/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-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/parallel-barrier.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-bf34d27 [2022-01-19 01:09:32,204 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-19 01:09:32,205 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-19 01:09:32,243 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-19 01:09:32,243 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-19 01:09:32,246 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-19 01:09:32,249 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-19 01:09:32,250 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-19 01:09:32,252 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-19 01:09:32,286 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-19 01:09:32,287 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-19 01:09:32,288 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-19 01:09:32,288 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-19 01:09:32,289 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-19 01:09:32,289 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-19 01:09:32,294 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-19 01:09:32,294 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-19 01:09:32,295 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-19 01:09:32,296 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-19 01:09:32,298 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-19 01:09:32,299 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-19 01:09:32,301 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-19 01:09:32,303 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-19 01:09:32,305 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-19 01:09:32,313 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-19 01:09:32,314 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-19 01:09:32,314 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-19 01:09:32,315 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-19 01:09:32,315 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-19 01:09:32,316 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-19 01:09:32,316 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-19 01:09:32,316 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-19 01:09:32,317 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-19 01:09:32,317 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-19 01:09:32,318 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-19 01:09:32,318 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-19 01:09:32,318 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-19 01:09:32,318 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-19 01:09:32,318 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-19 01:09:32,319 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-19 01:09:32,319 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-19 01:09:32,321 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-NoLbe.epf [2022-01-19 01:09:32,355 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-19 01:09:32,355 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-19 01:09:32,355 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-19 01:09:32,356 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-19 01:09:32,356 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-19 01:09:32,356 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-19 01:09:32,356 INFO L138 SettingsManager]: * Use SBE=true [2022-01-19 01:09:32,356 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-19 01:09:32,357 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-19 01:09:32,357 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-19 01:09:32,357 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-19 01:09:32,357 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-19 01:09:32,357 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-19 01:09:32,357 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-19 01:09:32,357 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-19 01:09:32,357 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-19 01:09:32,358 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-19 01:09:32,358 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-19 01:09:32,358 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-19 01:09:32,358 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-19 01:09:32,358 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-19 01:09:32,358 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-19 01:09:32,358 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-19 01:09:32,358 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-19 01:09:32,359 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-19 01:09:32,359 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-19 01:09:32,359 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-19 01:09:32,362 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-19 01:09:32,363 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-19 01:09:32,363 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-19 01:09:32,363 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-19 01:09:32,363 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-01-19 01:09:32,543 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-19 01:09:32,560 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-19 01:09:32,562 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-19 01:09:32,563 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-19 01:09:32,563 INFO L275 PluginConnector]: CDTParser initialized [2022-01-19 01:09:32,564 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-barrier.wvr.c [2022-01-19 01:09:32,607 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0276a7268/9129020d8b66444aa30e4b707d042b00/FLAG976f7088a [2022-01-19 01:09:32,980 INFO L306 CDTParser]: Found 1 translation units. [2022-01-19 01:09:32,980 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-barrier.wvr.c [2022-01-19 01:09:32,986 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0276a7268/9129020d8b66444aa30e4b707d042b00/FLAG976f7088a [2022-01-19 01:09:32,996 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0276a7268/9129020d8b66444aa30e4b707d042b00 [2022-01-19 01:09:32,998 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-19 01:09:32,999 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-19 01:09:33,000 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-19 01:09:33,000 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-19 01:09:33,002 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-19 01:09:33,003 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.01 01:09:32" (1/1) ... [2022-01-19 01:09:33,003 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fecd809 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 01:09:33, skipping insertion in model container [2022-01-19 01:09:33,004 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.01 01:09:32" (1/1) ... [2022-01-19 01:09:33,009 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-19 01:09:33,024 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-19 01:09:33,197 WARN L230 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] [2022-01-19 01:09:33,199 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-19 01:09:33,205 INFO L203 MainTranslator]: Completed pre-run [2022-01-19 01:09:33,230 WARN L230 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] [2022-01-19 01:09:33,231 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-19 01:09:33,242 INFO L208 MainTranslator]: Completed translation [2022-01-19 01:09:33,243 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 01:09:33 WrapperNode [2022-01-19 01:09:33,243 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-19 01:09:33,244 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-19 01:09:33,244 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-19 01:09:33,244 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-19 01:09:33,250 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 01:09:33" (1/1) ... [2022-01-19 01:09:33,257 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 01:09:33" (1/1) ... [2022-01-19 01:09:33,278 INFO L137 Inliner]: procedures = 25, calls = 98, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 253 [2022-01-19 01:09:33,279 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-19 01:09:33,279 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-19 01:09:33,279 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-19 01:09:33,279 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-19 01:09:33,286 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 01:09:33" (1/1) ... [2022-01-19 01:09:33,286 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 01:09:33" (1/1) ... [2022-01-19 01:09:33,289 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 01:09:33" (1/1) ... [2022-01-19 01:09:33,289 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 01:09:33" (1/1) ... [2022-01-19 01:09:33,300 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 01:09:33" (1/1) ... [2022-01-19 01:09:33,304 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 01:09:33" (1/1) ... [2022-01-19 01:09:33,306 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 01:09:33" (1/1) ... [2022-01-19 01:09:33,309 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-19 01:09:33,313 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-19 01:09:33,313 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-19 01:09:33,313 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-19 01:09:33,315 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 01:09:33" (1/1) ... [2022-01-19 01:09:33,323 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-19 01:09:33,331 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-19 01:09:33,344 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) [2022-01-19 01:09:33,357 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 [2022-01-19 01:09:33,383 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-19 01:09:33,384 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-19 01:09:33,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-19 01:09:33,384 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-19 01:09:33,384 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-01-19 01:09:33,384 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-01-19 01:09:33,384 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-01-19 01:09:33,384 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-01-19 01:09:33,384 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-01-19 01:09:33,384 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-01-19 01:09:33,384 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-01-19 01:09:33,384 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-01-19 01:09:33,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-19 01:09:33,385 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2022-01-19 01:09:33,385 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2022-01-19 01:09:33,385 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2022-01-19 01:09:33,385 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2022-01-19 01:09:33,386 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-01-19 01:09:33,386 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-01-19 01:09:33,386 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-19 01:09:33,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-19 01:09:33,386 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-19 01:09:33,387 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-01-19 01:09:33,527 INFO L234 CfgBuilder]: Building ICFG [2022-01-19 01:09:33,529 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-19 01:09:33,748 INFO L275 CfgBuilder]: Performing block encoding [2022-01-19 01:09:33,851 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-19 01:09:33,852 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-01-19 01:09:33,854 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.01 01:09:33 BoogieIcfgContainer [2022-01-19 01:09:33,854 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-19 01:09:33,855 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-19 01:09:33,855 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-19 01:09:33,859 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-19 01:09:33,859 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.01 01:09:32" (1/3) ... [2022-01-19 01:09:33,862 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10bb5166 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.01 01:09:33, skipping insertion in model container [2022-01-19 01:09:33,862 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 01:09:33" (2/3) ... [2022-01-19 01:09:33,862 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10bb5166 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.01 01:09:33, skipping insertion in model container [2022-01-19 01:09:33,862 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.01 01:09:33" (3/3) ... [2022-01-19 01:09:33,863 INFO L111 eAbstractionObserver]: Analyzing ICFG parallel-barrier.wvr.c [2022-01-19 01:09:33,868 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-19 01:09:33,868 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-19 01:09:33,868 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-01-19 01:09:33,920 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t2~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,920 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t2~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,921 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t2~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,921 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t2~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,921 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t3~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,921 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t3~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,922 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t3~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,922 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t3~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,922 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,923 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,923 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,923 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,923 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,924 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,924 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,924 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,924 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,924 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,924 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,925 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,925 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~pre1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,925 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~pre1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,925 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~pre1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,925 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t2~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,926 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t2~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,926 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~pre1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,926 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t2~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,926 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t2~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,927 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~pre1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,927 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~pre1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,928 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,928 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,928 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~pre3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,928 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~pre3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,928 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t3~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,928 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~pre3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,928 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t3~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,929 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t3~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,929 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~pre3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,929 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t3~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,929 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~pre3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,929 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~pre3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,929 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,930 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,930 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t2~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,930 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t2~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,930 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,930 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t2~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,930 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t2~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,930 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,931 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,931 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,931 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t3~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,931 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t3~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,931 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,932 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t3~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,932 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t3~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,932 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,932 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,932 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,932 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,932 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,933 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,933 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,933 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t2~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,933 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t2~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,933 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t2~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,933 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t2~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,934 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t2~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,934 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t2~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,934 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t3~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,934 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t3~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,934 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t3~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,934 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t3~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,934 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t3~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,934 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t3~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,935 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,935 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,935 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,936 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,936 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,936 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,936 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,936 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,937 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,937 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,937 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,938 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,938 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,938 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,938 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,939 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,939 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t5~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,939 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t5~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,940 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t5~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,940 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t5~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,940 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t6~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,940 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t6~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,941 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t6~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,941 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t6~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,941 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,941 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,942 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,942 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,942 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,942 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,942 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,942 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,942 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,943 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,943 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,943 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,943 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~pre7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,943 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~pre7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,944 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~pre7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,944 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t5~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,944 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t5~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,944 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~pre7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,944 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t5~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,944 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t5~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,945 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~pre7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,945 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~pre7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,945 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,945 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,945 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~pre9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,945 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~pre9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,946 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t6~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,946 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~pre9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,946 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t6~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,946 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t6~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,946 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~pre9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,946 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t6~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,946 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~pre9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,946 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~pre9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,947 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,947 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,947 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t5~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,947 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t5~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,947 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,947 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t5~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,947 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t5~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,948 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,948 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,948 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,948 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t6~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,948 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t6~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,948 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,949 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t6~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,949 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t6~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,949 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,949 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,949 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,950 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,950 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,950 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,950 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,950 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t5~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,950 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t5~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,950 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t5~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,950 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t5~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,951 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t5~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,951 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t5~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,951 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t6~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,951 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t6~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,951 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t6~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,951 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t6~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,951 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t6~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,951 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t6~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,952 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork5_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,952 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork5_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,952 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork5_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,952 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork5_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,953 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork5_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,953 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork5_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,953 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork5_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,953 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork5_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,954 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,954 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,954 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,954 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,955 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,955 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,955 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,955 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,958 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,958 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,958 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,958 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,959 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,959 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,959 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,959 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,960 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,960 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,960 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,960 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t3~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,960 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t2~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,960 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t3~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,960 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~pre3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,960 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,961 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,961 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,961 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t2~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,961 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,961 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~pre1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,961 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,962 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,962 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,962 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,962 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,963 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,963 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~pre7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,963 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t5~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,963 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,963 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t6~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,963 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,963 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t6~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,963 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,964 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,964 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t5~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,964 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,964 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~pre9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,964 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,964 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,965 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork5_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,965 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork5_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,965 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork5_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,965 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork5_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,966 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,966 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,966 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,966 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,967 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,968 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,968 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,968 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,968 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork5_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,969 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork5_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,969 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork5_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,969 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork5_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,970 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,970 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,970 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,970 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:09:33,998 INFO L148 ThreadInstanceAdder]: Constructed 18 joinOtherThreadTransitions. [2022-01-19 01:09:34,037 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-19 01:09:34,043 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2022-01-19 01:09:34,043 INFO L340 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2022-01-19 01:09:34,057 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 246 places, 235 transitions, 542 flow [2022-01-19 01:09:34,156 INFO L129 PetriNetUnfolder]: 8/207 cut-off events. [2022-01-19 01:09:34,156 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2022-01-19 01:09:34,162 INFO L84 FinitePrefix]: Finished finitePrefix Result has 236 conditions, 207 events. 8/207 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 243 event pairs, 0 based on Foata normal form. 0/198 useless extension candidates. Maximal degree in co-relation 177. Up to 3 conditions per place. [2022-01-19 01:09:34,163 INFO L82 GeneralOperation]: Start removeDead. Operand has 246 places, 235 transitions, 542 flow [2022-01-19 01:09:34,174 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 209 places, 198 transitions, 444 flow [2022-01-19 01:09:34,222 INFO L129 PetriNetUnfolder]: 8/197 cut-off events. [2022-01-19 01:09:34,222 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2022-01-19 01:09:34,223 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 01:09:34,223 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 01:09:34,224 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATION, thread1Err6INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 7 more)] === [2022-01-19 01:09:34,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 01:09:34,228 INFO L85 PathProgramCache]: Analyzing trace with hash 7379460, now seen corresponding path program 1 times [2022-01-19 01:09:34,236 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 01:09:34,236 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606254034] [2022-01-19 01:09:34,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 01:09:34,237 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 01:09:34,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 01:09:34,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 01:09:34,797 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 01:09:34,797 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1606254034] [2022-01-19 01:09:34,798 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1606254034] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 01:09:34,798 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 01:09:34,798 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-19 01:09:34,801 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1940319381] [2022-01-19 01:09:34,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 01:09:34,810 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-19 01:09:34,810 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 01:09:34,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-19 01:09:34,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-01-19 01:09:34,855 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 198 out of 239 [2022-01-19 01:09:34,861 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 209 places, 198 transitions, 444 flow. Second operand has 5 states, 5 states have (on average 202.6) internal successors, (1013), 5 states have internal predecessors, (1013), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:09:34,861 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 01:09:34,861 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 198 of 239 [2022-01-19 01:09:34,862 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 01:09:35,305 INFO L129 PetriNetUnfolder]: 354/1315 cut-off events. [2022-01-19 01:09:35,306 INFO L130 PetriNetUnfolder]: For 424/424 co-relation queries the response was YES. [2022-01-19 01:09:35,315 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2287 conditions, 1315 events. 354/1315 cut-off events. For 424/424 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 7887 event pairs, 170 based on Foata normal form. 41/1228 useless extension candidates. Maximal degree in co-relation 2051. Up to 365 conditions per place. [2022-01-19 01:09:35,326 INFO L132 encePairwiseOnDemand]: 228/239 looper letters, 49 selfloop transitions, 6 changer transitions 3/222 dead transitions. [2022-01-19 01:09:35,326 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 213 places, 222 transitions, 670 flow [2022-01-19 01:09:35,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-19 01:09:35,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-01-19 01:09:35,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1054 transitions. [2022-01-19 01:09:35,348 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8820083682008368 [2022-01-19 01:09:35,349 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1054 transitions. [2022-01-19 01:09:35,349 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1054 transitions. [2022-01-19 01:09:35,353 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 01:09:35,355 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1054 transitions. [2022-01-19 01:09:35,362 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 210.8) internal successors, (1054), 5 states have internal predecessors, (1054), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:09:35,371 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 239.0) internal successors, (1434), 6 states have internal predecessors, (1434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:09:35,372 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 239.0) internal successors, (1434), 6 states have internal predecessors, (1434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:09:35,373 INFO L186 Difference]: Start difference. First operand has 209 places, 198 transitions, 444 flow. Second operand 5 states and 1054 transitions. [2022-01-19 01:09:35,374 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 213 places, 222 transitions, 670 flow [2022-01-19 01:09:35,382 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 201 places, 222 transitions, 594 flow, removed 0 selfloop flow, removed 12 redundant places. [2022-01-19 01:09:35,387 INFO L242 Difference]: Finished difference. Result has 202 places, 191 transitions, 416 flow [2022-01-19 01:09:35,389 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=404, PETRI_DIFFERENCE_MINUEND_PLACES=197, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=194, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=188, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=416, PETRI_PLACES=202, PETRI_TRANSITIONS=191} [2022-01-19 01:09:35,393 INFO L334 CegarLoopForPetriNet]: 209 programPoint places, -7 predicate places. [2022-01-19 01:09:35,393 INFO L470 AbstractCegarLoop]: Abstraction has has 202 places, 191 transitions, 416 flow [2022-01-19 01:09:35,394 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 202.6) internal successors, (1013), 5 states have internal predecessors, (1013), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:09:35,394 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 01:09:35,396 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 01:09:35,396 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-19 01:09:35,396 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATION, thread1Err6INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 7 more)] === [2022-01-19 01:09:35,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 01:09:35,398 INFO L85 PathProgramCache]: Analyzing trace with hash 1171318792, now seen corresponding path program 2 times [2022-01-19 01:09:35,398 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 01:09:35,398 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996404528] [2022-01-19 01:09:35,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 01:09:35,398 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 01:09:35,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 01:09:35,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 01:09:35,705 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 01:09:35,705 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [996404528] [2022-01-19 01:09:35,706 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [996404528] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 01:09:35,706 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 01:09:35,706 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-19 01:09:35,706 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079492843] [2022-01-19 01:09:35,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 01:09:35,708 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-19 01:09:35,708 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 01:09:35,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-19 01:09:35,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-01-19 01:09:35,711 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 198 out of 239 [2022-01-19 01:09:35,713 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 202 places, 191 transitions, 416 flow. Second operand has 5 states, 5 states have (on average 202.6) internal successors, (1013), 5 states have internal predecessors, (1013), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:09:35,713 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 01:09:35,713 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 198 of 239 [2022-01-19 01:09:35,713 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 01:09:35,982 INFO L129 PetriNetUnfolder]: 300/1198 cut-off events. [2022-01-19 01:09:35,982 INFO L130 PetriNetUnfolder]: For 141/141 co-relation queries the response was YES. [2022-01-19 01:09:35,987 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1829 conditions, 1198 events. 300/1198 cut-off events. For 141/141 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 6898 event pairs, 128 based on Foata normal form. 22/1098 useless extension candidates. Maximal degree in co-relation 1402. Up to 289 conditions per place. [2022-01-19 01:09:35,992 INFO L132 encePairwiseOnDemand]: 232/239 looper letters, 48 selfloop transitions, 6 changer transitions 1/218 dead transitions. [2022-01-19 01:09:35,993 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 203 places, 218 transitions, 607 flow [2022-01-19 01:09:35,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-19 01:09:35,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-01-19 01:09:36,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1046 transitions. [2022-01-19 01:09:36,003 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8753138075313808 [2022-01-19 01:09:36,003 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1046 transitions. [2022-01-19 01:09:36,003 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1046 transitions. [2022-01-19 01:09:36,004 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 01:09:36,004 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1046 transitions. [2022-01-19 01:09:36,006 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 209.2) internal successors, (1046), 5 states have internal predecessors, (1046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:09:36,008 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 239.0) internal successors, (1434), 6 states have internal predecessors, (1434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:09:36,009 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 239.0) internal successors, (1434), 6 states have internal predecessors, (1434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:09:36,009 INFO L186 Difference]: Start difference. First operand has 202 places, 191 transitions, 416 flow. Second operand 5 states and 1046 transitions. [2022-01-19 01:09:36,009 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 203 places, 218 transitions, 607 flow [2022-01-19 01:09:36,012 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 199 places, 218 transitions, 595 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-01-19 01:09:36,016 INFO L242 Difference]: Finished difference. Result has 200 places, 190 transitions, 420 flow [2022-01-19 01:09:36,017 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=404, PETRI_DIFFERENCE_MINUEND_PLACES=195, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=191, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=185, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=420, PETRI_PLACES=200, PETRI_TRANSITIONS=190} [2022-01-19 01:09:36,017 INFO L334 CegarLoopForPetriNet]: 209 programPoint places, -9 predicate places. [2022-01-19 01:09:36,017 INFO L470 AbstractCegarLoop]: Abstraction has has 200 places, 190 transitions, 420 flow [2022-01-19 01:09:36,018 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 202.6) internal successors, (1013), 5 states have internal predecessors, (1013), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:09:36,018 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 01:09:36,018 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 01:09:36,019 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-19 01:09:36,019 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATION, thread1Err6INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 7 more)] === [2022-01-19 01:09:36,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 01:09:36,021 INFO L85 PathProgramCache]: Analyzing trace with hash 104742018, now seen corresponding path program 1 times [2022-01-19 01:09:36,021 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 01:09:36,021 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039759452] [2022-01-19 01:09:36,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 01:09:36,021 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 01:09:36,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 01:09:36,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 01:09:36,253 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 01:09:36,253 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1039759452] [2022-01-19 01:09:36,253 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1039759452] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 01:09:36,253 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 01:09:36,254 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-19 01:09:36,254 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1030892354] [2022-01-19 01:09:36,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 01:09:36,255 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-19 01:09:36,255 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 01:09:36,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-19 01:09:36,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-01-19 01:09:36,257 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 198 out of 239 [2022-01-19 01:09:36,258 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 200 places, 190 transitions, 420 flow. Second operand has 5 states, 5 states have (on average 202.6) internal successors, (1013), 5 states have internal predecessors, (1013), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:09:36,258 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 01:09:36,258 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 198 of 239 [2022-01-19 01:09:36,258 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 01:09:36,481 INFO L129 PetriNetUnfolder]: 311/1167 cut-off events. [2022-01-19 01:09:36,481 INFO L130 PetriNetUnfolder]: For 174/174 co-relation queries the response was YES. [2022-01-19 01:09:36,486 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1900 conditions, 1167 events. 311/1167 cut-off events. For 174/174 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 6706 event pairs, 141 based on Foata normal form. 11/1085 useless extension candidates. Maximal degree in co-relation 1581. Up to 327 conditions per place. [2022-01-19 01:09:36,491 INFO L132 encePairwiseOnDemand]: 232/239 looper letters, 49 selfloop transitions, 6 changer transitions 0/218 dead transitions. [2022-01-19 01:09:36,491 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 203 places, 218 transitions, 614 flow [2022-01-19 01:09:36,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-19 01:09:36,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-01-19 01:09:36,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1046 transitions. [2022-01-19 01:09:36,494 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8753138075313808 [2022-01-19 01:09:36,494 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1046 transitions. [2022-01-19 01:09:36,494 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1046 transitions. [2022-01-19 01:09:36,495 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 01:09:36,495 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1046 transitions. [2022-01-19 01:09:36,497 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 209.2) internal successors, (1046), 5 states have internal predecessors, (1046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:09:36,500 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 239.0) internal successors, (1434), 6 states have internal predecessors, (1434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:09:36,500 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 239.0) internal successors, (1434), 6 states have internal predecessors, (1434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:09:36,500 INFO L186 Difference]: Start difference. First operand has 200 places, 190 transitions, 420 flow. Second operand 5 states and 1046 transitions. [2022-01-19 01:09:36,501 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 203 places, 218 transitions, 614 flow [2022-01-19 01:09:36,504 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 199 places, 218 transitions, 602 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-01-19 01:09:36,509 INFO L242 Difference]: Finished difference. Result has 200 places, 190 transitions, 426 flow [2022-01-19 01:09:36,509 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=408, PETRI_DIFFERENCE_MINUEND_PLACES=195, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=190, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=184, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=426, PETRI_PLACES=200, PETRI_TRANSITIONS=190} [2022-01-19 01:09:36,511 INFO L334 CegarLoopForPetriNet]: 209 programPoint places, -9 predicate places. [2022-01-19 01:09:36,511 INFO L470 AbstractCegarLoop]: Abstraction has has 200 places, 190 transitions, 426 flow [2022-01-19 01:09:36,512 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 202.6) internal successors, (1013), 5 states have internal predecessors, (1013), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:09:36,512 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 01:09:36,512 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 01:09:36,512 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-19 01:09:36,512 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATION, thread1Err6INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 7 more)] === [2022-01-19 01:09:36,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 01:09:36,513 INFO L85 PathProgramCache]: Analyzing trace with hash 632833614, now seen corresponding path program 2 times [2022-01-19 01:09:36,513 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 01:09:36,513 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228102248] [2022-01-19 01:09:36,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 01:09:36,514 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 01:09:36,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 01:09:37,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 01:09:37,597 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 01:09:37,597 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1228102248] [2022-01-19 01:09:37,597 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1228102248] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 01:09:37,597 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 01:09:37,597 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2022-01-19 01:09:37,597 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513148272] [2022-01-19 01:09:37,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 01:09:37,598 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-01-19 01:09:37,598 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 01:09:37,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-01-19 01:09:37,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=681, Unknown=0, NotChecked=0, Total=756 [2022-01-19 01:09:37,603 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 155 out of 239 [2022-01-19 01:09:37,608 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 200 places, 190 transitions, 426 flow. Second operand has 28 states, 28 states have (on average 157.25) internal successors, (4403), 28 states have internal predecessors, (4403), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:09:37,608 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 01:09:37,608 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 155 of 239 [2022-01-19 01:09:37,608 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 01:09:43,231 INFO L129 PetriNetUnfolder]: 6159/11781 cut-off events. [2022-01-19 01:09:43,231 INFO L130 PetriNetUnfolder]: For 2302/2302 co-relation queries the response was YES. [2022-01-19 01:09:43,262 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22609 conditions, 11781 events. 6159/11781 cut-off events. For 2302/2302 co-relation queries the response was YES. Maximal size of possible extension queue 317. Compared 87885 event pairs, 709 based on Foata normal form. 2/10967 useless extension candidates. Maximal degree in co-relation 21713. Up to 4268 conditions per place. [2022-01-19 01:09:43,324 INFO L132 encePairwiseOnDemand]: 210/239 looper letters, 325 selfloop transitions, 150 changer transitions 31/629 dead transitions. [2022-01-19 01:09:43,324 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 249 places, 629 transitions, 2595 flow [2022-01-19 01:09:43,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-01-19 01:09:43,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2022-01-19 01:09:43,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 8258 transitions. [2022-01-19 01:09:43,340 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6910460251046026 [2022-01-19 01:09:43,340 INFO L72 ComplementDD]: Start complementDD. Operand 50 states and 8258 transitions. [2022-01-19 01:09:43,340 INFO L73 IsDeterministic]: Start isDeterministic. Operand 50 states and 8258 transitions. [2022-01-19 01:09:43,344 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 01:09:43,344 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 50 states and 8258 transitions. [2022-01-19 01:09:43,358 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 51 states, 50 states have (on average 165.16) internal successors, (8258), 50 states have internal predecessors, (8258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:09:43,379 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 51 states, 51 states have (on average 239.0) internal successors, (12189), 51 states have internal predecessors, (12189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:09:43,384 INFO L81 ComplementDD]: Finished complementDD. Result has 51 states, 51 states have (on average 239.0) internal successors, (12189), 51 states have internal predecessors, (12189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:09:43,384 INFO L186 Difference]: Start difference. First operand has 200 places, 190 transitions, 426 flow. Second operand 50 states and 8258 transitions. [2022-01-19 01:09:43,384 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 249 places, 629 transitions, 2595 flow [2022-01-19 01:09:43,392 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 245 places, 629 transitions, 2515 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-01-19 01:09:43,402 INFO L242 Difference]: Finished difference. Result has 277 places, 349 transitions, 1298 flow [2022-01-19 01:09:43,402 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=414, PETRI_DIFFERENCE_MINUEND_PLACES=196, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=190, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=164, PETRI_DIFFERENCE_SUBTRAHEND_STATES=50, PETRI_FLOW=1298, PETRI_PLACES=277, PETRI_TRANSITIONS=349} [2022-01-19 01:09:43,403 INFO L334 CegarLoopForPetriNet]: 209 programPoint places, 68 predicate places. [2022-01-19 01:09:43,403 INFO L470 AbstractCegarLoop]: Abstraction has has 277 places, 349 transitions, 1298 flow [2022-01-19 01:09:43,405 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 157.25) internal successors, (4403), 28 states have internal predecessors, (4403), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:09:43,405 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 01:09:43,406 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 01:09:43,406 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-01-19 01:09:43,406 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATION, thread1Err6INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 7 more)] === [2022-01-19 01:09:43,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 01:09:43,410 INFO L85 PathProgramCache]: Analyzing trace with hash 1912792082, now seen corresponding path program 3 times [2022-01-19 01:09:43,411 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 01:09:43,412 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1706820061] [2022-01-19 01:09:43,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 01:09:43,412 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 01:09:43,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 01:09:43,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 01:09:43,534 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 01:09:43,534 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1706820061] [2022-01-19 01:09:43,534 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1706820061] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 01:09:43,534 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 01:09:43,534 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-19 01:09:43,535 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042202853] [2022-01-19 01:09:43,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 01:09:43,535 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-19 01:09:43,535 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 01:09:43,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-19 01:09:43,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-01-19 01:09:43,536 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 198 out of 239 [2022-01-19 01:09:43,537 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 277 places, 349 transitions, 1298 flow. Second operand has 5 states, 5 states have (on average 202.6) internal successors, (1013), 5 states have internal predecessors, (1013), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:09:43,537 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 01:09:43,537 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 198 of 239 [2022-01-19 01:09:43,538 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 01:09:44,177 INFO L129 PetriNetUnfolder]: 1446/4090 cut-off events. [2022-01-19 01:09:44,177 INFO L130 PetriNetUnfolder]: For 1652/1663 co-relation queries the response was YES. [2022-01-19 01:09:44,215 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7876 conditions, 4090 events. 1446/4090 cut-off events. For 1652/1663 co-relation queries the response was YES. Maximal size of possible extension queue 165. Compared 31787 event pairs, 571 based on Foata normal form. 47/3664 useless extension candidates. Maximal degree in co-relation 7833. Up to 1034 conditions per place. [2022-01-19 01:09:44,233 INFO L132 encePairwiseOnDemand]: 232/239 looper letters, 48 selfloop transitions, 9 changer transitions 0/371 dead transitions. [2022-01-19 01:09:44,234 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 277 places, 371 transitions, 1478 flow [2022-01-19 01:09:44,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-19 01:09:44,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-01-19 01:09:44,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1045 transitions. [2022-01-19 01:09:44,237 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8744769874476988 [2022-01-19 01:09:44,238 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1045 transitions. [2022-01-19 01:09:44,238 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1045 transitions. [2022-01-19 01:09:44,238 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 01:09:44,238 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1045 transitions. [2022-01-19 01:09:44,240 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 209.0) internal successors, (1045), 5 states have internal predecessors, (1045), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:09:44,242 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 239.0) internal successors, (1434), 6 states have internal predecessors, (1434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:09:44,243 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 239.0) internal successors, (1434), 6 states have internal predecessors, (1434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:09:44,243 INFO L186 Difference]: Start difference. First operand has 277 places, 349 transitions, 1298 flow. Second operand 5 states and 1045 transitions. [2022-01-19 01:09:44,243 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 277 places, 371 transitions, 1478 flow [2022-01-19 01:09:44,254 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 271 places, 371 transitions, 1466 flow, removed 4 selfloop flow, removed 6 redundant places. [2022-01-19 01:09:44,259 INFO L242 Difference]: Finished difference. Result has 272 places, 344 transitions, 1290 flow [2022-01-19 01:09:44,260 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=1265, PETRI_DIFFERENCE_MINUEND_PLACES=267, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=344, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=335, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1290, PETRI_PLACES=272, PETRI_TRANSITIONS=344} [2022-01-19 01:09:44,262 INFO L334 CegarLoopForPetriNet]: 209 programPoint places, 63 predicate places. [2022-01-19 01:09:44,262 INFO L470 AbstractCegarLoop]: Abstraction has has 272 places, 344 transitions, 1290 flow [2022-01-19 01:09:44,262 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 202.6) internal successors, (1013), 5 states have internal predecessors, (1013), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:09:44,262 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 01:09:44,263 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 01:09:44,263 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-01-19 01:09:44,263 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATION, thread1Err6INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 7 more)] === [2022-01-19 01:09:44,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 01:09:44,263 INFO L85 PathProgramCache]: Analyzing trace with hash 721203484, now seen corresponding path program 4 times [2022-01-19 01:09:44,263 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 01:09:44,264 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69216941] [2022-01-19 01:09:44,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 01:09:44,264 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 01:09:44,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 01:09:44,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 01:09:44,913 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 01:09:44,913 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [69216941] [2022-01-19 01:09:44,913 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [69216941] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 01:09:44,913 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 01:09:44,913 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-01-19 01:09:44,913 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284504218] [2022-01-19 01:09:44,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 01:09:44,914 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-01-19 01:09:44,914 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 01:09:44,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-01-19 01:09:44,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=414, Unknown=0, NotChecked=0, Total=462 [2022-01-19 01:09:44,917 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 239 [2022-01-19 01:09:44,920 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 272 places, 344 transitions, 1290 flow. Second operand has 22 states, 22 states have (on average 165.5909090909091) internal successors, (3643), 22 states have internal predecessors, (3643), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:09:44,921 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 01:09:44,921 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 239 [2022-01-19 01:09:44,921 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 01:09:48,181 INFO L129 PetriNetUnfolder]: 5831/11314 cut-off events. [2022-01-19 01:09:48,181 INFO L130 PetriNetUnfolder]: For 11901/11905 co-relation queries the response was YES. [2022-01-19 01:09:48,260 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30228 conditions, 11314 events. 5831/11314 cut-off events. For 11901/11905 co-relation queries the response was YES. Maximal size of possible extension queue 336. Compared 83961 event pairs, 1439 based on Foata normal form. 1/10510 useless extension candidates. Maximal degree in co-relation 29680. Up to 5617 conditions per place. [2022-01-19 01:09:48,319 INFO L132 encePairwiseOnDemand]: 216/239 looper letters, 350 selfloop transitions, 111 changer transitions 17/613 dead transitions. [2022-01-19 01:09:48,319 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 304 places, 613 transitions, 3464 flow [2022-01-19 01:09:48,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-01-19 01:09:48,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2022-01-19 01:09:48,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 5696 transitions. [2022-01-19 01:09:48,330 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7222010904019273 [2022-01-19 01:09:48,331 INFO L72 ComplementDD]: Start complementDD. Operand 33 states and 5696 transitions. [2022-01-19 01:09:48,331 INFO L73 IsDeterministic]: Start isDeterministic. Operand 33 states and 5696 transitions. [2022-01-19 01:09:48,333 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 01:09:48,333 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 33 states and 5696 transitions. [2022-01-19 01:09:48,343 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 34 states, 33 states have (on average 172.6060606060606) internal successors, (5696), 33 states have internal predecessors, (5696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:09:48,355 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 34 states, 34 states have (on average 239.0) internal successors, (8126), 34 states have internal predecessors, (8126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:09:48,356 INFO L81 ComplementDD]: Finished complementDD. Result has 34 states, 34 states have (on average 239.0) internal successors, (8126), 34 states have internal predecessors, (8126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:09:48,356 INFO L186 Difference]: Start difference. First operand has 272 places, 344 transitions, 1290 flow. Second operand 33 states and 5696 transitions. [2022-01-19 01:09:48,356 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 304 places, 613 transitions, 3464 flow [2022-01-19 01:09:48,466 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 300 places, 613 transitions, 3444 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-01-19 01:09:48,473 INFO L242 Difference]: Finished difference. Result has 321 places, 448 transitions, 2205 flow [2022-01-19 01:09:48,474 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=1272, PETRI_DIFFERENCE_MINUEND_PLACES=268, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=344, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=311, PETRI_DIFFERENCE_SUBTRAHEND_STATES=33, PETRI_FLOW=2205, PETRI_PLACES=321, PETRI_TRANSITIONS=448} [2022-01-19 01:09:48,476 INFO L334 CegarLoopForPetriNet]: 209 programPoint places, 112 predicate places. [2022-01-19 01:09:48,476 INFO L470 AbstractCegarLoop]: Abstraction has has 321 places, 448 transitions, 2205 flow [2022-01-19 01:09:48,478 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 165.5909090909091) internal successors, (3643), 22 states have internal predecessors, (3643), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:09:48,478 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 01:09:48,478 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 01:09:48,478 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-01-19 01:09:48,478 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATION, thread1Err6INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 7 more)] === [2022-01-19 01:09:48,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 01:09:48,479 INFO L85 PathProgramCache]: Analyzing trace with hash 295802982, now seen corresponding path program 5 times [2022-01-19 01:09:48,479 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 01:09:48,480 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307662578] [2022-01-19 01:09:48,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 01:09:48,480 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 01:09:48,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 01:09:49,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 01:09:49,118 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 01:09:49,119 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [307662578] [2022-01-19 01:09:49,119 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [307662578] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 01:09:49,119 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 01:09:49,119 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-01-19 01:09:49,119 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889375366] [2022-01-19 01:09:49,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 01:09:49,119 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-01-19 01:09:49,119 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 01:09:49,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-01-19 01:09:49,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=502, Unknown=0, NotChecked=0, Total=552 [2022-01-19 01:09:49,127 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 239 [2022-01-19 01:09:49,130 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 321 places, 448 transitions, 2205 flow. Second operand has 24 states, 24 states have (on average 165.375) internal successors, (3969), 24 states have internal predecessors, (3969), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:09:49,130 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 01:09:49,130 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 239 [2022-01-19 01:09:49,130 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 01:09:54,318 INFO L129 PetriNetUnfolder]: 7413/14328 cut-off events. [2022-01-19 01:09:54,318 INFO L130 PetriNetUnfolder]: For 41322/41329 co-relation queries the response was YES. [2022-01-19 01:09:54,452 INFO L84 FinitePrefix]: Finished finitePrefix Result has 47072 conditions, 14328 events. 7413/14328 cut-off events. For 41322/41329 co-relation queries the response was YES. Maximal size of possible extension queue 442. Compared 110760 event pairs, 2057 based on Foata normal form. 4/13199 useless extension candidates. Maximal degree in co-relation 47000. Up to 7084 conditions per place. [2022-01-19 01:09:54,543 INFO L132 encePairwiseOnDemand]: 216/239 looper letters, 551 selfloop transitions, 239 changer transitions 22/947 dead transitions. [2022-01-19 01:09:54,543 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 380 places, 947 transitions, 6716 flow [2022-01-19 01:09:54,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2022-01-19 01:09:54,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2022-01-19 01:09:54,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 10801 transitions. [2022-01-19 01:09:54,555 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7173407717340772 [2022-01-19 01:09:54,556 INFO L72 ComplementDD]: Start complementDD. Operand 63 states and 10801 transitions. [2022-01-19 01:09:54,556 INFO L73 IsDeterministic]: Start isDeterministic. Operand 63 states and 10801 transitions. [2022-01-19 01:09:54,559 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 01:09:54,559 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 63 states and 10801 transitions. [2022-01-19 01:09:54,573 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 64 states, 63 states have (on average 171.44444444444446) internal successors, (10801), 63 states have internal predecessors, (10801), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:09:54,594 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 64 states, 64 states have (on average 239.0) internal successors, (15296), 64 states have internal predecessors, (15296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:09:54,599 INFO L81 ComplementDD]: Finished complementDD. Result has 64 states, 64 states have (on average 239.0) internal successors, (15296), 64 states have internal predecessors, (15296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:09:54,599 INFO L186 Difference]: Start difference. First operand has 321 places, 448 transitions, 2205 flow. Second operand 63 states and 10801 transitions. [2022-01-19 01:09:54,599 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 380 places, 947 transitions, 6716 flow [2022-01-19 01:09:54,784 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 375 places, 947 transitions, 6528 flow, removed 90 selfloop flow, removed 5 redundant places. [2022-01-19 01:09:54,795 INFO L242 Difference]: Finished difference. Result has 405 places, 638 transitions, 4305 flow [2022-01-19 01:09:54,796 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=2063, PETRI_DIFFERENCE_MINUEND_PLACES=313, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=448, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=65, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=373, PETRI_DIFFERENCE_SUBTRAHEND_STATES=63, PETRI_FLOW=4305, PETRI_PLACES=405, PETRI_TRANSITIONS=638} [2022-01-19 01:09:54,796 INFO L334 CegarLoopForPetriNet]: 209 programPoint places, 196 predicate places. [2022-01-19 01:09:54,796 INFO L470 AbstractCegarLoop]: Abstraction has has 405 places, 638 transitions, 4305 flow [2022-01-19 01:09:54,797 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 165.375) internal successors, (3969), 24 states have internal predecessors, (3969), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:09:54,798 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 01:09:54,798 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 01:09:54,798 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-01-19 01:09:54,798 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATION, thread1Err6INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 7 more)] === [2022-01-19 01:09:54,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 01:09:54,798 INFO L85 PathProgramCache]: Analyzing trace with hash 1658822984, now seen corresponding path program 6 times [2022-01-19 01:09:54,798 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 01:09:54,799 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1781105336] [2022-01-19 01:09:54,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 01:09:54,799 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 01:09:54,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 01:09:55,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 01:09:55,474 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 01:09:55,474 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1781105336] [2022-01-19 01:09:55,474 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1781105336] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 01:09:55,474 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 01:09:55,474 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-01-19 01:09:55,475 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140575066] [2022-01-19 01:09:55,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 01:09:55,475 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-01-19 01:09:55,475 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 01:09:55,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-01-19 01:09:55,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=491, Unknown=0, NotChecked=0, Total=552 [2022-01-19 01:09:55,478 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 239 [2022-01-19 01:09:55,481 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 405 places, 638 transitions, 4305 flow. Second operand has 24 states, 24 states have (on average 165.375) internal successors, (3969), 24 states have internal predecessors, (3969), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:09:55,481 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 01:09:55,481 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 239 [2022-01-19 01:09:55,481 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 01:10:00,914 INFO L129 PetriNetUnfolder]: 8793/16977 cut-off events. [2022-01-19 01:10:00,914 INFO L130 PetriNetUnfolder]: For 100175/100185 co-relation queries the response was YES. [2022-01-19 01:10:01,122 INFO L84 FinitePrefix]: Finished finitePrefix Result has 65268 conditions, 16977 events. 8793/16977 cut-off events. For 100175/100185 co-relation queries the response was YES. Maximal size of possible extension queue 474. Compared 136183 event pairs, 2480 based on Foata normal form. 7/15644 useless extension candidates. Maximal degree in co-relation 65158. Up to 9127 conditions per place. [2022-01-19 01:10:01,227 INFO L132 encePairwiseOnDemand]: 216/239 looper letters, 680 selfloop transitions, 291 changer transitions 22/1128 dead transitions. [2022-01-19 01:10:01,227 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 452 places, 1128 transitions, 9660 flow [2022-01-19 01:10:01,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2022-01-19 01:10:01,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2022-01-19 01:10:01,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 8956 transitions. [2022-01-19 01:10:01,235 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7206308336015449 [2022-01-19 01:10:01,236 INFO L72 ComplementDD]: Start complementDD. Operand 52 states and 8956 transitions. [2022-01-19 01:10:01,236 INFO L73 IsDeterministic]: Start isDeterministic. Operand 52 states and 8956 transitions. [2022-01-19 01:10:01,238 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 01:10:01,238 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 52 states and 8956 transitions. [2022-01-19 01:10:01,249 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 53 states, 52 states have (on average 172.23076923076923) internal successors, (8956), 52 states have internal predecessors, (8956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:10:01,264 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 53 states, 53 states have (on average 239.0) internal successors, (12667), 53 states have internal predecessors, (12667), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:10:01,267 INFO L81 ComplementDD]: Finished complementDD. Result has 53 states, 53 states have (on average 239.0) internal successors, (12667), 53 states have internal predecessors, (12667), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:10:01,267 INFO L186 Difference]: Start difference. First operand has 405 places, 638 transitions, 4305 flow. Second operand 52 states and 8956 transitions. [2022-01-19 01:10:01,267 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 452 places, 1128 transitions, 9660 flow [2022-01-19 01:10:01,882 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 446 places, 1128 transitions, 8910 flow, removed 345 selfloop flow, removed 6 redundant places. [2022-01-19 01:10:01,895 INFO L242 Difference]: Finished difference. Result has 463 places, 851 transitions, 6539 flow [2022-01-19 01:10:01,896 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=3677, PETRI_DIFFERENCE_MINUEND_PLACES=395, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=638, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=105, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=510, PETRI_DIFFERENCE_SUBTRAHEND_STATES=52, PETRI_FLOW=6539, PETRI_PLACES=463, PETRI_TRANSITIONS=851} [2022-01-19 01:10:01,897 INFO L334 CegarLoopForPetriNet]: 209 programPoint places, 254 predicate places. [2022-01-19 01:10:01,898 INFO L470 AbstractCegarLoop]: Abstraction has has 463 places, 851 transitions, 6539 flow [2022-01-19 01:10:01,899 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 165.375) internal successors, (3969), 24 states have internal predecessors, (3969), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:10:01,899 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 01:10:01,899 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 01:10:01,899 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-01-19 01:10:01,899 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATION, thread1Err6INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 7 more)] === [2022-01-19 01:10:01,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 01:10:01,899 INFO L85 PathProgramCache]: Analyzing trace with hash -653315748, now seen corresponding path program 7 times [2022-01-19 01:10:01,899 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 01:10:01,900 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879048901] [2022-01-19 01:10:01,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 01:10:01,900 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 01:10:02,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 01:10:02,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 01:10:02,480 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 01:10:02,480 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1879048901] [2022-01-19 01:10:02,480 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1879048901] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 01:10:02,480 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 01:10:02,480 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2022-01-19 01:10:02,480 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [940808424] [2022-01-19 01:10:02,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 01:10:02,481 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-01-19 01:10:02,481 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 01:10:02,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-01-19 01:10:02,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=455, Unknown=0, NotChecked=0, Total=506 [2022-01-19 01:10:02,484 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 239 [2022-01-19 01:10:02,487 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 463 places, 851 transitions, 6539 flow. Second operand has 23 states, 23 states have (on average 165.47826086956522) internal successors, (3806), 23 states have internal predecessors, (3806), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:10:02,487 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 01:10:02,487 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 239 [2022-01-19 01:10:02,487 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 01:10:09,283 INFO L129 PetriNetUnfolder]: 10480/20224 cut-off events. [2022-01-19 01:10:09,284 INFO L130 PetriNetUnfolder]: For 176675/176688 co-relation queries the response was YES. [2022-01-19 01:10:09,605 INFO L84 FinitePrefix]: Finished finitePrefix Result has 83666 conditions, 20224 events. 10480/20224 cut-off events. For 176675/176688 co-relation queries the response was YES. Maximal size of possible extension queue 590. Compared 166871 event pairs, 2952 based on Foata normal form. 10/18588 useless extension candidates. Maximal degree in co-relation 83532. Up to 9769 conditions per place. [2022-01-19 01:10:09,739 INFO L132 encePairwiseOnDemand]: 216/239 looper letters, 756 selfloop transitions, 367 changer transitions 22/1280 dead transitions. [2022-01-19 01:10:09,740 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 512 places, 1280 transitions, 12512 flow [2022-01-19 01:10:09,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-01-19 01:10:09,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2022-01-19 01:10:09,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 9309 transitions. [2022-01-19 01:10:09,752 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7212924221292422 [2022-01-19 01:10:09,752 INFO L72 ComplementDD]: Start complementDD. Operand 54 states and 9309 transitions. [2022-01-19 01:10:09,752 INFO L73 IsDeterministic]: Start isDeterministic. Operand 54 states and 9309 transitions. [2022-01-19 01:10:09,755 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 01:10:09,756 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 54 states and 9309 transitions. [2022-01-19 01:10:09,903 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 55 states, 54 states have (on average 172.38888888888889) internal successors, (9309), 54 states have internal predecessors, (9309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:10:09,914 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 55 states, 55 states have (on average 239.0) internal successors, (13145), 55 states have internal predecessors, (13145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:10:09,916 INFO L81 ComplementDD]: Finished complementDD. Result has 55 states, 55 states have (on average 239.0) internal successors, (13145), 55 states have internal predecessors, (13145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:10:09,916 INFO L186 Difference]: Start difference. First operand has 463 places, 851 transitions, 6539 flow. Second operand 54 states and 9309 transitions. [2022-01-19 01:10:09,916 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 512 places, 1280 transitions, 12512 flow [2022-01-19 01:10:10,860 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 507 places, 1280 transitions, 11706 flow, removed 401 selfloop flow, removed 5 redundant places. [2022-01-19 01:10:10,873 INFO L242 Difference]: Finished difference. Result has 531 places, 978 transitions, 8576 flow [2022-01-19 01:10:10,874 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=5859, PETRI_DIFFERENCE_MINUEND_PLACES=454, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=851, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=255, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=581, PETRI_DIFFERENCE_SUBTRAHEND_STATES=54, PETRI_FLOW=8576, PETRI_PLACES=531, PETRI_TRANSITIONS=978} [2022-01-19 01:10:10,875 INFO L334 CegarLoopForPetriNet]: 209 programPoint places, 322 predicate places. [2022-01-19 01:10:10,875 INFO L470 AbstractCegarLoop]: Abstraction has has 531 places, 978 transitions, 8576 flow [2022-01-19 01:10:10,876 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 165.47826086956522) internal successors, (3806), 23 states have internal predecessors, (3806), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:10:10,876 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 01:10:10,876 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 01:10:10,876 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-01-19 01:10:10,876 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATION, thread1Err6INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 7 more)] === [2022-01-19 01:10:10,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 01:10:10,877 INFO L85 PathProgramCache]: Analyzing trace with hash -88221392, now seen corresponding path program 8 times [2022-01-19 01:10:10,877 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 01:10:10,877 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [110044240] [2022-01-19 01:10:10,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 01:10:10,877 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 01:10:10,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 01:10:11,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 01:10:11,443 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 01:10:11,444 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [110044240] [2022-01-19 01:10:11,444 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [110044240] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 01:10:11,444 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 01:10:11,444 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-01-19 01:10:11,446 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051625346] [2022-01-19 01:10:11,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 01:10:11,449 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-01-19 01:10:11,450 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 01:10:11,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-01-19 01:10:11,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=494, Unknown=0, NotChecked=0, Total=552 [2022-01-19 01:10:11,453 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 239 [2022-01-19 01:10:11,455 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 531 places, 978 transitions, 8576 flow. Second operand has 24 states, 24 states have (on average 165.375) internal successors, (3969), 24 states have internal predecessors, (3969), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:10:11,455 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 01:10:11,455 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 239 [2022-01-19 01:10:11,455 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 01:10:18,826 INFO L129 PetriNetUnfolder]: 11684/22608 cut-off events. [2022-01-19 01:10:18,827 INFO L130 PetriNetUnfolder]: For 290640/290655 co-relation queries the response was YES. [2022-01-19 01:10:19,207 INFO L84 FinitePrefix]: Finished finitePrefix Result has 101032 conditions, 22608 events. 11684/22608 cut-off events. For 290640/290655 co-relation queries the response was YES. Maximal size of possible extension queue 637. Compared 191106 event pairs, 3089 based on Foata normal form. 12/20706 useless extension candidates. Maximal degree in co-relation 100866. Up to 11777 conditions per place. [2022-01-19 01:10:19,312 INFO L132 encePairwiseOnDemand]: 216/239 looper letters, 847 selfloop transitions, 372 changer transitions 22/1376 dead transitions. [2022-01-19 01:10:19,313 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 576 places, 1376 transitions, 14517 flow [2022-01-19 01:10:19,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-01-19 01:10:19,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2022-01-19 01:10:19,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 8602 transitions. [2022-01-19 01:10:19,321 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7198326359832636 [2022-01-19 01:10:19,321 INFO L72 ComplementDD]: Start complementDD. Operand 50 states and 8602 transitions. [2022-01-19 01:10:19,321 INFO L73 IsDeterministic]: Start isDeterministic. Operand 50 states and 8602 transitions. [2022-01-19 01:10:19,323 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 01:10:19,324 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 50 states and 8602 transitions. [2022-01-19 01:10:19,333 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 51 states, 50 states have (on average 172.04) internal successors, (8602), 50 states have internal predecessors, (8602), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:10:19,344 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 51 states, 51 states have (on average 239.0) internal successors, (12189), 51 states have internal predecessors, (12189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:10:19,345 INFO L81 ComplementDD]: Finished complementDD. Result has 51 states, 51 states have (on average 239.0) internal successors, (12189), 51 states have internal predecessors, (12189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:10:19,345 INFO L186 Difference]: Start difference. First operand has 531 places, 978 transitions, 8576 flow. Second operand 50 states and 8602 transitions. [2022-01-19 01:10:19,345 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 576 places, 1376 transitions, 14517 flow [2022-01-19 01:10:20,956 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 569 places, 1376 transitions, 13519 flow, removed 456 selfloop flow, removed 7 redundant places. [2022-01-19 01:10:20,969 INFO L242 Difference]: Finished difference. Result has 580 places, 1112 transitions, 10398 flow [2022-01-19 01:10:20,970 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=7612, PETRI_DIFFERENCE_MINUEND_PLACES=520, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=978, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=253, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=717, PETRI_DIFFERENCE_SUBTRAHEND_STATES=50, PETRI_FLOW=10398, PETRI_PLACES=580, PETRI_TRANSITIONS=1112} [2022-01-19 01:10:20,970 INFO L334 CegarLoopForPetriNet]: 209 programPoint places, 371 predicate places. [2022-01-19 01:10:20,970 INFO L470 AbstractCegarLoop]: Abstraction has has 580 places, 1112 transitions, 10398 flow [2022-01-19 01:10:20,971 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 165.375) internal successors, (3969), 24 states have internal predecessors, (3969), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:10:20,971 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 01:10:20,971 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 01:10:20,971 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-01-19 01:10:20,971 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATION, thread1Err6INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 7 more)] === [2022-01-19 01:10:20,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 01:10:20,972 INFO L85 PathProgramCache]: Analyzing trace with hash -1546862930, now seen corresponding path program 9 times [2022-01-19 01:10:20,972 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 01:10:20,972 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805386837] [2022-01-19 01:10:20,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 01:10:20,972 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 01:10:21,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 01:10:21,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 01:10:21,513 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 01:10:21,513 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1805386837] [2022-01-19 01:10:21,513 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1805386837] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 01:10:21,513 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 01:10:21,513 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-01-19 01:10:21,514 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132165747] [2022-01-19 01:10:21,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 01:10:21,514 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-01-19 01:10:21,514 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 01:10:21,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-01-19 01:10:21,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=492, Unknown=0, NotChecked=0, Total=552 [2022-01-19 01:10:21,517 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 239 [2022-01-19 01:10:21,519 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 580 places, 1112 transitions, 10398 flow. Second operand has 24 states, 24 states have (on average 165.375) internal successors, (3969), 24 states have internal predecessors, (3969), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:10:21,519 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 01:10:21,519 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 239 [2022-01-19 01:10:21,519 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 01:10:29,026 INFO L129 PetriNetUnfolder]: 12402/23934 cut-off events. [2022-01-19 01:10:29,026 INFO L130 PetriNetUnfolder]: For 337377/337392 co-relation queries the response was YES. [2022-01-19 01:10:29,533 INFO L84 FinitePrefix]: Finished finitePrefix Result has 108491 conditions, 23934 events. 12402/23934 cut-off events. For 337377/337392 co-relation queries the response was YES. Maximal size of possible extension queue 689. Compared 204938 event pairs, 3605 based on Foata normal form. 12/21826 useless extension candidates. Maximal degree in co-relation 108307. Up to 12347 conditions per place. [2022-01-19 01:10:29,671 INFO L132 encePairwiseOnDemand]: 216/239 looper letters, 851 selfloop transitions, 434 changer transitions 22/1442 dead transitions. [2022-01-19 01:10:29,671 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 621 places, 1442 transitions, 15857 flow [2022-01-19 01:10:29,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-01-19 01:10:29,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2022-01-19 01:10:29,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 7899 transitions. [2022-01-19 01:10:29,679 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7184828088048026 [2022-01-19 01:10:29,679 INFO L72 ComplementDD]: Start complementDD. Operand 46 states and 7899 transitions. [2022-01-19 01:10:29,679 INFO L73 IsDeterministic]: Start isDeterministic. Operand 46 states and 7899 transitions. [2022-01-19 01:10:29,682 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 01:10:29,682 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 46 states and 7899 transitions. [2022-01-19 01:10:29,691 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 47 states, 46 states have (on average 171.7173913043478) internal successors, (7899), 46 states have internal predecessors, (7899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:10:29,700 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 47 states, 47 states have (on average 239.0) internal successors, (11233), 47 states have internal predecessors, (11233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:10:29,701 INFO L81 ComplementDD]: Finished complementDD. Result has 47 states, 47 states have (on average 239.0) internal successors, (11233), 47 states have internal predecessors, (11233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:10:29,701 INFO L186 Difference]: Start difference. First operand has 580 places, 1112 transitions, 10398 flow. Second operand 46 states and 7899 transitions. [2022-01-19 01:10:29,701 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 621 places, 1442 transitions, 15857 flow [2022-01-19 01:10:31,672 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 612 places, 1442 transitions, 14537 flow, removed 564 selfloop flow, removed 9 redundant places. [2022-01-19 01:10:31,687 INFO L242 Difference]: Finished difference. Result has 621 places, 1207 transitions, 11767 flow [2022-01-19 01:10:31,689 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=9209, PETRI_DIFFERENCE_MINUEND_PLACES=567, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1112, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=354, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=751, PETRI_DIFFERENCE_SUBTRAHEND_STATES=46, PETRI_FLOW=11767, PETRI_PLACES=621, PETRI_TRANSITIONS=1207} [2022-01-19 01:10:31,689 INFO L334 CegarLoopForPetriNet]: 209 programPoint places, 412 predicate places. [2022-01-19 01:10:31,689 INFO L470 AbstractCegarLoop]: Abstraction has has 621 places, 1207 transitions, 11767 flow [2022-01-19 01:10:31,690 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 165.375) internal successors, (3969), 24 states have internal predecessors, (3969), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:10:31,690 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 01:10:31,690 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 01:10:31,690 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-01-19 01:10:31,690 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATION, thread1Err6INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 7 more)] === [2022-01-19 01:10:31,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 01:10:31,691 INFO L85 PathProgramCache]: Analyzing trace with hash -2109594836, now seen corresponding path program 10 times [2022-01-19 01:10:31,691 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 01:10:31,691 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1322655435] [2022-01-19 01:10:31,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 01:10:31,691 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 01:10:31,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 01:10:32,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 01:10:32,218 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 01:10:32,218 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1322655435] [2022-01-19 01:10:32,218 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1322655435] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 01:10:32,218 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 01:10:32,218 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-01-19 01:10:32,218 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [597292701] [2022-01-19 01:10:32,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 01:10:32,224 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-01-19 01:10:32,224 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 01:10:32,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-01-19 01:10:32,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=493, Unknown=0, NotChecked=0, Total=552 [2022-01-19 01:10:32,227 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 239 [2022-01-19 01:10:32,229 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 621 places, 1207 transitions, 11767 flow. Second operand has 24 states, 24 states have (on average 165.375) internal successors, (3969), 24 states have internal predecessors, (3969), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:10:32,229 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 01:10:32,229 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 239 [2022-01-19 01:10:32,229 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 01:10:40,306 INFO L129 PetriNetUnfolder]: 13167/26186 cut-off events. [2022-01-19 01:10:40,306 INFO L130 PetriNetUnfolder]: For 368300/368315 co-relation queries the response was YES. [2022-01-19 01:10:40,828 INFO L84 FinitePrefix]: Finished finitePrefix Result has 115898 conditions, 26186 events. 13167/26186 cut-off events. For 368300/368315 co-relation queries the response was YES. Maximal size of possible extension queue 754. Compared 234632 event pairs, 3575 based on Foata normal form. 12/23865 useless extension candidates. Maximal degree in co-relation 115699. Up to 12910 conditions per place. [2022-01-19 01:10:41,151 INFO L132 encePairwiseOnDemand]: 216/239 looper letters, 935 selfloop transitions, 452 changer transitions 22/1544 dead transitions. [2022-01-19 01:10:41,151 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 657 places, 1544 transitions, 17109 flow [2022-01-19 01:10:41,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-01-19 01:10:41,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2022-01-19 01:10:41,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 7106 transitions. [2022-01-19 01:10:41,160 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7251760383712623 [2022-01-19 01:10:41,160 INFO L72 ComplementDD]: Start complementDD. Operand 41 states and 7106 transitions. [2022-01-19 01:10:41,160 INFO L73 IsDeterministic]: Start isDeterministic. Operand 41 states and 7106 transitions. [2022-01-19 01:10:41,163 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 01:10:41,163 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 41 states and 7106 transitions. [2022-01-19 01:10:41,177 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 42 states, 41 states have (on average 173.3170731707317) internal successors, (7106), 41 states have internal predecessors, (7106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:10:41,188 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 42 states, 42 states have (on average 239.0) internal successors, (10038), 42 states have internal predecessors, (10038), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:10:41,189 INFO L81 ComplementDD]: Finished complementDD. Result has 42 states, 42 states have (on average 239.0) internal successors, (10038), 42 states have internal predecessors, (10038), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:10:41,189 INFO L186 Difference]: Start difference. First operand has 621 places, 1207 transitions, 11767 flow. Second operand 41 states and 7106 transitions. [2022-01-19 01:10:41,189 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 657 places, 1544 transitions, 17109 flow [2022-01-19 01:10:44,400 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 648 places, 1544 transitions, 15909 flow, removed 478 selfloop flow, removed 9 redundant places. [2022-01-19 01:10:44,415 INFO L242 Difference]: Finished difference. Result has 660 places, 1279 transitions, 12948 flow [2022-01-19 01:10:44,416 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=10679, PETRI_DIFFERENCE_MINUEND_PLACES=608, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1207, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=387, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=808, PETRI_DIFFERENCE_SUBTRAHEND_STATES=41, PETRI_FLOW=12948, PETRI_PLACES=660, PETRI_TRANSITIONS=1279} [2022-01-19 01:10:44,416 INFO L334 CegarLoopForPetriNet]: 209 programPoint places, 451 predicate places. [2022-01-19 01:10:44,416 INFO L470 AbstractCegarLoop]: Abstraction has has 660 places, 1279 transitions, 12948 flow [2022-01-19 01:10:44,417 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 165.375) internal successors, (3969), 24 states have internal predecessors, (3969), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:10:44,417 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 01:10:44,417 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 01:10:44,417 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-01-19 01:10:44,417 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATION, thread1Err6INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 7 more)] === [2022-01-19 01:10:44,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 01:10:44,418 INFO L85 PathProgramCache]: Analyzing trace with hash 2043884936, now seen corresponding path program 11 times [2022-01-19 01:10:44,418 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 01:10:44,418 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898056289] [2022-01-19 01:10:44,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 01:10:44,418 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 01:10:44,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 01:10:45,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 01:10:45,308 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 01:10:45,308 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1898056289] [2022-01-19 01:10:45,308 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1898056289] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 01:10:45,308 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 01:10:45,308 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-19 01:10:45,308 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146958391] [2022-01-19 01:10:45,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 01:10:45,309 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-19 01:10:45,309 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 01:10:45,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-19 01:10:45,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=629, Unknown=0, NotChecked=0, Total=702 [2022-01-19 01:10:45,313 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 159 out of 239 [2022-01-19 01:10:45,315 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 660 places, 1279 transitions, 12948 flow. Second operand has 27 states, 27 states have (on average 161.22222222222223) internal successors, (4353), 27 states have internal predecessors, (4353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:10:45,315 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 01:10:45,315 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 159 of 239 [2022-01-19 01:10:45,316 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 01:10:56,619 INFO L129 PetriNetUnfolder]: 15425/29911 cut-off events. [2022-01-19 01:10:56,620 INFO L130 PetriNetUnfolder]: For 311548/311552 co-relation queries the response was YES. [2022-01-19 01:10:57,342 INFO L84 FinitePrefix]: Finished finitePrefix Result has 133561 conditions, 29911 events. 15425/29911 cut-off events. For 311548/311552 co-relation queries the response was YES. Maximal size of possible extension queue 799. Compared 267158 event pairs, 3849 based on Foata normal form. 1/27225 useless extension candidates. Maximal degree in co-relation 133342. Up to 13722 conditions per place. [2022-01-19 01:10:57,483 INFO L132 encePairwiseOnDemand]: 213/239 looper letters, 1139 selfloop transitions, 669 changer transitions 22/1960 dead transitions. [2022-01-19 01:10:57,483 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 712 places, 1960 transitions, 24293 flow [2022-01-19 01:10:57,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-01-19 01:10:57,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2022-01-19 01:10:57,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 9590 transitions. [2022-01-19 01:10:57,490 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.703956544079865 [2022-01-19 01:10:57,491 INFO L72 ComplementDD]: Start complementDD. Operand 57 states and 9590 transitions. [2022-01-19 01:10:57,491 INFO L73 IsDeterministic]: Start isDeterministic. Operand 57 states and 9590 transitions. [2022-01-19 01:10:57,492 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 01:10:57,492 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 57 states and 9590 transitions. [2022-01-19 01:10:57,503 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 58 states, 57 states have (on average 168.24561403508773) internal successors, (9590), 57 states have internal predecessors, (9590), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:10:57,513 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 58 states, 58 states have (on average 239.0) internal successors, (13862), 58 states have internal predecessors, (13862), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:10:57,514 INFO L81 ComplementDD]: Finished complementDD. Result has 58 states, 58 states have (on average 239.0) internal successors, (13862), 58 states have internal predecessors, (13862), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:10:57,514 INFO L186 Difference]: Start difference. First operand has 660 places, 1279 transitions, 12948 flow. Second operand 57 states and 9590 transitions. [2022-01-19 01:10:57,514 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 712 places, 1960 transitions, 24293 flow [2022-01-19 01:11:00,669 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 701 places, 1960 transitions, 22957 flow, removed 413 selfloop flow, removed 11 redundant places. [2022-01-19 01:11:00,691 INFO L242 Difference]: Finished difference. Result has 730 places, 1667 transitions, 19717 flow [2022-01-19 01:11:00,693 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=11986, PETRI_DIFFERENCE_MINUEND_PLACES=645, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1279, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=331, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=854, PETRI_DIFFERENCE_SUBTRAHEND_STATES=57, PETRI_FLOW=19717, PETRI_PLACES=730, PETRI_TRANSITIONS=1667} [2022-01-19 01:11:00,693 INFO L334 CegarLoopForPetriNet]: 209 programPoint places, 521 predicate places. [2022-01-19 01:11:00,693 INFO L470 AbstractCegarLoop]: Abstraction has has 730 places, 1667 transitions, 19717 flow [2022-01-19 01:11:00,694 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 161.22222222222223) internal successors, (4353), 27 states have internal predecessors, (4353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:11:00,694 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 01:11:00,694 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 01:11:00,694 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-01-19 01:11:00,694 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATION, thread1Err6INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 7 more)] === [2022-01-19 01:11:00,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 01:11:00,695 INFO L85 PathProgramCache]: Analyzing trace with hash 1591201676, now seen corresponding path program 12 times [2022-01-19 01:11:00,695 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 01:11:00,695 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120262414] [2022-01-19 01:11:00,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 01:11:00,695 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 01:11:00,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 01:11:01,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 01:11:01,564 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 01:11:01,564 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [120262414] [2022-01-19 01:11:01,564 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [120262414] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 01:11:01,564 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 01:11:01,564 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2022-01-19 01:11:01,564 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020671959] [2022-01-19 01:11:01,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 01:11:01,564 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-01-19 01:11:01,564 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 01:11:01,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-01-19 01:11:01,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=673, Unknown=0, NotChecked=0, Total=756 [2022-01-19 01:11:01,567 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 159 out of 239 [2022-01-19 01:11:01,568 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 730 places, 1667 transitions, 19717 flow. Second operand has 28 states, 28 states have (on average 161.14285714285714) internal successors, (4512), 28 states have internal predecessors, (4512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:11:01,568 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 01:11:01,568 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 159 of 239 [2022-01-19 01:11:01,568 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 01:11:14,681 INFO L129 PetriNetUnfolder]: 16792/32630 cut-off events. [2022-01-19 01:11:14,681 INFO L130 PetriNetUnfolder]: For 452770/452777 co-relation queries the response was YES. [2022-01-19 01:11:15,872 INFO L84 FinitePrefix]: Finished finitePrefix Result has 158783 conditions, 32630 events. 16792/32630 cut-off events. For 452770/452777 co-relation queries the response was YES. Maximal size of possible extension queue 843. Compared 295899 event pairs, 4301 based on Foata normal form. 5/29740 useless extension candidates. Maximal degree in co-relation 158527. Up to 15069 conditions per place. [2022-01-19 01:11:16,039 INFO L132 encePairwiseOnDemand]: 213/239 looper letters, 1258 selfloop transitions, 858 changer transitions 22/2268 dead transitions. [2022-01-19 01:11:16,040 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 790 places, 2268 transitions, 31567 flow [2022-01-19 01:11:16,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2022-01-19 01:11:16,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2022-01-19 01:11:16,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 10747 transitions. [2022-01-19 01:11:16,045 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7026019874476988 [2022-01-19 01:11:16,045 INFO L72 ComplementDD]: Start complementDD. Operand 64 states and 10747 transitions. [2022-01-19 01:11:16,045 INFO L73 IsDeterministic]: Start isDeterministic. Operand 64 states and 10747 transitions. [2022-01-19 01:11:16,046 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 01:11:16,047 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 64 states and 10747 transitions. [2022-01-19 01:11:16,056 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 65 states, 64 states have (on average 167.921875) internal successors, (10747), 64 states have internal predecessors, (10747), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:11:16,068 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 65 states, 65 states have (on average 239.0) internal successors, (15535), 65 states have internal predecessors, (15535), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:11:16,070 INFO L81 ComplementDD]: Finished complementDD. Result has 65 states, 65 states have (on average 239.0) internal successors, (15535), 65 states have internal predecessors, (15535), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:11:16,070 INFO L186 Difference]: Start difference. First operand has 730 places, 1667 transitions, 19717 flow. Second operand 64 states and 10747 transitions. [2022-01-19 01:11:16,070 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 790 places, 2268 transitions, 31567 flow [2022-01-19 01:11:19,824 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 785 places, 2268 transitions, 30525 flow, removed 519 selfloop flow, removed 5 redundant places. [2022-01-19 01:11:19,856 INFO L242 Difference]: Finished difference. Result has 807 places, 1951 transitions, 26692 flow [2022-01-19 01:11:19,858 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=18779, PETRI_DIFFERENCE_MINUEND_PLACES=722, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1667, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=600, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1041, PETRI_DIFFERENCE_SUBTRAHEND_STATES=64, PETRI_FLOW=26692, PETRI_PLACES=807, PETRI_TRANSITIONS=1951} [2022-01-19 01:11:19,859 INFO L334 CegarLoopForPetriNet]: 209 programPoint places, 598 predicate places. [2022-01-19 01:11:19,859 INFO L470 AbstractCegarLoop]: Abstraction has has 807 places, 1951 transitions, 26692 flow [2022-01-19 01:11:19,860 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 161.14285714285714) internal successors, (4512), 28 states have internal predecessors, (4512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:11:19,860 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 01:11:19,860 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 01:11:19,860 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-01-19 01:11:19,861 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATION, thread1Err6INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 7 more)] === [2022-01-19 01:11:19,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 01:11:19,861 INFO L85 PathProgramCache]: Analyzing trace with hash 361135332, now seen corresponding path program 13 times [2022-01-19 01:11:19,861 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 01:11:19,861 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933682219] [2022-01-19 01:11:19,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 01:11:19,862 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 01:11:19,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 01:11:20,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 01:11:20,725 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 01:11:20,725 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1933682219] [2022-01-19 01:11:20,725 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1933682219] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 01:11:20,725 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 01:11:20,725 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2022-01-19 01:11:20,725 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024089565] [2022-01-19 01:11:20,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 01:11:20,726 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-01-19 01:11:20,726 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 01:11:20,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-01-19 01:11:20,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=674, Unknown=0, NotChecked=0, Total=756 [2022-01-19 01:11:20,728 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 159 out of 239 [2022-01-19 01:11:20,729 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 807 places, 1951 transitions, 26692 flow. Second operand has 28 states, 28 states have (on average 161.14285714285714) internal successors, (4512), 28 states have internal predecessors, (4512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:11:20,729 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 01:11:20,729 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 159 of 239 [2022-01-19 01:11:20,729 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 01:11:36,747 INFO L129 PetriNetUnfolder]: 18363/35636 cut-off events. [2022-01-19 01:11:36,747 INFO L130 PetriNetUnfolder]: For 661428/661430 co-relation queries the response was YES. [2022-01-19 01:11:38,462 INFO L84 FinitePrefix]: Finished finitePrefix Result has 185311 conditions, 35636 events. 18363/35636 cut-off events. For 661428/661430 co-relation queries the response was YES. Maximal size of possible extension queue 937. Compared 327019 event pairs, 4344 based on Foata normal form. 3/32502 useless extension candidates. Maximal degree in co-relation 185025. Up to 16025 conditions per place. [2022-01-19 01:11:38,649 INFO L132 encePairwiseOnDemand]: 213/239 looper letters, 1333 selfloop transitions, 953 changer transitions 22/2438 dead transitions. [2022-01-19 01:11:38,649 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 857 places, 2438 transitions, 37049 flow [2022-01-19 01:11:38,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-01-19 01:11:38,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2022-01-19 01:11:38,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 9141 transitions. [2022-01-19 01:11:38,653 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.708275220827522 [2022-01-19 01:11:38,653 INFO L72 ComplementDD]: Start complementDD. Operand 54 states and 9141 transitions. [2022-01-19 01:11:38,654 INFO L73 IsDeterministic]: Start isDeterministic. Operand 54 states and 9141 transitions. [2022-01-19 01:11:38,655 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 01:11:38,655 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 54 states and 9141 transitions. [2022-01-19 01:11:38,659 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 55 states, 54 states have (on average 169.27777777777777) internal successors, (9141), 54 states have internal predecessors, (9141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:11:38,667 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 55 states, 55 states have (on average 239.0) internal successors, (13145), 55 states have internal predecessors, (13145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:11:38,668 INFO L81 ComplementDD]: Finished complementDD. Result has 55 states, 55 states have (on average 239.0) internal successors, (13145), 55 states have internal predecessors, (13145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:11:38,668 INFO L186 Difference]: Start difference. First operand has 807 places, 1951 transitions, 26692 flow. Second operand 54 states and 9141 transitions. [2022-01-19 01:11:38,668 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 857 places, 2438 transitions, 37049 flow [2022-01-19 01:11:43,893 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 850 places, 2438 transitions, 33939 flow, removed 1462 selfloop flow, removed 7 redundant places. [2022-01-19 01:11:43,932 INFO L242 Difference]: Finished difference. Result has 866 places, 2110 transitions, 29602 flow [2022-01-19 01:11:43,934 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=24050, PETRI_DIFFERENCE_MINUEND_PLACES=797, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1951, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=812, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1127, PETRI_DIFFERENCE_SUBTRAHEND_STATES=54, PETRI_FLOW=29602, PETRI_PLACES=866, PETRI_TRANSITIONS=2110} [2022-01-19 01:11:43,935 INFO L334 CegarLoopForPetriNet]: 209 programPoint places, 657 predicate places. [2022-01-19 01:11:43,935 INFO L470 AbstractCegarLoop]: Abstraction has has 866 places, 2110 transitions, 29602 flow [2022-01-19 01:11:43,935 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 161.14285714285714) internal successors, (4512), 28 states have internal predecessors, (4512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:11:43,936 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 01:11:43,936 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 01:11:43,936 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-01-19 01:11:43,936 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATION, thread1Err6INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 7 more)] === [2022-01-19 01:11:43,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 01:11:43,936 INFO L85 PathProgramCache]: Analyzing trace with hash -476255420, now seen corresponding path program 14 times [2022-01-19 01:11:43,936 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 01:11:43,936 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201169357] [2022-01-19 01:11:43,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 01:11:43,937 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 01:11:43,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 01:11:44,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 01:11:44,402 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 01:11:44,402 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [201169357] [2022-01-19 01:11:44,402 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [201169357] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 01:11:44,402 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 01:11:44,402 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2022-01-19 01:11:44,403 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538094348] [2022-01-19 01:11:44,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 01:11:44,403 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-01-19 01:11:44,403 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 01:11:44,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-01-19 01:11:44,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=447, Unknown=0, NotChecked=0, Total=506 [2022-01-19 01:11:44,405 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 239 [2022-01-19 01:11:44,407 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 866 places, 2110 transitions, 29602 flow. Second operand has 23 states, 23 states have (on average 165.47826086956522) internal successors, (3806), 23 states have internal predecessors, (3806), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:11:44,407 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 01:11:44,407 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 239 [2022-01-19 01:11:44,407 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 01:11:59,579 INFO L129 PetriNetUnfolder]: 18590/35834 cut-off events. [2022-01-19 01:11:59,579 INFO L130 PetriNetUnfolder]: For 776791/776837 co-relation queries the response was YES. [2022-01-19 01:12:01,424 INFO L84 FinitePrefix]: Finished finitePrefix Result has 190358 conditions, 35834 events. 18590/35834 cut-off events. For 776791/776837 co-relation queries the response was YES. Maximal size of possible extension queue 972. Compared 328371 event pairs, 4641 based on Foata normal form. 5/32585 useless extension candidates. Maximal degree in co-relation 190077. Up to 16528 conditions per place. [2022-01-19 01:12:01,618 INFO L132 encePairwiseOnDemand]: 216/239 looper letters, 1244 selfloop transitions, 998 changer transitions 22/2403 dead transitions. [2022-01-19 01:12:01,618 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 897 places, 2403 transitions, 37362 flow [2022-01-19 01:12:01,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-01-19 01:12:01,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2022-01-19 01:12:01,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 6066 transitions. [2022-01-19 01:12:01,621 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7251643753735804 [2022-01-19 01:12:01,621 INFO L72 ComplementDD]: Start complementDD. Operand 35 states and 6066 transitions. [2022-01-19 01:12:01,621 INFO L73 IsDeterministic]: Start isDeterministic. Operand 35 states and 6066 transitions. [2022-01-19 01:12:01,622 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 01:12:01,622 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 35 states and 6066 transitions. [2022-01-19 01:12:01,627 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 36 states, 35 states have (on average 173.31428571428572) internal successors, (6066), 35 states have internal predecessors, (6066), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:12:01,631 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 36 states, 36 states have (on average 239.0) internal successors, (8604), 36 states have internal predecessors, (8604), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:12:01,632 INFO L81 ComplementDD]: Finished complementDD. Result has 36 states, 36 states have (on average 239.0) internal successors, (8604), 36 states have internal predecessors, (8604), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:12:01,632 INFO L186 Difference]: Start difference. First operand has 866 places, 2110 transitions, 29602 flow. Second operand 35 states and 6066 transitions. [2022-01-19 01:12:01,632 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 897 places, 2403 transitions, 37362 flow [2022-01-19 01:12:09,682 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 885 places, 2403 transitions, 35090 flow, removed 900 selfloop flow, removed 12 redundant places. [2022-01-19 01:12:09,722 INFO L242 Difference]: Finished difference. Result has 894 places, 2199 transitions, 31457 flow [2022-01-19 01:12:09,724 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=27346, PETRI_DIFFERENCE_MINUEND_PLACES=851, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2110, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=919, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1179, PETRI_DIFFERENCE_SUBTRAHEND_STATES=35, PETRI_FLOW=31457, PETRI_PLACES=894, PETRI_TRANSITIONS=2199} [2022-01-19 01:12:09,724 INFO L334 CegarLoopForPetriNet]: 209 programPoint places, 685 predicate places. [2022-01-19 01:12:09,724 INFO L470 AbstractCegarLoop]: Abstraction has has 894 places, 2199 transitions, 31457 flow [2022-01-19 01:12:09,725 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 165.47826086956522) internal successors, (3806), 23 states have internal predecessors, (3806), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:12:09,725 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 01:12:09,725 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 01:12:09,725 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-01-19 01:12:09,725 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATION, thread1Err6INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 7 more)] === [2022-01-19 01:12:09,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 01:12:09,726 INFO L85 PathProgramCache]: Analyzing trace with hash -1666601890, now seen corresponding path program 15 times [2022-01-19 01:12:09,726 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 01:12:09,726 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123131851] [2022-01-19 01:12:09,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 01:12:09,726 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 01:12:09,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 01:12:10,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 01:12:10,266 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 01:12:10,266 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2123131851] [2022-01-19 01:12:10,266 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2123131851] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 01:12:10,266 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 01:12:10,266 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-01-19 01:12:10,266 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2032579169] [2022-01-19 01:12:10,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 01:12:10,267 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-01-19 01:12:10,267 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 01:12:10,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-01-19 01:12:10,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=494, Unknown=0, NotChecked=0, Total=552 [2022-01-19 01:12:10,269 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 239 [2022-01-19 01:12:10,271 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 894 places, 2199 transitions, 31457 flow. Second operand has 24 states, 24 states have (on average 165.375) internal successors, (3969), 24 states have internal predecessors, (3969), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:12:10,271 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 01:12:10,271 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 239 [2022-01-19 01:12:10,271 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 01:12:25,230 INFO L129 PetriNetUnfolder]: 19072/37190 cut-off events. [2022-01-19 01:12:25,230 INFO L130 PetriNetUnfolder]: For 828159/828205 co-relation queries the response was YES. [2022-01-19 01:12:27,183 INFO L84 FinitePrefix]: Finished finitePrefix Result has 196479 conditions, 37190 events. 19072/37190 cut-off events. For 828159/828205 co-relation queries the response was YES. Maximal size of possible extension queue 996. Compared 346462 event pairs, 4379 based on Foata normal form. 5/33695 useless extension candidates. Maximal degree in co-relation 196186. Up to 16997 conditions per place. [2022-01-19 01:12:27,382 INFO L132 encePairwiseOnDemand]: 216/239 looper letters, 1413 selfloop transitions, 939 changer transitions 22/2513 dead transitions. [2022-01-19 01:12:27,382 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 930 places, 2513 transitions, 39538 flow [2022-01-19 01:12:27,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-01-19 01:12:27,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2022-01-19 01:12:27,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 7097 transitions. [2022-01-19 01:12:27,386 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7242575773038065 [2022-01-19 01:12:27,386 INFO L72 ComplementDD]: Start complementDD. Operand 41 states and 7097 transitions. [2022-01-19 01:12:27,386 INFO L73 IsDeterministic]: Start isDeterministic. Operand 41 states and 7097 transitions. [2022-01-19 01:12:27,387 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 01:12:27,387 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 41 states and 7097 transitions. [2022-01-19 01:12:27,392 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 42 states, 41 states have (on average 173.09756097560975) internal successors, (7097), 41 states have internal predecessors, (7097), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:12:27,398 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 42 states, 42 states have (on average 239.0) internal successors, (10038), 42 states have internal predecessors, (10038), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:12:27,399 INFO L81 ComplementDD]: Finished complementDD. Result has 42 states, 42 states have (on average 239.0) internal successors, (10038), 42 states have internal predecessors, (10038), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:12:27,399 INFO L186 Difference]: Start difference. First operand has 894 places, 2199 transitions, 31457 flow. Second operand 41 states and 7097 transitions. [2022-01-19 01:12:27,399 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 930 places, 2513 transitions, 39538 flow [2022-01-19 01:12:33,389 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 921 places, 2513 transitions, 38280 flow, removed 396 selfloop flow, removed 9 redundant places. [2022-01-19 01:12:33,425 INFO L242 Difference]: Finished difference. Result has 929 places, 2259 transitions, 33727 flow [2022-01-19 01:12:33,427 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=30229, PETRI_DIFFERENCE_MINUEND_PLACES=881, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2199, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=887, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1306, PETRI_DIFFERENCE_SUBTRAHEND_STATES=41, PETRI_FLOW=33727, PETRI_PLACES=929, PETRI_TRANSITIONS=2259} [2022-01-19 01:12:33,428 INFO L334 CegarLoopForPetriNet]: 209 programPoint places, 720 predicate places. [2022-01-19 01:12:33,428 INFO L470 AbstractCegarLoop]: Abstraction has has 929 places, 2259 transitions, 33727 flow [2022-01-19 01:12:33,428 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 165.375) internal successors, (3969), 24 states have internal predecessors, (3969), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:12:33,428 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 01:12:33,429 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 01:12:33,429 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-01-19 01:12:33,429 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATION, thread1Err6INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 7 more)] === [2022-01-19 01:12:33,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 01:12:33,429 INFO L85 PathProgramCache]: Analyzing trace with hash 1560086346, now seen corresponding path program 16 times [2022-01-19 01:12:33,429 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 01:12:33,429 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795458316] [2022-01-19 01:12:33,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 01:12:33,430 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 01:12:33,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 01:12:33,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 01:12:33,948 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 01:12:33,948 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1795458316] [2022-01-19 01:12:33,948 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1795458316] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 01:12:33,948 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 01:12:33,948 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2022-01-19 01:12:33,948 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [880720430] [2022-01-19 01:12:33,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 01:12:33,949 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-01-19 01:12:33,949 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 01:12:33,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-01-19 01:12:33,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=449, Unknown=0, NotChecked=0, Total=506 [2022-01-19 01:12:33,951 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 239 [2022-01-19 01:12:33,953 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 929 places, 2259 transitions, 33727 flow. Second operand has 23 states, 23 states have (on average 165.47826086956522) internal successors, (3806), 23 states have internal predecessors, (3806), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:12:33,953 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 01:12:33,953 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 239 [2022-01-19 01:12:33,953 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 01:12:49,854 INFO L129 PetriNetUnfolder]: 19361/37919 cut-off events. [2022-01-19 01:12:49,855 INFO L130 PetriNetUnfolder]: For 871059/871105 co-relation queries the response was YES. [2022-01-19 01:12:51,659 INFO L84 FinitePrefix]: Finished finitePrefix Result has 202761 conditions, 37919 events. 19361/37919 cut-off events. For 871059/871105 co-relation queries the response was YES. Maximal size of possible extension queue 1015. Compared 355460 event pairs, 4634 based on Foata normal form. 5/34345 useless extension candidates. Maximal degree in co-relation 202465. Up to 17443 conditions per place. [2022-01-19 01:12:51,860 INFO L132 encePairwiseOnDemand]: 216/239 looper letters, 1383 selfloop transitions, 983 changer transitions 22/2527 dead transitions. [2022-01-19 01:12:51,860 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 962 places, 2527 transitions, 41621 flow [2022-01-19 01:12:51,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-01-19 01:12:51,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2022-01-19 01:12:51,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 6586 transitions. [2022-01-19 01:12:51,863 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7251706672539089 [2022-01-19 01:12:51,863 INFO L72 ComplementDD]: Start complementDD. Operand 38 states and 6586 transitions. [2022-01-19 01:12:51,863 INFO L73 IsDeterministic]: Start isDeterministic. Operand 38 states and 6586 transitions. [2022-01-19 01:12:51,864 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 01:12:51,864 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 38 states and 6586 transitions. [2022-01-19 01:12:51,867 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 39 states, 38 states have (on average 173.31578947368422) internal successors, (6586), 38 states have internal predecessors, (6586), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:12:51,871 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 39 states, 39 states have (on average 239.0) internal successors, (9321), 39 states have internal predecessors, (9321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:12:51,871 INFO L81 ComplementDD]: Finished complementDD. Result has 39 states, 39 states have (on average 239.0) internal successors, (9321), 39 states have internal predecessors, (9321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:12:51,871 INFO L186 Difference]: Start difference. First operand has 929 places, 2259 transitions, 33727 flow. Second operand 38 states and 6586 transitions. [2022-01-19 01:12:51,871 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 962 places, 2527 transitions, 41621 flow [2022-01-19 01:12:57,931 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 950 places, 2527 transitions, 39864 flow, removed 588 selfloop flow, removed 12 redundant places. [2022-01-19 01:12:57,967 INFO L242 Difference]: Finished difference. Result has 958 places, 2299 transitions, 35317 flow [2022-01-19 01:12:57,969 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=32142, PETRI_DIFFERENCE_MINUEND_PLACES=913, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2259, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=948, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1306, PETRI_DIFFERENCE_SUBTRAHEND_STATES=38, PETRI_FLOW=35317, PETRI_PLACES=958, PETRI_TRANSITIONS=2299} [2022-01-19 01:12:57,969 INFO L334 CegarLoopForPetriNet]: 209 programPoint places, 749 predicate places. [2022-01-19 01:12:57,969 INFO L470 AbstractCegarLoop]: Abstraction has has 958 places, 2299 transitions, 35317 flow [2022-01-19 01:12:57,970 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 165.47826086956522) internal successors, (3806), 23 states have internal predecessors, (3806), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:12:57,970 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 01:12:57,970 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 01:12:57,970 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-01-19 01:12:57,970 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATION, thread1Err6INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 7 more)] === [2022-01-19 01:12:57,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 01:12:57,971 INFO L85 PathProgramCache]: Analyzing trace with hash 2143354116, now seen corresponding path program 17 times [2022-01-19 01:12:57,971 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 01:12:57,971 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385920503] [2022-01-19 01:12:57,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 01:12:57,971 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 01:12:58,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 01:12:58,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 01:12:58,460 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 01:12:58,460 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1385920503] [2022-01-19 01:12:58,460 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1385920503] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 01:12:58,460 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 01:12:58,460 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-01-19 01:12:58,460 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588121616] [2022-01-19 01:12:58,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 01:12:58,460 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-01-19 01:12:58,460 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 01:12:58,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-01-19 01:12:58,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=494, Unknown=0, NotChecked=0, Total=552 [2022-01-19 01:12:58,462 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 239 [2022-01-19 01:12:58,464 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 958 places, 2299 transitions, 35317 flow. Second operand has 24 states, 24 states have (on average 165.375) internal successors, (3969), 24 states have internal predecessors, (3969), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:12:58,464 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 01:12:58,464 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 239 [2022-01-19 01:12:58,464 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 01:13:14,506 INFO L129 PetriNetUnfolder]: 19710/38467 cut-off events. [2022-01-19 01:13:14,507 INFO L130 PetriNetUnfolder]: For 860502/860548 co-relation queries the response was YES. [2022-01-19 01:13:16,669 INFO L84 FinitePrefix]: Finished finitePrefix Result has 207265 conditions, 38467 events. 19710/38467 cut-off events. For 860502/860548 co-relation queries the response was YES. Maximal size of possible extension queue 1040. Compared 360697 event pairs, 4965 based on Foata normal form. 5/34785 useless extension candidates. Maximal degree in co-relation 206962. Up to 17834 conditions per place. [2022-01-19 01:13:16,882 INFO L132 encePairwiseOnDemand]: 216/239 looper letters, 1415 selfloop transitions, 968 changer transitions 22/2544 dead transitions. [2022-01-19 01:13:16,882 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 989 places, 2544 transitions, 42319 flow [2022-01-19 01:13:16,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-01-19 01:13:16,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2022-01-19 01:13:16,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 6233 transitions. [2022-01-19 01:13:16,885 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7244304974430498 [2022-01-19 01:13:16,885 INFO L72 ComplementDD]: Start complementDD. Operand 36 states and 6233 transitions. [2022-01-19 01:13:16,885 INFO L73 IsDeterministic]: Start isDeterministic. Operand 36 states and 6233 transitions. [2022-01-19 01:13:16,886 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 01:13:16,886 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 36 states and 6233 transitions. [2022-01-19 01:13:16,889 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 37 states, 36 states have (on average 173.13888888888889) internal successors, (6233), 36 states have internal predecessors, (6233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:13:16,893 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 37 states, 37 states have (on average 239.0) internal successors, (8843), 37 states have internal predecessors, (8843), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:13:16,893 INFO L81 ComplementDD]: Finished complementDD. Result has 37 states, 37 states have (on average 239.0) internal successors, (8843), 37 states have internal predecessors, (8843), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:13:16,893 INFO L186 Difference]: Start difference. First operand has 958 places, 2299 transitions, 35317 flow. Second operand 36 states and 6233 transitions. [2022-01-19 01:13:16,893 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 989 places, 2544 transitions, 42319 flow [2022-01-19 01:13:22,450 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 972 places, 2544 transitions, 40760 flow, removed 368 selfloop flow, removed 17 redundant places. [2022-01-19 01:13:22,493 INFO L242 Difference]: Finished difference. Result has 978 places, 2328 transitions, 36784 flow [2022-01-19 01:13:22,496 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=33784, PETRI_DIFFERENCE_MINUEND_PLACES=937, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2299, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=945, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1351, PETRI_DIFFERENCE_SUBTRAHEND_STATES=36, PETRI_FLOW=36784, PETRI_PLACES=978, PETRI_TRANSITIONS=2328} [2022-01-19 01:13:22,496 INFO L334 CegarLoopForPetriNet]: 209 programPoint places, 769 predicate places. [2022-01-19 01:13:22,496 INFO L470 AbstractCegarLoop]: Abstraction has has 978 places, 2328 transitions, 36784 flow [2022-01-19 01:13:22,497 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 165.375) internal successors, (3969), 24 states have internal predecessors, (3969), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:13:22,497 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 01:13:22,497 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 01:13:22,497 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-01-19 01:13:22,497 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATION, thread1Err6INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 7 more)] === [2022-01-19 01:13:22,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 01:13:22,498 INFO L85 PathProgramCache]: Analyzing trace with hash 2057651100, now seen corresponding path program 18 times [2022-01-19 01:13:22,498 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 01:13:22,498 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768383819] [2022-01-19 01:13:22,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 01:13:22,498 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 01:13:22,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 01:13:23,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 01:13:23,372 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 01:13:23,372 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [768383819] [2022-01-19 01:13:23,372 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [768383819] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 01:13:23,372 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 01:13:23,373 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2022-01-19 01:13:23,373 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846943021] [2022-01-19 01:13:23,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 01:13:23,373 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-01-19 01:13:23,373 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 01:13:23,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-01-19 01:13:23,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=670, Unknown=0, NotChecked=0, Total=756 [2022-01-19 01:13:23,376 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 159 out of 239 [2022-01-19 01:13:23,378 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 978 places, 2328 transitions, 36784 flow. Second operand has 28 states, 28 states have (on average 161.14285714285714) internal successors, (4512), 28 states have internal predecessors, (4512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:13:23,378 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 01:13:23,378 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 159 of 239 [2022-01-19 01:13:23,378 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 01:13:43,488 INFO L129 PetriNetUnfolder]: 20220/39806 cut-off events. [2022-01-19 01:13:43,488 INFO L130 PetriNetUnfolder]: For 904264/904266 co-relation queries the response was YES. [2022-01-19 01:13:46,191 INFO L84 FinitePrefix]: Finished finitePrefix Result has 215034 conditions, 39806 events. 20220/39806 cut-off events. For 904264/904266 co-relation queries the response was YES. Maximal size of possible extension queue 1069. Compared 376366 event pairs, 4760 based on Foata normal form. 3/35980 useless extension candidates. Maximal degree in co-relation 214661. Up to 18324 conditions per place. [2022-01-19 01:13:46,414 INFO L132 encePairwiseOnDemand]: 213/239 looper letters, 1500 selfloop transitions, 992 changer transitions 22/2644 dead transitions. [2022-01-19 01:13:46,414 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1023 places, 2644 transitions, 44774 flow [2022-01-19 01:13:46,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-01-19 01:13:46,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2022-01-19 01:13:46,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 8465 transitions. [2022-01-19 01:13:46,418 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7083682008368201 [2022-01-19 01:13:46,418 INFO L72 ComplementDD]: Start complementDD. Operand 50 states and 8465 transitions. [2022-01-19 01:13:46,418 INFO L73 IsDeterministic]: Start isDeterministic. Operand 50 states and 8465 transitions. [2022-01-19 01:13:46,419 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 01:13:46,419 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 50 states and 8465 transitions. [2022-01-19 01:13:46,423 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 51 states, 50 states have (on average 169.3) internal successors, (8465), 50 states have internal predecessors, (8465), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:13:46,428 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 51 states, 51 states have (on average 239.0) internal successors, (12189), 51 states have internal predecessors, (12189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:13:46,429 INFO L81 ComplementDD]: Finished complementDD. Result has 51 states, 51 states have (on average 239.0) internal successors, (12189), 51 states have internal predecessors, (12189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:13:46,429 INFO L186 Difference]: Start difference. First operand has 978 places, 2328 transitions, 36784 flow. Second operand 50 states and 8465 transitions. [2022-01-19 01:13:46,429 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1023 places, 2644 transitions, 44774 flow [2022-01-19 01:13:54,148 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1009 places, 2644 transitions, 43092 flow, removed 432 selfloop flow, removed 14 redundant places. [2022-01-19 01:13:54,195 INFO L242 Difference]: Finished difference. Result has 1014 places, 2353 transitions, 37974 flow [2022-01-19 01:13:54,198 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=35118, PETRI_DIFFERENCE_MINUEND_PLACES=960, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2328, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=971, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1355, PETRI_DIFFERENCE_SUBTRAHEND_STATES=50, PETRI_FLOW=37974, PETRI_PLACES=1014, PETRI_TRANSITIONS=2353} [2022-01-19 01:13:54,198 INFO L334 CegarLoopForPetriNet]: 209 programPoint places, 805 predicate places. [2022-01-19 01:13:54,198 INFO L470 AbstractCegarLoop]: Abstraction has has 1014 places, 2353 transitions, 37974 flow [2022-01-19 01:13:54,199 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 161.14285714285714) internal successors, (4512), 28 states have internal predecessors, (4512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:13:54,199 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 01:13:54,199 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 01:13:54,199 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-01-19 01:13:54,200 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATION, thread1Err6INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 7 more)] === [2022-01-19 01:13:54,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 01:13:54,200 INFO L85 PathProgramCache]: Analyzing trace with hash -26021848, now seen corresponding path program 19 times [2022-01-19 01:13:54,200 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 01:13:54,201 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184668000] [2022-01-19 01:13:54,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 01:13:54,201 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 01:13:54,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 01:13:54,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 01:13:54,713 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 01:13:54,713 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [184668000] [2022-01-19 01:13:54,713 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [184668000] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 01:13:54,713 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 01:13:54,713 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-01-19 01:13:54,713 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971771180] [2022-01-19 01:13:54,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 01:13:54,714 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-01-19 01:13:54,714 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 01:13:54,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-01-19 01:13:54,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=492, Unknown=0, NotChecked=0, Total=552 [2022-01-19 01:13:54,716 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 239 [2022-01-19 01:13:54,718 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1014 places, 2353 transitions, 37974 flow. Second operand has 24 states, 24 states have (on average 165.375) internal successors, (3969), 24 states have internal predecessors, (3969), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:13:54,718 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 01:13:54,718 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 239 [2022-01-19 01:13:54,718 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 01:14:11,598 INFO L129 PetriNetUnfolder]: 20226/39652 cut-off events. [2022-01-19 01:14:11,598 INFO L130 PetriNetUnfolder]: For 940825/940871 co-relation queries the response was YES. [2022-01-19 01:14:13,962 INFO L84 FinitePrefix]: Finished finitePrefix Result has 217892 conditions, 39652 events. 20226/39652 cut-off events. For 940825/940871 co-relation queries the response was YES. Maximal size of possible extension queue 1103. Compared 375214 event pairs, 4880 based on Foata normal form. 5/35732 useless extension candidates. Maximal degree in co-relation 217576. Up to 18637 conditions per place. [2022-01-19 01:14:14,182 INFO L132 encePairwiseOnDemand]: 216/239 looper letters, 1433 selfloop transitions, 973 changer transitions 22/2567 dead transitions. [2022-01-19 01:14:14,182 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1042 places, 2567 transitions, 44767 flow [2022-01-19 01:14:14,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-01-19 01:14:14,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2022-01-19 01:14:14,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 5551 transitions. [2022-01-19 01:14:14,185 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.725810669456067 [2022-01-19 01:14:14,185 INFO L72 ComplementDD]: Start complementDD. Operand 32 states and 5551 transitions. [2022-01-19 01:14:14,185 INFO L73 IsDeterministic]: Start isDeterministic. Operand 32 states and 5551 transitions. [2022-01-19 01:14:14,185 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 01:14:14,185 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 32 states and 5551 transitions. [2022-01-19 01:14:14,188 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 33 states, 32 states have (on average 173.46875) internal successors, (5551), 32 states have internal predecessors, (5551), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:14:14,191 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 33 states, 33 states have (on average 239.0) internal successors, (7887), 33 states have internal predecessors, (7887), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:14:14,191 INFO L81 ComplementDD]: Finished complementDD. Result has 33 states, 33 states have (on average 239.0) internal successors, (7887), 33 states have internal predecessors, (7887), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:14:14,192 INFO L186 Difference]: Start difference. First operand has 1014 places, 2353 transitions, 37974 flow. Second operand 32 states and 5551 transitions. [2022-01-19 01:14:14,192 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1042 places, 2567 transitions, 44767 flow [2022-01-19 01:14:21,212 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1012 places, 2567 transitions, 43091 flow, removed 370 selfloop flow, removed 30 redundant places. [2022-01-19 01:14:21,247 INFO L242 Difference]: Finished difference. Result has 1017 places, 2374 transitions, 39144 flow [2022-01-19 01:14:21,249 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=36314, PETRI_DIFFERENCE_MINUEND_PLACES=981, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2353, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=956, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1395, PETRI_DIFFERENCE_SUBTRAHEND_STATES=32, PETRI_FLOW=39144, PETRI_PLACES=1017, PETRI_TRANSITIONS=2374} [2022-01-19 01:14:21,250 INFO L334 CegarLoopForPetriNet]: 209 programPoint places, 808 predicate places. [2022-01-19 01:14:21,250 INFO L470 AbstractCegarLoop]: Abstraction has has 1017 places, 2374 transitions, 39144 flow [2022-01-19 01:14:21,250 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 165.375) internal successors, (3969), 24 states have internal predecessors, (3969), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:14:21,250 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 01:14:21,250 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 01:14:21,250 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-01-19 01:14:21,250 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATION, thread1Err6INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 7 more)] === [2022-01-19 01:14:21,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 01:14:21,251 INFO L85 PathProgramCache]: Analyzing trace with hash -914051586, now seen corresponding path program 20 times [2022-01-19 01:14:21,251 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 01:14:21,251 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [680672863] [2022-01-19 01:14:21,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 01:14:21,251 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 01:14:21,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 01:14:21,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 01:14:21,700 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 01:14:21,700 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [680672863] [2022-01-19 01:14:21,700 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [680672863] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 01:14:21,700 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 01:14:21,700 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-01-19 01:14:21,700 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061886747] [2022-01-19 01:14:21,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 01:14:21,701 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-01-19 01:14:21,701 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 01:14:21,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-01-19 01:14:21,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=492, Unknown=0, NotChecked=0, Total=552 [2022-01-19 01:14:21,703 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 239 [2022-01-19 01:14:21,704 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1017 places, 2374 transitions, 39144 flow. Second operand has 24 states, 24 states have (on average 165.375) internal successors, (3969), 24 states have internal predecessors, (3969), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:14:21,704 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 01:14:21,704 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 239 [2022-01-19 01:14:21,704 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 01:14:39,394 INFO L129 PetriNetUnfolder]: 20495/40561 cut-off events. [2022-01-19 01:14:39,394 INFO L130 PetriNetUnfolder]: For 1003912/1003958 co-relation queries the response was YES. [2022-01-19 01:14:41,732 INFO L84 FinitePrefix]: Finished finitePrefix Result has 223961 conditions, 40561 events. 20495/40561 cut-off events. For 1003912/1003958 co-relation queries the response was YES. Maximal size of possible extension queue 1136. Compared 388103 event pairs, 4805 based on Foata normal form. 5/36468 useless extension candidates. Maximal degree in co-relation 223645. Up to 18922 conditions per place. [2022-01-19 01:14:41,959 INFO L132 encePairwiseOnDemand]: 216/239 looper letters, 1495 selfloop transitions, 987 changer transitions 22/2643 dead transitions. [2022-01-19 01:14:41,959 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1056 places, 2643 transitions, 47065 flow [2022-01-19 01:14:41,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-01-19 01:14:41,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2022-01-19 01:14:41,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 7593 transitions. [2022-01-19 01:14:41,967 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7220426017497147 [2022-01-19 01:14:41,967 INFO L72 ComplementDD]: Start complementDD. Operand 44 states and 7593 transitions. [2022-01-19 01:14:41,967 INFO L73 IsDeterministic]: Start isDeterministic. Operand 44 states and 7593 transitions. [2022-01-19 01:14:41,968 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 01:14:41,968 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 44 states and 7593 transitions. [2022-01-19 01:14:41,972 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 45 states, 44 states have (on average 172.5681818181818) internal successors, (7593), 44 states have internal predecessors, (7593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:14:41,976 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 45 states, 45 states have (on average 239.0) internal successors, (10755), 45 states have internal predecessors, (10755), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:14:41,977 INFO L81 ComplementDD]: Finished complementDD. Result has 45 states, 45 states have (on average 239.0) internal successors, (10755), 45 states have internal predecessors, (10755), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:14:41,977 INFO L186 Difference]: Start difference. First operand has 1017 places, 2374 transitions, 39144 flow. Second operand 44 states and 7593 transitions. [2022-01-19 01:14:41,977 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1056 places, 2643 transitions, 47065 flow [2022-01-19 01:14:51,851 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1042 places, 2643 transitions, 45567 flow, removed 340 selfloop flow, removed 14 redundant places. [2022-01-19 01:14:51,900 INFO L242 Difference]: Finished difference. Result has 1051 places, 2405 transitions, 40694 flow [2022-01-19 01:14:51,903 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=37662, PETRI_DIFFERENCE_MINUEND_PLACES=999, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2374, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=960, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1410, PETRI_DIFFERENCE_SUBTRAHEND_STATES=44, PETRI_FLOW=40694, PETRI_PLACES=1051, PETRI_TRANSITIONS=2405} [2022-01-19 01:14:51,903 INFO L334 CegarLoopForPetriNet]: 209 programPoint places, 842 predicate places. [2022-01-19 01:14:51,903 INFO L470 AbstractCegarLoop]: Abstraction has has 1051 places, 2405 transitions, 40694 flow [2022-01-19 01:14:51,904 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 165.375) internal successors, (3969), 24 states have internal predecessors, (3969), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:14:51,904 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 01:14:51,904 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 01:14:51,904 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-01-19 01:14:51,905 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATION, thread1Err6INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 7 more)] === [2022-01-19 01:14:51,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 01:14:51,905 INFO L85 PathProgramCache]: Analyzing trace with hash -1916973270, now seen corresponding path program 21 times [2022-01-19 01:14:51,905 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 01:14:51,905 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488686480] [2022-01-19 01:14:51,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 01:14:51,905 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 01:14:51,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 01:14:52,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 01:14:52,634 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 01:14:52,634 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1488686480] [2022-01-19 01:14:52,634 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1488686480] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 01:14:52,634 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 01:14:52,634 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-19 01:14:52,634 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737548429] [2022-01-19 01:14:52,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 01:14:52,634 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-19 01:14:52,634 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 01:14:52,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-19 01:14:52,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=627, Unknown=0, NotChecked=0, Total=702 [2022-01-19 01:14:52,637 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 159 out of 239 [2022-01-19 01:14:52,639 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1051 places, 2405 transitions, 40694 flow. Second operand has 27 states, 27 states have (on average 161.22222222222223) internal successors, (4353), 27 states have internal predecessors, (4353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:14:52,639 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 01:14:52,639 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 159 of 239 [2022-01-19 01:14:52,639 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 01:15:17,034 INFO L129 PetriNetUnfolder]: 24871/48227 cut-off events. [2022-01-19 01:15:17,034 INFO L130 PetriNetUnfolder]: For 1375985/1375989 co-relation queries the response was YES. [2022-01-19 01:15:20,603 INFO L84 FinitePrefix]: Finished finitePrefix Result has 286524 conditions, 48227 events. 24871/48227 cut-off events. For 1375985/1375989 co-relation queries the response was YES. Maximal size of possible extension queue 1312. Compared 464351 event pairs, 5923 based on Foata normal form. 1/43621 useless extension candidates. Maximal degree in co-relation 286199. Up to 19999 conditions per place. [2022-01-19 01:15:20,991 INFO L132 encePairwiseOnDemand]: 213/239 looper letters, 1953 selfloop transitions, 1398 changer transitions 22/3505 dead transitions. [2022-01-19 01:15:20,991 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1116 places, 3505 transitions, 68103 flow [2022-01-19 01:15:20,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2022-01-19 01:15:20,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2022-01-19 01:15:20,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 11775 transitions. [2022-01-19 01:15:20,998 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7038254632396892 [2022-01-19 01:15:20,998 INFO L72 ComplementDD]: Start complementDD. Operand 70 states and 11775 transitions. [2022-01-19 01:15:20,998 INFO L73 IsDeterministic]: Start isDeterministic. Operand 70 states and 11775 transitions. [2022-01-19 01:15:21,000 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 01:15:21,000 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 70 states and 11775 transitions. [2022-01-19 01:15:21,008 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 71 states, 70 states have (on average 168.21428571428572) internal successors, (11775), 70 states have internal predecessors, (11775), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:15:21,019 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 71 states, 71 states have (on average 239.0) internal successors, (16969), 71 states have internal predecessors, (16969), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:15:21,020 INFO L81 ComplementDD]: Finished complementDD. Result has 71 states, 71 states have (on average 239.0) internal successors, (16969), 71 states have internal predecessors, (16969), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:15:21,020 INFO L186 Difference]: Start difference. First operand has 1051 places, 2405 transitions, 40694 flow. Second operand 70 states and 11775 transitions. [2022-01-19 01:15:21,020 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1116 places, 3505 transitions, 68103 flow [2022-01-19 01:15:36,802 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1090 places, 3505 transitions, 65321 flow, removed 475 selfloop flow, removed 26 redundant places. [2022-01-19 01:15:36,850 INFO L242 Difference]: Finished difference. Result has 1137 places, 3104 transitions, 59311 flow [2022-01-19 01:15:36,852 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=38963, PETRI_DIFFERENCE_MINUEND_PLACES=1021, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2405, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=765, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1362, PETRI_DIFFERENCE_SUBTRAHEND_STATES=70, PETRI_FLOW=59311, PETRI_PLACES=1137, PETRI_TRANSITIONS=3104} [2022-01-19 01:15:36,853 INFO L334 CegarLoopForPetriNet]: 209 programPoint places, 928 predicate places. [2022-01-19 01:15:36,853 INFO L470 AbstractCegarLoop]: Abstraction has has 1137 places, 3104 transitions, 59311 flow [2022-01-19 01:15:36,854 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 161.22222222222223) internal successors, (4353), 27 states have internal predecessors, (4353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:15:36,854 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 01:15:36,854 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 01:15:36,854 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-01-19 01:15:36,854 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATION, thread1Err6INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 7 more)] === [2022-01-19 01:15:36,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 01:15:36,854 INFO L85 PathProgramCache]: Analyzing trace with hash -315809268, now seen corresponding path program 22 times [2022-01-19 01:15:36,854 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 01:15:36,855 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851895703] [2022-01-19 01:15:36,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 01:15:36,855 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 01:15:36,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 01:15:37,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 01:15:37,523 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 01:15:37,523 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851895703] [2022-01-19 01:15:37,523 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1851895703] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 01:15:37,523 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 01:15:37,523 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2022-01-19 01:15:37,523 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915264089] [2022-01-19 01:15:37,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 01:15:37,523 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2022-01-19 01:15:37,523 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 01:15:37,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2022-01-19 01:15:37,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=781, Unknown=0, NotChecked=0, Total=870 [2022-01-19 01:15:37,525 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 155 out of 239 [2022-01-19 01:15:37,527 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1137 places, 3104 transitions, 59311 flow. Second operand has 30 states, 30 states have (on average 157.1) internal successors, (4713), 30 states have internal predecessors, (4713), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:15:37,527 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 01:15:37,527 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 155 of 239 [2022-01-19 01:15:37,527 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 01:16:08,349 INFO L129 PetriNetUnfolder]: 27135/52401 cut-off events. [2022-01-19 01:16:08,350 INFO L130 PetriNetUnfolder]: For 1664573/1664573 co-relation queries the response was YES. [2022-01-19 01:16:12,725 INFO L84 FinitePrefix]: Finished finitePrefix Result has 336522 conditions, 52401 events. 27135/52401 cut-off events. For 1664573/1664573 co-relation queries the response was YES. Maximal size of possible extension queue 1468. Compared 506098 event pairs, 7064 based on Foata normal form. 1/47551 useless extension candidates. Maximal degree in co-relation 336051. Up to 21438 conditions per place. [2022-01-19 01:16:13,060 INFO L132 encePairwiseOnDemand]: 210/239 looper letters, 2168 selfloop transitions, 1674 changer transitions 22/3987 dead transitions. [2022-01-19 01:16:13,061 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1213 places, 3987 transitions, 86249 flow [2022-01-19 01:16:13,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2022-01-19 01:16:13,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2022-01-19 01:16:13,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 13052 transitions. [2022-01-19 01:16:13,066 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6826359832635983 [2022-01-19 01:16:13,067 INFO L72 ComplementDD]: Start complementDD. Operand 80 states and 13052 transitions. [2022-01-19 01:16:13,067 INFO L73 IsDeterministic]: Start isDeterministic. Operand 80 states and 13052 transitions. [2022-01-19 01:16:13,068 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 01:16:13,068 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 80 states and 13052 transitions. [2022-01-19 01:16:13,075 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 81 states, 80 states have (on average 163.15) internal successors, (13052), 80 states have internal predecessors, (13052), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:16:13,083 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 81 states, 81 states have (on average 239.0) internal successors, (19359), 81 states have internal predecessors, (19359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:16:13,084 INFO L81 ComplementDD]: Finished complementDD. Result has 81 states, 81 states have (on average 239.0) internal successors, (19359), 81 states have internal predecessors, (19359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:16:13,084 INFO L186 Difference]: Start difference. First operand has 1137 places, 3104 transitions, 59311 flow. Second operand 80 states and 13052 transitions. [2022-01-19 01:16:13,084 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1213 places, 3987 transitions, 86249 flow [2022-01-19 01:16:29,815 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1206 places, 3987 transitions, 84831 flow, removed 681 selfloop flow, removed 7 redundant places. [2022-01-19 01:16:29,877 INFO L242 Difference]: Finished difference. Result has 1227 places, 3642 transitions, 79200 flow [2022-01-19 01:16:29,879 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=57988, PETRI_DIFFERENCE_MINUEND_PLACES=1127, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3104, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1180, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1857, PETRI_DIFFERENCE_SUBTRAHEND_STATES=80, PETRI_FLOW=79200, PETRI_PLACES=1227, PETRI_TRANSITIONS=3642} [2022-01-19 01:16:29,880 INFO L334 CegarLoopForPetriNet]: 209 programPoint places, 1018 predicate places. [2022-01-19 01:16:29,880 INFO L470 AbstractCegarLoop]: Abstraction has has 1227 places, 3642 transitions, 79200 flow [2022-01-19 01:16:29,880 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 157.1) internal successors, (4713), 30 states have internal predecessors, (4713), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:16:29,880 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 01:16:29,880 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 01:16:29,880 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-01-19 01:16:29,881 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATION, thread1Err6INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 7 more)] === [2022-01-19 01:16:29,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 01:16:29,881 INFO L85 PathProgramCache]: Analyzing trace with hash -1212679308, now seen corresponding path program 23 times [2022-01-19 01:16:29,881 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 01:16:29,881 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [554620026] [2022-01-19 01:16:29,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 01:16:29,881 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 01:16:29,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 01:16:30,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 01:16:30,393 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 01:16:30,393 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [554620026] [2022-01-19 01:16:30,393 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [554620026] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 01:16:30,393 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 01:16:30,394 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-01-19 01:16:30,394 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171902845] [2022-01-19 01:16:30,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 01:16:30,394 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-01-19 01:16:30,394 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 01:16:30,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-01-19 01:16:30,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=495, Unknown=0, NotChecked=0, Total=552 [2022-01-19 01:16:30,396 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 239 [2022-01-19 01:16:30,397 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1227 places, 3642 transitions, 79200 flow. Second operand has 24 states, 24 states have (on average 165.375) internal successors, (3969), 24 states have internal predecessors, (3969), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:16:30,397 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 01:16:30,397 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 239 [2022-01-19 01:16:30,397 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 01:17:04,546 INFO L129 PetriNetUnfolder]: 26790/51716 cut-off events. [2022-01-19 01:17:04,546 INFO L130 PetriNetUnfolder]: For 1767012/1767068 co-relation queries the response was YES. [2022-01-19 01:17:08,781 INFO L84 FinitePrefix]: Finished finitePrefix Result has 343366 conditions, 51716 events. 26790/51716 cut-off events. For 1767012/1767068 co-relation queries the response was YES. Maximal size of possible extension queue 1433. Compared 502207 event pairs, 5627 based on Foata normal form. 13/46913 useless extension candidates. Maximal degree in co-relation 342971. Up to 22164 conditions per place. [2022-01-19 01:17:09,118 INFO L132 encePairwiseOnDemand]: 216/239 looper letters, 1833 selfloop transitions, 1968 changer transitions 22/3970 dead transitions. [2022-01-19 01:17:09,118 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1268 places, 3970 transitions, 92249 flow [2022-01-19 01:17:09,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-01-19 01:17:09,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2022-01-19 01:17:09,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 7737 transitions. [2022-01-19 01:17:09,122 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7193863319386332 [2022-01-19 01:17:09,122 INFO L72 ComplementDD]: Start complementDD. Operand 45 states and 7737 transitions. [2022-01-19 01:17:09,122 INFO L73 IsDeterministic]: Start isDeterministic. Operand 45 states and 7737 transitions. [2022-01-19 01:17:09,123 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 01:17:09,123 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 45 states and 7737 transitions. [2022-01-19 01:17:09,126 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 46 states, 45 states have (on average 171.93333333333334) internal successors, (7737), 45 states have internal predecessors, (7737), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:17:09,131 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 46 states, 46 states have (on average 239.0) internal successors, (10994), 46 states have internal predecessors, (10994), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:17:09,131 INFO L81 ComplementDD]: Finished complementDD. Result has 46 states, 46 states have (on average 239.0) internal successors, (10994), 46 states have internal predecessors, (10994), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:17:09,131 INFO L186 Difference]: Start difference. First operand has 1227 places, 3642 transitions, 79200 flow. Second operand 45 states and 7737 transitions. [2022-01-19 01:17:09,131 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1268 places, 3970 transitions, 92249 flow [2022-01-19 01:17:30,774 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1258 places, 3970 transitions, 85384 flow, removed 3346 selfloop flow, removed 10 redundant places. [2022-01-19 01:17:30,843 INFO L242 Difference]: Finished difference. Result has 1270 places, 3750 transitions, 80270 flow [2022-01-19 01:17:30,845 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=73148, PETRI_DIFFERENCE_MINUEND_PLACES=1214, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3642, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1867, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1764, PETRI_DIFFERENCE_SUBTRAHEND_STATES=45, PETRI_FLOW=80270, PETRI_PLACES=1270, PETRI_TRANSITIONS=3750} [2022-01-19 01:17:30,845 INFO L334 CegarLoopForPetriNet]: 209 programPoint places, 1061 predicate places. [2022-01-19 01:17:30,846 INFO L470 AbstractCegarLoop]: Abstraction has has 1270 places, 3750 transitions, 80270 flow [2022-01-19 01:17:30,846 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 165.375) internal successors, (3969), 24 states have internal predecessors, (3969), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:17:30,846 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 01:17:30,846 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 01:17:30,846 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-01-19 01:17:30,846 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATION, thread1Err6INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 7 more)] === [2022-01-19 01:17:30,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 01:17:30,847 INFO L85 PathProgramCache]: Analyzing trace with hash 981365740, now seen corresponding path program 24 times [2022-01-19 01:17:30,847 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 01:17:30,847 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796640821] [2022-01-19 01:17:30,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 01:17:30,847 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 01:17:30,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 01:17:31,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 01:17:31,704 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 01:17:31,704 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [796640821] [2022-01-19 01:17:31,704 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [796640821] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 01:17:31,704 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 01:17:31,704 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2022-01-19 01:17:31,704 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857275832] [2022-01-19 01:17:31,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 01:17:31,704 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-01-19 01:17:31,705 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 01:17:31,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-01-19 01:17:31,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=672, Unknown=0, NotChecked=0, Total=756 [2022-01-19 01:17:31,707 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 159 out of 239 [2022-01-19 01:17:31,708 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1270 places, 3750 transitions, 80270 flow. Second operand has 28 states, 28 states have (on average 161.14285714285714) internal successors, (4512), 28 states have internal predecessors, (4512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:17:31,708 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 01:17:31,708 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 159 of 239 [2022-01-19 01:17:31,708 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand