./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/weaver/popl20-three-array-sum.wvr.c --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations TOGETHER --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version b8dbc81d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/weaver/popl20-three-array-sum.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 4b8273370cd4ec5730806cf9b8f54c915e93daab6c48b9546d3920e402afdc55 --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations TOGETHER --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-29 19:14:37,883 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 19:14:37,884 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 19:14:37,902 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 19:14:37,905 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 19:14:37,908 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 19:14:37,910 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 19:14:37,912 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 19:14:37,913 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 19:14:37,917 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 19:14:37,917 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 19:14:37,919 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 19:14:37,920 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 19:14:37,922 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 19:14:37,923 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 19:14:37,926 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 19:14:37,926 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 19:14:37,927 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 19:14:37,928 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 19:14:37,929 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 19:14:37,936 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 19:14:37,939 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 19:14:37,940 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 19:14:37,940 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 19:14:37,948 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 19:14:37,948 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 19:14:37,948 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 19:14:37,950 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 19:14:37,950 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 19:14:37,951 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 19:14:37,954 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 19:14:37,955 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 19:14:37,956 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 19:14:37,957 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 19:14:37,957 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 19:14:37,957 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 19:14:37,958 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 19:14:37,958 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 19:14:37,958 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 19:14:37,959 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 19:14:37,959 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 19:14:37,961 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-29 19:14:37,990 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 19:14:37,991 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 19:14:37,992 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 19:14:37,992 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 19:14:37,992 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 19:14:37,992 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 19:14:37,993 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 19:14:37,993 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 19:14:37,993 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 19:14:37,993 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 19:14:37,994 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 19:14:37,994 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 19:14:37,994 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-29 19:14:37,994 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 19:14:37,994 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 19:14:37,995 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 19:14:37,995 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 19:14:37,995 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 19:14:37,995 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 19:14:37,995 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 19:14:37,995 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 19:14:37,995 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 19:14:37,996 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 19:14:37,996 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 19:14:37,996 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 19:14:37,996 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 19:14:37,996 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 19:14:37,996 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 19:14:37,997 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 19:14:37,997 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 19:14:37,997 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-29 19:14:37,997 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-29 19:14:37,997 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 19:14:37,997 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 19:14:37,997 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 19:14:37,998 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 19:14:37,998 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 19:14:37,998 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4b8273370cd4ec5730806cf9b8f54c915e93daab6c48b9546d3920e402afdc55 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> TOGETHER [2023-08-29 19:14:38,221 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 19:14:38,233 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 19:14:38,234 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 19:14:38,235 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 19:14:38,235 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 19:14:38,236 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-three-array-sum.wvr.c [2023-08-29 19:14:39,158 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 19:14:39,300 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 19:14:39,301 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-three-array-sum.wvr.c [2023-08-29 19:14:39,305 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/99f7a2b9b/4f3bc003822e4656902f7f77bea35eea/FLAGbe969e188 [2023-08-29 19:14:39,315 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/99f7a2b9b/4f3bc003822e4656902f7f77bea35eea [2023-08-29 19:14:39,316 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 19:14:39,317 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 19:14:39,318 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 19:14:39,318 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 19:14:39,322 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 19:14:39,322 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 07:14:39" (1/1) ... [2023-08-29 19:14:39,323 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a6fde1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:14:39, skipping insertion in model container [2023-08-29 19:14:39,323 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 07:14:39" (1/1) ... [2023-08-29 19:14:39,327 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 19:14:39,343 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 19:14:39,476 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/popl20-three-array-sum.wvr.c[2691,2704] [2023-08-29 19:14:39,482 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 19:14:39,490 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 19:14:39,528 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/popl20-three-array-sum.wvr.c[2691,2704] [2023-08-29 19:14:39,530 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 19:14:39,535 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 19:14:39,536 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 19:14:39,553 INFO L208 MainTranslator]: Completed translation [2023-08-29 19:14:39,554 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:14:39 WrapperNode [2023-08-29 19:14:39,554 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 19:14:39,555 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 19:14:39,555 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 19:14:39,555 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 19:14:39,559 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:14:39" (1/1) ... [2023-08-29 19:14:39,578 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:14:39" (1/1) ... [2023-08-29 19:14:39,608 INFO L138 Inliner]: procedures = 26, calls = 44, calls flagged for inlining = 8, calls inlined = 12, statements flattened = 218 [2023-08-29 19:14:39,608 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 19:14:39,610 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 19:14:39,610 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 19:14:39,610 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 19:14:39,616 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:14:39" (1/1) ... [2023-08-29 19:14:39,616 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:14:39" (1/1) ... [2023-08-29 19:14:39,629 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:14:39" (1/1) ... [2023-08-29 19:14:39,630 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:14:39" (1/1) ... [2023-08-29 19:14:39,643 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:14:39" (1/1) ... [2023-08-29 19:14:39,656 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:14:39" (1/1) ... [2023-08-29 19:14:39,659 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:14:39" (1/1) ... [2023-08-29 19:14:39,663 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:14:39" (1/1) ... [2023-08-29 19:14:39,666 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 19:14:39,668 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 19:14:39,668 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 19:14:39,668 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 19:14:39,669 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:14:39" (1/1) ... [2023-08-29 19:14:39,673 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 19:14:39,682 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 19:14:39,694 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-08-29 19:14:39,700 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-29 19:14:39,723 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 19:14:39,724 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 19:14:39,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-29 19:14:39,724 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-29 19:14:39,724 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-29 19:14:39,724 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-29 19:14:39,725 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-29 19:14:39,725 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-29 19:14:39,725 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-08-29 19:14:39,725 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-08-29 19:14:39,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-29 19:14:39,725 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-29 19:14:39,725 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-29 19:14:39,725 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-29 19:14:39,726 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 19:14:39,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 19:14:39,726 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 19:14:39,727 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-29 19:14:39,856 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 19:14:39,866 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 19:14:40,334 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 19:14:40,447 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 19:14:40,447 INFO L302 CfgBuilder]: Removed 6 assume(true) statements. [2023-08-29 19:14:40,450 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 07:14:40 BoogieIcfgContainer [2023-08-29 19:14:40,450 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 19:14:40,452 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 19:14:40,452 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 19:14:40,454 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 19:14:40,454 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 07:14:39" (1/3) ... [2023-08-29 19:14:40,455 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44c7caf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 07:14:40, skipping insertion in model container [2023-08-29 19:14:40,455 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:14:39" (2/3) ... [2023-08-29 19:14:40,455 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44c7caf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 07:14:40, skipping insertion in model container [2023-08-29 19:14:40,455 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 07:14:40" (3/3) ... [2023-08-29 19:14:40,456 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-three-array-sum.wvr.c [2023-08-29 19:14:40,462 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 19:14:40,468 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 19:14:40,468 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 39 error locations. [2023-08-29 19:14:40,468 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 19:14:40,543 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-08-29 19:14:40,577 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 335 places, 345 transitions, 714 flow [2023-08-29 19:14:40,676 INFO L130 PetriNetUnfolder]: 20/342 cut-off events. [2023-08-29 19:14:40,677 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2023-08-29 19:14:40,684 INFO L83 FinitePrefix]: Finished finitePrefix Result has 355 conditions, 342 events. 20/342 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 439 event pairs, 0 based on Foata normal form. 0/283 useless extension candidates. Maximal degree in co-relation 270. Up to 3 conditions per place. [2023-08-29 19:14:40,684 INFO L82 GeneralOperation]: Start removeDead. Operand has 335 places, 345 transitions, 714 flow [2023-08-29 19:14:40,691 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 316 places, 325 transitions, 668 flow [2023-08-29 19:14:40,694 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-29 19:14:40,704 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 316 places, 325 transitions, 668 flow [2023-08-29 19:14:40,706 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 316 places, 325 transitions, 668 flow [2023-08-29 19:14:40,707 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 316 places, 325 transitions, 668 flow [2023-08-29 19:14:40,750 INFO L130 PetriNetUnfolder]: 19/325 cut-off events. [2023-08-29 19:14:40,750 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2023-08-29 19:14:40,753 INFO L83 FinitePrefix]: Finished finitePrefix Result has 338 conditions, 325 events. 19/325 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 436 event pairs, 0 based on Foata normal form. 0/268 useless extension candidates. Maximal degree in co-relation 270. Up to 3 conditions per place. [2023-08-29 19:14:40,757 INFO L119 LiptonReduction]: Number of co-enabled transitions 9382 [2023-08-29 19:14:52,511 INFO L134 LiptonReduction]: Checked pairs total: 55476 [2023-08-29 19:14:52,512 INFO L136 LiptonReduction]: Total number of compositions: 312 [2023-08-29 19:14:52,521 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-29 19:14:52,525 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;@24c6eada, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-29 19:14:52,525 INFO L358 AbstractCegarLoop]: Starting to check reachability of 65 error locations. [2023-08-29 19:14:52,526 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2023-08-29 19:14:52,526 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 19:14:52,526 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 19:14:52,527 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-29 19:14:52,527 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 61 more)] === [2023-08-29 19:14:52,530 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 19:14:52,530 INFO L85 PathProgramCache]: Analyzing trace with hash 1323, now seen corresponding path program 1 times [2023-08-29 19:14:52,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 19:14:52,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [889607794] [2023-08-29 19:14:52,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 19:14:52,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 19:14:52,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 19:14:52,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 19:14:52,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 19:14:52,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [889607794] [2023-08-29 19:14:52,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [889607794] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 19:14:52,672 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 19:14:52,672 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-29 19:14:52,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691535290] [2023-08-29 19:14:52,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 19:14:52,679 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-29 19:14:52,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 19:14:52,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-29 19:14:52,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-29 19:14:52,703 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 310 out of 657 [2023-08-29 19:14:52,707 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 106 places, 106 transitions, 230 flow. Second operand has 2 states, 2 states have (on average 310.5) internal successors, (621), 2 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:14:52,707 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 19:14:52,707 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 310 of 657 [2023-08-29 19:14:52,708 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 19:14:52,952 INFO L130 PetriNetUnfolder]: 853/2057 cut-off events. [2023-08-29 19:14:52,952 INFO L131 PetriNetUnfolder]: For 82/82 co-relation queries the response was YES. [2023-08-29 19:14:52,956 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3286 conditions, 2057 events. 853/2057 cut-off events. For 82/82 co-relation queries the response was YES. Maximal size of possible extension queue 96. Compared 14780 event pairs, 465 based on Foata normal form. 380/2038 useless extension candidates. Maximal degree in co-relation 2847. Up to 1146 conditions per place. [2023-08-29 19:14:52,963 INFO L137 encePairwiseOnDemand]: 625/657 looper letters, 30 selfloop transitions, 0 changer transitions 1/74 dead transitions. [2023-08-29 19:14:52,964 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 74 transitions, 228 flow [2023-08-29 19:14:52,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-29 19:14:52,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-29 19:14:52,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 683 transitions. [2023-08-29 19:14:52,978 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5197869101978692 [2023-08-29 19:14:52,979 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 683 transitions. [2023-08-29 19:14:52,979 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 683 transitions. [2023-08-29 19:14:52,982 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 19:14:52,984 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 683 transitions. [2023-08-29 19:14:52,988 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 341.5) internal successors, (683), 2 states have internal predecessors, (683), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:14:52,992 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 657.0) internal successors, (1971), 3 states have internal predecessors, (1971), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:14:52,993 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 657.0) internal successors, (1971), 3 states have internal predecessors, (1971), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:14:52,994 INFO L175 Difference]: Start difference. First operand has 106 places, 106 transitions, 230 flow. Second operand 2 states and 683 transitions. [2023-08-29 19:14:52,995 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 74 transitions, 228 flow [2023-08-29 19:14:52,997 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 74 transitions, 216 flow, removed 0 selfloop flow, removed 6 redundant places. [2023-08-29 19:14:52,999 INFO L231 Difference]: Finished difference. Result has 72 places, 73 transitions, 151 flow [2023-08-29 19:14:53,001 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=657, PETRI_DIFFERENCE_MINUEND_FLOW=154, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=74, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=74, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=151, PETRI_PLACES=72, PETRI_TRANSITIONS=73} [2023-08-29 19:14:53,006 INFO L281 CegarLoopForPetriNet]: 106 programPoint places, -34 predicate places. [2023-08-29 19:14:53,007 INFO L495 AbstractCegarLoop]: Abstraction has has 72 places, 73 transitions, 151 flow [2023-08-29 19:14:53,008 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 310.5) internal successors, (621), 2 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:14:53,008 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 19:14:53,008 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 19:14:53,009 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-29 19:14:53,009 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 61 more)] === [2023-08-29 19:14:53,015 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 19:14:53,016 INFO L85 PathProgramCache]: Analyzing trace with hash -1600834020, now seen corresponding path program 1 times [2023-08-29 19:14:53,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 19:14:53,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708337092] [2023-08-29 19:14:53,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 19:14:53,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 19:14:53,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 19:14:53,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 19:14:53,145 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 19:14:53,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708337092] [2023-08-29 19:14:53,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [708337092] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 19:14:53,146 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 19:14:53,146 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 19:14:53,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1908196727] [2023-08-29 19:14:53,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 19:14:53,147 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 19:14:53,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 19:14:53,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 19:14:53,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 19:14:53,167 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 291 out of 657 [2023-08-29 19:14:53,168 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 73 transitions, 151 flow. Second operand has 3 states, 3 states have (on average 293.3333333333333) internal successors, (880), 3 states have internal predecessors, (880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:14:53,168 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 19:14:53,168 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 291 of 657 [2023-08-29 19:14:53,168 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 19:14:53,383 INFO L130 PetriNetUnfolder]: 1556/3314 cut-off events. [2023-08-29 19:14:53,383 INFO L131 PetriNetUnfolder]: For 36/36 co-relation queries the response was YES. [2023-08-29 19:14:53,387 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5559 conditions, 3314 events. 1556/3314 cut-off events. For 36/36 co-relation queries the response was YES. Maximal size of possible extension queue 129. Compared 23269 event pairs, 1173 based on Foata normal form. 0/2688 useless extension candidates. Maximal degree in co-relation 5556. Up to 2193 conditions per place. [2023-08-29 19:14:53,395 INFO L137 encePairwiseOnDemand]: 653/657 looper letters, 33 selfloop transitions, 1 changer transitions 0/70 dead transitions. [2023-08-29 19:14:53,396 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 70 transitions, 213 flow [2023-08-29 19:14:53,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 19:14:53,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 19:14:53,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 910 transitions. [2023-08-29 19:14:53,398 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.46169457128361235 [2023-08-29 19:14:53,398 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 910 transitions. [2023-08-29 19:14:53,398 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 910 transitions. [2023-08-29 19:14:53,399 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 19:14:53,399 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 910 transitions. [2023-08-29 19:14:53,400 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 303.3333333333333) internal successors, (910), 3 states have internal predecessors, (910), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:14:53,403 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 657.0) internal successors, (2628), 4 states have internal predecessors, (2628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:14:53,404 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 657.0) internal successors, (2628), 4 states have internal predecessors, (2628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:14:53,404 INFO L175 Difference]: Start difference. First operand has 72 places, 73 transitions, 151 flow. Second operand 3 states and 910 transitions. [2023-08-29 19:14:53,404 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 70 transitions, 213 flow [2023-08-29 19:14:53,405 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 70 places, 70 transitions, 213 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 19:14:53,406 INFO L231 Difference]: Finished difference. Result has 70 places, 70 transitions, 147 flow [2023-08-29 19:14:53,406 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=657, PETRI_DIFFERENCE_MINUEND_FLOW=145, PETRI_DIFFERENCE_MINUEND_PLACES=68, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=70, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=69, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=147, PETRI_PLACES=70, PETRI_TRANSITIONS=70} [2023-08-29 19:14:53,407 INFO L281 CegarLoopForPetriNet]: 106 programPoint places, -36 predicate places. [2023-08-29 19:14:53,407 INFO L495 AbstractCegarLoop]: Abstraction has has 70 places, 70 transitions, 147 flow [2023-08-29 19:14:53,408 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 293.3333333333333) internal successors, (880), 3 states have internal predecessors, (880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:14:53,408 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 19:14:53,408 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 19:14:53,408 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-29 19:14:53,408 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 61 more)] === [2023-08-29 19:14:53,410 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 19:14:53,410 INFO L85 PathProgramCache]: Analyzing trace with hash -802957931, now seen corresponding path program 1 times [2023-08-29 19:14:53,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 19:14:53,411 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794902841] [2023-08-29 19:14:53,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 19:14:53,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 19:14:53,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 19:14:53,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 19:14:53,481 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 19:14:53,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794902841] [2023-08-29 19:14:53,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [794902841] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 19:14:53,482 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 19:14:53,482 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 19:14:53,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576214696] [2023-08-29 19:14:53,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 19:14:53,483 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 19:14:53,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 19:14:53,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 19:14:53,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 19:14:53,495 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 306 out of 657 [2023-08-29 19:14:53,496 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 70 transitions, 147 flow. Second operand has 3 states, 3 states have (on average 308.6666666666667) internal successors, (926), 3 states have internal predecessors, (926), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:14:53,496 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 19:14:53,496 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 306 of 657 [2023-08-29 19:14:53,496 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 19:14:53,726 INFO L130 PetriNetUnfolder]: 1223/2635 cut-off events. [2023-08-29 19:14:53,726 INFO L131 PetriNetUnfolder]: For 30/30 co-relation queries the response was YES. [2023-08-29 19:14:53,729 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4339 conditions, 2635 events. 1223/2635 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 126. Compared 18050 event pairs, 204 based on Foata normal form. 0/2188 useless extension candidates. Maximal degree in co-relation 4335. Up to 1374 conditions per place. [2023-08-29 19:14:53,736 INFO L137 encePairwiseOnDemand]: 654/657 looper letters, 48 selfloop transitions, 2 changer transitions 0/88 dead transitions. [2023-08-29 19:14:53,736 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 88 transitions, 287 flow [2023-08-29 19:14:53,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 19:14:53,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 19:14:53,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 969 transitions. [2023-08-29 19:14:53,738 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4916286149162861 [2023-08-29 19:14:53,738 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 969 transitions. [2023-08-29 19:14:53,738 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 969 transitions. [2023-08-29 19:14:53,739 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 19:14:53,739 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 969 transitions. [2023-08-29 19:14:53,740 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 323.0) internal successors, (969), 3 states have internal predecessors, (969), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:14:53,743 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 657.0) internal successors, (2628), 4 states have internal predecessors, (2628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:14:53,743 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 657.0) internal successors, (2628), 4 states have internal predecessors, (2628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:14:53,744 INFO L175 Difference]: Start difference. First operand has 70 places, 70 transitions, 147 flow. Second operand 3 states and 969 transitions. [2023-08-29 19:14:53,744 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 71 places, 88 transitions, 287 flow [2023-08-29 19:14:53,745 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 70 places, 88 transitions, 286 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 19:14:53,746 INFO L231 Difference]: Finished difference. Result has 71 places, 71 transitions, 158 flow [2023-08-29 19:14:53,746 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=657, PETRI_DIFFERENCE_MINUEND_FLOW=144, PETRI_DIFFERENCE_MINUEND_PLACES=68, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=69, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=67, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=158, PETRI_PLACES=71, PETRI_TRANSITIONS=71} [2023-08-29 19:14:53,746 INFO L281 CegarLoopForPetriNet]: 106 programPoint places, -35 predicate places. [2023-08-29 19:14:53,746 INFO L495 AbstractCegarLoop]: Abstraction has has 71 places, 71 transitions, 158 flow [2023-08-29 19:14:53,747 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 308.6666666666667) internal successors, (926), 3 states have internal predecessors, (926), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:14:53,747 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 19:14:53,747 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 19:14:53,747 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-29 19:14:53,747 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 61 more)] === [2023-08-29 19:14:53,748 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 19:14:53,748 INFO L85 PathProgramCache]: Analyzing trace with hash -412166984, now seen corresponding path program 1 times [2023-08-29 19:14:53,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 19:14:53,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834346452] [2023-08-29 19:14:53,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 19:14:53,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 19:14:53,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 19:14:54,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 19:14:54,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 19:14:54,003 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1834346452] [2023-08-29 19:14:54,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1834346452] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 19:14:54,003 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 19:14:54,004 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 19:14:54,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328952373] [2023-08-29 19:14:54,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 19:14:54,004 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 19:14:54,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 19:14:54,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 19:14:54,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 19:14:54,213 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 289 out of 657 [2023-08-29 19:14:54,214 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 71 transitions, 158 flow. Second operand has 6 states, 6 states have (on average 291.5) internal successors, (1749), 6 states have internal predecessors, (1749), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:14:54,214 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 19:14:54,215 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 289 of 657 [2023-08-29 19:14:54,215 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 19:14:55,143 INFO L130 PetriNetUnfolder]: 4955/7801 cut-off events. [2023-08-29 19:14:55,144 INFO L131 PetriNetUnfolder]: For 1070/1080 co-relation queries the response was YES. [2023-08-29 19:14:55,152 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15554 conditions, 7801 events. 4955/7801 cut-off events. For 1070/1080 co-relation queries the response was YES. Maximal size of possible extension queue 343. Compared 50155 event pairs, 1201 based on Foata normal form. 0/6192 useless extension candidates. Maximal degree in co-relation 15550. Up to 3515 conditions per place. [2023-08-29 19:14:55,180 INFO L137 encePairwiseOnDemand]: 650/657 looper letters, 93 selfloop transitions, 13 changer transitions 0/139 dead transitions. [2023-08-29 19:14:55,181 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 139 transitions, 548 flow [2023-08-29 19:14:55,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 19:14:55,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 19:14:55,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1831 transitions. [2023-08-29 19:14:55,185 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.46448503297818367 [2023-08-29 19:14:55,185 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1831 transitions. [2023-08-29 19:14:55,185 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1831 transitions. [2023-08-29 19:14:55,186 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 19:14:55,186 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1831 transitions. [2023-08-29 19:14:55,189 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 305.1666666666667) internal successors, (1831), 6 states have internal predecessors, (1831), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:14:55,193 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 657.0) internal successors, (4599), 7 states have internal predecessors, (4599), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:14:55,194 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 657.0) internal successors, (4599), 7 states have internal predecessors, (4599), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:14:55,194 INFO L175 Difference]: Start difference. First operand has 71 places, 71 transitions, 158 flow. Second operand 6 states and 1831 transitions. [2023-08-29 19:14:55,194 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 139 transitions, 548 flow [2023-08-29 19:14:55,196 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 76 places, 139 transitions, 548 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 19:14:55,198 INFO L231 Difference]: Finished difference. Result has 81 places, 83 transitions, 268 flow [2023-08-29 19:14:55,199 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=657, PETRI_DIFFERENCE_MINUEND_FLOW=158, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=71, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=64, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=268, PETRI_PLACES=81, PETRI_TRANSITIONS=83} [2023-08-29 19:14:55,200 INFO L281 CegarLoopForPetriNet]: 106 programPoint places, -25 predicate places. [2023-08-29 19:14:55,200 INFO L495 AbstractCegarLoop]: Abstraction has has 81 places, 83 transitions, 268 flow [2023-08-29 19:14:55,201 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 291.5) internal successors, (1749), 6 states have internal predecessors, (1749), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:14:55,201 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 19:14:55,201 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 19:14:55,201 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-29 19:14:55,202 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 61 more)] === [2023-08-29 19:14:55,202 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 19:14:55,202 INFO L85 PathProgramCache]: Analyzing trace with hash -1335163975, now seen corresponding path program 1 times [2023-08-29 19:14:55,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 19:14:55,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260843656] [2023-08-29 19:14:55,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 19:14:55,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 19:14:55,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 19:14:55,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 19:14:55,321 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 19:14:55,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [260843656] [2023-08-29 19:14:55,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [260843656] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 19:14:55,321 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 19:14:55,322 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-08-29 19:14:55,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658205052] [2023-08-29 19:14:55,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 19:14:55,322 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-08-29 19:14:55,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 19:14:55,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-08-29 19:14:55,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-08-29 19:14:55,477 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 293 out of 657 [2023-08-29 19:14:55,479 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 81 places, 83 transitions, 268 flow. Second operand has 5 states, 5 states have (on average 294.6) internal successors, (1473), 5 states have internal predecessors, (1473), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:14:55,479 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 19:14:55,479 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 293 of 657 [2023-08-29 19:14:55,479 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 19:14:56,169 INFO L130 PetriNetUnfolder]: 3489/6895 cut-off events. [2023-08-29 19:14:56,169 INFO L131 PetriNetUnfolder]: For 5499/5666 co-relation queries the response was YES. [2023-08-29 19:14:56,181 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15741 conditions, 6895 events. 3489/6895 cut-off events. For 5499/5666 co-relation queries the response was YES. Maximal size of possible extension queue 318. Compared 53864 event pairs, 1275 based on Foata normal form. 12/5566 useless extension candidates. Maximal degree in co-relation 15732. Up to 3210 conditions per place. [2023-08-29 19:14:56,197 INFO L137 encePairwiseOnDemand]: 648/657 looper letters, 88 selfloop transitions, 10 changer transitions 0/140 dead transitions. [2023-08-29 19:14:56,198 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 85 places, 140 transitions, 707 flow [2023-08-29 19:14:56,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-29 19:14:56,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-29 19:14:56,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1538 transitions. [2023-08-29 19:14:56,201 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4681887366818874 [2023-08-29 19:14:56,201 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1538 transitions. [2023-08-29 19:14:56,201 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1538 transitions. [2023-08-29 19:14:56,202 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 19:14:56,202 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1538 transitions. [2023-08-29 19:14:56,204 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 307.6) internal successors, (1538), 5 states have internal predecessors, (1538), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:14:56,207 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 657.0) internal successors, (3942), 6 states have internal predecessors, (3942), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:14:56,209 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 657.0) internal successors, (3942), 6 states have internal predecessors, (3942), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:14:56,209 INFO L175 Difference]: Start difference. First operand has 81 places, 83 transitions, 268 flow. Second operand 5 states and 1538 transitions. [2023-08-29 19:14:56,209 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 85 places, 140 transitions, 707 flow [2023-08-29 19:14:56,218 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 85 places, 140 transitions, 707 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 19:14:56,219 INFO L231 Difference]: Finished difference. Result has 88 places, 91 transitions, 336 flow [2023-08-29 19:14:56,219 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=657, PETRI_DIFFERENCE_MINUEND_FLOW=268, PETRI_DIFFERENCE_MINUEND_PLACES=81, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=75, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=336, PETRI_PLACES=88, PETRI_TRANSITIONS=91} [2023-08-29 19:14:56,220 INFO L281 CegarLoopForPetriNet]: 106 programPoint places, -18 predicate places. [2023-08-29 19:14:56,220 INFO L495 AbstractCegarLoop]: Abstraction has has 88 places, 91 transitions, 336 flow [2023-08-29 19:14:56,221 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 294.6) internal successors, (1473), 5 states have internal predecessors, (1473), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:14:56,221 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 19:14:56,221 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 19:14:56,221 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-29 19:14:56,221 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 61 more)] === [2023-08-29 19:14:56,221 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 19:14:56,221 INFO L85 PathProgramCache]: Analyzing trace with hash 1264128058, now seen corresponding path program 1 times [2023-08-29 19:14:56,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 19:14:56,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1648257278] [2023-08-29 19:14:56,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 19:14:56,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 19:14:56,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 19:14:56,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 19:14:56,306 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 19:14:56,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1648257278] [2023-08-29 19:14:56,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1648257278] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 19:14:56,306 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 19:14:56,306 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-08-29 19:14:56,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788232964] [2023-08-29 19:14:56,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 19:14:56,307 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-08-29 19:14:56,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 19:14:56,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-08-29 19:14:56,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-08-29 19:14:56,418 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 293 out of 657 [2023-08-29 19:14:56,420 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 88 places, 91 transitions, 336 flow. Second operand has 5 states, 5 states have (on average 295.4) internal successors, (1477), 5 states have internal predecessors, (1477), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:14:56,420 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 19:14:56,420 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 293 of 657 [2023-08-29 19:14:56,420 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 19:14:57,040 INFO L130 PetriNetUnfolder]: 2565/5412 cut-off events. [2023-08-29 19:14:57,041 INFO L131 PetriNetUnfolder]: For 3410/3604 co-relation queries the response was YES. [2023-08-29 19:14:57,052 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11518 conditions, 5412 events. 2565/5412 cut-off events. For 3410/3604 co-relation queries the response was YES. Maximal size of possible extension queue 225. Compared 42191 event pairs, 1272 based on Foata normal form. 131/4663 useless extension candidates. Maximal degree in co-relation 11505. Up to 3103 conditions per place. [2023-08-29 19:14:57,067 INFO L137 encePairwiseOnDemand]: 648/657 looper letters, 68 selfloop transitions, 10 changer transitions 0/121 dead transitions. [2023-08-29 19:14:57,068 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 92 places, 121 transitions, 561 flow [2023-08-29 19:14:57,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-29 19:14:57,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-29 19:14:57,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1534 transitions. [2023-08-29 19:14:57,071 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4669710806697108 [2023-08-29 19:14:57,071 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1534 transitions. [2023-08-29 19:14:57,071 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1534 transitions. [2023-08-29 19:14:57,072 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 19:14:57,072 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1534 transitions. [2023-08-29 19:14:57,074 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 306.8) internal successors, (1534), 5 states have internal predecessors, (1534), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:14:57,077 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 657.0) internal successors, (3942), 6 states have internal predecessors, (3942), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:14:57,077 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 657.0) internal successors, (3942), 6 states have internal predecessors, (3942), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:14:57,077 INFO L175 Difference]: Start difference. First operand has 88 places, 91 transitions, 336 flow. Second operand 5 states and 1534 transitions. [2023-08-29 19:14:57,079 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 92 places, 121 transitions, 561 flow [2023-08-29 19:14:57,086 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 121 transitions, 561 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 19:14:57,089 INFO L231 Difference]: Finished difference. Result has 94 places, 92 transitions, 375 flow [2023-08-29 19:14:57,089 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=657, PETRI_DIFFERENCE_MINUEND_FLOW=336, PETRI_DIFFERENCE_MINUEND_PLACES=88, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=91, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=81, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=375, PETRI_PLACES=94, PETRI_TRANSITIONS=92} [2023-08-29 19:14:57,091 INFO L281 CegarLoopForPetriNet]: 106 programPoint places, -12 predicate places. [2023-08-29 19:14:57,091 INFO L495 AbstractCegarLoop]: Abstraction has has 94 places, 92 transitions, 375 flow [2023-08-29 19:14:57,092 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 295.4) internal successors, (1477), 5 states have internal predecessors, (1477), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:14:57,092 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 19:14:57,092 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 19:14:57,092 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-29 19:14:57,093 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 61 more)] === [2023-08-29 19:14:57,093 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 19:14:57,093 INFO L85 PathProgramCache]: Analyzing trace with hash -392262212, now seen corresponding path program 1 times [2023-08-29 19:14:57,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 19:14:57,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [407042892] [2023-08-29 19:14:57,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 19:14:57,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 19:14:57,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 19:14:57,336 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-08-29 19:14:57,336 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 19:14:57,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [407042892] [2023-08-29 19:14:57,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [407042892] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 19:14:57,336 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 19:14:57,336 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 19:14:57,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67600630] [2023-08-29 19:14:57,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 19:14:57,337 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 19:14:57,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 19:14:57,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 19:14:57,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 19:14:57,519 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 288 out of 657 [2023-08-29 19:14:57,520 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 94 places, 92 transitions, 375 flow. Second operand has 6 states, 6 states have (on average 290.6666666666667) internal successors, (1744), 6 states have internal predecessors, (1744), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:14:57,520 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 19:14:57,520 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 288 of 657 [2023-08-29 19:14:57,520 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 19:14:58,730 INFO L130 PetriNetUnfolder]: 5362/9426 cut-off events. [2023-08-29 19:14:58,730 INFO L131 PetriNetUnfolder]: For 9564/10021 co-relation queries the response was YES. [2023-08-29 19:14:58,753 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22420 conditions, 9426 events. 5362/9426 cut-off events. For 9564/10021 co-relation queries the response was YES. Maximal size of possible extension queue 468. Compared 69248 event pairs, 1536 based on Foata normal form. 88/7874 useless extension candidates. Maximal degree in co-relation 22404. Up to 5295 conditions per place. [2023-08-29 19:14:58,785 INFO L137 encePairwiseOnDemand]: 649/657 looper letters, 98 selfloop transitions, 26 changer transitions 0/162 dead transitions. [2023-08-29 19:14:58,786 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 99 places, 162 transitions, 883 flow [2023-08-29 19:14:58,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 19:14:58,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 19:14:58,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1819 transitions. [2023-08-29 19:14:58,789 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.46144089294774226 [2023-08-29 19:14:58,789 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1819 transitions. [2023-08-29 19:14:58,789 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1819 transitions. [2023-08-29 19:14:58,790 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 19:14:58,790 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1819 transitions. [2023-08-29 19:14:58,792 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 303.1666666666667) internal successors, (1819), 6 states have internal predecessors, (1819), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:14:58,796 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 657.0) internal successors, (4599), 7 states have internal predecessors, (4599), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:14:58,797 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 657.0) internal successors, (4599), 7 states have internal predecessors, (4599), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:14:58,797 INFO L175 Difference]: Start difference. First operand has 94 places, 92 transitions, 375 flow. Second operand 6 states and 1819 transitions. [2023-08-29 19:14:58,797 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 99 places, 162 transitions, 883 flow [2023-08-29 19:14:58,806 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 97 places, 162 transitions, 868 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-29 19:14:58,808 INFO L231 Difference]: Finished difference. Result has 102 places, 117 transitions, 648 flow [2023-08-29 19:14:58,808 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=657, PETRI_DIFFERENCE_MINUEND_FLOW=360, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=92, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=81, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=648, PETRI_PLACES=102, PETRI_TRANSITIONS=117} [2023-08-29 19:14:58,809 INFO L281 CegarLoopForPetriNet]: 106 programPoint places, -4 predicate places. [2023-08-29 19:14:58,809 INFO L495 AbstractCegarLoop]: Abstraction has has 102 places, 117 transitions, 648 flow [2023-08-29 19:14:58,810 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 290.6666666666667) internal successors, (1744), 6 states have internal predecessors, (1744), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:14:58,810 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 19:14:58,810 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 19:14:58,810 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-08-29 19:14:58,811 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 61 more)] === [2023-08-29 19:14:58,811 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 19:14:58,811 INFO L85 PathProgramCache]: Analyzing trace with hash 993491815, now seen corresponding path program 1 times [2023-08-29 19:14:58,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 19:14:58,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [960992279] [2023-08-29 19:14:58,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 19:14:58,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 19:14:58,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 19:14:58,858 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-08-29 19:14:58,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 19:14:58,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [960992279] [2023-08-29 19:14:58,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [960992279] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 19:14:58,859 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 19:14:58,859 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 19:14:58,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180675431] [2023-08-29 19:14:58,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 19:14:58,859 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 19:14:58,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 19:14:58,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 19:14:58,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 19:14:58,865 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 306 out of 657 [2023-08-29 19:14:58,866 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 102 places, 117 transitions, 648 flow. Second operand has 3 states, 3 states have (on average 310.3333333333333) internal successors, (931), 3 states have internal predecessors, (931), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:14:58,866 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 19:14:58,866 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 306 of 657 [2023-08-29 19:14:58,866 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 19:14:59,856 INFO L130 PetriNetUnfolder]: 5200/9408 cut-off events. [2023-08-29 19:14:59,856 INFO L131 PetriNetUnfolder]: For 21760/22775 co-relation queries the response was YES. [2023-08-29 19:14:59,879 INFO L83 FinitePrefix]: Finished finitePrefix Result has 26451 conditions, 9408 events. 5200/9408 cut-off events. For 21760/22775 co-relation queries the response was YES. Maximal size of possible extension queue 449. Compared 70228 event pairs, 487 based on Foata normal form. 81/8320 useless extension candidates. Maximal degree in co-relation 26431. Up to 5724 conditions per place. [2023-08-29 19:14:59,903 INFO L137 encePairwiseOnDemand]: 654/657 looper letters, 83 selfloop transitions, 31 changer transitions 0/160 dead transitions. [2023-08-29 19:14:59,904 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 160 transitions, 1200 flow [2023-08-29 19:14:59,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 19:14:59,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 19:14:59,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 971 transitions. [2023-08-29 19:14:59,906 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4926433282597666 [2023-08-29 19:14:59,906 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 971 transitions. [2023-08-29 19:14:59,906 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 971 transitions. [2023-08-29 19:14:59,907 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 19:14:59,907 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 971 transitions. [2023-08-29 19:14:59,908 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 323.6666666666667) internal successors, (971), 3 states have internal predecessors, (971), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:14:59,910 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 657.0) internal successors, (2628), 4 states have internal predecessors, (2628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:14:59,910 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 657.0) internal successors, (2628), 4 states have internal predecessors, (2628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:14:59,910 INFO L175 Difference]: Start difference. First operand has 102 places, 117 transitions, 648 flow. Second operand 3 states and 971 transitions. [2023-08-29 19:14:59,911 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 103 places, 160 transitions, 1200 flow [2023-08-29 19:14:59,925 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 103 places, 160 transitions, 1120 flow, removed 40 selfloop flow, removed 0 redundant places. [2023-08-29 19:14:59,927 INFO L231 Difference]: Finished difference. Result has 104 places, 142 transitions, 993 flow [2023-08-29 19:14:59,927 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=657, PETRI_DIFFERENCE_MINUEND_FLOW=606, PETRI_DIFFERENCE_MINUEND_PLACES=101, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=116, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=85, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=993, PETRI_PLACES=104, PETRI_TRANSITIONS=142} [2023-08-29 19:14:59,928 INFO L281 CegarLoopForPetriNet]: 106 programPoint places, -2 predicate places. [2023-08-29 19:14:59,928 INFO L495 AbstractCegarLoop]: Abstraction has has 104 places, 142 transitions, 993 flow [2023-08-29 19:14:59,928 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 310.3333333333333) internal successors, (931), 3 states have internal predecessors, (931), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:14:59,928 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 19:14:59,929 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] [2023-08-29 19:14:59,929 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-08-29 19:14:59,929 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 61 more)] === [2023-08-29 19:14:59,929 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 19:14:59,929 INFO L85 PathProgramCache]: Analyzing trace with hash -2130533545, now seen corresponding path program 1 times [2023-08-29 19:14:59,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 19:14:59,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953448400] [2023-08-29 19:14:59,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 19:14:59,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 19:14:59,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 19:15:00,551 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-08-29 19:15:00,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 19:15:00,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953448400] [2023-08-29 19:15:00,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1953448400] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 19:15:00,552 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 19:15:00,552 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-08-29 19:15:00,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672264464] [2023-08-29 19:15:00,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 19:15:00,553 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-08-29 19:15:00,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 19:15:00,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-08-29 19:15:00,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2023-08-29 19:15:01,261 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 277 out of 657 [2023-08-29 19:15:01,263 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 104 places, 142 transitions, 993 flow. Second operand has 11 states, 11 states have (on average 278.72727272727275) internal successors, (3066), 11 states have internal predecessors, (3066), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:15:01,263 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 19:15:01,263 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 277 of 657 [2023-08-29 19:15:01,263 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 19:15:02,658 INFO L130 PetriNetUnfolder]: 8220/12902 cut-off events. [2023-08-29 19:15:02,658 INFO L131 PetriNetUnfolder]: For 26062/29705 co-relation queries the response was YES. [2023-08-29 19:15:02,683 INFO L83 FinitePrefix]: Finished finitePrefix Result has 37644 conditions, 12902 events. 8220/12902 cut-off events. For 26062/29705 co-relation queries the response was YES. Maximal size of possible extension queue 517. Compared 87492 event pairs, 870 based on Foata normal form. 1282/12418 useless extension candidates. Maximal degree in co-relation 37623. Up to 3670 conditions per place. [2023-08-29 19:15:02,715 INFO L137 encePairwiseOnDemand]: 651/657 looper letters, 180 selfloop transitions, 8 changer transitions 0/225 dead transitions. [2023-08-29 19:15:02,716 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 109 places, 225 transitions, 1789 flow [2023-08-29 19:15:02,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-08-29 19:15:02,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2023-08-29 19:15:02,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 2027 transitions. [2023-08-29 19:15:02,720 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.44074798869319415 [2023-08-29 19:15:02,720 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 2027 transitions. [2023-08-29 19:15:02,720 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 2027 transitions. [2023-08-29 19:15:02,721 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 19:15:02,721 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 2027 transitions. [2023-08-29 19:15:02,724 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 289.57142857142856) internal successors, (2027), 7 states have internal predecessors, (2027), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:15:02,727 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 657.0) internal successors, (5256), 8 states have internal predecessors, (5256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:15:02,728 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 657.0) internal successors, (5256), 8 states have internal predecessors, (5256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:15:02,728 INFO L175 Difference]: Start difference. First operand has 104 places, 142 transitions, 993 flow. Second operand 7 states and 2027 transitions. [2023-08-29 19:15:02,728 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 109 places, 225 transitions, 1789 flow [2023-08-29 19:15:02,775 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 108 places, 225 transitions, 1776 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 19:15:02,777 INFO L231 Difference]: Finished difference. Result has 108 places, 141 transitions, 992 flow [2023-08-29 19:15:02,777 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=657, PETRI_DIFFERENCE_MINUEND_FLOW=976, PETRI_DIFFERENCE_MINUEND_PLACES=102, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=141, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=133, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=992, PETRI_PLACES=108, PETRI_TRANSITIONS=141} [2023-08-29 19:15:02,777 INFO L281 CegarLoopForPetriNet]: 106 programPoint places, 2 predicate places. [2023-08-29 19:15:02,778 INFO L495 AbstractCegarLoop]: Abstraction has has 108 places, 141 transitions, 992 flow [2023-08-29 19:15:02,778 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 278.72727272727275) internal successors, (3066), 11 states have internal predecessors, (3066), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:15:02,778 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 19:15:02,778 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] [2023-08-29 19:15:02,779 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-08-29 19:15:02,779 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 61 more)] === [2023-08-29 19:15:02,779 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 19:15:02,779 INFO L85 PathProgramCache]: Analyzing trace with hash -298971930, now seen corresponding path program 1 times [2023-08-29 19:15:02,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 19:15:02,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [83456495] [2023-08-29 19:15:02,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 19:15:02,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 19:15:02,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 19:15:02,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 19:15:02,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 19:15:02,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [83456495] [2023-08-29 19:15:02,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [83456495] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 19:15:02,980 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 19:15:02,980 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 19:15:02,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986119697] [2023-08-29 19:15:02,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 19:15:02,981 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 19:15:02,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 19:15:02,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 19:15:02,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 19:15:03,180 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 289 out of 657 [2023-08-29 19:15:03,181 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 108 places, 141 transitions, 992 flow. Second operand has 6 states, 6 states have (on average 292.0) internal successors, (1752), 6 states have internal predecessors, (1752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:15:03,181 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 19:15:03,181 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 289 of 657 [2023-08-29 19:15:03,181 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 19:15:04,320 INFO L130 PetriNetUnfolder]: 5241/9147 cut-off events. [2023-08-29 19:15:04,320 INFO L131 PetriNetUnfolder]: For 25928/26902 co-relation queries the response was YES. [2023-08-29 19:15:04,347 INFO L83 FinitePrefix]: Finished finitePrefix Result has 27585 conditions, 9147 events. 5241/9147 cut-off events. For 25928/26902 co-relation queries the response was YES. Maximal size of possible extension queue 441. Compared 66677 event pairs, 1663 based on Foata normal form. 106/7799 useless extension candidates. Maximal degree in co-relation 27564. Up to 5911 conditions per place. [2023-08-29 19:15:04,377 INFO L137 encePairwiseOnDemand]: 650/657 looper letters, 126 selfloop transitions, 17 changer transitions 0/183 dead transitions. [2023-08-29 19:15:04,377 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 113 places, 183 transitions, 1475 flow [2023-08-29 19:15:04,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 19:15:04,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 19:15:04,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1805 transitions. [2023-08-29 19:15:04,381 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.45788939624556063 [2023-08-29 19:15:04,382 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1805 transitions. [2023-08-29 19:15:04,382 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1805 transitions. [2023-08-29 19:15:04,383 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 19:15:04,383 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1805 transitions. [2023-08-29 19:15:04,385 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 300.8333333333333) internal successors, (1805), 6 states have internal predecessors, (1805), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:15:04,389 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 657.0) internal successors, (4599), 7 states have internal predecessors, (4599), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:15:04,389 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 657.0) internal successors, (4599), 7 states have internal predecessors, (4599), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:15:04,389 INFO L175 Difference]: Start difference. First operand has 108 places, 141 transitions, 992 flow. Second operand 6 states and 1805 transitions. [2023-08-29 19:15:04,389 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 113 places, 183 transitions, 1475 flow [2023-08-29 19:15:04,405 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 108 places, 183 transitions, 1461 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-08-29 19:15:04,407 INFO L231 Difference]: Finished difference. Result has 113 places, 157 transitions, 1206 flow [2023-08-29 19:15:04,408 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=657, PETRI_DIFFERENCE_MINUEND_FLOW=978, PETRI_DIFFERENCE_MINUEND_PLACES=103, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=141, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=133, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1206, PETRI_PLACES=113, PETRI_TRANSITIONS=157} [2023-08-29 19:15:04,408 INFO L281 CegarLoopForPetriNet]: 106 programPoint places, 7 predicate places. [2023-08-29 19:15:04,408 INFO L495 AbstractCegarLoop]: Abstraction has has 113 places, 157 transitions, 1206 flow [2023-08-29 19:15:04,409 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 292.0) internal successors, (1752), 6 states have internal predecessors, (1752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:15:04,409 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 19:15:04,409 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] [2023-08-29 19:15:04,409 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-08-29 19:15:04,409 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 61 more)] === [2023-08-29 19:15:04,410 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 19:15:04,410 INFO L85 PathProgramCache]: Analyzing trace with hash 1677421761, now seen corresponding path program 1 times [2023-08-29 19:15:04,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 19:15:04,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606776920] [2023-08-29 19:15:04,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 19:15:04,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 19:15:04,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 19:15:04,962 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-08-29 19:15:04,963 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 19:15:04,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [606776920] [2023-08-29 19:15:04,963 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [606776920] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 19:15:04,963 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 19:15:04,963 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-08-29 19:15:04,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756938098] [2023-08-29 19:15:04,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 19:15:04,964 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-08-29 19:15:04,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 19:15:04,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-08-29 19:15:04,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2023-08-29 19:15:05,680 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 277 out of 657 [2023-08-29 19:15:05,681 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 113 places, 157 transitions, 1206 flow. Second operand has 9 states, 9 states have (on average 278.77777777777777) internal successors, (2509), 9 states have internal predecessors, (2509), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:15:05,682 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 19:15:05,682 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 277 of 657 [2023-08-29 19:15:05,682 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 19:15:08,011 INFO L130 PetriNetUnfolder]: 11560/21746 cut-off events. [2023-08-29 19:15:08,011 INFO L131 PetriNetUnfolder]: For 66065/69685 co-relation queries the response was YES. [2023-08-29 19:15:08,079 INFO L83 FinitePrefix]: Finished finitePrefix Result has 64849 conditions, 21746 events. 11560/21746 cut-off events. For 66065/69685 co-relation queries the response was YES. Maximal size of possible extension queue 757. Compared 183506 event pairs, 1317 based on Foata normal form. 252/19267 useless extension candidates. Maximal degree in co-relation 64824. Up to 4442 conditions per place. [2023-08-29 19:15:08,138 INFO L137 encePairwiseOnDemand]: 647/657 looper letters, 262 selfloop transitions, 67 changer transitions 0/374 dead transitions. [2023-08-29 19:15:08,138 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 123 places, 374 transitions, 3731 flow [2023-08-29 19:15:08,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-08-29 19:15:08,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-08-29 19:15:08,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 3169 transitions. [2023-08-29 19:15:08,143 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.43849453438494534 [2023-08-29 19:15:08,143 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 3169 transitions. [2023-08-29 19:15:08,143 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 3169 transitions. [2023-08-29 19:15:08,145 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 19:15:08,145 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 3169 transitions. [2023-08-29 19:15:08,148 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 288.09090909090907) internal successors, (3169), 11 states have internal predecessors, (3169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:15:08,154 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 657.0) internal successors, (7884), 12 states have internal predecessors, (7884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:15:08,155 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 657.0) internal successors, (7884), 12 states have internal predecessors, (7884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:15:08,155 INFO L175 Difference]: Start difference. First operand has 113 places, 157 transitions, 1206 flow. Second operand 11 states and 3169 transitions. [2023-08-29 19:15:08,155 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 123 places, 374 transitions, 3731 flow [2023-08-29 19:15:08,335 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 123 places, 374 transitions, 3683 flow, removed 24 selfloop flow, removed 0 redundant places. [2023-08-29 19:15:08,338 INFO L231 Difference]: Finished difference. Result has 127 places, 212 transitions, 2149 flow [2023-08-29 19:15:08,339 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=657, PETRI_DIFFERENCE_MINUEND_FLOW=1190, PETRI_DIFFERENCE_MINUEND_PLACES=113, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=157, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=102, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=2149, PETRI_PLACES=127, PETRI_TRANSITIONS=212} [2023-08-29 19:15:08,339 INFO L281 CegarLoopForPetriNet]: 106 programPoint places, 21 predicate places. [2023-08-29 19:15:08,339 INFO L495 AbstractCegarLoop]: Abstraction has has 127 places, 212 transitions, 2149 flow [2023-08-29 19:15:08,340 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 278.77777777777777) internal successors, (2509), 9 states have internal predecessors, (2509), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:15:08,340 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 19:15:08,340 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] [2023-08-29 19:15:08,340 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-08-29 19:15:08,340 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 61 more)] === [2023-08-29 19:15:08,340 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 19:15:08,341 INFO L85 PathProgramCache]: Analyzing trace with hash 2495781, now seen corresponding path program 2 times [2023-08-29 19:15:08,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 19:15:08,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506604963] [2023-08-29 19:15:08,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 19:15:08,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 19:15:08,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 19:15:08,959 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-08-29 19:15:08,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 19:15:08,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506604963] [2023-08-29 19:15:08,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1506604963] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 19:15:08,960 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 19:15:08,960 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-08-29 19:15:08,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797240444] [2023-08-29 19:15:08,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 19:15:08,961 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-08-29 19:15:08,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 19:15:08,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-08-29 19:15:08,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2023-08-29 19:15:09,551 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 277 out of 657 [2023-08-29 19:15:09,552 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 127 places, 212 transitions, 2149 flow. Second operand has 9 states, 9 states have (on average 278.77777777777777) internal successors, (2509), 9 states have internal predecessors, (2509), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:15:09,552 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 19:15:09,553 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 277 of 657 [2023-08-29 19:15:09,553 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 19:15:12,712 INFO L130 PetriNetUnfolder]: 15509/29556 cut-off events. [2023-08-29 19:15:12,713 INFO L131 PetriNetUnfolder]: For 113703/120362 co-relation queries the response was YES. [2023-08-29 19:15:12,828 INFO L83 FinitePrefix]: Finished finitePrefix Result has 91386 conditions, 29556 events. 15509/29556 cut-off events. For 113703/120362 co-relation queries the response was YES. Maximal size of possible extension queue 1055. Compared 264637 event pairs, 4226 based on Foata normal form. 857/26342 useless extension candidates. Maximal degree in co-relation 91356. Up to 12827 conditions per place. [2023-08-29 19:15:12,927 INFO L137 encePairwiseOnDemand]: 647/657 looper letters, 175 selfloop transitions, 141 changer transitions 0/361 dead transitions. [2023-08-29 19:15:12,927 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 136 places, 361 transitions, 4000 flow [2023-08-29 19:15:12,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-08-29 19:15:12,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-08-29 19:15:12,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 2875 transitions. [2023-08-29 19:15:12,932 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4375951293759513 [2023-08-29 19:15:12,932 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 2875 transitions. [2023-08-29 19:15:12,932 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 2875 transitions. [2023-08-29 19:15:12,934 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 19:15:12,934 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 2875 transitions. [2023-08-29 19:15:12,937 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 287.5) internal successors, (2875), 10 states have internal predecessors, (2875), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:15:12,942 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 657.0) internal successors, (7227), 11 states have internal predecessors, (7227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:15:12,943 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 657.0) internal successors, (7227), 11 states have internal predecessors, (7227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:15:12,943 INFO L175 Difference]: Start difference. First operand has 127 places, 212 transitions, 2149 flow. Second operand 10 states and 2875 transitions. [2023-08-29 19:15:12,943 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 136 places, 361 transitions, 4000 flow [2023-08-29 19:15:13,137 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 132 places, 361 transitions, 3984 flow, removed 1 selfloop flow, removed 4 redundant places. [2023-08-29 19:15:13,141 INFO L231 Difference]: Finished difference. Result has 136 places, 262 transitions, 3304 flow [2023-08-29 19:15:13,141 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=657, PETRI_DIFFERENCE_MINUEND_FLOW=2133, PETRI_DIFFERENCE_MINUEND_PLACES=123, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=212, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=92, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=87, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=3304, PETRI_PLACES=136, PETRI_TRANSITIONS=262} [2023-08-29 19:15:13,142 INFO L281 CegarLoopForPetriNet]: 106 programPoint places, 30 predicate places. [2023-08-29 19:15:13,142 INFO L495 AbstractCegarLoop]: Abstraction has has 136 places, 262 transitions, 3304 flow [2023-08-29 19:15:13,142 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 278.77777777777777) internal successors, (2509), 9 states have internal predecessors, (2509), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:15:13,142 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 19:15:13,142 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] [2023-08-29 19:15:13,142 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-08-29 19:15:13,143 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting thread1Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 61 more)] === [2023-08-29 19:15:13,143 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 19:15:13,143 INFO L85 PathProgramCache]: Analyzing trace with hash 764390283, now seen corresponding path program 1 times [2023-08-29 19:15:13,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 19:15:13,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1293780611] [2023-08-29 19:15:13,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 19:15:13,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 19:15:13,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 19:15:13,382 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-08-29 19:15:13,382 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 19:15:13,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1293780611] [2023-08-29 19:15:13,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1293780611] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 19:15:13,382 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 19:15:13,382 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 19:15:13,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [355948541] [2023-08-29 19:15:13,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 19:15:13,383 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 19:15:13,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 19:15:13,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 19:15:13,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 19:15:13,588 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 288 out of 657 [2023-08-29 19:15:13,589 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 136 places, 262 transitions, 3304 flow. Second operand has 6 states, 6 states have (on average 291.0) internal successors, (1746), 6 states have internal predecessors, (1746), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:15:13,589 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 19:15:13,589 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 288 of 657 [2023-08-29 19:15:13,589 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 19:15:18,599 INFO L130 PetriNetUnfolder]: 23987/39918 cut-off events. [2023-08-29 19:15:18,599 INFO L131 PetriNetUnfolder]: For 232630/236405 co-relation queries the response was YES. [2023-08-29 19:15:18,792 INFO L83 FinitePrefix]: Finished finitePrefix Result has 140723 conditions, 39918 events. 23987/39918 cut-off events. For 232630/236405 co-relation queries the response was YES. Maximal size of possible extension queue 1201. Compared 324352 event pairs, 6827 based on Foata normal form. 1137/34957 useless extension candidates. Maximal degree in co-relation 140689. Up to 24152 conditions per place. [2023-08-29 19:15:18,922 INFO L137 encePairwiseOnDemand]: 650/657 looper letters, 254 selfloop transitions, 112 changer transitions 0/412 dead transitions. [2023-08-29 19:15:18,922 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 141 places, 412 transitions, 5839 flow [2023-08-29 19:15:18,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 19:15:18,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 19:15:18,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1817 transitions. [2023-08-29 19:15:18,926 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.46093353627600203 [2023-08-29 19:15:18,926 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1817 transitions. [2023-08-29 19:15:18,926 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1817 transitions. [2023-08-29 19:15:18,926 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 19:15:18,926 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1817 transitions. [2023-08-29 19:15:18,929 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 302.8333333333333) internal successors, (1817), 6 states have internal predecessors, (1817), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:15:18,931 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 657.0) internal successors, (4599), 7 states have internal predecessors, (4599), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:15:18,932 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 657.0) internal successors, (4599), 7 states have internal predecessors, (4599), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:15:18,932 INFO L175 Difference]: Start difference. First operand has 136 places, 262 transitions, 3304 flow. Second operand 6 states and 1817 transitions. [2023-08-29 19:15:18,932 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 141 places, 412 transitions, 5839 flow [2023-08-29 19:15:19,626 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 137 places, 412 transitions, 5677 flow, removed 74 selfloop flow, removed 4 redundant places. [2023-08-29 19:15:19,631 INFO L231 Difference]: Finished difference. Result has 141 places, 368 transitions, 5252 flow [2023-08-29 19:15:19,631 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=657, PETRI_DIFFERENCE_MINUEND_FLOW=3182, PETRI_DIFFERENCE_MINUEND_PLACES=132, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=262, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=31, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=225, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=5252, PETRI_PLACES=141, PETRI_TRANSITIONS=368} [2023-08-29 19:15:19,631 INFO L281 CegarLoopForPetriNet]: 106 programPoint places, 35 predicate places. [2023-08-29 19:15:19,631 INFO L495 AbstractCegarLoop]: Abstraction has has 141 places, 368 transitions, 5252 flow [2023-08-29 19:15:19,632 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 291.0) internal successors, (1746), 6 states have internal predecessors, (1746), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:15:19,632 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 19:15:19,632 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 19:15:19,632 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-08-29 19:15:19,632 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 61 more)] === [2023-08-29 19:15:19,633 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 19:15:19,633 INFO L85 PathProgramCache]: Analyzing trace with hash 789304179, now seen corresponding path program 3 times [2023-08-29 19:15:19,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 19:15:19,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1973330913] [2023-08-29 19:15:19,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 19:15:19,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 19:15:19,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 19:15:19,762 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-08-29 19:15:19,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 19:15:19,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1973330913] [2023-08-29 19:15:19,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1973330913] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-29 19:15:19,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [361926115] [2023-08-29 19:15:19,763 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-08-29 19:15:19,763 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-29 19:15:19,763 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 19:15:19,769 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-08-29 19:15:19,776 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-08-29 19:15:20,009 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2023-08-29 19:15:20,009 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-08-29 19:15:20,014 INFO L263 TraceCheckSpWp]: Trace formula consists of 455 conjuncts, 8 conjunts are in the unsatisfiable core [2023-08-29 19:15:20,018 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-08-29 19:15:20,151 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-08-29 19:15:20,151 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-08-29 19:15:20,205 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-08-29 19:15:20,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [361926115] provided 0 perfect and 2 imperfect interpolant sequences [2023-08-29 19:15:20,205 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-08-29 19:15:20,205 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 13 [2023-08-29 19:15:20,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361383033] [2023-08-29 19:15:20,206 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-08-29 19:15:20,206 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-08-29 19:15:20,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 19:15:20,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-08-29 19:15:20,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2023-08-29 19:15:20,723 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 286 out of 657 [2023-08-29 19:15:20,726 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 141 places, 368 transitions, 5252 flow. Second operand has 14 states, 14 states have (on average 288.0) internal successors, (4032), 14 states have internal predecessors, (4032), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:15:20,726 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 19:15:20,726 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 286 of 657 [2023-08-29 19:15:20,726 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 19:15:28,556 INFO L130 PetriNetUnfolder]: 30804/59030 cut-off events. [2023-08-29 19:15:28,556 INFO L131 PetriNetUnfolder]: For 572369/588915 co-relation queries the response was YES. [2023-08-29 19:15:28,966 INFO L83 FinitePrefix]: Finished finitePrefix Result has 210545 conditions, 59030 events. 30804/59030 cut-off events. For 572369/588915 co-relation queries the response was YES. Maximal size of possible extension queue 1912. Compared 593552 event pairs, 3544 based on Foata normal form. 11457/62720 useless extension candidates. Maximal degree in co-relation 210507. Up to 14159 conditions per place. [2023-08-29 19:15:29,297 INFO L137 encePairwiseOnDemand]: 647/657 looper letters, 483 selfloop transitions, 208 changer transitions 0/744 dead transitions. [2023-08-29 19:15:29,297 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 152 places, 744 transitions, 10970 flow [2023-08-29 19:15:29,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-08-29 19:15:29,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2023-08-29 19:15:29,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 3615 transitions. [2023-08-29 19:15:29,303 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4585235920852359 [2023-08-29 19:15:29,303 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 3615 transitions. [2023-08-29 19:15:29,303 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 3615 transitions. [2023-08-29 19:15:29,304 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 19:15:29,305 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 3615 transitions. [2023-08-29 19:15:29,311 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 301.25) internal successors, (3615), 12 states have internal predecessors, (3615), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:15:29,317 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 657.0) internal successors, (8541), 13 states have internal predecessors, (8541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:15:29,317 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 657.0) internal successors, (8541), 13 states have internal predecessors, (8541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:15:29,317 INFO L175 Difference]: Start difference. First operand has 141 places, 368 transitions, 5252 flow. Second operand 12 states and 3615 transitions. [2023-08-29 19:15:29,318 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 152 places, 744 transitions, 10970 flow [2023-08-29 19:15:32,314 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 152 places, 744 transitions, 10544 flow, removed 213 selfloop flow, removed 0 redundant places. [2023-08-29 19:15:32,321 INFO L231 Difference]: Finished difference. Result has 157 places, 567 transitions, 9629 flow [2023-08-29 19:15:32,321 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=657, PETRI_DIFFERENCE_MINUEND_FLOW=4946, PETRI_DIFFERENCE_MINUEND_PLACES=141, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=368, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=167, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=9629, PETRI_PLACES=157, PETRI_TRANSITIONS=567} [2023-08-29 19:15:32,322 INFO L281 CegarLoopForPetriNet]: 106 programPoint places, 51 predicate places. [2023-08-29 19:15:32,322 INFO L495 AbstractCegarLoop]: Abstraction has has 157 places, 567 transitions, 9629 flow [2023-08-29 19:15:32,322 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 288.0) internal successors, (4032), 14 states have internal predecessors, (4032), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:15:32,322 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 19:15:32,322 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 19:15:32,330 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-08-29 19:15:32,523 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2023-08-29 19:15:32,523 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 61 more)] === [2023-08-29 19:15:32,523 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 19:15:32,523 INFO L85 PathProgramCache]: Analyzing trace with hash 131908470, now seen corresponding path program 4 times [2023-08-29 19:15:32,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 19:15:32,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537145648] [2023-08-29 19:15:32,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 19:15:32,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 19:15:32,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 19:15:33,390 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-08-29 19:15:33,391 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 19:15:33,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537145648] [2023-08-29 19:15:33,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [537145648] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-29 19:15:33,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [422488055] [2023-08-29 19:15:33,391 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-08-29 19:15:33,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-29 19:15:33,391 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 19:15:33,392 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-08-29 19:15:33,394 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-08-29 19:16:28,200 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-08-29 19:16:28,201 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-08-29 19:16:28,229 INFO L263 TraceCheckSpWp]: Trace formula consists of 506 conjuncts, 103 conjunts are in the unsatisfiable core [2023-08-29 19:16:28,245 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-08-29 19:16:28,295 INFO L321 Elim1Store]: treesize reduction 72, result has 33.9 percent of original size [2023-08-29 19:16:28,295 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 15 treesize of output 42 [2023-08-29 19:16:28,339 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-08-29 19:16:28,339 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2023-08-29 19:16:28,527 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-08-29 19:16:28,570 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2023-08-29 19:16:28,610 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2023-08-29 19:16:28,654 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 38 [2023-08-29 19:16:28,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 19:16:28,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 19:16:28,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 19:16:28,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 19:16:28,911 INFO L321 Elim1Store]: treesize reduction 582, result has 28.7 percent of original size [2023-08-29 19:16:28,911 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 29 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 259 treesize of output 316 [2023-08-29 19:17:03,426 WARN L222 SmtUtils]: Spent 32.13s on a formula simplification. DAG size of input: 65 DAG size of output: 61 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-08-29 19:17:03,427 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-08-29 19:17:03,427 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-08-29 19:18:02,089 WARN L222 SmtUtils]: Spent 5.46s on a formula simplification that was a NOOP. DAG size: 70 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-08-29 19:18:30,956 WARN L222 SmtUtils]: Spent 6.06s on a formula simplification. DAG size of input: 71 DAG size of output: 65 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-08-29 19:18:31,011 INFO L173 IndexEqualityManager]: detected equality via solver [2023-08-29 19:18:51,945 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-08-29 19:18:51,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [422488055] provided 0 perfect and 2 imperfect interpolant sequences [2023-08-29 19:18:51,946 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-08-29 19:18:51,946 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 35 [2023-08-29 19:18:51,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139049800] [2023-08-29 19:18:51,946 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-08-29 19:18:51,947 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2023-08-29 19:18:51,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 19:18:51,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2023-08-29 19:18:51,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=166, Invalid=1151, Unknown=15, NotChecked=0, Total=1332 [2023-08-29 19:18:56,064 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-29 19:19:00,229 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-29 19:19:05,011 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-29 19:19:07,026 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-29 19:19:09,405 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-29 19:19:12,524 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-29 19:19:14,542 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-29 19:19:19,106 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-29 19:19:23,246 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-29 19:19:25,294 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-29 19:19:26,745 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-29 19:19:29,360 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-29 19:19:35,622 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-29 19:19:39,762 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-29 19:19:41,905 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-29 19:19:43,920 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-29 19:19:48,842 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-29 19:19:53,670 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-29 19:19:55,683 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-29 19:19:57,462 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-29 19:19:59,775 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-29 19:20:04,822 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-29 19:20:07,052 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-29 19:20:08,255 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-29 19:20:10,265 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-29 19:20:14,167 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-29 19:20:19,069 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-29 19:20:20,327 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-29 19:20:23,045 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-29 19:20:25,057 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-29 19:20:27,071 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-29 19:20:29,085 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-29 19:20:31,102 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-29 19:20:34,250 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-29 19:20:35,495 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-29 19:20:37,507 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-29 19:20:39,530 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-29 19:20:43,214 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-29 19:20:45,507 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-29 19:20:46,660 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-29 19:20:48,729 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-29 19:20:50,743 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-29 19:20:53,528 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-29 19:20:55,544 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-29 19:20:57,563 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-29 19:21:01,819 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-29 19:21:06,096 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-29 19:21:08,114 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-29 19:21:11,037 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-29 19:21:13,047 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-29 19:21:16,475 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-29 19:21:17,682 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-29 19:21:20,067 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-29 19:21:21,293 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-29 19:21:24,229 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-29 19:21:25,500 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-29 19:21:27,812 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-29 19:21:29,828 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-29 19:21:34,655 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-29 19:21:35,898 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-29 19:21:39,291 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-29 19:21:41,722 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-29 19:21:44,413 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-29 19:21:46,428 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-29 19:21:49,450 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-29 19:21:52,291 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-29 19:21:55,696 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-29 19:21:58,641 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-29 19:22:03,090 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-29 19:22:06,781 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-29 19:22:10,645 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-29 19:22:15,852 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-29 19:22:23,286 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-29 19:22:25,943 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-29 19:22:31,009 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-29 19:22:36,435 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-29 19:22:39,070 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-29 19:22:42,685 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-29 19:22:46,575 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-29 19:22:48,710 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-29 19:22:52,943 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-29 19:22:57,022 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-29 19:22:59,140 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-29 19:23:01,230 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-29 19:23:04,368 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-29 19:23:08,941 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-29 19:23:12,893 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-29 19:23:18,166 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-29 19:23:22,114 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-29 19:23:26,493 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-29 19:23:26,501 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 220 out of 657 [2023-08-29 19:23:26,504 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 157 places, 567 transitions, 9629 flow. Second operand has 37 states, 37 states have (on average 221.75675675675674) internal successors, (8205), 37 states have internal predecessors, (8205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:23:26,504 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 19:23:26,504 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 220 of 657 [2023-08-29 19:23:26,504 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 19:23:30,853 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-29 19:23:40,038 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-29 19:23:41,739 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-29 19:23:47,023 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-29 19:24:13,284 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-29 19:24:14,856 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-29 19:24:21,083 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-29 19:24:24,378 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-29 19:25:11,339 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-29 19:25:15,144 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-29 19:25:17,249 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-29 19:25:27,870 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-29 19:25:40,253 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-29 19:25:55,075 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-29 19:26:02,838 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-29 19:26:04,103 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-29 19:26:34,867 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 19:26:36,872 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 19:26:39,744 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-29 19:26:41,900 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-29 19:26:43,941 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-29 19:26:56,486 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 19:27:01,760 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 19:27:04,383 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-29 19:27:06,354 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-29 19:27:20,669 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 19:27:22,677 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 19:27:24,683 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 19:27:29,325 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-29 19:27:35,989 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-29 19:27:39,997 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-29 19:27:43,737 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-29 19:27:49,672 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 19:28:08,006 WARN L222 SmtUtils]: Spent 16.10s on a formula simplification. DAG size of input: 93 DAG size of output: 78 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-08-29 19:28:15,129 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-29 19:28:28,498 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-29 19:28:30,602 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 19:28:32,607 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 19:28:38,847 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-29 19:28:40,984 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-29 19:28:47,839 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-08-29 19:28:58,246 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] Killed by 15