/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-VariableLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/parallel-barrier.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-b8dbc81 [2023-01-27 20:52:03,063 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-01-27 20:52:03,065 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-01-27 20:52:03,103 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-01-27 20:52:03,103 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-01-27 20:52:03,105 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-01-27 20:52:03,108 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-01-27 20:52:03,110 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-01-27 20:52:03,111 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-01-27 20:52:03,116 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-01-27 20:52:03,117 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-01-27 20:52:03,118 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-01-27 20:52:03,118 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-01-27 20:52:03,121 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-01-27 20:52:03,121 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-01-27 20:52:03,123 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-01-27 20:52:03,123 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-01-27 20:52:03,124 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-01-27 20:52:03,125 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-01-27 20:52:03,130 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-01-27 20:52:03,131 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-01-27 20:52:03,132 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-01-27 20:52:03,132 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-01-27 20:52:03,133 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-01-27 20:52:03,141 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-01-27 20:52:03,141 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-01-27 20:52:03,141 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-01-27 20:52:03,142 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-01-27 20:52:03,143 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-01-27 20:52:03,143 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-01-27 20:52:03,143 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-01-27 20:52:03,144 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-01-27 20:52:03,145 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-01-27 20:52:03,146 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-01-27 20:52:03,146 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-01-27 20:52:03,146 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-01-27 20:52:03,147 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-01-27 20:52:03,147 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-01-27 20:52:03,147 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-01-27 20:52:03,147 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-01-27 20:52:03,148 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-01-27 20:52:03,149 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-VariableLbe.epf [2023-01-27 20:52:03,175 INFO L113 SettingsManager]: Loading preferences was successful [2023-01-27 20:52:03,176 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-01-27 20:52:03,177 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-01-27 20:52:03,177 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-01-27 20:52:03,177 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-01-27 20:52:03,178 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-01-27 20:52:03,178 INFO L138 SettingsManager]: * Use SBE=true [2023-01-27 20:52:03,178 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-01-27 20:52:03,178 INFO L138 SettingsManager]: * sizeof long=4 [2023-01-27 20:52:03,178 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-01-27 20:52:03,179 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-01-27 20:52:03,179 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-01-27 20:52:03,179 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-01-27 20:52:03,179 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-01-27 20:52:03,179 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-01-27 20:52:03,179 INFO L138 SettingsManager]: * sizeof long double=12 [2023-01-27 20:52:03,179 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-01-27 20:52:03,180 INFO L138 SettingsManager]: * Use constant arrays=true [2023-01-27 20:52:03,180 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-01-27 20:52:03,180 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-01-27 20:52:03,180 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-01-27 20:52:03,180 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-01-27 20:52:03,180 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-01-27 20:52:03,180 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-01-27 20:52:03,181 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-01-27 20:52:03,181 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-01-27 20:52:03,181 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-01-27 20:52:03,181 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-01-27 20:52:03,181 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-01-27 20:52:03,181 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-01-27 20:52:03,181 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-01-27 20:52:03,181 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-01-27 20:52:03,371 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-01-27 20:52:03,390 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-01-27 20:52:03,392 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-01-27 20:52:03,393 INFO L271 PluginConnector]: Initializing CDTParser... [2023-01-27 20:52:03,396 INFO L275 PluginConnector]: CDTParser initialized [2023-01-27 20:52:03,397 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-barrier.wvr.c [2023-01-27 20:52:04,480 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-01-27 20:52:04,652 INFO L351 CDTParser]: Found 1 translation units. [2023-01-27 20:52:04,653 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-barrier.wvr.c [2023-01-27 20:52:04,658 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6aee8006f/7061454f08194e36a1fa3eedd4d9166e/FLAGb3e8de05d [2023-01-27 20:52:04,670 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6aee8006f/7061454f08194e36a1fa3eedd4d9166e [2023-01-27 20:52:04,672 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-01-27 20:52:04,673 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-01-27 20:52:04,675 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-01-27 20:52:04,675 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-01-27 20:52:04,677 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-01-27 20:52:04,678 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.01 08:52:04" (1/1) ... [2023-01-27 20:52:04,678 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b9e362 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 08:52:04, skipping insertion in model container [2023-01-27 20:52:04,679 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.01 08:52:04" (1/1) ... [2023-01-27 20:52:04,684 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-01-27 20:52:04,700 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-01-27 20:52:04,836 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/parallel-barrier.wvr.c[4722,4735] [2023-01-27 20:52:04,840 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-01-27 20:52:04,855 INFO L203 MainTranslator]: Completed pre-run [2023-01-27 20:52:04,896 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/parallel-barrier.wvr.c[4722,4735] [2023-01-27 20:52:04,897 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-01-27 20:52:04,907 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-01-27 20:52:04,908 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-01-27 20:52:04,914 INFO L208 MainTranslator]: Completed translation [2023-01-27 20:52:04,915 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 08:52:04 WrapperNode [2023-01-27 20:52:04,915 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-01-27 20:52:04,916 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-01-27 20:52:04,916 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-01-27 20:52:04,916 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-01-27 20:52:04,922 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 08:52:04" (1/1) ... [2023-01-27 20:52:04,940 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 08:52:04" (1/1) ... [2023-01-27 20:52:04,978 INFO L138 Inliner]: procedures = 25, calls = 98, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 265 [2023-01-27 20:52:04,979 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-01-27 20:52:04,979 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-01-27 20:52:04,979 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-01-27 20:52:04,980 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-01-27 20:52:04,990 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 08:52:04" (1/1) ... [2023-01-27 20:52:04,991 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 08:52:04" (1/1) ... [2023-01-27 20:52:05,001 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 08:52:04" (1/1) ... [2023-01-27 20:52:05,001 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 08:52:04" (1/1) ... [2023-01-27 20:52:05,006 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 08:52:04" (1/1) ... [2023-01-27 20:52:05,008 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 08:52:04" (1/1) ... [2023-01-27 20:52:05,010 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 08:52:04" (1/1) ... [2023-01-27 20:52:05,011 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 08:52:04" (1/1) ... [2023-01-27 20:52:05,013 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-01-27 20:52:05,014 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-01-27 20:52:05,014 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-01-27 20:52:05,014 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-01-27 20:52:05,015 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 08:52:04" (1/1) ... [2023-01-27 20:52:05,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-01-27 20:52:05,031 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-27 20:52:05,050 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) [2023-01-27 20:52:05,072 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 [2023-01-27 20:52:05,087 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-01-27 20:52:05,087 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-01-27 20:52:05,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-01-27 20:52:05,087 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-01-27 20:52:05,087 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-01-27 20:52:05,087 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-01-27 20:52:05,087 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-01-27 20:52:05,087 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-01-27 20:52:05,088 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-01-27 20:52:05,088 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-01-27 20:52:05,088 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-01-27 20:52:05,089 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-01-27 20:52:05,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-01-27 20:52:05,089 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2023-01-27 20:52:05,089 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2023-01-27 20:52:05,089 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2023-01-27 20:52:05,089 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2023-01-27 20:52:05,089 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-01-27 20:52:05,089 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-01-27 20:52:05,090 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-01-27 20:52:05,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-01-27 20:52:05,090 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-01-27 20:52:05,091 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-01-27 20:52:05,201 INFO L236 CfgBuilder]: Building ICFG [2023-01-27 20:52:05,203 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-01-27 20:52:05,587 INFO L277 CfgBuilder]: Performing block encoding [2023-01-27 20:52:05,648 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-01-27 20:52:05,648 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-01-27 20:52:05,650 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.01 08:52:05 BoogieIcfgContainer [2023-01-27 20:52:05,650 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-01-27 20:52:05,652 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-01-27 20:52:05,652 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-01-27 20:52:05,654 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-01-27 20:52:05,654 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.01 08:52:04" (1/3) ... [2023-01-27 20:52:05,655 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2eecd314 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.01 08:52:05, skipping insertion in model container [2023-01-27 20:52:05,655 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 08:52:04" (2/3) ... [2023-01-27 20:52:05,655 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2eecd314 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.01 08:52:05, skipping insertion in model container [2023-01-27 20:52:05,655 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.01 08:52:05" (3/3) ... [2023-01-27 20:52:05,656 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-barrier.wvr.c [2023-01-27 20:52:05,671 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-01-27 20:52:05,671 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-01-27 20:52:05,671 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-01-27 20:52:05,805 INFO L144 ThreadInstanceAdder]: Constructed 18 joinOtherThreadTransitions. [2023-01-27 20:52:05,848 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 247 places, 236 transitions, 544 flow [2023-01-27 20:52:05,967 INFO L130 PetriNetUnfolder]: 8/208 cut-off events. [2023-01-27 20:52:05,968 INFO L131 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2023-01-27 20:52:05,975 INFO L83 FinitePrefix]: Finished finitePrefix Result has 237 conditions, 208 events. 8/208 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 231 event pairs, 0 based on Foata normal form. 0/199 useless extension candidates. Maximal degree in co-relation 180. Up to 3 conditions per place. [2023-01-27 20:52:05,975 INFO L82 GeneralOperation]: Start removeDead. Operand has 247 places, 236 transitions, 544 flow [2023-01-27 20:52:05,984 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 211 places, 200 transitions, 448 flow [2023-01-27 20:52:05,988 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-01-27 20:52:06,009 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 211 places, 200 transitions, 448 flow [2023-01-27 20:52:06,011 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 211 places, 200 transitions, 448 flow [2023-01-27 20:52:06,012 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 211 places, 200 transitions, 448 flow [2023-01-27 20:52:06,078 INFO L130 PetriNetUnfolder]: 8/200 cut-off events. [2023-01-27 20:52:06,078 INFO L131 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2023-01-27 20:52:06,083 INFO L83 FinitePrefix]: Finished finitePrefix Result has 229 conditions, 200 events. 8/200 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 230 event pairs, 0 based on Foata normal form. 0/192 useless extension candidates. Maximal degree in co-relation 180. Up to 3 conditions per place. [2023-01-27 20:52:06,088 INFO L119 LiptonReduction]: Number of co-enabled transitions 7268 [2023-01-27 20:52:10,187 INFO L134 LiptonReduction]: Checked pairs total: 54922 [2023-01-27 20:52:10,187 INFO L136 LiptonReduction]: Total number of compositions: 142 [2023-01-27 20:52:10,199 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-01-27 20:52:10,205 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=false, 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;@4131797a, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-01-27 20:52:10,205 INFO L358 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2023-01-27 20:52:10,219 INFO L130 PetriNetUnfolder]: 6/77 cut-off events. [2023-01-27 20:52:10,220 INFO L131 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2023-01-27 20:52:10,220 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-27 20:52:10,221 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-27 20:52:10,221 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err9INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2023-01-27 20:52:10,225 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-27 20:52:10,225 INFO L85 PathProgramCache]: Analyzing trace with hash -800234902, now seen corresponding path program 1 times [2023-01-27 20:52:10,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-27 20:52:10,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2132484756] [2023-01-27 20:52:10,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-27 20:52:10,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-27 20:52:10,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-27 20:52:10,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-27 20:52:10,465 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-27 20:52:10,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2132484756] [2023-01-27 20:52:10,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2132484756] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-27 20:52:10,466 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-27 20:52:10,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-01-27 20:52:10,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537585850] [2023-01-27 20:52:10,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-27 20:52:10,475 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-01-27 20:52:10,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-27 20:52:10,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-01-27 20:52:10,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-01-27 20:52:10,504 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 207 out of 382 [2023-01-27 20:52:10,508 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 78 transitions, 204 flow. Second operand has 2 states, 2 states have (on average 225.5) internal successors, (451), 2 states have internal predecessors, (451), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-27 20:52:10,508 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-27 20:52:10,508 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 207 of 382 [2023-01-27 20:52:10,509 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-27 20:52:11,818 INFO L130 PetriNetUnfolder]: 6800/10951 cut-off events. [2023-01-27 20:52:11,818 INFO L131 PetriNetUnfolder]: For 1693/1693 co-relation queries the response was YES. [2023-01-27 20:52:11,839 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22350 conditions, 10951 events. 6800/10951 cut-off events. For 1693/1693 co-relation queries the response was YES. Maximal size of possible extension queue 351. Compared 75337 event pairs, 6256 based on Foata normal form. 68/9617 useless extension candidates. Maximal degree in co-relation 21902. Up to 9114 conditions per place. [2023-01-27 20:52:11,896 INFO L137 encePairwiseOnDemand]: 380/382 looper letters, 40 selfloop transitions, 0 changer transitions 1/76 dead transitions. [2023-01-27 20:52:11,897 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 92 places, 76 transitions, 282 flow [2023-01-27 20:52:11,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-27 20:52:11,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-01-27 20:52:11,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 457 transitions. [2023-01-27 20:52:11,915 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5981675392670157 [2023-01-27 20:52:11,916 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 457 transitions. [2023-01-27 20:52:11,917 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 457 transitions. [2023-01-27 20:52:11,920 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-27 20:52:11,922 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 457 transitions. [2023-01-27 20:52:11,926 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 228.5) internal successors, (457), 2 states have internal predecessors, (457), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-27 20:52:11,931 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 382.0) internal successors, (1146), 3 states have internal predecessors, (1146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-27 20:52:11,932 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 382.0) internal successors, (1146), 3 states have internal predecessors, (1146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-27 20:52:11,934 INFO L175 Difference]: Start difference. First operand has 91 places, 78 transitions, 204 flow. Second operand 2 states and 457 transitions. [2023-01-27 20:52:11,934 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 92 places, 76 transitions, 282 flow [2023-01-27 20:52:12,000 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 76 transitions, 250 flow, removed 0 selfloop flow, removed 12 redundant places. [2023-01-27 20:52:12,002 INFO L231 Difference]: Finished difference. Result has 80 places, 75 transitions, 166 flow [2023-01-27 20:52:12,003 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=382, PETRI_DIFFERENCE_MINUEND_FLOW=168, PETRI_DIFFERENCE_MINUEND_PLACES=79, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=76, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=76, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=166, PETRI_PLACES=80, PETRI_TRANSITIONS=75} [2023-01-27 20:52:12,009 INFO L281 CegarLoopForPetriNet]: 91 programPoint places, -11 predicate places. [2023-01-27 20:52:12,010 INFO L495 AbstractCegarLoop]: Abstraction has has 80 places, 75 transitions, 166 flow [2023-01-27 20:52:12,010 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 225.5) internal successors, (451), 2 states have internal predecessors, (451), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-27 20:52:12,010 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-27 20:52:12,010 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-27 20:52:12,011 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-01-27 20:52:12,011 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err9INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2023-01-27 20:52:12,020 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-27 20:52:12,020 INFO L85 PathProgramCache]: Analyzing trace with hash 415429005, now seen corresponding path program 1 times [2023-01-27 20:52:12,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-27 20:52:12,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1242582231] [2023-01-27 20:52:12,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-27 20:52:12,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-27 20:52:12,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-27 20:52:12,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-27 20:52:12,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-27 20:52:12,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1242582231] [2023-01-27 20:52:12,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1242582231] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-27 20:52:12,552 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-27 20:52:12,552 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-01-27 20:52:12,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1265023396] [2023-01-27 20:52:12,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-27 20:52:12,554 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-01-27 20:52:12,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-27 20:52:12,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-01-27 20:52:12,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-01-27 20:52:12,557 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 202 out of 382 [2023-01-27 20:52:12,558 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 80 places, 75 transitions, 166 flow. Second operand has 4 states, 4 states have (on average 211.25) internal successors, (845), 4 states have internal predecessors, (845), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-27 20:52:12,558 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-27 20:52:12,558 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 202 of 382 [2023-01-27 20:52:12,558 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-27 20:52:13,459 INFO L130 PetriNetUnfolder]: 6155/10159 cut-off events. [2023-01-27 20:52:13,459 INFO L131 PetriNetUnfolder]: For 451/451 co-relation queries the response was YES. [2023-01-27 20:52:13,479 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18851 conditions, 10159 events. 6155/10159 cut-off events. For 451/451 co-relation queries the response was YES. Maximal size of possible extension queue 336. Compared 69474 event pairs, 4201 based on Foata normal form. 198/9491 useless extension candidates. Maximal degree in co-relation 18848. Up to 6985 conditions per place. [2023-01-27 20:52:13,523 INFO L137 encePairwiseOnDemand]: 378/382 looper letters, 75 selfloop transitions, 3 changer transitions 0/112 dead transitions. [2023-01-27 20:52:13,523 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 112 transitions, 410 flow [2023-01-27 20:52:13,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-01-27 20:52:13,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-01-27 20:52:13,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 887 transitions. [2023-01-27 20:52:13,526 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5804973821989529 [2023-01-27 20:52:13,526 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 887 transitions. [2023-01-27 20:52:13,526 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 887 transitions. [2023-01-27 20:52:13,527 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-27 20:52:13,527 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 887 transitions. [2023-01-27 20:52:13,529 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 221.75) internal successors, (887), 4 states have internal predecessors, (887), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-27 20:52:13,533 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 382.0) internal successors, (1910), 5 states have internal predecessors, (1910), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-27 20:52:13,534 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 382.0) internal successors, (1910), 5 states have internal predecessors, (1910), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-27 20:52:13,535 INFO L175 Difference]: Start difference. First operand has 80 places, 75 transitions, 166 flow. Second operand 4 states and 887 transitions. [2023-01-27 20:52:13,535 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 112 transitions, 410 flow [2023-01-27 20:52:13,536 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 112 transitions, 410 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-01-27 20:52:13,539 INFO L231 Difference]: Finished difference. Result has 83 places, 75 transitions, 176 flow [2023-01-27 20:52:13,539 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=382, PETRI_DIFFERENCE_MINUEND_FLOW=166, PETRI_DIFFERENCE_MINUEND_PLACES=79, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=75, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=72, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=176, PETRI_PLACES=83, PETRI_TRANSITIONS=75} [2023-01-27 20:52:13,540 INFO L281 CegarLoopForPetriNet]: 91 programPoint places, -8 predicate places. [2023-01-27 20:52:13,540 INFO L495 AbstractCegarLoop]: Abstraction has has 83 places, 75 transitions, 176 flow [2023-01-27 20:52:13,541 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 211.25) internal successors, (845), 4 states have internal predecessors, (845), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-27 20:52:13,541 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-27 20:52:13,541 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-27 20:52:13,541 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-01-27 20:52:13,542 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err9INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2023-01-27 20:52:13,544 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-27 20:52:13,544 INFO L85 PathProgramCache]: Analyzing trace with hash 1295147923, now seen corresponding path program 2 times [2023-01-27 20:52:13,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-27 20:52:13,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [205688778] [2023-01-27 20:52:13,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-27 20:52:13,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-27 20:52:13,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-27 20:52:14,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-27 20:52:14,834 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-27 20:52:14,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [205688778] [2023-01-27 20:52:14,834 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [205688778] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-27 20:52:14,834 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-27 20:52:14,834 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2023-01-27 20:52:14,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101718758] [2023-01-27 20:52:14,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-27 20:52:14,835 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-01-27 20:52:14,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-27 20:52:14,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-01-27 20:52:14,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=238, Unknown=0, NotChecked=0, Total=272 [2023-01-27 20:52:14,840 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 382 [2023-01-27 20:52:14,843 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 75 transitions, 176 flow. Second operand has 17 states, 17 states have (on average 174.8235294117647) internal successors, (2972), 17 states have internal predecessors, (2972), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-27 20:52:14,844 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-27 20:52:14,844 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 382 [2023-01-27 20:52:14,844 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-27 20:52:23,801 INFO L130 PetriNetUnfolder]: 78245/106344 cut-off events. [2023-01-27 20:52:23,802 INFO L131 PetriNetUnfolder]: For 5814/5814 co-relation queries the response was YES. [2023-01-27 20:52:24,012 INFO L83 FinitePrefix]: Finished finitePrefix Result has 214348 conditions, 106344 events. 78245/106344 cut-off events. For 5814/5814 co-relation queries the response was YES. Maximal size of possible extension queue 2348. Compared 653349 event pairs, 15503 based on Foata normal form. 1/102862 useless extension candidates. Maximal degree in co-relation 214343. Up to 68181 conditions per place. [2023-01-27 20:52:24,420 INFO L137 encePairwiseOnDemand]: 364/382 looper letters, 469 selfloop transitions, 129 changer transitions 29/650 dead transitions. [2023-01-27 20:52:24,421 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 117 places, 650 transitions, 2795 flow [2023-01-27 20:52:24,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-01-27 20:52:24,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2023-01-27 20:52:24,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 6648 transitions. [2023-01-27 20:52:24,435 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.49723261032161553 [2023-01-27 20:52:24,435 INFO L72 ComplementDD]: Start complementDD. Operand 35 states and 6648 transitions. [2023-01-27 20:52:24,435 INFO L73 IsDeterministic]: Start isDeterministic. Operand 35 states and 6648 transitions. [2023-01-27 20:52:24,438 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-27 20:52:24,438 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 35 states and 6648 transitions. [2023-01-27 20:52:24,452 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 36 states, 35 states have (on average 189.94285714285715) internal successors, (6648), 35 states have internal predecessors, (6648), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-27 20:52:24,474 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 36 states, 36 states have (on average 382.0) internal successors, (13752), 36 states have internal predecessors, (13752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-27 20:52:24,478 INFO L81 ComplementDD]: Finished complementDD. Result has 36 states, 36 states have (on average 382.0) internal successors, (13752), 36 states have internal predecessors, (13752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-27 20:52:24,479 INFO L175 Difference]: Start difference. First operand has 83 places, 75 transitions, 176 flow. Second operand 35 states and 6648 transitions. [2023-01-27 20:52:24,479 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 117 places, 650 transitions, 2795 flow [2023-01-27 20:52:24,641 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 114 places, 650 transitions, 2733 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-01-27 20:52:24,646 INFO L231 Difference]: Finished difference. Result has 132 places, 214 transitions, 895 flow [2023-01-27 20:52:24,646 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=382, PETRI_DIFFERENCE_MINUEND_FLOW=170, PETRI_DIFFERENCE_MINUEND_PLACES=80, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=75, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=58, PETRI_DIFFERENCE_SUBTRAHEND_STATES=35, PETRI_FLOW=895, PETRI_PLACES=132, PETRI_TRANSITIONS=214} [2023-01-27 20:52:24,647 INFO L281 CegarLoopForPetriNet]: 91 programPoint places, 41 predicate places. [2023-01-27 20:52:24,647 INFO L495 AbstractCegarLoop]: Abstraction has has 132 places, 214 transitions, 895 flow [2023-01-27 20:52:24,648 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 174.8235294117647) internal successors, (2972), 17 states have internal predecessors, (2972), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-27 20:52:24,649 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-27 20:52:24,649 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-27 20:52:24,649 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-01-27 20:52:24,649 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err9INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2023-01-27 20:52:24,650 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-27 20:52:24,650 INFO L85 PathProgramCache]: Analyzing trace with hash 1874849889, now seen corresponding path program 3 times [2023-01-27 20:52:24,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-27 20:52:24,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421152923] [2023-01-27 20:52:24,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-27 20:52:24,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-27 20:52:24,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-27 20:52:25,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-27 20:52:25,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-27 20:52:25,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421152923] [2023-01-27 20:52:25,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [421152923] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-27 20:52:25,081 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-27 20:52:25,081 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-01-27 20:52:25,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511907960] [2023-01-27 20:52:25,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-27 20:52:25,082 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-01-27 20:52:25,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-27 20:52:25,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-01-27 20:52:25,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-01-27 20:52:25,085 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 203 out of 382 [2023-01-27 20:52:25,086 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 132 places, 214 transitions, 895 flow. Second operand has 3 states, 3 states have (on average 215.33333333333334) internal successors, (646), 3 states have internal predecessors, (646), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-27 20:52:25,086 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-27 20:52:25,086 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 203 of 382 [2023-01-27 20:52:25,086 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-27 20:52:27,571 INFO L130 PetriNetUnfolder]: 17697/28148 cut-off events. [2023-01-27 20:52:27,571 INFO L131 PetriNetUnfolder]: For 10480/11072 co-relation queries the response was YES. [2023-01-27 20:52:27,673 INFO L83 FinitePrefix]: Finished finitePrefix Result has 65263 conditions, 28148 events. 17697/28148 cut-off events. For 10480/11072 co-relation queries the response was YES. Maximal size of possible extension queue 997. Compared 207603 event pairs, 11035 based on Foata normal form. 589/25361 useless extension candidates. Maximal degree in co-relation 65240. Up to 18616 conditions per place. [2023-01-27 20:52:27,776 INFO L137 encePairwiseOnDemand]: 379/382 looper letters, 84 selfloop transitions, 2 changer transitions 0/164 dead transitions. [2023-01-27 20:52:27,777 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 117 places, 164 transitions, 791 flow [2023-01-27 20:52:27,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-01-27 20:52:27,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-01-27 20:52:27,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 671 transitions. [2023-01-27 20:52:27,783 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5855148342059336 [2023-01-27 20:52:27,783 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 671 transitions. [2023-01-27 20:52:27,783 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 671 transitions. [2023-01-27 20:52:27,784 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-27 20:52:27,784 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 671 transitions. [2023-01-27 20:52:27,785 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 223.66666666666666) internal successors, (671), 3 states have internal predecessors, (671), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-27 20:52:27,786 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 382.0) internal successors, (1528), 4 states have internal predecessors, (1528), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-27 20:52:27,787 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 382.0) internal successors, (1528), 4 states have internal predecessors, (1528), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-27 20:52:27,787 INFO L175 Difference]: Start difference. First operand has 132 places, 214 transitions, 895 flow. Second operand 3 states and 671 transitions. [2023-01-27 20:52:27,787 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 117 places, 164 transitions, 791 flow [2023-01-27 20:52:28,007 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 106 places, 164 transitions, 745 flow, removed 12 selfloop flow, removed 11 redundant places. [2023-01-27 20:52:28,010 INFO L231 Difference]: Finished difference. Result has 107 places, 140 transitions, 511 flow [2023-01-27 20:52:28,011 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=382, PETRI_DIFFERENCE_MINUEND_FLOW=503, PETRI_DIFFERENCE_MINUEND_PLACES=104, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=140, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=138, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=511, PETRI_PLACES=107, PETRI_TRANSITIONS=140} [2023-01-27 20:52:28,011 INFO L281 CegarLoopForPetriNet]: 91 programPoint places, 16 predicate places. [2023-01-27 20:52:28,011 INFO L495 AbstractCegarLoop]: Abstraction has has 107 places, 140 transitions, 511 flow [2023-01-27 20:52:28,012 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 215.33333333333334) internal successors, (646), 3 states have internal predecessors, (646), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-27 20:52:28,012 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-27 20:52:28,012 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-27 20:52:28,012 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-01-27 20:52:28,012 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err9INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2023-01-27 20:52:28,012 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-27 20:52:28,013 INFO L85 PathProgramCache]: Analyzing trace with hash 889750141, now seen corresponding path program 4 times [2023-01-27 20:52:28,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-27 20:52:28,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610655283] [2023-01-27 20:52:28,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-27 20:52:28,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-27 20:52:28,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-27 20:52:29,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-27 20:52:29,059 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-27 20:52:29,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [610655283] [2023-01-27 20:52:29,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [610655283] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-27 20:52:29,060 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-27 20:52:29,060 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2023-01-27 20:52:29,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2006212186] [2023-01-27 20:52:29,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-27 20:52:29,061 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-01-27 20:52:29,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-27 20:52:29,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-01-27 20:52:29,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=339, Unknown=0, NotChecked=0, Total=380 [2023-01-27 20:52:29,064 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 382 [2023-01-27 20:52:29,066 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 107 places, 140 transitions, 511 flow. Second operand has 20 states, 20 states have (on average 174.4) internal successors, (3488), 20 states have internal predecessors, (3488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-27 20:52:29,067 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-27 20:52:29,067 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 382 [2023-01-27 20:52:29,067 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-27 20:52:40,022 INFO L130 PetriNetUnfolder]: 66042/90270 cut-off events. [2023-01-27 20:52:40,023 INFO L131 PetriNetUnfolder]: For 31455/31461 co-relation queries the response was YES. [2023-01-27 20:52:40,303 INFO L83 FinitePrefix]: Finished finitePrefix Result has 221970 conditions, 90270 events. 66042/90270 cut-off events. For 31455/31461 co-relation queries the response was YES. Maximal size of possible extension queue 1578. Compared 539541 event pairs, 10178 based on Foata normal form. 7/86849 useless extension candidates. Maximal degree in co-relation 221956. Up to 60083 conditions per place. [2023-01-27 20:52:40,572 INFO L137 encePairwiseOnDemand]: 363/382 looper letters, 664 selfloop transitions, 224 changer transitions 25/936 dead transitions. [2023-01-27 20:52:40,572 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 172 places, 936 transitions, 4660 flow [2023-01-27 20:52:40,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2023-01-27 20:52:40,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2023-01-27 20:52:40,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 12230 transitions. [2023-01-27 20:52:40,596 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.48508646676185946 [2023-01-27 20:52:40,597 INFO L72 ComplementDD]: Start complementDD. Operand 66 states and 12230 transitions. [2023-01-27 20:52:40,597 INFO L73 IsDeterministic]: Start isDeterministic. Operand 66 states and 12230 transitions. [2023-01-27 20:52:40,602 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-27 20:52:40,602 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 66 states and 12230 transitions. [2023-01-27 20:52:40,623 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 67 states, 66 states have (on average 185.3030303030303) internal successors, (12230), 66 states have internal predecessors, (12230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-27 20:52:40,654 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 67 states, 67 states have (on average 382.0) internal successors, (25594), 67 states have internal predecessors, (25594), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-27 20:52:40,661 INFO L81 ComplementDD]: Finished complementDD. Result has 67 states, 67 states have (on average 382.0) internal successors, (25594), 67 states have internal predecessors, (25594), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-27 20:52:40,661 INFO L175 Difference]: Start difference. First operand has 107 places, 140 transitions, 511 flow. Second operand 66 states and 12230 transitions. [2023-01-27 20:52:40,661 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 172 places, 936 transitions, 4660 flow [2023-01-27 20:52:40,779 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 170 places, 936 transitions, 4654 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-01-27 20:52:40,786 INFO L231 Difference]: Finished difference. Result has 181 places, 349 transitions, 1931 flow [2023-01-27 20:52:40,786 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=382, PETRI_DIFFERENCE_MINUEND_FLOW=507, PETRI_DIFFERENCE_MINUEND_PLACES=105, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=140, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=45, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=66, PETRI_FLOW=1931, PETRI_PLACES=181, PETRI_TRANSITIONS=349} [2023-01-27 20:52:40,787 INFO L281 CegarLoopForPetriNet]: 91 programPoint places, 90 predicate places. [2023-01-27 20:52:40,787 INFO L495 AbstractCegarLoop]: Abstraction has has 181 places, 349 transitions, 1931 flow [2023-01-27 20:52:40,788 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 174.4) internal successors, (3488), 20 states have internal predecessors, (3488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-27 20:52:40,788 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-27 20:52:40,789 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-27 20:52:40,789 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-01-27 20:52:40,789 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err9INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2023-01-27 20:52:40,789 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-27 20:52:40,789 INFO L85 PathProgramCache]: Analyzing trace with hash 909847024, now seen corresponding path program 1 times [2023-01-27 20:52:40,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-27 20:52:40,790 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971991367] [2023-01-27 20:52:40,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-27 20:52:40,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-27 20:52:40,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-27 20:52:41,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-27 20:52:41,734 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-27 20:52:41,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [971991367] [2023-01-27 20:52:41,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [971991367] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-27 20:52:41,735 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-27 20:52:41,735 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2023-01-27 20:52:41,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1085027731] [2023-01-27 20:52:41,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-27 20:52:41,736 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-01-27 20:52:41,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-27 20:52:41,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-01-27 20:52:41,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=305, Unknown=0, NotChecked=0, Total=342 [2023-01-27 20:52:41,739 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 382 [2023-01-27 20:52:41,741 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 181 places, 349 transitions, 1931 flow. Second operand has 19 states, 19 states have (on average 174.52631578947367) internal successors, (3316), 19 states have internal predecessors, (3316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-27 20:52:41,741 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-27 20:52:41,741 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 382 [2023-01-27 20:52:41,741 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-27 20:52:52,170 INFO L130 PetriNetUnfolder]: 75226/102789 cut-off events. [2023-01-27 20:52:52,170 INFO L131 PetriNetUnfolder]: For 129882/129894 co-relation queries the response was YES. [2023-01-27 20:52:52,663 INFO L83 FinitePrefix]: Finished finitePrefix Result has 308413 conditions, 102789 events. 75226/102789 cut-off events. For 129882/129894 co-relation queries the response was YES. Maximal size of possible extension queue 1783. Compared 627679 event pairs, 21365 based on Foata normal form. 1/99006 useless extension candidates. Maximal degree in co-relation 308388. Up to 84044 conditions per place. [2023-01-27 20:52:53,054 INFO L137 encePairwiseOnDemand]: 364/382 looper letters, 604 selfloop transitions, 146 changer transitions 44/817 dead transitions. [2023-01-27 20:52:53,054 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 215 places, 817 transitions, 5401 flow [2023-01-27 20:52:53,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-01-27 20:52:53,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2023-01-27 20:52:53,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 6663 transitions. [2023-01-27 20:52:53,237 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.48451134380453753 [2023-01-27 20:52:53,238 INFO L72 ComplementDD]: Start complementDD. Operand 36 states and 6663 transitions. [2023-01-27 20:52:53,238 INFO L73 IsDeterministic]: Start isDeterministic. Operand 36 states and 6663 transitions. [2023-01-27 20:52:53,241 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-27 20:52:53,241 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 36 states and 6663 transitions. [2023-01-27 20:52:53,250 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 37 states, 36 states have (on average 185.08333333333334) internal successors, (6663), 36 states have internal predecessors, (6663), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-27 20:52:53,263 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 37 states, 37 states have (on average 382.0) internal successors, (14134), 37 states have internal predecessors, (14134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-27 20:52:53,266 INFO L81 ComplementDD]: Finished complementDD. Result has 37 states, 37 states have (on average 382.0) internal successors, (14134), 37 states have internal predecessors, (14134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-27 20:52:53,266 INFO L175 Difference]: Start difference. First operand has 181 places, 349 transitions, 1931 flow. Second operand 36 states and 6663 transitions. [2023-01-27 20:52:53,266 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 215 places, 817 transitions, 5401 flow [2023-01-27 20:52:54,561 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 207 places, 817 transitions, 4941 flow, removed 175 selfloop flow, removed 8 redundant places. [2023-01-27 20:52:54,568 INFO L231 Difference]: Finished difference. Result has 225 places, 486 transitions, 2943 flow [2023-01-27 20:52:54,569 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=382, PETRI_DIFFERENCE_MINUEND_FLOW=1538, PETRI_DIFFERENCE_MINUEND_PLACES=172, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=349, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=25, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=275, PETRI_DIFFERENCE_SUBTRAHEND_STATES=36, PETRI_FLOW=2943, PETRI_PLACES=225, PETRI_TRANSITIONS=486} [2023-01-27 20:52:54,569 INFO L281 CegarLoopForPetriNet]: 91 programPoint places, 134 predicate places. [2023-01-27 20:52:54,570 INFO L495 AbstractCegarLoop]: Abstraction has has 225 places, 486 transitions, 2943 flow [2023-01-27 20:52:54,570 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 174.52631578947367) internal successors, (3316), 19 states have internal predecessors, (3316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-27 20:52:54,570 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-27 20:52:54,571 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-27 20:52:54,571 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-01-27 20:52:54,571 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err9INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2023-01-27 20:52:54,571 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-27 20:52:54,571 INFO L85 PathProgramCache]: Analyzing trace with hash -1384318865, now seen corresponding path program 5 times [2023-01-27 20:52:54,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-27 20:52:54,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892771798] [2023-01-27 20:52:54,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-27 20:52:54,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-27 20:52:54,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-27 20:52:54,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-27 20:52:54,754 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-27 20:52:54,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [892771798] [2023-01-27 20:52:54,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [892771798] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-27 20:52:54,754 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-27 20:52:54,754 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-01-27 20:52:54,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268389576] [2023-01-27 20:52:54,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-27 20:52:54,755 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-01-27 20:52:54,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-27 20:52:54,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-01-27 20:52:54,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-01-27 20:52:54,757 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 202 out of 382 [2023-01-27 20:52:54,757 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 225 places, 486 transitions, 2943 flow. Second operand has 4 states, 4 states have (on average 211.25) internal successors, (845), 4 states have internal predecessors, (845), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-27 20:52:54,757 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-27 20:52:54,757 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 202 of 382 [2023-01-27 20:52:54,757 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-27 20:52:57,387 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([725] L63-->thread2EXIT: Formula: (and (= |v_thread2Thread1of1ForFork5_#res#1.offset_9| 0) (= |v_thread2Thread1of1ForFork5_#res#1.base_9| 0) (= (+ v_~temp_4~0_15 1) v_~y_1~0_26)) InVars {~temp_4~0=v_~temp_4~0_15} OutVars{~temp_4~0=v_~temp_4~0_15, thread2Thread1of1ForFork5_#res#1.offset=|v_thread2Thread1of1ForFork5_#res#1.offset_9|, ~y_1~0=v_~y_1~0_26, thread2Thread1of1ForFork5_#res#1.base=|v_thread2Thread1of1ForFork5_#res#1.base_9|} AuxVars[] AssignedVars[thread2Thread1of1ForFork5_#res#1.offset, ~y_1~0, thread2Thread1of1ForFork5_#res#1.base][145], [Black: 504#(and (= ~y_7~0 0) (<= (+ ~temp_10~0 1) ~x_0~0) (<= ~x_0~0 (+ ~temp_10~0 1)) (= ~temp_5~0 0)), Black: 511#(and (<= ~x_0~0 (+ ~temp_10~0 2)) (<= ~y_1~0 (+ ~y_7~0 1)) (<= (+ ~y_7~0 1) ~y_1~0) (<= (+ ~temp_10~0 2) ~x_0~0)), Black: 540#(and (<= ~x_0~0 (+ ~temp_10~0 2)) (= ~y_7~0 0) (<= (+ ~temp_10~0 2) ~x_0~0) (<= 1 ~y_1~0) (<= (+ ~temp_10~0 1) ~temp_5~0) (<= ~y_1~0 1) (<= ~temp_5~0 (+ ~temp_10~0 1))), Black: 508#(and (<= ~x_0~0 (+ ~temp_10~0 2)) (<= (+ ~temp_10~0 2) ~x_0~0) (<= 1 ~y_1~0) (= ~temp_11~0 0) (<= ~y_1~0 1)), Black: 542#(and (<= ~x_0~0 (+ ~temp_10~0 2)) (= ~y_7~0 0) (<= (+ ~temp_10~0 2) ~x_0~0) (<= 1 ~y_1~0) (<= (+ ~x_6~0 1) ~x_0~0) (<= (+ ~temp_10~0 1) ~temp_5~0) (<= ~x_0~0 (+ ~x_6~0 1)) (<= ~y_1~0 1) (<= ~temp_5~0 (+ ~temp_10~0 1))), Black: 536#(and (= ~y_7~0 0) (<= 1 ~y_1~0) (<= (+ ~temp_10~0 1) ~temp_5~0) (<= (+ ~temp_10~0 1) ~x_0~0) (<= ~y_1~0 1) (<= ~x_0~0 (+ ~temp_10~0 1)) (<= ~temp_5~0 (+ ~temp_10~0 1))), Black: 526#(and (= ~y_1~0 0) (= ~x_0~0 ~x_6~0) (= ~y_7~0 0) (<= (+ ~temp_10~0 1) ~x_0~0) (<= ~temp_10~0 ~temp_4~0) (<= ~x_0~0 (+ ~temp_10~0 1)) (<= ~temp_4~0 ~temp_10~0)), Black: 556#(and (<= ~x_0~0 (+ ~temp_10~0 2)) (<= ~y_1~0 (+ ~y_7~0 1)) (<= 2 ~y_1~0) (<= ~y_1~0 2) (<= (+ ~y_7~0 1) ~y_1~0) (<= (+ ~temp_10~0 2) ~x_0~0) (= ~temp_11~0 0) (<= ~temp_4~0 1) (<= 1 ~temp_4~0)), Black: 534#(and (< ~x_6~0 (+ ~x_0~0 1)) (= ~y_7~0 0) (<= ~x_0~0 ~x_6~0) (<= 1 ~y_1~0) (<= (+ ~temp_10~0 1) ~x_0~0) (<= ~y_1~0 1) (<= ~x_0~0 (+ ~temp_10~0 1)) (= ~temp_5~0 0)), Black: 500#(and (= ~y_1~0 0) (= ~x_0~0 ~x_6~0) (= ~y_7~0 0)), 259#true, Black: 544#(and (<= ~x_0~0 (+ ~temp_10~0 2)) (= ~y_7~0 0) (<= (+ ~temp_10~0 2) ~x_0~0) (<= 1 ~y_1~0) (= ~temp_11~0 0) (<= (+ ~temp_10~0 1) ~temp_5~0) (<= ~y_1~0 1) (<= ~temp_5~0 (+ ~temp_10~0 1))), Black: 528#(and (= ~y_1~0 0) (= ~y_7~0 0) (<= (+ ~temp_10~0 1) ~x_0~0) (<= ~temp_10~0 ~temp_4~0) (<= ~x_0~0 (+ ~temp_10~0 1)) (= ~temp_5~0 0) (<= ~temp_4~0 ~temp_10~0)), 498#true, 595#(= ~f1_8~0 (* 256 (div ~f1_8~0 256))), Black: 546#(and (<= ~x_0~0 (+ ~temp_10~0 2)) (= ~y_7~0 0) (<= (+ ~temp_10~0 2) ~x_0~0) (<= 1 ~y_1~0) (<= (+ ~x_6~0 1) ~x_0~0) (= ~temp_11~0 0) (<= (+ ~temp_10~0 1) ~temp_5~0) (<= ~x_0~0 (+ ~x_6~0 1)) (<= ~y_1~0 1) (<= ~temp_5~0 (+ ~temp_10~0 1))), Black: 518#(and (= ~y_1~0 0) (= ~x_0~0 ~x_6~0) (= ~y_7~0 0) (= ~temp_10~0 ~x_0~0)), Black: 532#(and (= ~y_7~0 0) (<= 1 ~y_1~0) (<= (+ ~temp_10~0 1) ~x_0~0) (<= ~y_1~0 1) (<= ~x_0~0 (+ ~temp_10~0 1)) (= ~temp_5~0 0)), Black: 295#(and (<= ~x_0~0 (+ ~x_6~0 2)) (<= ~y_1~0 (+ ~y_7~0 1)) (<= (+ ~y_7~0 1) ~y_1~0) (<= (+ ~x_6~0 2) ~x_0~0) (<= ~temp_5~0 (+ ~x_6~0 1)) (<= (+ ~x_6~0 1) ~temp_5~0)), 94#L140true, Black: 524#(and (= ~y_1~0 0) (= ~y_7~0 0) (<= (+ ~temp_10~0 1) ~x_0~0) (<= ~temp_10~0 ~temp_4~0) (<= ~x_0~0 (+ ~temp_10~0 1)) (<= ~temp_4~0 ~temp_10~0)), 69#L166-1true, Black: 277#(and (= ~y_1~0 0) (= ~x_0~0 ~x_6~0) (= ~y_7~0 0) (<= ~x_6~0 ~temp_4~0) (<= ~temp_4~0 ~x_6~0)), Black: 301#(and (<= ~y_7~0 ~y_1~0) (<= 1 ~y_1~0) (<= (+ ~x_6~0 1) ~x_0~0) (= ~temp_11~0 0) (<= ~x_0~0 (+ ~x_6~0 1)) (<= ~y_1~0 ~y_7~0) (<= ~y_1~0 1)), 250#true, Black: 279#(and (= ~y_1~0 0) (= ~y_7~0 0) (<= (+ ~x_6~0 1) ~x_0~0) (<= ~x_0~0 (+ ~x_6~0 1)) (<= ~x_6~0 ~temp_4~0) (<= ~temp_4~0 ~x_6~0)), Black: 293#(and (= ~y_7~0 0) (<= 1 ~y_1~0) (<= (+ ~x_6~0 1) ~x_0~0) (<= ~x_0~0 (+ ~x_6~0 1)) (<= ~y_1~0 1) (<= ~temp_5~0 (+ ~x_6~0 1)) (<= (+ ~x_6~0 1) ~temp_5~0)), 356#true, Black: 261#(and (= ~y_1~0 0) (= ~x_0~0 ~x_6~0) (= ~y_7~0 0)), 188#thread2EXITtrue, Black: 287#(and (= ~y_7~0 0) (<= 1 ~y_1~0) (<= (+ ~x_6~0 1) ~x_0~0) (<= ~temp_5~0 ~y_7~0) (<= ~y_7~0 ~temp_5~0) (<= ~x_0~0 (+ ~x_6~0 1)) (<= ~y_1~0 1)), 9#$Ultimate##0true, Black: 353#(= ~f2_3~0 (* 256 (div ~f2_3~0 256))), 172#L102-4true, Black: 425#(and (<= ~y_1~0 (+ ~y_7~0 1)) (<= 2 ~y_1~0) (<= ~y_1~0 2) (<= (+ ~y_7~0 1) ~y_1~0) (<= (+ ~temp_5~0 1) ~x_6~0) (<= ~x_0~0 ~x_6~0) (<= ~temp_11~0 ~temp_5~0) (= ~temp_11~0 0) (<= ~temp_5~0 ~temp_11~0) (<= ~x_6~0 (+ ~temp_5~0 1)) (<= ~x_6~0 ~x_0~0)), Black: 399#(and (<= 2 ~y_1~0) (<= ~y_1~0 2) (= ~y_7~0 0) (<= ~x_6~0 ~temp_5~0) (<= 1 ~x_0~0) (= ~temp_11~0 0) (<= ~temp_4~0 1) (<= ~temp_5~0 ~x_6~0) (<= 1 ~temp_4~0) (<= ~x_0~0 1) (= ~temp_5~0 0)), Black: 403#(and (<= ~y_1~0 (+ ~y_7~0 1)) (<= 2 ~y_1~0) (<= ~y_1~0 2) (<= (+ ~y_7~0 1) ~y_1~0) (<= ~temp_11~0 ~temp_5~0) (<= ~x_6~0 ~temp_5~0) (<= 1 ~x_0~0) (= ~temp_11~0 0) (<= ~temp_5~0 ~temp_11~0) (<= ~temp_5~0 ~x_6~0) (<= ~x_0~0 1)), Black: 405#(and (<= 2 ~y_1~0) (<= ~y_1~0 2) (= ~x_6~0 0) (= ~y_7~0 0) (<= 1 ~x_0~0) (= ~temp_11~0 0) (<= ~temp_4~0 1) (<= 1 ~temp_4~0) (<= ~x_0~0 1)), Black: 389#(and (<= 2 ~y_1~0) (<= ~y_1~0 2) (= ~x_6~0 0) (= ~y_7~0 0) (<= 1 ~x_0~0) (<= ~temp_4~0 1) (<= 1 ~temp_4~0) (<= ~x_0~0 1) (= ~temp_5~0 0)), Black: 366#(and (<= 2 ~y_1~0) (<= ~y_1~0 2) (= ~x_6~0 0) (<= 1 ~x_0~0) (= ~temp_11~0 0) (<= ~x_0~0 1)), Black: 377#(and (< ~x_0~0 (+ ~x_6~0 1)) (< ~y_7~0 (+ ~y_1~0 1)) (<= ~y_1~0 ~y_7~0) (<= ~x_6~0 ~x_0~0) (or (not (= ~x_0~0 ~y_1~0)) (= ~x_6~0 0)) (or (= ~y_7~0 0) (not (= ~x_6~0 0)))), Black: 371#(and (<= ~y_1~0 (+ ~y_7~0 1)) (<= (+ ~y_7~0 1) ~y_1~0) (<= ~temp_11~0 ~temp_5~0) (<= ~temp_5~0 ~temp_11~0)), Black: 393#(and (<= 2 ~y_1~0) (<= ~y_1~0 2) (= ~x_6~0 0) (= ~y_7~0 0) (<= 1 ~x_0~0) (<= ~temp_4~0 1) (<= 1 ~temp_4~0) (<= ~x_0~0 1)), Black: 358#(and (or (and (or (= ~y_7~0 0) (not (= ~x_0~0 0))) (or (= ~y_1~0 0) (= ~x_0~0 0))) (not (= ~x_6~0 0))) (or (not (= ~x_0~0 ~y_1~0)) (= ~x_6~0 0))), 227#L193-4true, 76#thread3EXITtrue, Black: 501#(and (= ~y_1~0 0) (= ~y_7~0 0) (= ~temp_10~0 ~x_0~0)), Black: 572#(and (< ~x_6~0 (+ ~x_0~0 1)) (<= (+ ~temp_10~0 1) ~y_1~0) (< ~y_7~0 (+ ~y_1~0 1)) (<= ~x_0~0 ~x_6~0) (<= ~y_1~0 ~y_7~0) (<= ~y_1~0 (+ ~temp_10~0 1)))]) [2023-01-27 20:52:57,388 INFO L383 tUnfolder$Statistics]: this new event has 41 ancestors and is not cut-off event [2023-01-27 20:52:57,388 INFO L386 tUnfolder$Statistics]: existing Event has 41 ancestors and is not cut-off event [2023-01-27 20:52:57,388 INFO L386 tUnfolder$Statistics]: existing Event has 41 ancestors and is not cut-off event [2023-01-27 20:52:57,388 INFO L386 tUnfolder$Statistics]: existing Event has 41 ancestors and is not cut-off event [2023-01-27 20:52:57,511 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([725] L63-->thread2EXIT: Formula: (and (= |v_thread2Thread1of1ForFork5_#res#1.offset_9| 0) (= |v_thread2Thread1of1ForFork5_#res#1.base_9| 0) (= (+ v_~temp_4~0_15 1) v_~y_1~0_26)) InVars {~temp_4~0=v_~temp_4~0_15} OutVars{~temp_4~0=v_~temp_4~0_15, thread2Thread1of1ForFork5_#res#1.offset=|v_thread2Thread1of1ForFork5_#res#1.offset_9|, ~y_1~0=v_~y_1~0_26, thread2Thread1of1ForFork5_#res#1.base=|v_thread2Thread1of1ForFork5_#res#1.base_9|} AuxVars[] AssignedVars[thread2Thread1of1ForFork5_#res#1.offset, ~y_1~0, thread2Thread1of1ForFork5_#res#1.base][145], [Black: 504#(and (= ~y_7~0 0) (<= (+ ~temp_10~0 1) ~x_0~0) (<= ~x_0~0 (+ ~temp_10~0 1)) (= ~temp_5~0 0)), Black: 511#(and (<= ~x_0~0 (+ ~temp_10~0 2)) (<= ~y_1~0 (+ ~y_7~0 1)) (<= (+ ~y_7~0 1) ~y_1~0) (<= (+ ~temp_10~0 2) ~x_0~0)), Black: 540#(and (<= ~x_0~0 (+ ~temp_10~0 2)) (= ~y_7~0 0) (<= (+ ~temp_10~0 2) ~x_0~0) (<= 1 ~y_1~0) (<= (+ ~temp_10~0 1) ~temp_5~0) (<= ~y_1~0 1) (<= ~temp_5~0 (+ ~temp_10~0 1))), Black: 508#(and (<= ~x_0~0 (+ ~temp_10~0 2)) (<= (+ ~temp_10~0 2) ~x_0~0) (<= 1 ~y_1~0) (= ~temp_11~0 0) (<= ~y_1~0 1)), Black: 542#(and (<= ~x_0~0 (+ ~temp_10~0 2)) (= ~y_7~0 0) (<= (+ ~temp_10~0 2) ~x_0~0) (<= 1 ~y_1~0) (<= (+ ~x_6~0 1) ~x_0~0) (<= (+ ~temp_10~0 1) ~temp_5~0) (<= ~x_0~0 (+ ~x_6~0 1)) (<= ~y_1~0 1) (<= ~temp_5~0 (+ ~temp_10~0 1))), Black: 536#(and (= ~y_7~0 0) (<= 1 ~y_1~0) (<= (+ ~temp_10~0 1) ~temp_5~0) (<= (+ ~temp_10~0 1) ~x_0~0) (<= ~y_1~0 1) (<= ~x_0~0 (+ ~temp_10~0 1)) (<= ~temp_5~0 (+ ~temp_10~0 1))), Black: 526#(and (= ~y_1~0 0) (= ~x_0~0 ~x_6~0) (= ~y_7~0 0) (<= (+ ~temp_10~0 1) ~x_0~0) (<= ~temp_10~0 ~temp_4~0) (<= ~x_0~0 (+ ~temp_10~0 1)) (<= ~temp_4~0 ~temp_10~0)), Black: 556#(and (<= ~x_0~0 (+ ~temp_10~0 2)) (<= ~y_1~0 (+ ~y_7~0 1)) (<= 2 ~y_1~0) (<= ~y_1~0 2) (<= (+ ~y_7~0 1) ~y_1~0) (<= (+ ~temp_10~0 2) ~x_0~0) (= ~temp_11~0 0) (<= ~temp_4~0 1) (<= 1 ~temp_4~0)), Black: 534#(and (< ~x_6~0 (+ ~x_0~0 1)) (= ~y_7~0 0) (<= ~x_0~0 ~x_6~0) (<= 1 ~y_1~0) (<= (+ ~temp_10~0 1) ~x_0~0) (<= ~y_1~0 1) (<= ~x_0~0 (+ ~temp_10~0 1)) (= ~temp_5~0 0)), Black: 500#(and (= ~y_1~0 0) (= ~x_0~0 ~x_6~0) (= ~y_7~0 0)), Black: 544#(and (<= ~x_0~0 (+ ~temp_10~0 2)) (= ~y_7~0 0) (<= (+ ~temp_10~0 2) ~x_0~0) (<= 1 ~y_1~0) (= ~temp_11~0 0) (<= (+ ~temp_10~0 1) ~temp_5~0) (<= ~y_1~0 1) (<= ~temp_5~0 (+ ~temp_10~0 1))), 259#true, Black: 528#(and (= ~y_1~0 0) (= ~y_7~0 0) (<= (+ ~temp_10~0 1) ~x_0~0) (<= ~temp_10~0 ~temp_4~0) (<= ~x_0~0 (+ ~temp_10~0 1)) (= ~temp_5~0 0) (<= ~temp_4~0 ~temp_10~0)), Black: 546#(and (<= ~x_0~0 (+ ~temp_10~0 2)) (= ~y_7~0 0) (<= (+ ~temp_10~0 2) ~x_0~0) (<= 1 ~y_1~0) (<= (+ ~x_6~0 1) ~x_0~0) (= ~temp_11~0 0) (<= (+ ~temp_10~0 1) ~temp_5~0) (<= ~x_0~0 (+ ~x_6~0 1)) (<= ~y_1~0 1) (<= ~temp_5~0 (+ ~temp_10~0 1))), 498#true, 595#(= ~f1_8~0 (* 256 (div ~f1_8~0 256))), Black: 518#(and (= ~y_1~0 0) (= ~x_0~0 ~x_6~0) (= ~y_7~0 0) (= ~temp_10~0 ~x_0~0)), Black: 532#(and (= ~y_7~0 0) (<= 1 ~y_1~0) (<= (+ ~temp_10~0 1) ~x_0~0) (<= ~y_1~0 1) (<= ~x_0~0 (+ ~temp_10~0 1)) (= ~temp_5~0 0)), Black: 295#(and (<= ~x_0~0 (+ ~x_6~0 2)) (<= ~y_1~0 (+ ~y_7~0 1)) (<= (+ ~y_7~0 1) ~y_1~0) (<= (+ ~x_6~0 2) ~x_0~0) (<= ~temp_5~0 (+ ~x_6~0 1)) (<= (+ ~x_6~0 1) ~temp_5~0)), 94#L140true, Black: 524#(and (= ~y_1~0 0) (= ~y_7~0 0) (<= (+ ~temp_10~0 1) ~x_0~0) (<= ~temp_10~0 ~temp_4~0) (<= ~x_0~0 (+ ~temp_10~0 1)) (<= ~temp_4~0 ~temp_10~0)), 69#L166-1true, Black: 277#(and (= ~y_1~0 0) (= ~x_0~0 ~x_6~0) (= ~y_7~0 0) (<= ~x_6~0 ~temp_4~0) (<= ~temp_4~0 ~x_6~0)), Black: 301#(and (<= ~y_7~0 ~y_1~0) (<= 1 ~y_1~0) (<= (+ ~x_6~0 1) ~x_0~0) (= ~temp_11~0 0) (<= ~x_0~0 (+ ~x_6~0 1)) (<= ~y_1~0 ~y_7~0) (<= ~y_1~0 1)), 250#true, Black: 279#(and (= ~y_1~0 0) (= ~y_7~0 0) (<= (+ ~x_6~0 1) ~x_0~0) (<= ~x_0~0 (+ ~x_6~0 1)) (<= ~x_6~0 ~temp_4~0) (<= ~temp_4~0 ~x_6~0)), Black: 293#(and (= ~y_7~0 0) (<= 1 ~y_1~0) (<= (+ ~x_6~0 1) ~x_0~0) (<= ~x_0~0 (+ ~x_6~0 1)) (<= ~y_1~0 1) (<= ~temp_5~0 (+ ~x_6~0 1)) (<= (+ ~x_6~0 1) ~temp_5~0)), 356#true, Black: 261#(and (= ~y_1~0 0) (= ~x_0~0 ~x_6~0) (= ~y_7~0 0)), Black: 287#(and (= ~y_7~0 0) (<= 1 ~y_1~0) (<= (+ ~x_6~0 1) ~x_0~0) (<= ~temp_5~0 ~y_7~0) (<= ~y_7~0 ~temp_5~0) (<= ~x_0~0 (+ ~x_6~0 1)) (<= ~y_1~0 1)), 188#thread2EXITtrue, 9#$Ultimate##0true, Black: 353#(= ~f2_3~0 (* 256 (div ~f2_3~0 256))), 172#L102-4true, Black: 425#(and (<= ~y_1~0 (+ ~y_7~0 1)) (<= 2 ~y_1~0) (<= ~y_1~0 2) (<= (+ ~y_7~0 1) ~y_1~0) (<= (+ ~temp_5~0 1) ~x_6~0) (<= ~x_0~0 ~x_6~0) (<= ~temp_11~0 ~temp_5~0) (= ~temp_11~0 0) (<= ~temp_5~0 ~temp_11~0) (<= ~x_6~0 (+ ~temp_5~0 1)) (<= ~x_6~0 ~x_0~0)), Black: 399#(and (<= 2 ~y_1~0) (<= ~y_1~0 2) (= ~y_7~0 0) (<= ~x_6~0 ~temp_5~0) (<= 1 ~x_0~0) (= ~temp_11~0 0) (<= ~temp_4~0 1) (<= ~temp_5~0 ~x_6~0) (<= 1 ~temp_4~0) (<= ~x_0~0 1) (= ~temp_5~0 0)), Black: 403#(and (<= ~y_1~0 (+ ~y_7~0 1)) (<= 2 ~y_1~0) (<= ~y_1~0 2) (<= (+ ~y_7~0 1) ~y_1~0) (<= ~temp_11~0 ~temp_5~0) (<= ~x_6~0 ~temp_5~0) (<= 1 ~x_0~0) (= ~temp_11~0 0) (<= ~temp_5~0 ~temp_11~0) (<= ~temp_5~0 ~x_6~0) (<= ~x_0~0 1)), Black: 405#(and (<= 2 ~y_1~0) (<= ~y_1~0 2) (= ~x_6~0 0) (= ~y_7~0 0) (<= 1 ~x_0~0) (= ~temp_11~0 0) (<= ~temp_4~0 1) (<= 1 ~temp_4~0) (<= ~x_0~0 1)), Black: 389#(and (<= 2 ~y_1~0) (<= ~y_1~0 2) (= ~x_6~0 0) (= ~y_7~0 0) (<= 1 ~x_0~0) (<= ~temp_4~0 1) (<= 1 ~temp_4~0) (<= ~x_0~0 1) (= ~temp_5~0 0)), Black: 366#(and (<= 2 ~y_1~0) (<= ~y_1~0 2) (= ~x_6~0 0) (<= 1 ~x_0~0) (= ~temp_11~0 0) (<= ~x_0~0 1)), Black: 377#(and (< ~x_0~0 (+ ~x_6~0 1)) (< ~y_7~0 (+ ~y_1~0 1)) (<= ~y_1~0 ~y_7~0) (<= ~x_6~0 ~x_0~0) (or (not (= ~x_0~0 ~y_1~0)) (= ~x_6~0 0)) (or (= ~y_7~0 0) (not (= ~x_6~0 0)))), Black: 371#(and (<= ~y_1~0 (+ ~y_7~0 1)) (<= (+ ~y_7~0 1) ~y_1~0) (<= ~temp_11~0 ~temp_5~0) (<= ~temp_5~0 ~temp_11~0)), Black: 393#(and (<= 2 ~y_1~0) (<= ~y_1~0 2) (= ~x_6~0 0) (= ~y_7~0 0) (<= 1 ~x_0~0) (<= ~temp_4~0 1) (<= 1 ~temp_4~0) (<= ~x_0~0 1)), Black: 358#(and (or (and (or (= ~y_7~0 0) (not (= ~x_0~0 0))) (or (= ~y_1~0 0) (= ~x_0~0 0))) (not (= ~x_6~0 0))) (or (not (= ~x_0~0 ~y_1~0)) (= ~x_6~0 0))), 76#thread3EXITtrue, 11#L194-1true, Black: 501#(and (= ~y_1~0 0) (= ~y_7~0 0) (= ~temp_10~0 ~x_0~0)), Black: 572#(and (< ~x_6~0 (+ ~x_0~0 1)) (<= (+ ~temp_10~0 1) ~y_1~0) (< ~y_7~0 (+ ~y_1~0 1)) (<= ~x_0~0 ~x_6~0) (<= ~y_1~0 ~y_7~0) (<= ~y_1~0 (+ ~temp_10~0 1)))]) [2023-01-27 20:52:57,512 INFO L383 tUnfolder$Statistics]: this new event has 42 ancestors and is not cut-off event [2023-01-27 20:52:57,512 INFO L386 tUnfolder$Statistics]: existing Event has 42 ancestors and is not cut-off event [2023-01-27 20:52:57,512 INFO L386 tUnfolder$Statistics]: existing Event has 42 ancestors and is not cut-off event [2023-01-27 20:52:57,512 INFO L386 tUnfolder$Statistics]: existing Event has 42 ancestors and is not cut-off event [2023-01-27 20:52:57,607 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([725] L63-->thread2EXIT: Formula: (and (= |v_thread2Thread1of1ForFork5_#res#1.offset_9| 0) (= |v_thread2Thread1of1ForFork5_#res#1.base_9| 0) (= (+ v_~temp_4~0_15 1) v_~y_1~0_26)) InVars {~temp_4~0=v_~temp_4~0_15} OutVars{~temp_4~0=v_~temp_4~0_15, thread2Thread1of1ForFork5_#res#1.offset=|v_thread2Thread1of1ForFork5_#res#1.offset_9|, ~y_1~0=v_~y_1~0_26, thread2Thread1of1ForFork5_#res#1.base=|v_thread2Thread1of1ForFork5_#res#1.base_9|} AuxVars[] AssignedVars[thread2Thread1of1ForFork5_#res#1.offset, ~y_1~0, thread2Thread1of1ForFork5_#res#1.base][145], [Black: 504#(and (= ~y_7~0 0) (<= (+ ~temp_10~0 1) ~x_0~0) (<= ~x_0~0 (+ ~temp_10~0 1)) (= ~temp_5~0 0)), Black: 511#(and (<= ~x_0~0 (+ ~temp_10~0 2)) (<= ~y_1~0 (+ ~y_7~0 1)) (<= (+ ~y_7~0 1) ~y_1~0) (<= (+ ~temp_10~0 2) ~x_0~0)), Black: 540#(and (<= ~x_0~0 (+ ~temp_10~0 2)) (= ~y_7~0 0) (<= (+ ~temp_10~0 2) ~x_0~0) (<= 1 ~y_1~0) (<= (+ ~temp_10~0 1) ~temp_5~0) (<= ~y_1~0 1) (<= ~temp_5~0 (+ ~temp_10~0 1))), Black: 508#(and (<= ~x_0~0 (+ ~temp_10~0 2)) (<= (+ ~temp_10~0 2) ~x_0~0) (<= 1 ~y_1~0) (= ~temp_11~0 0) (<= ~y_1~0 1)), Black: 542#(and (<= ~x_0~0 (+ ~temp_10~0 2)) (= ~y_7~0 0) (<= (+ ~temp_10~0 2) ~x_0~0) (<= 1 ~y_1~0) (<= (+ ~x_6~0 1) ~x_0~0) (<= (+ ~temp_10~0 1) ~temp_5~0) (<= ~x_0~0 (+ ~x_6~0 1)) (<= ~y_1~0 1) (<= ~temp_5~0 (+ ~temp_10~0 1))), Black: 536#(and (= ~y_7~0 0) (<= 1 ~y_1~0) (<= (+ ~temp_10~0 1) ~temp_5~0) (<= (+ ~temp_10~0 1) ~x_0~0) (<= ~y_1~0 1) (<= ~x_0~0 (+ ~temp_10~0 1)) (<= ~temp_5~0 (+ ~temp_10~0 1))), Black: 526#(and (= ~y_1~0 0) (= ~x_0~0 ~x_6~0) (= ~y_7~0 0) (<= (+ ~temp_10~0 1) ~x_0~0) (<= ~temp_10~0 ~temp_4~0) (<= ~x_0~0 (+ ~temp_10~0 1)) (<= ~temp_4~0 ~temp_10~0)), Black: 556#(and (<= ~x_0~0 (+ ~temp_10~0 2)) (<= ~y_1~0 (+ ~y_7~0 1)) (<= 2 ~y_1~0) (<= ~y_1~0 2) (<= (+ ~y_7~0 1) ~y_1~0) (<= (+ ~temp_10~0 2) ~x_0~0) (= ~temp_11~0 0) (<= ~temp_4~0 1) (<= 1 ~temp_4~0)), Black: 534#(and (< ~x_6~0 (+ ~x_0~0 1)) (= ~y_7~0 0) (<= ~x_0~0 ~x_6~0) (<= 1 ~y_1~0) (<= (+ ~temp_10~0 1) ~x_0~0) (<= ~y_1~0 1) (<= ~x_0~0 (+ ~temp_10~0 1)) (= ~temp_5~0 0)), Black: 500#(and (= ~y_1~0 0) (= ~x_0~0 ~x_6~0) (= ~y_7~0 0)), Black: 544#(and (<= ~x_0~0 (+ ~temp_10~0 2)) (= ~y_7~0 0) (<= (+ ~temp_10~0 2) ~x_0~0) (<= 1 ~y_1~0) (= ~temp_11~0 0) (<= (+ ~temp_10~0 1) ~temp_5~0) (<= ~y_1~0 1) (<= ~temp_5~0 (+ ~temp_10~0 1))), 259#true, Black: 528#(and (= ~y_1~0 0) (= ~y_7~0 0) (<= (+ ~temp_10~0 1) ~x_0~0) (<= ~temp_10~0 ~temp_4~0) (<= ~x_0~0 (+ ~temp_10~0 1)) (= ~temp_5~0 0) (<= ~temp_4~0 ~temp_10~0)), Black: 546#(and (<= ~x_0~0 (+ ~temp_10~0 2)) (= ~y_7~0 0) (<= (+ ~temp_10~0 2) ~x_0~0) (<= 1 ~y_1~0) (<= (+ ~x_6~0 1) ~x_0~0) (= ~temp_11~0 0) (<= (+ ~temp_10~0 1) ~temp_5~0) (<= ~x_0~0 (+ ~x_6~0 1)) (<= ~y_1~0 1) (<= ~temp_5~0 (+ ~temp_10~0 1))), 498#true, 595#(= ~f1_8~0 (* 256 (div ~f1_8~0 256))), Black: 518#(and (= ~y_1~0 0) (= ~x_0~0 ~x_6~0) (= ~y_7~0 0) (= ~temp_10~0 ~x_0~0)), Black: 532#(and (= ~y_7~0 0) (<= 1 ~y_1~0) (<= (+ ~temp_10~0 1) ~x_0~0) (<= ~y_1~0 1) (<= ~x_0~0 (+ ~temp_10~0 1)) (= ~temp_5~0 0)), Black: 295#(and (<= ~x_0~0 (+ ~x_6~0 2)) (<= ~y_1~0 (+ ~y_7~0 1)) (<= (+ ~y_7~0 1) ~y_1~0) (<= (+ ~x_6~0 2) ~x_0~0) (<= ~temp_5~0 (+ ~x_6~0 1)) (<= (+ ~x_6~0 1) ~temp_5~0)), 94#L140true, Black: 524#(and (= ~y_1~0 0) (= ~y_7~0 0) (<= (+ ~temp_10~0 1) ~x_0~0) (<= ~temp_10~0 ~temp_4~0) (<= ~x_0~0 (+ ~temp_10~0 1)) (<= ~temp_4~0 ~temp_10~0)), 69#L166-1true, Black: 277#(and (= ~y_1~0 0) (= ~x_0~0 ~x_6~0) (= ~y_7~0 0) (<= ~x_6~0 ~temp_4~0) (<= ~temp_4~0 ~x_6~0)), Black: 301#(and (<= ~y_7~0 ~y_1~0) (<= 1 ~y_1~0) (<= (+ ~x_6~0 1) ~x_0~0) (= ~temp_11~0 0) (<= ~x_0~0 (+ ~x_6~0 1)) (<= ~y_1~0 ~y_7~0) (<= ~y_1~0 1)), 250#true, Black: 279#(and (= ~y_1~0 0) (= ~y_7~0 0) (<= (+ ~x_6~0 1) ~x_0~0) (<= ~x_0~0 (+ ~x_6~0 1)) (<= ~x_6~0 ~temp_4~0) (<= ~temp_4~0 ~x_6~0)), 356#true, Black: 293#(and (= ~y_7~0 0) (<= 1 ~y_1~0) (<= (+ ~x_6~0 1) ~x_0~0) (<= ~x_0~0 (+ ~x_6~0 1)) (<= ~y_1~0 1) (<= ~temp_5~0 (+ ~x_6~0 1)) (<= (+ ~x_6~0 1) ~temp_5~0)), 126#L103-1true, Black: 261#(and (= ~y_1~0 0) (= ~x_0~0 ~x_6~0) (= ~y_7~0 0)), Black: 287#(and (= ~y_7~0 0) (<= 1 ~y_1~0) (<= (+ ~x_6~0 1) ~x_0~0) (<= ~temp_5~0 ~y_7~0) (<= ~y_7~0 ~temp_5~0) (<= ~x_0~0 (+ ~x_6~0 1)) (<= ~y_1~0 1)), 188#thread2EXITtrue, 9#$Ultimate##0true, Black: 353#(= ~f2_3~0 (* 256 (div ~f2_3~0 256))), Black: 425#(and (<= ~y_1~0 (+ ~y_7~0 1)) (<= 2 ~y_1~0) (<= ~y_1~0 2) (<= (+ ~y_7~0 1) ~y_1~0) (<= (+ ~temp_5~0 1) ~x_6~0) (<= ~x_0~0 ~x_6~0) (<= ~temp_11~0 ~temp_5~0) (= ~temp_11~0 0) (<= ~temp_5~0 ~temp_11~0) (<= ~x_6~0 (+ ~temp_5~0 1)) (<= ~x_6~0 ~x_0~0)), Black: 399#(and (<= 2 ~y_1~0) (<= ~y_1~0 2) (= ~y_7~0 0) (<= ~x_6~0 ~temp_5~0) (<= 1 ~x_0~0) (= ~temp_11~0 0) (<= ~temp_4~0 1) (<= ~temp_5~0 ~x_6~0) (<= 1 ~temp_4~0) (<= ~x_0~0 1) (= ~temp_5~0 0)), Black: 403#(and (<= ~y_1~0 (+ ~y_7~0 1)) (<= 2 ~y_1~0) (<= ~y_1~0 2) (<= (+ ~y_7~0 1) ~y_1~0) (<= ~temp_11~0 ~temp_5~0) (<= ~x_6~0 ~temp_5~0) (<= 1 ~x_0~0) (= ~temp_11~0 0) (<= ~temp_5~0 ~temp_11~0) (<= ~temp_5~0 ~x_6~0) (<= ~x_0~0 1)), Black: 405#(and (<= 2 ~y_1~0) (<= ~y_1~0 2) (= ~x_6~0 0) (= ~y_7~0 0) (<= 1 ~x_0~0) (= ~temp_11~0 0) (<= ~temp_4~0 1) (<= 1 ~temp_4~0) (<= ~x_0~0 1)), Black: 389#(and (<= 2 ~y_1~0) (<= ~y_1~0 2) (= ~x_6~0 0) (= ~y_7~0 0) (<= 1 ~x_0~0) (<= ~temp_4~0 1) (<= 1 ~temp_4~0) (<= ~x_0~0 1) (= ~temp_5~0 0)), Black: 366#(and (<= 2 ~y_1~0) (<= ~y_1~0 2) (= ~x_6~0 0) (<= 1 ~x_0~0) (= ~temp_11~0 0) (<= ~x_0~0 1)), Black: 377#(and (< ~x_0~0 (+ ~x_6~0 1)) (< ~y_7~0 (+ ~y_1~0 1)) (<= ~y_1~0 ~y_7~0) (<= ~x_6~0 ~x_0~0) (or (not (= ~x_0~0 ~y_1~0)) (= ~x_6~0 0)) (or (= ~y_7~0 0) (not (= ~x_6~0 0)))), Black: 371#(and (<= ~y_1~0 (+ ~y_7~0 1)) (<= (+ ~y_7~0 1) ~y_1~0) (<= ~temp_11~0 ~temp_5~0) (<= ~temp_5~0 ~temp_11~0)), Black: 393#(and (<= 2 ~y_1~0) (<= ~y_1~0 2) (= ~x_6~0 0) (= ~y_7~0 0) (<= 1 ~x_0~0) (<= ~temp_4~0 1) (<= 1 ~temp_4~0) (<= ~x_0~0 1)), Black: 358#(and (or (and (or (= ~y_7~0 0) (not (= ~x_0~0 0))) (or (= ~y_1~0 0) (= ~x_0~0 0))) (not (= ~x_6~0 0))) (or (not (= ~x_0~0 ~y_1~0)) (= ~x_6~0 0))), 227#L193-4true, 76#thread3EXITtrue, Black: 501#(and (= ~y_1~0 0) (= ~y_7~0 0) (= ~temp_10~0 ~x_0~0)), Black: 572#(and (< ~x_6~0 (+ ~x_0~0 1)) (<= (+ ~temp_10~0 1) ~y_1~0) (< ~y_7~0 (+ ~y_1~0 1)) (<= ~x_0~0 ~x_6~0) (<= ~y_1~0 ~y_7~0) (<= ~y_1~0 (+ ~temp_10~0 1)))]) [2023-01-27 20:52:57,607 INFO L383 tUnfolder$Statistics]: this new event has 42 ancestors and is not cut-off event [2023-01-27 20:52:57,607 INFO L386 tUnfolder$Statistics]: existing Event has 42 ancestors and is not cut-off event [2023-01-27 20:52:57,607 INFO L386 tUnfolder$Statistics]: existing Event has 42 ancestors and is not cut-off event [2023-01-27 20:52:57,608 INFO L386 tUnfolder$Statistics]: existing Event has 42 ancestors and is not cut-off event [2023-01-27 20:52:57,726 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([725] L63-->thread2EXIT: Formula: (and (= |v_thread2Thread1of1ForFork5_#res#1.offset_9| 0) (= |v_thread2Thread1of1ForFork5_#res#1.base_9| 0) (= (+ v_~temp_4~0_15 1) v_~y_1~0_26)) InVars {~temp_4~0=v_~temp_4~0_15} OutVars{~temp_4~0=v_~temp_4~0_15, thread2Thread1of1ForFork5_#res#1.offset=|v_thread2Thread1of1ForFork5_#res#1.offset_9|, ~y_1~0=v_~y_1~0_26, thread2Thread1of1ForFork5_#res#1.base=|v_thread2Thread1of1ForFork5_#res#1.base_9|} AuxVars[] AssignedVars[thread2Thread1of1ForFork5_#res#1.offset, ~y_1~0, thread2Thread1of1ForFork5_#res#1.base][145], [Black: 504#(and (= ~y_7~0 0) (<= (+ ~temp_10~0 1) ~x_0~0) (<= ~x_0~0 (+ ~temp_10~0 1)) (= ~temp_5~0 0)), Black: 511#(and (<= ~x_0~0 (+ ~temp_10~0 2)) (<= ~y_1~0 (+ ~y_7~0 1)) (<= (+ ~y_7~0 1) ~y_1~0) (<= (+ ~temp_10~0 2) ~x_0~0)), Black: 540#(and (<= ~x_0~0 (+ ~temp_10~0 2)) (= ~y_7~0 0) (<= (+ ~temp_10~0 2) ~x_0~0) (<= 1 ~y_1~0) (<= (+ ~temp_10~0 1) ~temp_5~0) (<= ~y_1~0 1) (<= ~temp_5~0 (+ ~temp_10~0 1))), Black: 508#(and (<= ~x_0~0 (+ ~temp_10~0 2)) (<= (+ ~temp_10~0 2) ~x_0~0) (<= 1 ~y_1~0) (= ~temp_11~0 0) (<= ~y_1~0 1)), Black: 542#(and (<= ~x_0~0 (+ ~temp_10~0 2)) (= ~y_7~0 0) (<= (+ ~temp_10~0 2) ~x_0~0) (<= 1 ~y_1~0) (<= (+ ~x_6~0 1) ~x_0~0) (<= (+ ~temp_10~0 1) ~temp_5~0) (<= ~x_0~0 (+ ~x_6~0 1)) (<= ~y_1~0 1) (<= ~temp_5~0 (+ ~temp_10~0 1))), Black: 536#(and (= ~y_7~0 0) (<= 1 ~y_1~0) (<= (+ ~temp_10~0 1) ~temp_5~0) (<= (+ ~temp_10~0 1) ~x_0~0) (<= ~y_1~0 1) (<= ~x_0~0 (+ ~temp_10~0 1)) (<= ~temp_5~0 (+ ~temp_10~0 1))), Black: 526#(and (= ~y_1~0 0) (= ~x_0~0 ~x_6~0) (= ~y_7~0 0) (<= (+ ~temp_10~0 1) ~x_0~0) (<= ~temp_10~0 ~temp_4~0) (<= ~x_0~0 (+ ~temp_10~0 1)) (<= ~temp_4~0 ~temp_10~0)), Black: 556#(and (<= ~x_0~0 (+ ~temp_10~0 2)) (<= ~y_1~0 (+ ~y_7~0 1)) (<= 2 ~y_1~0) (<= ~y_1~0 2) (<= (+ ~y_7~0 1) ~y_1~0) (<= (+ ~temp_10~0 2) ~x_0~0) (= ~temp_11~0 0) (<= ~temp_4~0 1) (<= 1 ~temp_4~0)), Black: 534#(and (< ~x_6~0 (+ ~x_0~0 1)) (= ~y_7~0 0) (<= ~x_0~0 ~x_6~0) (<= 1 ~y_1~0) (<= (+ ~temp_10~0 1) ~x_0~0) (<= ~y_1~0 1) (<= ~x_0~0 (+ ~temp_10~0 1)) (= ~temp_5~0 0)), Black: 500#(and (= ~y_1~0 0) (= ~x_0~0 ~x_6~0) (= ~y_7~0 0)), 259#true, Black: 544#(and (<= ~x_0~0 (+ ~temp_10~0 2)) (= ~y_7~0 0) (<= (+ ~temp_10~0 2) ~x_0~0) (<= 1 ~y_1~0) (= ~temp_11~0 0) (<= (+ ~temp_10~0 1) ~temp_5~0) (<= ~y_1~0 1) (<= ~temp_5~0 (+ ~temp_10~0 1))), Black: 528#(and (= ~y_1~0 0) (= ~y_7~0 0) (<= (+ ~temp_10~0 1) ~x_0~0) (<= ~temp_10~0 ~temp_4~0) (<= ~x_0~0 (+ ~temp_10~0 1)) (= ~temp_5~0 0) (<= ~temp_4~0 ~temp_10~0)), 498#true, 595#(= ~f1_8~0 (* 256 (div ~f1_8~0 256))), Black: 546#(and (<= ~x_0~0 (+ ~temp_10~0 2)) (= ~y_7~0 0) (<= (+ ~temp_10~0 2) ~x_0~0) (<= 1 ~y_1~0) (<= (+ ~x_6~0 1) ~x_0~0) (= ~temp_11~0 0) (<= (+ ~temp_10~0 1) ~temp_5~0) (<= ~x_0~0 (+ ~x_6~0 1)) (<= ~y_1~0 1) (<= ~temp_5~0 (+ ~temp_10~0 1))), Black: 518#(and (= ~y_1~0 0) (= ~x_0~0 ~x_6~0) (= ~y_7~0 0) (= ~temp_10~0 ~x_0~0)), Black: 532#(and (= ~y_7~0 0) (<= 1 ~y_1~0) (<= (+ ~temp_10~0 1) ~x_0~0) (<= ~y_1~0 1) (<= ~x_0~0 (+ ~temp_10~0 1)) (= ~temp_5~0 0)), Black: 295#(and (<= ~x_0~0 (+ ~x_6~0 2)) (<= ~y_1~0 (+ ~y_7~0 1)) (<= (+ ~y_7~0 1) ~y_1~0) (<= (+ ~x_6~0 2) ~x_0~0) (<= ~temp_5~0 (+ ~x_6~0 1)) (<= (+ ~x_6~0 1) ~temp_5~0)), 94#L140true, Black: 524#(and (= ~y_1~0 0) (= ~y_7~0 0) (<= (+ ~temp_10~0 1) ~x_0~0) (<= ~temp_10~0 ~temp_4~0) (<= ~x_0~0 (+ ~temp_10~0 1)) (<= ~temp_4~0 ~temp_10~0)), 69#L166-1true, Black: 277#(and (= ~y_1~0 0) (= ~x_0~0 ~x_6~0) (= ~y_7~0 0) (<= ~x_6~0 ~temp_4~0) (<= ~temp_4~0 ~x_6~0)), Black: 301#(and (<= ~y_7~0 ~y_1~0) (<= 1 ~y_1~0) (<= (+ ~x_6~0 1) ~x_0~0) (= ~temp_11~0 0) (<= ~x_0~0 (+ ~x_6~0 1)) (<= ~y_1~0 ~y_7~0) (<= ~y_1~0 1)), 250#true, Black: 279#(and (= ~y_1~0 0) (= ~y_7~0 0) (<= (+ ~x_6~0 1) ~x_0~0) (<= ~x_0~0 (+ ~x_6~0 1)) (<= ~x_6~0 ~temp_4~0) (<= ~temp_4~0 ~x_6~0)), Black: 293#(and (= ~y_7~0 0) (<= 1 ~y_1~0) (<= (+ ~x_6~0 1) ~x_0~0) (<= ~x_0~0 (+ ~x_6~0 1)) (<= ~y_1~0 1) (<= ~temp_5~0 (+ ~x_6~0 1)) (<= (+ ~x_6~0 1) ~temp_5~0)), 356#true, 126#L103-1true, Black: 261#(and (= ~y_1~0 0) (= ~x_0~0 ~x_6~0) (= ~y_7~0 0)), 188#thread2EXITtrue, Black: 287#(and (= ~y_7~0 0) (<= 1 ~y_1~0) (<= (+ ~x_6~0 1) ~x_0~0) (<= ~temp_5~0 ~y_7~0) (<= ~y_7~0 ~temp_5~0) (<= ~x_0~0 (+ ~x_6~0 1)) (<= ~y_1~0 1)), 9#$Ultimate##0true, Black: 353#(= ~f2_3~0 (* 256 (div ~f2_3~0 256))), Black: 425#(and (<= ~y_1~0 (+ ~y_7~0 1)) (<= 2 ~y_1~0) (<= ~y_1~0 2) (<= (+ ~y_7~0 1) ~y_1~0) (<= (+ ~temp_5~0 1) ~x_6~0) (<= ~x_0~0 ~x_6~0) (<= ~temp_11~0 ~temp_5~0) (= ~temp_11~0 0) (<= ~temp_5~0 ~temp_11~0) (<= ~x_6~0 (+ ~temp_5~0 1)) (<= ~x_6~0 ~x_0~0)), Black: 399#(and (<= 2 ~y_1~0) (<= ~y_1~0 2) (= ~y_7~0 0) (<= ~x_6~0 ~temp_5~0) (<= 1 ~x_0~0) (= ~temp_11~0 0) (<= ~temp_4~0 1) (<= ~temp_5~0 ~x_6~0) (<= 1 ~temp_4~0) (<= ~x_0~0 1) (= ~temp_5~0 0)), Black: 403#(and (<= ~y_1~0 (+ ~y_7~0 1)) (<= 2 ~y_1~0) (<= ~y_1~0 2) (<= (+ ~y_7~0 1) ~y_1~0) (<= ~temp_11~0 ~temp_5~0) (<= ~x_6~0 ~temp_5~0) (<= 1 ~x_0~0) (= ~temp_11~0 0) (<= ~temp_5~0 ~temp_11~0) (<= ~temp_5~0 ~x_6~0) (<= ~x_0~0 1)), Black: 405#(and (<= 2 ~y_1~0) (<= ~y_1~0 2) (= ~x_6~0 0) (= ~y_7~0 0) (<= 1 ~x_0~0) (= ~temp_11~0 0) (<= ~temp_4~0 1) (<= 1 ~temp_4~0) (<= ~x_0~0 1)), Black: 389#(and (<= 2 ~y_1~0) (<= ~y_1~0 2) (= ~x_6~0 0) (= ~y_7~0 0) (<= 1 ~x_0~0) (<= ~temp_4~0 1) (<= 1 ~temp_4~0) (<= ~x_0~0 1) (= ~temp_5~0 0)), Black: 366#(and (<= 2 ~y_1~0) (<= ~y_1~0 2) (= ~x_6~0 0) (<= 1 ~x_0~0) (= ~temp_11~0 0) (<= ~x_0~0 1)), Black: 377#(and (< ~x_0~0 (+ ~x_6~0 1)) (< ~y_7~0 (+ ~y_1~0 1)) (<= ~y_1~0 ~y_7~0) (<= ~x_6~0 ~x_0~0) (or (not (= ~x_0~0 ~y_1~0)) (= ~x_6~0 0)) (or (= ~y_7~0 0) (not (= ~x_6~0 0)))), Black: 371#(and (<= ~y_1~0 (+ ~y_7~0 1)) (<= (+ ~y_7~0 1) ~y_1~0) (<= ~temp_11~0 ~temp_5~0) (<= ~temp_5~0 ~temp_11~0)), Black: 393#(and (<= 2 ~y_1~0) (<= ~y_1~0 2) (= ~x_6~0 0) (= ~y_7~0 0) (<= 1 ~x_0~0) (<= ~temp_4~0 1) (<= 1 ~temp_4~0) (<= ~x_0~0 1)), Black: 358#(and (or (and (or (= ~y_7~0 0) (not (= ~x_0~0 0))) (or (= ~y_1~0 0) (= ~x_0~0 0))) (not (= ~x_6~0 0))) (or (not (= ~x_0~0 ~y_1~0)) (= ~x_6~0 0))), 76#thread3EXITtrue, 11#L194-1true, Black: 501#(and (= ~y_1~0 0) (= ~y_7~0 0) (= ~temp_10~0 ~x_0~0)), Black: 572#(and (< ~x_6~0 (+ ~x_0~0 1)) (<= (+ ~temp_10~0 1) ~y_1~0) (< ~y_7~0 (+ ~y_1~0 1)) (<= ~x_0~0 ~x_6~0) (<= ~y_1~0 ~y_7~0) (<= ~y_1~0 (+ ~temp_10~0 1)))]) [2023-01-27 20:52:57,726 INFO L383 tUnfolder$Statistics]: this new event has 43 ancestors and is not cut-off event [2023-01-27 20:52:57,726 INFO L386 tUnfolder$Statistics]: existing Event has 43 ancestors and is not cut-off event [2023-01-27 20:52:57,726 INFO L386 tUnfolder$Statistics]: existing Event has 43 ancestors and is not cut-off event [2023-01-27 20:52:57,726 INFO L386 tUnfolder$Statistics]: existing Event has 43 ancestors and is not cut-off event [2023-01-27 20:53:00,371 INFO L130 PetriNetUnfolder]: 34503/53294 cut-off events. [2023-01-27 20:53:00,371 INFO L131 PetriNetUnfolder]: For 66979/74566 co-relation queries the response was YES. [2023-01-27 20:53:00,785 INFO L83 FinitePrefix]: Finished finitePrefix Result has 155890 conditions, 53294 events. 34503/53294 cut-off events. For 66979/74566 co-relation queries the response was YES. Maximal size of possible extension queue 1556. Compared 401876 event pairs, 15936 based on Foata normal form. 1179/48382 useless extension candidates. Maximal degree in co-relation 155847. Up to 29556 conditions per place. [2023-01-27 20:53:00,961 INFO L137 encePairwiseOnDemand]: 378/382 looper letters, 227 selfloop transitions, 3 changer transitions 0/503 dead transitions. [2023-01-27 20:53:00,961 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 217 places, 503 transitions, 3542 flow [2023-01-27 20:53:00,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-01-27 20:53:00,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-01-27 20:53:00,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 889 transitions. [2023-01-27 20:53:00,962 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5818062827225131 [2023-01-27 20:53:00,962 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 889 transitions. [2023-01-27 20:53:00,962 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 889 transitions. [2023-01-27 20:53:00,963 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-27 20:53:00,963 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 889 transitions. [2023-01-27 20:53:00,964 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 222.25) internal successors, (889), 4 states have internal predecessors, (889), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-27 20:53:00,965 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 382.0) internal successors, (1910), 5 states have internal predecessors, (1910), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-27 20:53:00,966 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 382.0) internal successors, (1910), 5 states have internal predecessors, (1910), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-27 20:53:00,966 INFO L175 Difference]: Start difference. First operand has 225 places, 486 transitions, 2943 flow. Second operand 4 states and 889 transitions. [2023-01-27 20:53:00,966 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 217 places, 503 transitions, 3542 flow [2023-01-27 20:53:01,685 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 213 places, 503 transitions, 3313 flow, removed 107 selfloop flow, removed 4 redundant places. [2023-01-27 20:53:01,689 INFO L231 Difference]: Finished difference. Result has 214 places, 427 transitions, 2488 flow [2023-01-27 20:53:01,690 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=382, PETRI_DIFFERENCE_MINUEND_FLOW=2478, PETRI_DIFFERENCE_MINUEND_PLACES=210, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=427, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=424, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=2488, PETRI_PLACES=214, PETRI_TRANSITIONS=427} [2023-01-27 20:53:01,690 INFO L281 CegarLoopForPetriNet]: 91 programPoint places, 123 predicate places. [2023-01-27 20:53:01,690 INFO L495 AbstractCegarLoop]: Abstraction has has 214 places, 427 transitions, 2488 flow [2023-01-27 20:53:01,691 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 211.25) internal successors, (845), 4 states have internal predecessors, (845), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-27 20:53:01,691 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-27 20:53:01,691 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-27 20:53:01,691 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-01-27 20:53:01,691 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err9INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2023-01-27 20:53:01,692 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-27 20:53:01,692 INFO L85 PathProgramCache]: Analyzing trace with hash 13186073, now seen corresponding path program 6 times [2023-01-27 20:53:01,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-27 20:53:01,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53511198] [2023-01-27 20:53:01,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-27 20:53:01,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-27 20:53:01,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-27 20:53:01,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-27 20:53:01,912 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-27 20:53:01,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [53511198] [2023-01-27 20:53:01,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [53511198] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-27 20:53:01,913 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-27 20:53:01,913 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-01-27 20:53:01,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649071416] [2023-01-27 20:53:01,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-27 20:53:01,913 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-01-27 20:53:01,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-27 20:53:01,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-01-27 20:53:01,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-01-27 20:53:01,915 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 203 out of 382 [2023-01-27 20:53:01,915 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 214 places, 427 transitions, 2488 flow. Second operand has 3 states, 3 states have (on average 215.33333333333334) internal successors, (646), 3 states have internal predecessors, (646), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-27 20:53:01,915 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-27 20:53:01,916 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 203 of 382 [2023-01-27 20:53:01,916 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-27 20:53:06,227 INFO L130 PetriNetUnfolder]: 27865/43898 cut-off events. [2023-01-27 20:53:06,227 INFO L131 PetriNetUnfolder]: For 48978/52747 co-relation queries the response was YES. [2023-01-27 20:53:06,801 INFO L83 FinitePrefix]: Finished finitePrefix Result has 127988 conditions, 43898 events. 27865/43898 cut-off events. For 48978/52747 co-relation queries the response was YES. Maximal size of possible extension queue 1245. Compared 327683 event pairs, 13933 based on Foata normal form. 720/39779 useless extension candidates. Maximal degree in co-relation 127947. Up to 26541 conditions per place. [2023-01-27 20:53:06,953 INFO L137 encePairwiseOnDemand]: 379/382 looper letters, 173 selfloop transitions, 3 changer transitions 0/448 dead transitions. [2023-01-27 20:53:06,953 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 216 places, 448 transitions, 2910 flow [2023-01-27 20:53:06,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-01-27 20:53:06,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-01-27 20:53:06,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 673 transitions. [2023-01-27 20:53:06,955 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.587260034904014 [2023-01-27 20:53:06,955 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 673 transitions. [2023-01-27 20:53:06,955 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 673 transitions. [2023-01-27 20:53:06,955 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-27 20:53:06,955 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 673 transitions. [2023-01-27 20:53:06,956 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 224.33333333333334) internal successors, (673), 3 states have internal predecessors, (673), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-27 20:53:06,957 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 382.0) internal successors, (1528), 4 states have internal predecessors, (1528), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-27 20:53:06,957 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 382.0) internal successors, (1528), 4 states have internal predecessors, (1528), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-27 20:53:06,958 INFO L175 Difference]: Start difference. First operand has 214 places, 427 transitions, 2488 flow. Second operand 3 states and 673 transitions. [2023-01-27 20:53:06,958 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 216 places, 448 transitions, 2910 flow [2023-01-27 20:53:07,287 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 213 places, 448 transitions, 2900 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-01-27 20:53:07,291 INFO L231 Difference]: Finished difference. Result has 214 places, 426 transitions, 2489 flow [2023-01-27 20:53:07,292 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=382, PETRI_DIFFERENCE_MINUEND_FLOW=2478, PETRI_DIFFERENCE_MINUEND_PLACES=211, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=426, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=423, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2489, PETRI_PLACES=214, PETRI_TRANSITIONS=426} [2023-01-27 20:53:07,293 INFO L281 CegarLoopForPetriNet]: 91 programPoint places, 123 predicate places. [2023-01-27 20:53:07,293 INFO L495 AbstractCegarLoop]: Abstraction has has 214 places, 426 transitions, 2489 flow [2023-01-27 20:53:07,293 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 215.33333333333334) internal successors, (646), 3 states have internal predecessors, (646), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-27 20:53:07,293 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-27 20:53:07,293 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-27 20:53:07,293 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-01-27 20:53:07,294 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err9INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2023-01-27 20:53:07,294 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-27 20:53:07,294 INFO L85 PathProgramCache]: Analyzing trace with hash 550546311, now seen corresponding path program 7 times [2023-01-27 20:53:07,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-27 20:53:07,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349591592] [2023-01-27 20:53:07,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-27 20:53:07,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-27 20:53:07,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-27 20:53:08,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-27 20:53:08,324 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-27 20:53:08,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [349591592] [2023-01-27 20:53:08,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [349591592] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-27 20:53:08,325 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-27 20:53:08,325 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-01-27 20:53:08,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068483221] [2023-01-27 20:53:08,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-27 20:53:08,326 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2023-01-27 20:53:08,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-27 20:53:08,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-01-27 20:53:08,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=378, Unknown=0, NotChecked=0, Total=420 [2023-01-27 20:53:08,329 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 171 out of 382 [2023-01-27 20:53:08,332 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 214 places, 426 transitions, 2489 flow. Second operand has 21 states, 21 states have (on average 173.28571428571428) internal successors, (3639), 21 states have internal predecessors, (3639), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-27 20:53:08,332 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-27 20:53:08,332 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 171 of 382 [2023-01-27 20:53:08,332 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-27 20:53:22,724 INFO L130 PetriNetUnfolder]: 74458/102565 cut-off events. [2023-01-27 20:53:22,724 INFO L131 PetriNetUnfolder]: For 183441/183515 co-relation queries the response was YES. [2023-01-27 20:53:23,492 INFO L83 FinitePrefix]: Finished finitePrefix Result has 351052 conditions, 102565 events. 74458/102565 cut-off events. For 183441/183515 co-relation queries the response was YES. Maximal size of possible extension queue 2216. Compared 631829 event pairs, 9445 based on Foata normal form. 23/99403 useless extension candidates. Maximal degree in co-relation 351010. Up to 63494 conditions per place. [2023-01-27 20:53:23,803 INFO L137 encePairwiseOnDemand]: 362/382 looper letters, 847 selfloop transitions, 432 changer transitions 55/1357 dead transitions. [2023-01-27 20:53:23,804 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 291 places, 1357 transitions, 10028 flow [2023-01-27 20:53:23,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2023-01-27 20:53:23,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2023-01-27 20:53:23,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 14220 transitions. [2023-01-27 20:53:23,814 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.47724526782118404 [2023-01-27 20:53:23,815 INFO L72 ComplementDD]: Start complementDD. Operand 78 states and 14220 transitions. [2023-01-27 20:53:23,815 INFO L73 IsDeterministic]: Start isDeterministic. Operand 78 states and 14220 transitions. [2023-01-27 20:53:23,818 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-27 20:53:23,818 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 78 states and 14220 transitions. [2023-01-27 20:53:23,834 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 79 states, 78 states have (on average 182.30769230769232) internal successors, (14220), 78 states have internal predecessors, (14220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-27 20:53:23,855 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 79 states, 79 states have (on average 382.0) internal successors, (30178), 79 states have internal predecessors, (30178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-27 20:53:23,860 INFO L81 ComplementDD]: Finished complementDD. Result has 79 states, 79 states have (on average 382.0) internal successors, (30178), 79 states have internal predecessors, (30178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-27 20:53:23,860 INFO L175 Difference]: Start difference. First operand has 214 places, 426 transitions, 2489 flow. Second operand 78 states and 14220 transitions. [2023-01-27 20:53:23,861 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 291 places, 1357 transitions, 10028 flow [2023-01-27 20:53:27,629 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 289 places, 1357 transitions, 10022 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-01-27 20:53:27,639 INFO L231 Difference]: Finished difference. Result has 322 places, 800 transitions, 6768 flow [2023-01-27 20:53:27,639 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=382, PETRI_DIFFERENCE_MINUEND_FLOW=2483, PETRI_DIFFERENCE_MINUEND_PLACES=212, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=426, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=107, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=295, PETRI_DIFFERENCE_SUBTRAHEND_STATES=78, PETRI_FLOW=6768, PETRI_PLACES=322, PETRI_TRANSITIONS=800} [2023-01-27 20:53:27,640 INFO L281 CegarLoopForPetriNet]: 91 programPoint places, 231 predicate places. [2023-01-27 20:53:27,640 INFO L495 AbstractCegarLoop]: Abstraction has has 322 places, 800 transitions, 6768 flow [2023-01-27 20:53:27,641 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 173.28571428571428) internal successors, (3639), 21 states have internal predecessors, (3639), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-27 20:53:27,641 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-27 20:53:27,641 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-27 20:53:27,641 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-01-27 20:53:27,641 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err9INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2023-01-27 20:53:27,642 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-27 20:53:27,642 INFO L85 PathProgramCache]: Analyzing trace with hash 1185867669, now seen corresponding path program 8 times [2023-01-27 20:53:27,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-27 20:53:27,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [643392392] [2023-01-27 20:53:27,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-27 20:53:27,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-27 20:53:27,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-27 20:53:28,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-27 20:53:28,464 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-27 20:53:28,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [643392392] [2023-01-27 20:53:28,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [643392392] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-27 20:53:28,465 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-27 20:53:28,465 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2023-01-27 20:53:28,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061736476] [2023-01-27 20:53:28,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-27 20:53:28,465 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-01-27 20:53:28,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-27 20:53:28,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-01-27 20:53:28,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=339, Unknown=0, NotChecked=0, Total=380 [2023-01-27 20:53:28,469 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 382 [2023-01-27 20:53:28,471 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 322 places, 800 transitions, 6768 flow. Second operand has 20 states, 20 states have (on average 174.4) internal successors, (3488), 20 states have internal predecessors, (3488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-27 20:53:28,471 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-27 20:53:28,471 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 382 [2023-01-27 20:53:28,471 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-27 20:53:47,319 INFO L130 PetriNetUnfolder]: 87497/120383 cut-off events. [2023-01-27 20:53:47,319 INFO L131 PetriNetUnfolder]: For 845281/845295 co-relation queries the response was YES. [2023-01-27 20:53:48,917 INFO L83 FinitePrefix]: Finished finitePrefix Result has 513007 conditions, 120383 events. 87497/120383 cut-off events. For 845281/845295 co-relation queries the response was YES. Maximal size of possible extension queue 2483. Compared 752140 event pairs, 24468 based on Foata normal form. 15/116423 useless extension candidates. Maximal degree in co-relation 512932. Up to 95180 conditions per place. [2023-01-27 20:53:49,313 INFO L137 encePairwiseOnDemand]: 363/382 looper letters, 1100 selfloop transitions, 247 changer transitions 20/1390 dead transitions. [2023-01-27 20:53:49,313 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 364 places, 1390 transitions, 13463 flow [2023-01-27 20:53:49,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2023-01-27 20:53:49,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2023-01-27 20:53:49,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 8307 transitions. [2023-01-27 20:53:49,321 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.48324607329842934 [2023-01-27 20:53:49,321 INFO L72 ComplementDD]: Start complementDD. Operand 45 states and 8307 transitions. [2023-01-27 20:53:49,321 INFO L73 IsDeterministic]: Start isDeterministic. Operand 45 states and 8307 transitions. [2023-01-27 20:53:49,323 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-27 20:53:49,323 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 45 states and 8307 transitions. [2023-01-27 20:53:49,330 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 46 states, 45 states have (on average 184.6) internal successors, (8307), 45 states have internal predecessors, (8307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-27 20:53:49,341 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 46 states, 46 states have (on average 382.0) internal successors, (17572), 46 states have internal predecessors, (17572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-27 20:53:49,342 INFO L81 ComplementDD]: Finished complementDD. Result has 46 states, 46 states have (on average 382.0) internal successors, (17572), 46 states have internal predecessors, (17572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-27 20:53:49,342 INFO L175 Difference]: Start difference. First operand has 322 places, 800 transitions, 6768 flow. Second operand 45 states and 8307 transitions. [2023-01-27 20:53:49,342 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 364 places, 1390 transitions, 13463 flow [2023-01-27 20:54:05,133 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 360 places, 1390 transitions, 12289 flow, removed 541 selfloop flow, removed 4 redundant places. [2023-01-27 20:54:05,145 INFO L231 Difference]: Finished difference. Result has 374 places, 1025 transitions, 8974 flow [2023-01-27 20:54:05,145 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=382, PETRI_DIFFERENCE_MINUEND_FLOW=5641, PETRI_DIFFERENCE_MINUEND_PLACES=316, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=800, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=60, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=705, PETRI_DIFFERENCE_SUBTRAHEND_STATES=45, PETRI_FLOW=8974, PETRI_PLACES=374, PETRI_TRANSITIONS=1025} [2023-01-27 20:54:05,146 INFO L281 CegarLoopForPetriNet]: 91 programPoint places, 283 predicate places. [2023-01-27 20:54:05,146 INFO L495 AbstractCegarLoop]: Abstraction has has 374 places, 1025 transitions, 8974 flow [2023-01-27 20:54:05,147 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 174.4) internal successors, (3488), 20 states have internal predecessors, (3488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-27 20:54:05,147 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-27 20:54:05,147 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-27 20:54:05,147 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-01-27 20:54:05,147 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err9INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2023-01-27 20:54:05,147 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-27 20:54:05,147 INFO L85 PathProgramCache]: Analyzing trace with hash 414408044, now seen corresponding path program 2 times [2023-01-27 20:54:05,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-27 20:54:05,147 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [40928182] [2023-01-27 20:54:05,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-27 20:54:05,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-27 20:54:05,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-27 20:54:05,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-27 20:54:05,825 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-27 20:54:05,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [40928182] [2023-01-27 20:54:05,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [40928182] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-27 20:54:05,826 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-27 20:54:05,826 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2023-01-27 20:54:05,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624521560] [2023-01-27 20:54:05,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-27 20:54:05,826 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-01-27 20:54:05,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-27 20:54:05,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-01-27 20:54:05,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=306, Unknown=0, NotChecked=0, Total=342 [2023-01-27 20:54:05,829 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 382 [2023-01-27 20:54:05,830 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 374 places, 1025 transitions, 8974 flow. Second operand has 19 states, 19 states have (on average 174.52631578947367) internal successors, (3316), 19 states have internal predecessors, (3316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-27 20:54:05,830 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-27 20:54:05,831 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 382 [2023-01-27 20:54:05,831 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-27 20:54:32,739 INFO L130 PetriNetUnfolder]: 105363/144544 cut-off events. [2023-01-27 20:54:32,739 INFO L131 PetriNetUnfolder]: For 1411209/1411265 co-relation queries the response was YES. [2023-01-27 20:54:35,081 INFO L83 FinitePrefix]: Finished finitePrefix Result has 654930 conditions, 144544 events. 105363/144544 cut-off events. For 1411209/1411265 co-relation queries the response was YES. Maximal size of possible extension queue 2823. Compared 918942 event pairs, 28427 based on Foata normal form. 35/139737 useless extension candidates. Maximal degree in co-relation 654841. Up to 110921 conditions per place. [2023-01-27 20:54:35,608 INFO L137 encePairwiseOnDemand]: 364/382 looper letters, 1312 selfloop transitions, 296 changer transitions 31/1662 dead transitions. [2023-01-27 20:54:35,609 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 423 places, 1662 transitions, 17149 flow [2023-01-27 20:54:35,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2023-01-27 20:54:35,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2023-01-27 20:54:35,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 9230 transitions. [2023-01-27 20:54:35,615 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.48324607329842934 [2023-01-27 20:54:35,615 INFO L72 ComplementDD]: Start complementDD. Operand 50 states and 9230 transitions. [2023-01-27 20:54:35,615 INFO L73 IsDeterministic]: Start isDeterministic. Operand 50 states and 9230 transitions. [2023-01-27 20:54:35,617 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-27 20:54:35,617 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 50 states and 9230 transitions. [2023-01-27 20:54:35,627 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 51 states, 50 states have (on average 184.6) internal successors, (9230), 50 states have internal predecessors, (9230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-27 20:54:35,639 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 51 states, 51 states have (on average 382.0) internal successors, (19482), 51 states have internal predecessors, (19482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-27 20:54:35,640 INFO L81 ComplementDD]: Finished complementDD. Result has 51 states, 51 states have (on average 382.0) internal successors, (19482), 51 states have internal predecessors, (19482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-27 20:54:35,640 INFO L175 Difference]: Start difference. First operand has 374 places, 1025 transitions, 8974 flow. Second operand 50 states and 9230 transitions. [2023-01-27 20:54:35,640 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 423 places, 1662 transitions, 17149 flow [2023-01-27 20:55:04,012 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 421 places, 1662 transitions, 16056 flow, removed 541 selfloop flow, removed 2 redundant places. [2023-01-27 20:55:04,029 INFO L231 Difference]: Finished difference. Result has 451 places, 1239 transitions, 11793 flow [2023-01-27 20:55:04,030 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=382, PETRI_DIFFERENCE_MINUEND_FLOW=7909, PETRI_DIFFERENCE_MINUEND_PLACES=372, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1025, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=105, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=898, PETRI_DIFFERENCE_SUBTRAHEND_STATES=50, PETRI_FLOW=11793, PETRI_PLACES=451, PETRI_TRANSITIONS=1239} [2023-01-27 20:55:04,031 INFO L281 CegarLoopForPetriNet]: 91 programPoint places, 360 predicate places. [2023-01-27 20:55:04,031 INFO L495 AbstractCegarLoop]: Abstraction has has 451 places, 1239 transitions, 11793 flow [2023-01-27 20:55:04,032 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 174.52631578947367) internal successors, (3316), 19 states have internal predecessors, (3316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-27 20:55:04,032 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-27 20:55:04,032 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-27 20:55:04,032 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-01-27 20:55:04,032 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err9INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2023-01-27 20:55:04,032 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-27 20:55:04,033 INFO L85 PathProgramCache]: Analyzing trace with hash -1933339520, now seen corresponding path program 3 times [2023-01-27 20:55:04,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-27 20:55:04,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843464708] [2023-01-27 20:55:04,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-27 20:55:04,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-27 20:55:04,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-27 20:55:04,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-27 20:55:04,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-27 20:55:04,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [843464708] [2023-01-27 20:55:04,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [843464708] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-27 20:55:04,899 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-27 20:55:04,899 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-01-27 20:55:04,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294967104] [2023-01-27 20:55:04,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-27 20:55:04,899 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2023-01-27 20:55:04,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-27 20:55:04,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-01-27 20:55:04,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=376, Unknown=0, NotChecked=0, Total=420 [2023-01-27 20:55:04,902 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 171 out of 382 [2023-01-27 20:55:04,904 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 451 places, 1239 transitions, 11793 flow. Second operand has 21 states, 21 states have (on average 173.28571428571428) internal successors, (3639), 21 states have internal predecessors, (3639), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-27 20:55:04,904 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-27 20:55:04,904 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 171 of 382 [2023-01-27 20:55:04,904 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-27 20:55:42,244 INFO L130 PetriNetUnfolder]: 124511/170189 cut-off events. [2023-01-27 20:55:42,244 INFO L131 PetriNetUnfolder]: For 2466777/2466917 co-relation queries the response was YES. [2023-01-27 20:55:46,129 INFO L83 FinitePrefix]: Finished finitePrefix Result has 871695 conditions, 170189 events. 124511/170189 cut-off events. For 2466777/2466917 co-relation queries the response was YES. Maximal size of possible extension queue 3235. Compared 1094619 event pairs, 21266 based on Foata normal form. 27/164501 useless extension candidates. Maximal degree in co-relation 871576. Up to 130171 conditions per place. [2023-01-27 20:55:47,013 INFO L137 encePairwiseOnDemand]: 361/382 looper letters, 1600 selfloop transitions, 465 changer transitions 28/2116 dead transitions. [2023-01-27 20:55:47,013 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 516 places, 2116 transitions, 24434 flow [2023-01-27 20:55:47,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2023-01-27 20:55:47,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2023-01-27 20:55:47,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 12517 transitions. [2023-01-27 20:55:47,027 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.48186787804126885 [2023-01-27 20:55:47,027 INFO L72 ComplementDD]: Start complementDD. Operand 68 states and 12517 transitions. [2023-01-27 20:55:47,028 INFO L73 IsDeterministic]: Start isDeterministic. Operand 68 states and 12517 transitions. [2023-01-27 20:55:47,030 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-27 20:55:47,030 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 68 states and 12517 transitions. [2023-01-27 20:55:47,044 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 69 states, 68 states have (on average 184.0735294117647) internal successors, (12517), 68 states have internal predecessors, (12517), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-27 20:55:47,062 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 69 states, 69 states have (on average 382.0) internal successors, (26358), 69 states have internal predecessors, (26358), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-27 20:55:47,065 INFO L81 ComplementDD]: Finished complementDD. Result has 69 states, 69 states have (on average 382.0) internal successors, (26358), 69 states have internal predecessors, (26358), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-27 20:55:47,066 INFO L175 Difference]: Start difference. First operand has 451 places, 1239 transitions, 11793 flow. Second operand 68 states and 12517 transitions. [2023-01-27 20:55:47,066 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 516 places, 2116 transitions, 24434 flow [2023-01-27 20:56:59,366 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 514 places, 2116 transitions, 22610 flow, removed 912 selfloop flow, removed 2 redundant places. [2023-01-27 20:56:59,386 INFO L231 Difference]: Finished difference. Result has 534 places, 1528 transitions, 17065 flow [2023-01-27 20:56:59,387 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=382, PETRI_DIFFERENCE_MINUEND_FLOW=10543, PETRI_DIFFERENCE_MINUEND_PLACES=447, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1239, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=221, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1000, PETRI_DIFFERENCE_SUBTRAHEND_STATES=68, PETRI_FLOW=17065, PETRI_PLACES=534, PETRI_TRANSITIONS=1528} [2023-01-27 20:56:59,389 INFO L281 CegarLoopForPetriNet]: 91 programPoint places, 443 predicate places. [2023-01-27 20:56:59,389 INFO L495 AbstractCegarLoop]: Abstraction has has 534 places, 1528 transitions, 17065 flow [2023-01-27 20:56:59,390 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 173.28571428571428) internal successors, (3639), 21 states have internal predecessors, (3639), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-27 20:56:59,390 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-27 20:56:59,390 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-27 20:56:59,390 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-01-27 20:56:59,390 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err9INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2023-01-27 20:56:59,390 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-27 20:56:59,391 INFO L85 PathProgramCache]: Analyzing trace with hash 826324598, now seen corresponding path program 4 times [2023-01-27 20:56:59,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-27 20:56:59,391 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368433836] [2023-01-27 20:56:59,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-27 20:56:59,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-27 20:56:59,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-27 20:57:00,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-27 20:57:00,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-27 20:57:00,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368433836] [2023-01-27 20:57:00,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [368433836] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-27 20:57:00,072 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-27 20:57:00,072 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2023-01-27 20:57:00,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26431851] [2023-01-27 20:57:00,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-27 20:57:00,073 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-01-27 20:57:00,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-27 20:57:00,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-01-27 20:57:00,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=305, Unknown=0, NotChecked=0, Total=342 [2023-01-27 20:57:00,076 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 382 [2023-01-27 20:57:00,078 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 534 places, 1528 transitions, 17065 flow. Second operand has 19 states, 19 states have (on average 174.52631578947367) internal successors, (3316), 19 states have internal predecessors, (3316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-27 20:57:00,078 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-27 20:57:00,078 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 382 [2023-01-27 20:57:00,078 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-27 20:57:46,686 INFO L130 PetriNetUnfolder]: 135079/184472 cut-off events. [2023-01-27 20:57:46,687 INFO L131 PetriNetUnfolder]: For 3668539/3668627 co-relation queries the response was YES. [2023-01-27 20:57:51,542 INFO L83 FinitePrefix]: Finished finitePrefix Result has 978370 conditions, 184472 events. 135079/184472 cut-off events. For 3668539/3668627 co-relation queries the response was YES. Maximal size of possible extension queue 3576. Compared 1194129 event pairs, 32993 based on Foata normal form. 15/177800 useless extension candidates. Maximal degree in co-relation 978232. Up to 143022 conditions per place. [2023-01-27 20:57:52,262 INFO L137 encePairwiseOnDemand]: 364/382 looper letters, 1468 selfloop transitions, 625 changer transitions 31/2147 dead transitions. [2023-01-27 20:57:52,262 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 571 places, 2147 transitions, 25823 flow [2023-01-27 20:57:52,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-01-27 20:57:52,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2023-01-27 20:57:52,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 7280 transitions. [2023-01-27 20:57:52,268 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4886561954624782 [2023-01-27 20:57:52,268 INFO L72 ComplementDD]: Start complementDD. Operand 39 states and 7280 transitions. [2023-01-27 20:57:52,268 INFO L73 IsDeterministic]: Start isDeterministic. Operand 39 states and 7280 transitions. [2023-01-27 20:57:52,269 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-27 20:57:52,269 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 39 states and 7280 transitions. [2023-01-27 20:57:52,276 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 40 states, 39 states have (on average 186.66666666666666) internal successors, (7280), 39 states have internal predecessors, (7280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-27 20:57:52,285 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 40 states, 40 states have (on average 382.0) internal successors, (15280), 40 states have internal predecessors, (15280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-27 20:57:52,286 INFO L81 ComplementDD]: Finished complementDD. Result has 40 states, 40 states have (on average 382.0) internal successors, (15280), 40 states have internal predecessors, (15280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-27 20:57:52,287 INFO L175 Difference]: Start difference. First operand has 534 places, 1528 transitions, 17065 flow. Second operand 39 states and 7280 transitions. [2023-01-27 20:57:52,287 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 571 places, 2147 transitions, 25823 flow [2023-01-27 20:59:27,890 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 567 places, 2147 transitions, 21631 flow, removed 2007 selfloop flow, removed 4 redundant places. [2023-01-27 20:59:27,914 INFO L231 Difference]: Finished difference. Result has 581 places, 1726 transitions, 17192 flow [2023-01-27 20:59:27,915 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=382, PETRI_DIFFERENCE_MINUEND_FLOW=12879, PETRI_DIFFERENCE_MINUEND_PLACES=529, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1528, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=436, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1060, PETRI_DIFFERENCE_SUBTRAHEND_STATES=39, PETRI_FLOW=17192, PETRI_PLACES=581, PETRI_TRANSITIONS=1726} [2023-01-27 20:59:27,916 INFO L281 CegarLoopForPetriNet]: 91 programPoint places, 490 predicate places. [2023-01-27 20:59:27,916 INFO L495 AbstractCegarLoop]: Abstraction has has 581 places, 1726 transitions, 17192 flow [2023-01-27 20:59:27,917 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 174.52631578947367) internal successors, (3316), 19 states have internal predecessors, (3316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-27 20:59:27,917 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-27 20:59:27,917 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-27 20:59:27,917 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-01-27 20:59:27,917 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err9INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2023-01-27 20:59:27,917 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-27 20:59:27,918 INFO L85 PathProgramCache]: Analyzing trace with hash 2028488910, now seen corresponding path program 5 times [2023-01-27 20:59:27,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-27 20:59:27,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [582642733] [2023-01-27 20:59:27,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-27 20:59:27,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-27 20:59:27,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-27 20:59:28,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-27 20:59:28,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-27 20:59:28,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [582642733] [2023-01-27 20:59:28,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [582642733] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-27 20:59:28,651 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-27 20:59:28,651 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2023-01-27 20:59:28,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555087263] [2023-01-27 20:59:28,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-27 20:59:28,651 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-01-27 20:59:28,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-27 20:59:28,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-01-27 20:59:28,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=305, Unknown=0, NotChecked=0, Total=342 [2023-01-27 20:59:28,654 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 382 [2023-01-27 20:59:28,656 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 581 places, 1726 transitions, 17192 flow. Second operand has 19 states, 19 states have (on average 174.52631578947367) internal successors, (3316), 19 states have internal predecessors, (3316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-27 20:59:28,656 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-27 20:59:28,656 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 382 [2023-01-27 20:59:28,656 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-27 21:00:25,660 INFO L130 PetriNetUnfolder]: 151281/206792 cut-off events. [2023-01-27 21:00:25,660 INFO L131 PetriNetUnfolder]: For 4578481/4578683 co-relation queries the response was YES. [2023-01-27 21:00:31,948 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1101231 conditions, 206792 events. 151281/206792 cut-off events. For 4578481/4578683 co-relation queries the response was YES. Maximal size of possible extension queue 4198. Compared 1361576 event pairs, 46405 based on Foata normal form. 35/199455 useless extension candidates. Maximal degree in co-relation 1101079. Up to 170965 conditions per place. [2023-01-27 21:00:32,946 INFO L137 encePairwiseOnDemand]: 364/382 looper letters, 2100 selfloop transitions, 348 changer transitions 31/2502 dead transitions. [2023-01-27 21:00:32,946 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 638 places, 2502 transitions, 30241 flow [2023-01-27 21:00:32,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2023-01-27 21:00:32,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2023-01-27 21:00:32,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 11115 transitions. [2023-01-27 21:00:32,952 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4849476439790576 [2023-01-27 21:00:32,952 INFO L72 ComplementDD]: Start complementDD. Operand 60 states and 11115 transitions. [2023-01-27 21:00:32,952 INFO L73 IsDeterministic]: Start isDeterministic. Operand 60 states and 11115 transitions. [2023-01-27 21:00:32,953 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-27 21:00:32,953 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 60 states and 11115 transitions. [2023-01-27 21:00:32,959 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 61 states, 60 states have (on average 185.25) internal successors, (11115), 60 states have internal predecessors, (11115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-27 21:00:32,971 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 61 states, 61 states have (on average 382.0) internal successors, (23302), 61 states have internal predecessors, (23302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-27 21:00:32,972 INFO L81 ComplementDD]: Finished complementDD. Result has 61 states, 61 states have (on average 382.0) internal successors, (23302), 61 states have internal predecessors, (23302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-27 21:00:32,973 INFO L175 Difference]: Start difference. First operand has 581 places, 1726 transitions, 17192 flow. Second operand 60 states and 11115 transitions. [2023-01-27 21:00:32,973 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 638 places, 2502 transitions, 30241 flow [2023-01-27 21:02:34,656 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 630 places, 2502 transitions, 28843 flow, removed 434 selfloop flow, removed 8 redundant places. [2023-01-27 21:02:34,680 INFO L231 Difference]: Finished difference. Result has 642 places, 1984 transitions, 22698 flow [2023-01-27 21:02:34,681 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=382, PETRI_DIFFERENCE_MINUEND_FLOW=15868, PETRI_DIFFERENCE_MINUEND_PLACES=571, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1726, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=127, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1579, PETRI_DIFFERENCE_SUBTRAHEND_STATES=60, PETRI_FLOW=22698, PETRI_PLACES=642, PETRI_TRANSITIONS=1984} [2023-01-27 21:02:34,682 INFO L281 CegarLoopForPetriNet]: 91 programPoint places, 551 predicate places. [2023-01-27 21:02:34,682 INFO L495 AbstractCegarLoop]: Abstraction has has 642 places, 1984 transitions, 22698 flow [2023-01-27 21:02:34,682 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 174.52631578947367) internal successors, (3316), 19 states have internal predecessors, (3316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-27 21:02:34,682 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-27 21:02:34,683 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-27 21:02:34,683 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-01-27 21:02:34,683 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err9INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2023-01-27 21:02:34,683 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-27 21:02:34,683 INFO L85 PathProgramCache]: Analyzing trace with hash 649576424, now seen corresponding path program 6 times [2023-01-27 21:02:34,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-27 21:02:34,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [587705010] [2023-01-27 21:02:34,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-27 21:02:34,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-27 21:02:34,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-27 21:02:35,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-27 21:02:35,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-27 21:02:35,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [587705010] [2023-01-27 21:02:35,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [587705010] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-27 21:02:35,470 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-27 21:02:35,470 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2023-01-27 21:02:35,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997224037] [2023-01-27 21:02:35,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-27 21:02:35,470 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-01-27 21:02:35,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-27 21:02:35,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-01-27 21:02:35,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=338, Unknown=0, NotChecked=0, Total=380 [2023-01-27 21:02:35,473 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 382 [2023-01-27 21:02:35,475 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 642 places, 1984 transitions, 22698 flow. Second operand has 20 states, 20 states have (on average 174.4) internal successors, (3488), 20 states have internal predecessors, (3488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-27 21:02:35,475 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-27 21:02:35,475 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 382 [2023-01-27 21:02:35,475 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-27 21:03:47,533 INFO L130 PetriNetUnfolder]: 177187/240551 cut-off events. [2023-01-27 21:03:47,533 INFO L131 PetriNetUnfolder]: For 5444976/5445124 co-relation queries the response was YES. [2023-01-27 21:03:55,216 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1313480 conditions, 240551 events. 177187/240551 cut-off events. For 5444976/5445124 co-relation queries the response was YES. Maximal size of possible extension queue 5165. Compared 1592889 event pairs, 35986 based on Foata normal form. 27/232319 useless extension candidates. Maximal degree in co-relation 1313316. Up to 172093 conditions per place. [2023-01-27 21:03:56,386 INFO L137 encePairwiseOnDemand]: 363/382 looper letters, 1850 selfloop transitions, 955 changer transitions 28/2856 dead transitions. [2023-01-27 21:03:56,386 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 693 places, 2856 transitions, 36039 flow [2023-01-27 21:03:56,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2023-01-27 21:03:56,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2023-01-27 21:03:56,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 10050 transitions. [2023-01-27 21:03:56,392 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4872018615474113 [2023-01-27 21:03:56,392 INFO L72 ComplementDD]: Start complementDD. Operand 54 states and 10050 transitions. [2023-01-27 21:03:56,392 INFO L73 IsDeterministic]: Start isDeterministic. Operand 54 states and 10050 transitions. [2023-01-27 21:03:56,394 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-27 21:03:56,394 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 54 states and 10050 transitions. [2023-01-27 21:03:56,402 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 55 states, 54 states have (on average 186.11111111111111) internal successors, (10050), 54 states have internal predecessors, (10050), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-27 21:03:56,414 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 55 states, 55 states have (on average 382.0) internal successors, (21010), 55 states have internal predecessors, (21010), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-27 21:03:56,416 INFO L81 ComplementDD]: Finished complementDD. Result has 55 states, 55 states have (on average 382.0) internal successors, (21010), 55 states have internal predecessors, (21010), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-27 21:03:56,416 INFO L175 Difference]: Start difference. First operand has 642 places, 1984 transitions, 22698 flow. Second operand 54 states and 10050 transitions. [2023-01-27 21:03:56,416 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 693 places, 2856 transitions, 36039 flow Received shutdown request... [2023-01-27 21:04:17,607 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-01-27 21:04:17,654 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (10 of 11 remaining) [2023-01-27 21:04:17,654 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-01-27 21:04:17,654 WARN L619 AbstractCegarLoop]: Verification canceled: while executing RemoveRedundantFlow. [2023-01-27 21:04:17,656 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 11 remaining) [2023-01-27 21:04:17,656 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err9INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 11 remaining) [2023-01-27 21:04:17,656 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 11 remaining) [2023-01-27 21:04:17,656 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 11 remaining) [2023-01-27 21:04:17,656 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Err0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 11 remaining) [2023-01-27 21:04:17,657 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Err8INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 11 remaining) [2023-01-27 21:04:17,657 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Thread1of1ForFork0Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 11 remaining) [2023-01-27 21:04:17,657 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Thread1of1ForFork0Err6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 11 remaining) [2023-01-27 21:04:17,657 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Thread1of1ForFork3Err4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 11 remaining) [2023-01-27 21:04:17,657 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Thread1of1ForFork3Err7INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 11 remaining) [2023-01-27 21:04:17,658 INFO L445 BasicCegarLoop]: Path program histogram: [8, 6, 1] [2023-01-27 21:04:17,660 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-01-27 21:04:17,661 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-01-27 21:04:17,663 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.01 09:04:17 BasicIcfg [2023-01-27 21:04:17,663 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-01-27 21:04:17,663 INFO L158 Benchmark]: Toolchain (without parser) took 732990.20ms. Allocated memory was 369.1MB in the beginning and 16.0GB in the end (delta: 15.6GB). Free memory was 305.0MB in the beginning and 8.6GB in the end (delta: -8.3GB). Peak memory consumption was 8.0GB. Max. memory is 16.0GB. [2023-01-27 21:04:17,663 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 369.1MB. Free memory is still 312.7MB. There was no memory consumed. Max. memory is 16.0GB. [2023-01-27 21:04:17,664 INFO L158 Benchmark]: CACSL2BoogieTranslator took 240.82ms. Allocated memory is still 369.1MB. Free memory was 304.7MB in the beginning and 292.4MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.0GB. [2023-01-27 21:04:17,664 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.58ms. Allocated memory is still 369.1MB. Free memory was 292.4MB in the beginning and 290.1MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-01-27 21:04:17,664 INFO L158 Benchmark]: Boogie Preprocessor took 34.07ms. Allocated memory is still 369.1MB. Free memory was 290.1MB in the beginning and 288.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-01-27 21:04:17,664 INFO L158 Benchmark]: RCFGBuilder took 636.04ms. Allocated memory was 369.1MB in the beginning and 618.7MB in the end (delta: 249.6MB). Free memory was 288.2MB in the beginning and 565.6MB in the end (delta: -277.4MB). Peak memory consumption was 15.9MB. Max. memory is 16.0GB. [2023-01-27 21:04:17,665 INFO L158 Benchmark]: TraceAbstraction took 732011.22ms. Allocated memory was 618.7MB in the beginning and 16.0GB in the end (delta: 15.4GB). Free memory was 564.6MB in the beginning and 8.6GB in the end (delta: -8.1GB). Peak memory consumption was 8.0GB. Max. memory is 16.0GB. [2023-01-27 21:04:17,666 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 369.1MB. Free memory is still 312.7MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 240.82ms. Allocated memory is still 369.1MB. Free memory was 304.7MB in the beginning and 292.4MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 62.58ms. Allocated memory is still 369.1MB. Free memory was 292.4MB in the beginning and 290.1MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 34.07ms. Allocated memory is still 369.1MB. Free memory was 290.1MB in the beginning and 288.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 636.04ms. Allocated memory was 369.1MB in the beginning and 618.7MB in the end (delta: 249.6MB). Free memory was 288.2MB in the beginning and 565.6MB in the end (delta: -277.4MB). Peak memory consumption was 15.9MB. Max. memory is 16.0GB. * TraceAbstraction took 732011.22ms. Allocated memory was 618.7MB in the beginning and 16.0GB in the end (delta: 15.4GB). Free memory was 564.6MB in the beginning and 8.6GB in the end (delta: -8.1GB). Peak memory consumption was 8.0GB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4.2s, 211 PlacesBefore, 91 PlacesAfterwards, 200 TransitionsBefore, 78 TransitionsAfterwards, 7268 CoEnabledTransitionPairs, 8 FixpointIterations, 87 TrivialSequentialCompositions, 42 ConcurrentSequentialCompositions, 7 TrivialYvCompositions, 4 ConcurrentYvCompositions, 2 ChoiceCompositions, 142 TotalNumberOfCompositions, 54922 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 25970, independent: 25097, independent conditional: 0, independent unconditional: 25097, dependent: 873, dependent conditional: 0, dependent unconditional: 873, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 3628, independent: 3554, independent conditional: 0, independent unconditional: 3554, dependent: 74, dependent conditional: 0, dependent unconditional: 74, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 25970, independent: 21543, independent conditional: 0, independent unconditional: 21543, dependent: 799, dependent conditional: 0, dependent unconditional: 799, unknown: 3628, unknown conditional: 0, unknown unconditional: 3628] , Statistics on independence cache: Total cache size (in pairs): 1208, Positive cache size: 1164, Positive conditional cache size: 0, Positive unconditional cache size: 1164, Negative cache size: 44, Negative conditional cache size: 0, Negative unconditional cache size: 44, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - TimeoutResultAtElement [Line: 198]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 101]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 102]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 192]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 193]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 164]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 165]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 101]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 102]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 164]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing RemoveRedundantFlow. - TimeoutResultAtElement [Line: 165]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing RemoveRedundantFlow. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 13 procedures, 317 locations, 11 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 731.8s, OverallIterations: 15, TraceHistogramMax: 1, PathProgramHistogramMax: 8, EmptinessCheckTime: 0.0s, AutomataDifference: 716.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.4s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6479 SdHoareTripleChecker+Valid, 26.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6479 mSDsluCounter, 707 SdHoareTripleChecker+Invalid, 21.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 409 mSDsCounter, 198 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 62813 IncrementalHoareTripleChecker+Invalid, 63011 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 198 mSolverCounterUnsat, 298 mSDtfsCounter, 62813 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 612 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 600 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9500 ImplicationChecksByTransitivity, 12.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22698occurred in iteration=14, InterpolantAutomatonStates: 493, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 9.1s InterpolantComputationTime, 1063 NumberOfCodeBlocks, 1063 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1048 ConstructedInterpolants, 0 QuantifiedInterpolants, 12582 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 15 InterpolantComputations, 15 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown