:46,373 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 5810 transitions. [2023-08-31 21:36:46,373 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 5810 transitions. [2023-08-31 21:36:46,374 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:36:46,374 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 5810 transitions. [2023-08-31 21:36:46,380 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 968.3333333333334) internal successors, (5810), 6 states have internal predecessors, (5810), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:36:46,387 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1980.0) internal successors, (13860), 7 states have internal predecessors, (13860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:36:46,388 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1980.0) internal successors, (13860), 7 states have internal predecessors, (13860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:36:46,388 INFO L175 Difference]: Start difference. First operand has 274 places, 253 transitions, 826 flow. Second operand 6 states and 5810 transitions. [2023-08-31 21:36:46,388 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 278 places, 328 transitions, 1356 flow [2023-08-31 21:36:46,665 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 274 places, 328 transitions, 1349 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-31 21:36:46,667 INFO L231 Difference]: Finished difference. Result has 274 places, 0 transitions, 0 flow [2023-08-31 21:36:46,667 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1980, PETRI_DIFFERENCE_MINUEND_FLOW=817, PETRI_DIFFERENCE_MINUEND_PLACES=269, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=252, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=252, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=274, PETRI_TRANSITIONS=0} [2023-08-31 21:36:46,667 INFO L281 CegarLoopForPetriNet]: 316 programPoint places, -42 predicate places. [2023-08-31 21:36:46,667 INFO L495 AbstractCegarLoop]: Abstraction has has 274 places, 0 transitions, 0 flow [2023-08-31 21:36:46,668 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 952.1666666666666) internal successors, (5713), 6 states have internal predecessors, (5713), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:36:46,671 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (194 of 195 remaining) [2023-08-31 21:36:46,673 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (193 of 195 remaining) [2023-08-31 21:36:46,673 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (192 of 195 remaining) [2023-08-31 21:36:46,674 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (191 of 195 remaining) [2023-08-31 21:36:46,674 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (190 of 195 remaining) [2023-08-31 21:36:46,674 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (189 of 195 remaining) [2023-08-31 21:36:46,674 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (188 of 195 remaining) [2023-08-31 21:36:46,674 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (187 of 195 remaining) [2023-08-31 21:36:46,674 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (186 of 195 remaining) [2023-08-31 21:36:46,675 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (185 of 195 remaining) [2023-08-31 21:36:46,677 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (184 of 195 remaining) [2023-08-31 21:36:46,677 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (183 of 195 remaining) [2023-08-31 21:36:46,677 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (182 of 195 remaining) [2023-08-31 21:36:46,678 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (181 of 195 remaining) [2023-08-31 21:36:46,678 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (180 of 195 remaining) [2023-08-31 21:36:46,678 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (179 of 195 remaining) [2023-08-31 21:36:46,678 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONDATA_RACE (178 of 195 remaining) [2023-08-31 21:36:46,678 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (177 of 195 remaining) [2023-08-31 21:36:46,678 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (176 of 195 remaining) [2023-08-31 21:36:46,678 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (175 of 195 remaining) [2023-08-31 21:36:46,679 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONDATA_RACE (174 of 195 remaining) [2023-08-31 21:36:46,679 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err24ASSERT_VIOLATIONDATA_RACE (173 of 195 remaining) [2023-08-31 21:36:46,679 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err21ASSERT_VIOLATIONDATA_RACE (172 of 195 remaining) [2023-08-31 21:36:46,679 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err22ASSERT_VIOLATIONDATA_RACE (171 of 195 remaining) [2023-08-31 21:36:46,679 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err23ASSERT_VIOLATIONDATA_RACE (170 of 195 remaining) [2023-08-31 21:36:46,679 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (169 of 195 remaining) [2023-08-31 21:36:46,679 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (168 of 195 remaining) [2023-08-31 21:36:46,679 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (167 of 195 remaining) [2023-08-31 21:36:46,680 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (166 of 195 remaining) [2023-08-31 21:36:46,680 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (165 of 195 remaining) [2023-08-31 21:36:46,681 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (164 of 195 remaining) [2023-08-31 21:36:46,681 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (163 of 195 remaining) [2023-08-31 21:36:46,681 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (162 of 195 remaining) [2023-08-31 21:36:46,681 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (161 of 195 remaining) [2023-08-31 21:36:46,681 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (160 of 195 remaining) [2023-08-31 21:36:46,681 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (159 of 195 remaining) [2023-08-31 21:36:46,681 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (158 of 195 remaining) [2023-08-31 21:36:46,681 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (157 of 195 remaining) [2023-08-31 21:36:46,681 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (156 of 195 remaining) [2023-08-31 21:36:46,682 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (155 of 195 remaining) [2023-08-31 21:36:46,682 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (154 of 195 remaining) [2023-08-31 21:36:46,682 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (153 of 195 remaining) [2023-08-31 21:36:46,682 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (152 of 195 remaining) [2023-08-31 21:36:46,682 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (151 of 195 remaining) [2023-08-31 21:36:46,682 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (150 of 195 remaining) [2023-08-31 21:36:46,682 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (149 of 195 remaining) [2023-08-31 21:36:46,683 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err24ASSERT_VIOLATIONDATA_RACE (148 of 195 remaining) [2023-08-31 21:36:46,683 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (147 of 195 remaining) [2023-08-31 21:36:46,683 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (146 of 195 remaining) [2023-08-31 21:36:46,683 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONDATA_RACE (145 of 195 remaining) [2023-08-31 21:36:46,683 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (144 of 195 remaining) [2023-08-31 21:36:46,683 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (143 of 195 remaining) [2023-08-31 21:36:46,683 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (142 of 195 remaining) [2023-08-31 21:36:46,683 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (141 of 195 remaining) [2023-08-31 21:36:46,683 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (140 of 195 remaining) [2023-08-31 21:36:46,684 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (139 of 195 remaining) [2023-08-31 21:36:46,684 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (138 of 195 remaining) [2023-08-31 21:36:46,684 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (137 of 195 remaining) [2023-08-31 21:36:46,684 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (136 of 195 remaining) [2023-08-31 21:36:46,684 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (135 of 195 remaining) [2023-08-31 21:36:46,684 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (134 of 195 remaining) [2023-08-31 21:36:46,684 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (133 of 195 remaining) [2023-08-31 21:36:46,684 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err14ASSERT_VIOLATIONDATA_RACE (132 of 195 remaining) [2023-08-31 21:36:46,684 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err18ASSERT_VIOLATIONDATA_RACE (131 of 195 remaining) [2023-08-31 21:36:46,685 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONDATA_RACE (130 of 195 remaining) [2023-08-31 21:36:46,685 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err15ASSERT_VIOLATIONDATA_RACE (129 of 195 remaining) [2023-08-31 21:36:46,685 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err19ASSERT_VIOLATIONDATA_RACE (128 of 195 remaining) [2023-08-31 21:36:46,685 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err13ASSERT_VIOLATIONDATA_RACE (127 of 195 remaining) [2023-08-31 21:36:46,685 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err16ASSERT_VIOLATIONDATA_RACE (126 of 195 remaining) [2023-08-31 21:36:46,685 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err17ASSERT_VIOLATIONDATA_RACE (125 of 195 remaining) [2023-08-31 21:36:46,685 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err20ASSERT_VIOLATIONDATA_RACE (124 of 195 remaining) [2023-08-31 21:36:46,685 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err24ASSERT_VIOLATIONDATA_RACE (123 of 195 remaining) [2023-08-31 21:36:46,686 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err21ASSERT_VIOLATIONDATA_RACE (122 of 195 remaining) [2023-08-31 21:36:46,686 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err22ASSERT_VIOLATIONDATA_RACE (121 of 195 remaining) [2023-08-31 21:36:46,686 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err23ASSERT_VIOLATIONDATA_RACE (120 of 195 remaining) [2023-08-31 21:36:46,686 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (119 of 195 remaining) [2023-08-31 21:36:46,686 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (118 of 195 remaining) [2023-08-31 21:36:46,686 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (117 of 195 remaining) [2023-08-31 21:36:46,686 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (116 of 195 remaining) [2023-08-31 21:36:46,686 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (115 of 195 remaining) [2023-08-31 21:36:46,686 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (114 of 195 remaining) [2023-08-31 21:36:46,687 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (113 of 195 remaining) [2023-08-31 21:36:46,687 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (112 of 195 remaining) [2023-08-31 21:36:46,687 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (111 of 195 remaining) [2023-08-31 21:36:46,687 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (110 of 195 remaining) [2023-08-31 21:36:46,687 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (109 of 195 remaining) [2023-08-31 21:36:46,687 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (108 of 195 remaining) [2023-08-31 21:36:46,687 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (107 of 195 remaining) [2023-08-31 21:36:46,687 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (106 of 195 remaining) [2023-08-31 21:36:46,688 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (105 of 195 remaining) [2023-08-31 21:36:46,688 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (104 of 195 remaining) [2023-08-31 21:36:46,688 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (103 of 195 remaining) [2023-08-31 21:36:46,688 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (102 of 195 remaining) [2023-08-31 21:36:46,688 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (101 of 195 remaining) [2023-08-31 21:36:46,688 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE (100 of 195 remaining) [2023-08-31 21:36:46,688 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (99 of 195 remaining) [2023-08-31 21:36:46,688 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE (98 of 195 remaining) [2023-08-31 21:36:46,689 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE (97 of 195 remaining) [2023-08-31 21:36:46,689 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONDATA_RACE (96 of 195 remaining) [2023-08-31 21:36:46,689 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE (95 of 195 remaining) [2023-08-31 21:36:46,689 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONDATA_RACE (94 of 195 remaining) [2023-08-31 21:36:46,689 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONDATA_RACE (93 of 195 remaining) [2023-08-31 21:36:46,689 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONDATA_RACE (92 of 195 remaining) [2023-08-31 21:36:46,689 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONDATA_RACE (91 of 195 remaining) [2023-08-31 21:36:46,689 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONDATA_RACE (90 of 195 remaining) [2023-08-31 21:36:46,690 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr30ASSERT_VIOLATIONDATA_RACE (89 of 195 remaining) [2023-08-31 21:36:46,690 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr31ASSERT_VIOLATIONDATA_RACE (88 of 195 remaining) [2023-08-31 21:36:46,690 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr32ASSERT_VIOLATIONDATA_RACE (87 of 195 remaining) [2023-08-31 21:36:46,690 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr33ASSERT_VIOLATIONDATA_RACE (86 of 195 remaining) [2023-08-31 21:36:46,690 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr34ASSERT_VIOLATIONDATA_RACE (85 of 195 remaining) [2023-08-31 21:36:46,690 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr35ASSERT_VIOLATIONDATA_RACE (84 of 195 remaining) [2023-08-31 21:36:46,690 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr36ASSERT_VIOLATIONDATA_RACE (83 of 195 remaining) [2023-08-31 21:36:46,690 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr37ASSERT_VIOLATIONDATA_RACE (82 of 195 remaining) [2023-08-31 21:36:46,691 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr38ASSERT_VIOLATIONDATA_RACE (81 of 195 remaining) [2023-08-31 21:36:46,691 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr39ASSERT_VIOLATIONDATA_RACE (80 of 195 remaining) [2023-08-31 21:36:46,691 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr40ASSERT_VIOLATIONDATA_RACE (79 of 195 remaining) [2023-08-31 21:36:46,691 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr41ASSERT_VIOLATIONDATA_RACE (78 of 195 remaining) [2023-08-31 21:36:46,691 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (77 of 195 remaining) [2023-08-31 21:36:46,691 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (76 of 195 remaining) [2023-08-31 21:36:46,691 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (75 of 195 remaining) [2023-08-31 21:36:46,691 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (74 of 195 remaining) [2023-08-31 21:36:46,691 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (73 of 195 remaining) [2023-08-31 21:36:46,692 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (72 of 195 remaining) [2023-08-31 21:36:46,692 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (71 of 195 remaining) [2023-08-31 21:36:46,692 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (70 of 195 remaining) [2023-08-31 21:36:46,692 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (69 of 195 remaining) [2023-08-31 21:36:46,692 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (68 of 195 remaining) [2023-08-31 21:36:46,692 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (67 of 195 remaining) [2023-08-31 21:36:46,692 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (66 of 195 remaining) [2023-08-31 21:36:46,692 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (65 of 195 remaining) [2023-08-31 21:36:46,693 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (64 of 195 remaining) [2023-08-31 21:36:46,693 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (63 of 195 remaining) [2023-08-31 21:36:46,693 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (62 of 195 remaining) [2023-08-31 21:36:46,693 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (61 of 195 remaining) [2023-08-31 21:36:46,693 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (60 of 195 remaining) [2023-08-31 21:36:46,693 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (59 of 195 remaining) [2023-08-31 21:36:46,693 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONDATA_RACE (58 of 195 remaining) [2023-08-31 21:36:46,693 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (57 of 195 remaining) [2023-08-31 21:36:46,694 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (56 of 195 remaining) [2023-08-31 21:36:46,694 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (55 of 195 remaining) [2023-08-31 21:36:46,694 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONDATA_RACE (54 of 195 remaining) [2023-08-31 21:36:46,694 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err24ASSERT_VIOLATIONDATA_RACE (53 of 195 remaining) [2023-08-31 21:36:46,694 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err21ASSERT_VIOLATIONDATA_RACE (52 of 195 remaining) [2023-08-31 21:36:46,694 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err22ASSERT_VIOLATIONDATA_RACE (51 of 195 remaining) [2023-08-31 21:36:46,694 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err23ASSERT_VIOLATIONDATA_RACE (50 of 195 remaining) [2023-08-31 21:36:46,694 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (49 of 195 remaining) [2023-08-31 21:36:46,695 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (48 of 195 remaining) [2023-08-31 21:36:46,695 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (47 of 195 remaining) [2023-08-31 21:36:46,695 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (46 of 195 remaining) [2023-08-31 21:36:46,695 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (45 of 195 remaining) [2023-08-31 21:36:46,695 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (44 of 195 remaining) [2023-08-31 21:36:46,695 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (43 of 195 remaining) [2023-08-31 21:36:46,695 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (42 of 195 remaining) [2023-08-31 21:36:46,695 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (41 of 195 remaining) [2023-08-31 21:36:46,696 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (40 of 195 remaining) [2023-08-31 21:36:46,696 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (39 of 195 remaining) [2023-08-31 21:36:46,696 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (38 of 195 remaining) [2023-08-31 21:36:46,696 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (37 of 195 remaining) [2023-08-31 21:36:46,696 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (36 of 195 remaining) [2023-08-31 21:36:46,696 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (35 of 195 remaining) [2023-08-31 21:36:46,696 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (34 of 195 remaining) [2023-08-31 21:36:46,696 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (33 of 195 remaining) [2023-08-31 21:36:46,697 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (32 of 195 remaining) [2023-08-31 21:36:46,697 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (31 of 195 remaining) [2023-08-31 21:36:46,697 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (30 of 195 remaining) [2023-08-31 21:36:46,697 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (29 of 195 remaining) [2023-08-31 21:36:46,697 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err24ASSERT_VIOLATIONDATA_RACE (28 of 195 remaining) [2023-08-31 21:36:46,697 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (27 of 195 remaining) [2023-08-31 21:36:46,697 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (26 of 195 remaining) [2023-08-31 21:36:46,697 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONDATA_RACE (25 of 195 remaining) [2023-08-31 21:36:46,697 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (24 of 195 remaining) [2023-08-31 21:36:46,698 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (23 of 195 remaining) [2023-08-31 21:36:46,698 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (22 of 195 remaining) [2023-08-31 21:36:46,698 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (21 of 195 remaining) [2023-08-31 21:36:46,698 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (20 of 195 remaining) [2023-08-31 21:36:46,698 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (19 of 195 remaining) [2023-08-31 21:36:46,698 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (18 of 195 remaining) [2023-08-31 21:36:46,698 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (17 of 195 remaining) [2023-08-31 21:36:46,698 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (16 of 195 remaining) [2023-08-31 21:36:46,699 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (15 of 195 remaining) [2023-08-31 21:36:46,699 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (14 of 195 remaining) [2023-08-31 21:36:46,699 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (13 of 195 remaining) [2023-08-31 21:36:46,699 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err14ASSERT_VIOLATIONDATA_RACE (12 of 195 remaining) [2023-08-31 21:36:46,699 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err18ASSERT_VIOLATIONDATA_RACE (11 of 195 remaining) [2023-08-31 21:36:46,699 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONDATA_RACE (10 of 195 remaining) [2023-08-31 21:36:46,699 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err15ASSERT_VIOLATIONDATA_RACE (9 of 195 remaining) [2023-08-31 21:36:46,699 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err19ASSERT_VIOLATIONDATA_RACE (8 of 195 remaining) [2023-08-31 21:36:46,700 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err13ASSERT_VIOLATIONDATA_RACE (7 of 195 remaining) [2023-08-31 21:36:46,700 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err16ASSERT_VIOLATIONDATA_RACE (6 of 195 remaining) [2023-08-31 21:36:46,700 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err17ASSERT_VIOLATIONDATA_RACE (5 of 195 remaining) [2023-08-31 21:36:46,700 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err20ASSERT_VIOLATIONDATA_RACE (4 of 195 remaining) [2023-08-31 21:36:46,700 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err24ASSERT_VIOLATIONDATA_RACE (3 of 195 remaining) [2023-08-31 21:36:46,700 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err21ASSERT_VIOLATIONDATA_RACE (2 of 195 remaining) [2023-08-31 21:36:46,700 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err22ASSERT_VIOLATIONDATA_RACE (1 of 195 remaining) [2023-08-31 21:36:46,700 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err23ASSERT_VIOLATIONDATA_RACE (0 of 195 remaining) [2023-08-31 21:36:46,701 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2023-08-31 21:36:46,701 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, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:36:46,706 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-31 21:36:46,707 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-31 21:36:46,710 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.08 09:36:46 BasicIcfg [2023-08-31 21:36:46,710 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-31 21:36:46,710 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-31 21:36:46,710 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-31 21:36:46,710 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-31 21:36:46,711 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 09:31:58" (3/4) ... [2023-08-31 21:36:46,713 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-31 21:36:46,717 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-08-31 21:36:46,717 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-08-31 21:36:46,717 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2023-08-31 21:36:46,728 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2023-08-31 21:36:46,728 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-08-31 21:36:46,729 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-08-31 21:36:46,730 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-08-31 21:36:46,789 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-31 21:36:46,789 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-31 21:36:46,790 INFO L158 Benchmark]: Toolchain (without parser) took 289900.11ms. Allocated memory was 62.9MB in the beginning and 16.1GB in the end (delta: 16.0GB). Free memory was 29.9MB in the beginning and 8.2GB in the end (delta: -8.2GB). Peak memory consumption was 7.8GB. Max. memory is 16.1GB. [2023-08-31 21:36:46,790 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 62.9MB. Free memory was 40.7MB in the beginning and 40.7MB in the end (delta: 78.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-31 21:36:46,790 INFO L158 Benchmark]: CACSL2BoogieTranslator took 389.36ms. Allocated memory was 62.9MB in the beginning and 79.7MB in the end (delta: 16.8MB). Free memory was 29.7MB in the beginning and 51.4MB in the end (delta: -21.7MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. [2023-08-31 21:36:46,790 INFO L158 Benchmark]: Boogie Procedure Inliner took 101.88ms. Allocated memory is still 79.7MB. Free memory was 51.4MB in the beginning and 45.8MB in the end (delta: 5.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-08-31 21:36:46,791 INFO L158 Benchmark]: Boogie Preprocessor took 60.28ms. Allocated memory is still 79.7MB. Free memory was 45.8MB in the beginning and 40.9MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-31 21:36:46,791 INFO L158 Benchmark]: RCFGBuilder took 1180.19ms. Allocated memory is still 79.7MB. Free memory was 40.9MB in the beginning and 42.8MB in the end (delta: -1.8MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. [2023-08-31 21:36:46,791 INFO L158 Benchmark]: TraceAbstraction took 288081.11ms. Allocated memory was 79.7MB in the beginning and 16.1GB in the end (delta: 16.0GB). Free memory was 41.9MB in the beginning and 8.3GB in the end (delta: -8.2GB). Peak memory consumption was 8.0GB. Max. memory is 16.1GB. [2023-08-31 21:36:46,791 INFO L158 Benchmark]: Witness Printer took 78.86ms. Allocated memory is still 16.1GB. Free memory was 8.3GB in the beginning and 8.2GB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-08-31 21:36:46,793 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 62.9MB. Free memory was 40.7MB in the beginning and 40.7MB in the end (delta: 78.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 389.36ms. Allocated memory was 62.9MB in the beginning and 79.7MB in the end (delta: 16.8MB). Free memory was 29.7MB in the beginning and 51.4MB in the end (delta: -21.7MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 101.88ms. Allocated memory is still 79.7MB. Free memory was 51.4MB in the beginning and 45.8MB in the end (delta: 5.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.28ms. Allocated memory is still 79.7MB. Free memory was 45.8MB in the beginning and 40.9MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1180.19ms. Allocated memory is still 79.7MB. Free memory was 40.9MB in the beginning and 42.8MB in the end (delta: -1.8MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. * TraceAbstraction took 288081.11ms. Allocated memory was 79.7MB in the beginning and 16.1GB in the end (delta: 16.0GB). Free memory was 41.9MB in the beginning and 8.3GB in the end (delta: -8.2GB). Peak memory consumption was 8.0GB. Max. memory is 16.1GB. * Witness Printer took 78.86ms. Allocated memory is still 16.1GB. Free memory was 8.3GB in the beginning and 8.2GB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 22.6s, 945 PlacesBefore, 316 PlacesAfterwards, 981 TransitionsBefore, 318 TransitionsAfterwards, 148920 CoEnabledTransitionPairs, 11 FixpointIterations, 571 TrivialSequentialCompositions, 260 ConcurrentSequentialCompositions, 76 TrivialYvCompositions, 34 ConcurrentYvCompositions, 34 ChoiceCompositions, 975 TotalNumberOfCompositions, 1148505 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 283634, independent: 278231, independent conditional: 0, independent unconditional: 278231, dependent: 5403, dependent conditional: 0, dependent unconditional: 5403, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 72551, independent: 72111, independent conditional: 0, independent unconditional: 72111, dependent: 440, dependent conditional: 0, dependent unconditional: 440, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 283634, independent: 206120, independent conditional: 0, independent unconditional: 206120, dependent: 4963, dependent conditional: 0, dependent unconditional: 4963, unknown: 72551, unknown conditional: 0, unknown unconditional: 72551] , Statistics on independence cache: Total cache size (in pairs): 12253, Positive cache size: 11948, Positive conditional cache size: 0, Positive unconditional cache size: 11948, Negative cache size: 305, Negative conditional cache size: 0, Negative unconditional cache size: 305, 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: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: 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: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 88]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 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: 91]: 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: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 120]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 120]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 120]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 131]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 131]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 131]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 105]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 106]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 108]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 108]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 108]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 1387 locations, 195 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: 287.8s, OverallIterations: 29, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 258.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 23.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 7567 SdHoareTripleChecker+Valid, 9.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4167 mSDsluCounter, 540 SdHoareTripleChecker+Invalid, 8.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 177 mSDsCounter, 2102 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 12218 IncrementalHoareTripleChecker+Invalid, 14320 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2102 mSolverCounterUnsat, 363 mSDtfsCounter, 12218 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 89 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=830occurred in iteration=26, InterpolantAutomatonStates: 109, 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, 0.5s SatisfiabilityAnalysisTime, 4.7s InterpolantComputationTime, 945 NumberOfCodeBlocks, 945 NumberOfCodeBlocksAsserted, 29 NumberOfCheckSat, 916 ConstructedInterpolants, 0 QuantifiedInterpolants, 1648 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 29 InterpolantComputations, 29 PerfectInterpolantSequences, 123/123 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 117 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-31 21:36:46,812 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE