/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-RepeatedSemanticLbeWithDisjunctivePredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-atomic/lamport.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-0e22065b97d0a1f8b3904e080cebe0f05e88d2b7-0e22065 [2021-06-11 14:29:43,399 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-11 14:29:43,401 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-11 14:29:43,429 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-11 14:29:43,430 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-11 14:29:43,432 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-11 14:29:43,434 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-11 14:29:43,438 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-11 14:29:43,439 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-11 14:29:43,442 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-11 14:29:43,443 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-11 14:29:43,444 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-11 14:29:43,444 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-11 14:29:43,445 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-11 14:29:43,446 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-11 14:29:43,447 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-11 14:29:43,449 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-11 14:29:43,450 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-11 14:29:43,451 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-11 14:29:43,459 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-11 14:29:43,460 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-11 14:29:43,461 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-11 14:29:43,462 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-11 14:29:43,463 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-11 14:29:43,467 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-06-11 14:29:43,469 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-11 14:29:43,470 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-11 14:29:43,471 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-11 14:29:43,471 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-11 14:29:43,472 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-11 14:29:43,472 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-11 14:29:43,472 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-11 14:29:43,472 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-11 14:29:43,472 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-11 14:29:43,473 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-11 14:29:43,473 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-11 14:29:43,476 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-RepeatedSemanticLbeWithDisjunctivePredicates.epf [2021-06-11 14:29:43,502 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-11 14:29:43,503 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-11 14:29:43,505 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-11 14:29:43,505 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-11 14:29:43,505 INFO L138 SettingsManager]: * Use SBE=true [2021-06-11 14:29:43,505 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-11 14:29:43,505 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-11 14:29:43,505 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-11 14:29:43,505 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-11 14:29:43,505 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-11 14:29:43,506 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-11 14:29:43,506 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-11 14:29:43,506 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-11 14:29:43,506 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-11 14:29:43,506 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-11 14:29:43,506 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-11 14:29:43,506 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-11 14:29:43,507 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-11 14:29:43,507 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-11 14:29:43,507 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-11 14:29:43,507 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-11 14:29:43,507 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-11 14:29:43,507 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-11 14:29:43,507 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-11 14:29:43,507 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-11 14:29:43,507 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-11 14:29:43,507 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-11 14:29:43,508 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES_DISJUNCTIVE [2021-06-11 14:29:43,508 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-06-11 14:29:43,508 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-11 14:29:43,508 INFO L138 SettingsManager]: * Apply repeated Lipton Reduction=true 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-11 14:29:43,745 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-11 14:29:43,757 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-11 14:29:43,759 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-11 14:29:43,760 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-11 14:29:43,760 INFO L275 PluginConnector]: CDTParser initialized [2021-06-11 14:29:43,761 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/lamport.i [2021-06-11 14:29:43,805 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/45a83642a/fb98c3c5b0ab4fedafe4826379abcce0/FLAG7859dccb4 [2021-06-11 14:29:44,212 INFO L306 CDTParser]: Found 1 translation units. [2021-06-11 14:29:44,212 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/lamport.i [2021-06-11 14:29:44,221 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/45a83642a/fb98c3c5b0ab4fedafe4826379abcce0/FLAG7859dccb4 [2021-06-11 14:29:44,239 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/45a83642a/fb98c3c5b0ab4fedafe4826379abcce0 [2021-06-11 14:29:44,241 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-11 14:29:44,242 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-11 14:29:44,245 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-11 14:29:44,245 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-11 14:29:44,247 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-11 14:29:44,248 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.06 02:29:44" (1/1) ... [2021-06-11 14:29:44,248 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@500d663a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 02:29:44, skipping insertion in model container [2021-06-11 14:29:44,249 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.06 02:29:44" (1/1) ... [2021-06-11 14:29:44,253 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-11 14:29:44,300 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-11 14:29:44,394 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-06-11 14:29:44,490 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/lamport.i[32156,32169] [2021-06-11 14:29:44,495 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/lamport.i[34083,34096] [2021-06-11 14:29:44,498 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-11 14:29:44,502 INFO L203 MainTranslator]: Completed pre-run [2021-06-11 14:29:44,510 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-06-11 14:29:44,523 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/lamport.i[32156,32169] [2021-06-11 14:29:44,525 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/lamport.i[34083,34096] [2021-06-11 14:29:44,528 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-11 14:29:44,566 INFO L208 MainTranslator]: Completed translation [2021-06-11 14:29:44,566 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 02:29:44 WrapperNode [2021-06-11 14:29:44,566 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-11 14:29:44,567 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-11 14:29:44,567 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-11 14:29:44,567 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-11 14:29:44,571 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 02:29:44" (1/1) ... [2021-06-11 14:29:44,580 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 02:29:44" (1/1) ... [2021-06-11 14:29:44,590 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-11 14:29:44,591 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-11 14:29:44,591 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-11 14:29:44,591 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-11 14:29:44,595 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 02:29:44" (1/1) ... [2021-06-11 14:29:44,596 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 02:29:44" (1/1) ... [2021-06-11 14:29:44,598 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 02:29:44" (1/1) ... [2021-06-11 14:29:44,598 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 02:29:44" (1/1) ... [2021-06-11 14:29:44,601 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 02:29:44" (1/1) ... [2021-06-11 14:29:44,604 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 02:29:44" (1/1) ... [2021-06-11 14:29:44,606 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 02:29:44" (1/1) ... [2021-06-11 14:29:44,607 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-11 14:29:44,608 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-11 14:29:44,608 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-11 14:29:44,608 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-11 14:29:44,608 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 02:29:44" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-11 14:29:44,660 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-06-11 14:29:44,661 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2021-06-11 14:29:44,662 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2021-06-11 14:29:44,662 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2021-06-11 14:29:44,662 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2021-06-11 14:29:44,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-11 14:29:44,663 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-11 14:29:44,663 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-11 14:29:44,663 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-11 14:29:44,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-11 14:29:44,663 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-11 14:29:44,663 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-11 14:29:44,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-11 14:29:44,664 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-11 14:29:45,032 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-11 14:29:45,033 INFO L299 CfgBuilder]: Removed 12 assume(true) statements. [2021-06-11 14:29:45,034 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.06 02:29:45 BoogieIcfgContainer [2021-06-11 14:29:45,034 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-11 14:29:45,035 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-11 14:29:45,036 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-11 14:29:45,037 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-11 14:29:45,038 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.06 02:29:44" (1/3) ... [2021-06-11 14:29:45,038 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b5cde81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.06 02:29:45, skipping insertion in model container [2021-06-11 14:29:45,038 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 02:29:44" (2/3) ... [2021-06-11 14:29:45,038 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b5cde81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.06 02:29:45, skipping insertion in model container [2021-06-11 14:29:45,039 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.06 02:29:45" (3/3) ... [2021-06-11 14:29:45,039 INFO L111 eAbstractionObserver]: Analyzing ICFG lamport.i [2021-06-11 14:29:45,043 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-11 14:29:45,046 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-06-11 14:29:45,047 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-11 14:29:45,075 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:29:45,075 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:29:45,075 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:29:45,076 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:29:45,076 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:29:45,076 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:29:45,076 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:29:45,076 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:29:45,077 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:29:45,077 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:29:45,081 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:29:45,081 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:29:45,081 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:29:45,081 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:29:45,081 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:29:45,081 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:29:45,082 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:29:45,082 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:29:45,082 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:29:45,082 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:29:45,082 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~x2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:29:45,082 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~x2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:29:45,083 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:29:45,083 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:29:45,083 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:29:45,083 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:29:45,083 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~x2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:29:45,083 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~x2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:29:45,083 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~x2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:29:45,083 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~x2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:29:45,085 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:29:45,085 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:29:45,085 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~b12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:29:45,086 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~b12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:29:45,086 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~b12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:29:45,086 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~b12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:29:45,086 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~b12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:29:45,086 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~b12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:29:45,087 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:29:45,087 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:29:45,087 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~b12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:29:45,087 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~b12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:29:45,087 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:29:45,087 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:29:45,087 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:29:45,087 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:29:45,087 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:29:45,088 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:29:45,088 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:29:45,088 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:29:45,088 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:29:45,088 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:29:45,088 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:29:45,088 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:29:45,090 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:29:45,090 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:29:45,090 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:29:45,090 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:29:45,090 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:29:45,090 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:29:45,090 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:29:45,091 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:29:45,091 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:29:45,091 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:29:45,091 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:29:45,091 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:29:45,092 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:29:45,092 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:29:45,092 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:29:45,092 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:29:45,092 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:29:45,092 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:29:45,092 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:29:45,092 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:29:45,093 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~x1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:29:45,093 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~x1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:29:45,094 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:29:45,094 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:29:45,094 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:29:45,095 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:29:45,095 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~x1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:29:45,095 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~x1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:29:45,095 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~x1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:29:45,095 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~x1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:29:45,095 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:29:45,095 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:29:45,096 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~b21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:29:45,096 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~b21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:29:45,096 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~b21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:29:45,096 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~b21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:29:45,096 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~b21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:29:45,096 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~b21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:29:45,096 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:29:45,097 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:29:45,099 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~b21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:29:45,099 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~b21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:29:45,101 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:29:45,101 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:29:45,102 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:29:45,102 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:29:45,105 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:29:45,105 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:29:45,105 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:29:45,105 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:29:45,105 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:29:45,105 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:29:45,106 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:29:45,106 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:29:45,107 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:29:45,108 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:29:45,108 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:29:45,108 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~b21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:29:45,108 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:29:45,108 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~x1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:29:45,108 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:29:45,111 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:29:45,111 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:29:45,112 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~b12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:29:45,112 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~x2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:29:45,112 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:29:45,112 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:29:45,112 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 14:29:45,116 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-06-11 14:29:45,128 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-06-11 14:29:45,150 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-06-11 14:29:45,150 INFO L377 AbstractCegarLoop]: Hoare is false [2021-06-11 14:29:45,150 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-11 14:29:45,150 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-11 14:29:45,151 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-11 14:29:45,151 INFO L381 AbstractCegarLoop]: Difference is false [2021-06-11 14:29:45,151 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-11 14:29:45,151 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-06-11 14:29:45,158 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 106 places, 125 transitions, 272 flow [2021-06-11 14:29:45,195 INFO L129 PetriNetUnfolder]: 25/125 cut-off events. [2021-06-11 14:29:45,196 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-06-11 14:29:45,202 INFO L84 FinitePrefix]: Finished finitePrefix Result has 136 conditions, 125 events. 25/125 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 280 event pairs, 0 based on Foata normal form. 0/99 useless extension candidates. Maximal degree in co-relation 97. Up to 5 conditions per place. [2021-06-11 14:29:45,202 INFO L82 GeneralOperation]: Start removeDead. Operand has 106 places, 125 transitions, 272 flow [2021-06-11 14:29:45,205 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 95 places, 113 transitions, 238 flow [2021-06-11 14:29:45,207 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 14:29:45,217 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 95 places, 113 transitions, 238 flow [2021-06-11 14:29:45,223 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 95 places, 113 transitions, 238 flow [2021-06-11 14:29:45,224 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 95 places, 113 transitions, 238 flow [2021-06-11 14:29:45,249 INFO L129 PetriNetUnfolder]: 24/115 cut-off events. [2021-06-11 14:29:45,249 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-06-11 14:29:45,250 INFO L84 FinitePrefix]: Finished finitePrefix Result has 124 conditions, 115 events. 24/115 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 276 event pairs, 0 based on Foata normal form. 0/89 useless extension candidates. Maximal degree in co-relation 97. Up to 5 conditions per place. [2021-06-11 14:29:45,254 INFO L151 LiptonReduction]: Number of co-enabled transitions 4816 [2021-06-11 14:29:45,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:29:45,336 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 14:29:45,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:29:45,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 14:29:45,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 14:29:45,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:29:45,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 14:29:45,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:29:45,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 14:29:45,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:29:45,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 14:29:45,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:29:45,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 14:29:45,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:29:45,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 14:29:45,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:29:45,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 14:29:45,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:29:45,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 14:29:45,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:29:45,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 14:29:45,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:29:45,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 14:29:45,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:29:45,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 14:29:45,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:29:45,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 14:29:45,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:29:45,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 14:29:45,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:29:45,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 14:29:45,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:29:45,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 14:29:45,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:29:45,878 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 14:29:45,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:29:45,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 14:29:45,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 14:29:45,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:29:45,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 14:29:45,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:29:45,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 14:29:45,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:29:45,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 14:29:45,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:29:45,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 14:29:46,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:29:46,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 14:29:46,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:29:46,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 14:29:46,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:29:46,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 14:29:46,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:29:46,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 14:29:46,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:29:46,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 14:29:46,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:29:46,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 14:29:46,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:29:46,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 14:29:46,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:29:46,193 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 14:29:46,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:29:46,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 14:29:46,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 14:29:46,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:29:46,258 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 14:29:46,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:29:46,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 14:29:46,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 14:29:46,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:29:46,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 14:29:46,383 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-06-11 14:29:46,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 14:29:46,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:29:46,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 14:29:46,475 INFO L142 QuantifierPusher]: treesize reduction 8, result has 33.3 percent of original size [2021-06-11 14:29:46,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 14:29:46,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:29:46,618 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 14:29:46,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:29:46,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 14:29:46,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 14:29:46,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:29:46,843 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 14:29:46,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:29:46,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 14:29:46,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 14:29:46,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:29:46,981 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 14:29:46,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:29:46,983 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 14:29:46,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:29:46,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 14:29:46,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 14:29:46,985 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 14:29:46,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:29:46,986 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 14:29:46,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:29:46,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 14:29:46,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 14:29:46,989 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 14:29:46,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:29:46,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 14:29:46,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 14:29:47,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:29:47,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 14:29:47,311 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2021-06-11 14:29:47,512 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2021-06-11 14:29:47,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:29:47,589 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 14:29:47,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:29:47,591 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 14:29:47,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:29:47,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 14:29:47,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 14:29:47,592 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 14:29:47,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:29:47,593 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 14:29:47,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:29:47,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 14:29:47,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 14:29:47,595 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 14:29:47,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:29:47,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 14:29:47,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 14:29:47,617 INFO L163 LiptonReduction]: Checked pairs total: 12324 [2021-06-11 14:29:47,617 INFO L165 LiptonReduction]: Total number of compositions: 70 [2021-06-11 14:29:47,619 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2413 [2021-06-11 14:29:47,626 INFO L129 PetriNetUnfolder]: 3/18 cut-off events. [2021-06-11 14:29:47,626 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-06-11 14:29:47,626 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 14:29:47,626 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2021-06-11 14:29:47,627 INFO L428 AbstractCegarLoop]: === Iteration 1 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 14:29:47,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 14:29:47,630 INFO L82 PathProgramCache]: Analyzing trace with hash 510148901, now seen corresponding path program 1 times [2021-06-11 14:29:47,635 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 14:29:47,635 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449808418] [2021-06-11 14:29:47,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 14:29:47,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 14:29:47,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:29:47,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 14:29:47,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:29:47,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 14:29:47,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 14:29:47,717 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449808418] [2021-06-11 14:29:47,717 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 14:29:47,717 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-11 14:29:47,717 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386700161] [2021-06-11 14:29:47,722 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-06-11 14:29:47,723 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 14:29:47,730 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-06-11 14:29:47,731 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-06-11 14:29:47,732 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 173 out of 195 [2021-06-11 14:29:47,734 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 62 transitions, 136 flow. Second operand has 2 states, 2 states have (on average 173.5) internal successors, (347), 2 states have internal predecessors, (347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 14:29:47,734 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 14:29:47,734 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 173 of 195 [2021-06-11 14:29:47,735 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 14:29:47,743 INFO L129 PetriNetUnfolder]: 12/58 cut-off events. [2021-06-11 14:29:47,743 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-06-11 14:29:47,743 INFO L84 FinitePrefix]: Finished finitePrefix Result has 68 conditions, 58 events. 12/58 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 130 event pairs, 0 based on Foata normal form. 5/49 useless extension candidates. Maximal degree in co-relation 64. Up to 3 conditions per place. [2021-06-11 14:29:47,744 INFO L132 encePairwiseOnDemand]: 190/195 looper letters, 0 selfloop transitions, 0 changer transitions 0/57 dead transitions. [2021-06-11 14:29:47,744 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 57 transitions, 126 flow [2021-06-11 14:29:47,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-11 14:29:47,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2021-06-11 14:29:47,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 351 transitions. [2021-06-11 14:29:47,752 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9 [2021-06-11 14:29:47,753 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 351 transitions. [2021-06-11 14:29:47,753 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 351 transitions. [2021-06-11 14:29:47,754 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 14:29:47,755 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 351 transitions. [2021-06-11 14:29:47,758 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 175.5) internal successors, (351), 2 states have internal predecessors, (351), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 14:29:47,761 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 195.0) internal successors, (585), 3 states have internal predecessors, (585), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 14:29:47,761 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 195.0) internal successors, (585), 3 states have internal predecessors, (585), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 14:29:47,763 INFO L185 Difference]: Start difference. First operand has 51 places, 62 transitions, 136 flow. Second operand 2 states and 351 transitions. [2021-06-11 14:29:47,763 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 57 transitions, 126 flow [2021-06-11 14:29:47,765 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 57 transitions, 118 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-06-11 14:29:47,766 INFO L241 Difference]: Finished difference. Result has 48 places, 57 transitions, 118 flow [2021-06-11 14:29:47,767 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=195, PETRI_DIFFERENCE_MINUEND_FLOW=118, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=57, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=57, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=118, PETRI_PLACES=48, PETRI_TRANSITIONS=57} [2021-06-11 14:29:47,767 INFO L343 CegarLoopForPetriNet]: 51 programPoint places, -3 predicate places. [2021-06-11 14:29:47,768 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 14:29:47,768 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 48 places, 57 transitions, 118 flow [2021-06-11 14:29:47,768 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 48 places, 57 transitions, 118 flow [2021-06-11 14:29:47,768 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 47 places, 57 transitions, 118 flow [2021-06-11 14:29:47,772 INFO L129 PetriNetUnfolder]: 12/58 cut-off events. [2021-06-11 14:29:47,772 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 14:29:47,773 INFO L84 FinitePrefix]: Finished finitePrefix Result has 61 conditions, 58 events. 12/58 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 130 event pairs, 0 based on Foata normal form. 0/44 useless extension candidates. Maximal degree in co-relation 49. Up to 3 conditions per place. [2021-06-11 14:29:47,773 INFO L151 LiptonReduction]: Number of co-enabled transitions 1590 [2021-06-11 14:29:47,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:29:47,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 14:29:47,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:29:47,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 14:29:47,911 INFO L163 LiptonReduction]: Checked pairs total: 3355 [2021-06-11 14:29:47,911 INFO L165 LiptonReduction]: Total number of compositions: 6 [2021-06-11 14:29:47,911 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 143 [2021-06-11 14:29:47,912 INFO L480 AbstractCegarLoop]: Abstraction has has 45 places, 55 transitions, 114 flow [2021-06-11 14:29:47,912 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 173.5) internal successors, (347), 2 states have internal predecessors, (347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 14:29:47,912 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 14:29:47,913 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 14:29:47,913 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-11 14:29:47,913 INFO L428 AbstractCegarLoop]: === Iteration 2 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 14:29:47,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 14:29:47,913 INFO L82 PathProgramCache]: Analyzing trace with hash 79339570, now seen corresponding path program 1 times [2021-06-11 14:29:47,913 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 14:29:47,914 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633598833] [2021-06-11 14:29:47,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 14:29:47,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 14:29:47,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:29:47,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 14:29:47,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:29:47,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 14:29:47,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 14:29:47,957 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [633598833] [2021-06-11 14:29:47,957 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 14:29:47,957 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-11 14:29:47,957 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228957173] [2021-06-11 14:29:47,958 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-11 14:29:47,958 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 14:29:47,958 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-11 14:29:47,958 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-11 14:29:47,959 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 162 out of 201 [2021-06-11 14:29:47,960 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 55 transitions, 114 flow. Second operand has 3 states, 3 states have (on average 163.0) internal successors, (489), 3 states have internal predecessors, (489), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 14:29:47,960 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 14:29:47,960 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 162 of 201 [2021-06-11 14:29:47,960 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 14:29:47,978 INFO L129 PetriNetUnfolder]: 18/96 cut-off events. [2021-06-11 14:29:47,979 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 14:29:47,979 INFO L84 FinitePrefix]: Finished finitePrefix Result has 128 conditions, 96 events. 18/96 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 345 event pairs, 2 based on Foata normal form. 4/77 useless extension candidates. Maximal degree in co-relation 104. Up to 18 conditions per place. [2021-06-11 14:29:47,979 INFO L132 encePairwiseOnDemand]: 194/201 looper letters, 6 selfloop transitions, 5 changer transitions 0/58 dead transitions. [2021-06-11 14:29:47,979 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 58 transitions, 142 flow [2021-06-11 14:29:47,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-11 14:29:47,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-06-11 14:29:47,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 499 transitions. [2021-06-11 14:29:47,982 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8275290215588723 [2021-06-11 14:29:47,982 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 499 transitions. [2021-06-11 14:29:47,982 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 499 transitions. [2021-06-11 14:29:47,982 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 14:29:47,982 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 499 transitions. [2021-06-11 14:29:47,983 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 166.33333333333334) internal successors, (499), 3 states have internal predecessors, (499), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 14:29:47,985 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 201.0) internal successors, (804), 4 states have internal predecessors, (804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 14:29:47,985 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 201.0) internal successors, (804), 4 states have internal predecessors, (804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 14:29:47,985 INFO L185 Difference]: Start difference. First operand has 45 places, 55 transitions, 114 flow. Second operand 3 states and 499 transitions. [2021-06-11 14:29:47,985 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 58 transitions, 142 flow [2021-06-11 14:29:47,986 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 58 transitions, 142 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-06-11 14:29:47,987 INFO L241 Difference]: Finished difference. Result has 49 places, 57 transitions, 146 flow [2021-06-11 14:29:47,987 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=201, PETRI_DIFFERENCE_MINUEND_FLOW=114, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=55, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=146, PETRI_PLACES=49, PETRI_TRANSITIONS=57} [2021-06-11 14:29:47,987 INFO L343 CegarLoopForPetriNet]: 51 programPoint places, -2 predicate places. [2021-06-11 14:29:47,988 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 14:29:47,988 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 49 places, 57 transitions, 146 flow [2021-06-11 14:29:47,988 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 49 places, 57 transitions, 146 flow [2021-06-11 14:29:47,988 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 49 places, 57 transitions, 146 flow [2021-06-11 14:29:47,993 INFO L129 PetriNetUnfolder]: 15/90 cut-off events. [2021-06-11 14:29:47,993 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2021-06-11 14:29:47,994 INFO L84 FinitePrefix]: Finished finitePrefix Result has 125 conditions, 90 events. 15/90 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 303 event pairs, 1 based on Foata normal form. 0/72 useless extension candidates. Maximal degree in co-relation 99. Up to 13 conditions per place. [2021-06-11 14:29:47,994 INFO L151 LiptonReduction]: Number of co-enabled transitions 1424 [2021-06-11 14:29:48,000 INFO L163 LiptonReduction]: Checked pairs total: 1456 [2021-06-11 14:29:48,000 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 14:29:48,000 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 13 [2021-06-11 14:29:48,001 INFO L480 AbstractCegarLoop]: Abstraction has has 49 places, 57 transitions, 146 flow [2021-06-11 14:29:48,001 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 163.0) internal successors, (489), 3 states have internal predecessors, (489), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 14:29:48,001 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 14:29:48,001 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 14:29:48,001 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-11 14:29:48,001 INFO L428 AbstractCegarLoop]: === Iteration 3 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 14:29:48,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 14:29:48,002 INFO L82 PathProgramCache]: Analyzing trace with hash -1808108912, now seen corresponding path program 1 times [2021-06-11 14:29:48,002 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 14:29:48,002 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [836435020] [2021-06-11 14:29:48,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 14:29:48,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 14:29:48,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:29:48,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 14:29:48,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:29:48,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 14:29:48,036 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 14:29:48,036 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [836435020] [2021-06-11 14:29:48,036 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 14:29:48,036 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-11 14:29:48,036 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [487327303] [2021-06-11 14:29:48,037 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-11 14:29:48,037 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 14:29:48,038 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-11 14:29:48,038 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-11 14:29:48,039 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 162 out of 201 [2021-06-11 14:29:48,040 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 57 transitions, 146 flow. Second operand has 3 states, 3 states have (on average 163.0) internal successors, (489), 3 states have internal predecessors, (489), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 14:29:48,040 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 14:29:48,040 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 162 of 201 [2021-06-11 14:29:48,040 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 14:29:48,061 INFO L129 PetriNetUnfolder]: 15/85 cut-off events. [2021-06-11 14:29:48,061 INFO L130 PetriNetUnfolder]: For 20/32 co-relation queries the response was YES. [2021-06-11 14:29:48,062 INFO L84 FinitePrefix]: Finished finitePrefix Result has 142 conditions, 85 events. 15/85 cut-off events. For 20/32 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 276 event pairs, 1 based on Foata normal form. 4/71 useless extension candidates. Maximal degree in co-relation 116. Up to 13 conditions per place. [2021-06-11 14:29:48,063 INFO L132 encePairwiseOnDemand]: 196/201 looper letters, 6 selfloop transitions, 4 changer transitions 0/57 dead transitions. [2021-06-11 14:29:48,063 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 57 transitions, 166 flow [2021-06-11 14:29:48,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-11 14:29:48,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-06-11 14:29:48,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 497 transitions. [2021-06-11 14:29:48,065 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.824212271973466 [2021-06-11 14:29:48,065 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 497 transitions. [2021-06-11 14:29:48,065 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 497 transitions. [2021-06-11 14:29:48,065 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 14:29:48,065 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 497 transitions. [2021-06-11 14:29:48,066 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 165.66666666666666) internal successors, (497), 3 states have internal predecessors, (497), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 14:29:48,068 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 201.0) internal successors, (804), 4 states have internal predecessors, (804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 14:29:48,069 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 201.0) internal successors, (804), 4 states have internal predecessors, (804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 14:29:48,069 INFO L185 Difference]: Start difference. First operand has 49 places, 57 transitions, 146 flow. Second operand 3 states and 497 transitions. [2021-06-11 14:29:48,069 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 57 transitions, 166 flow [2021-06-11 14:29:48,070 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 57 transitions, 156 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-06-11 14:29:48,071 INFO L241 Difference]: Finished difference. Result has 50 places, 57 transitions, 150 flow [2021-06-11 14:29:48,071 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=201, PETRI_DIFFERENCE_MINUEND_FLOW=136, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=57, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=53, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=150, PETRI_PLACES=50, PETRI_TRANSITIONS=57} [2021-06-11 14:29:48,071 INFO L343 CegarLoopForPetriNet]: 51 programPoint places, -1 predicate places. [2021-06-11 14:29:48,071 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 14:29:48,072 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 50 places, 57 transitions, 150 flow [2021-06-11 14:29:48,073 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 50 places, 57 transitions, 150 flow [2021-06-11 14:29:48,074 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 50 places, 57 transitions, 150 flow [2021-06-11 14:29:48,083 INFO L129 PetriNetUnfolder]: 15/89 cut-off events. [2021-06-11 14:29:48,083 INFO L130 PetriNetUnfolder]: For 15/15 co-relation queries the response was YES. [2021-06-11 14:29:48,084 INFO L84 FinitePrefix]: Finished finitePrefix Result has 130 conditions, 89 events. 15/89 cut-off events. For 15/15 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 290 event pairs, 1 based on Foata normal form. 0/71 useless extension candidates. Maximal degree in co-relation 104. Up to 13 conditions per place. [2021-06-11 14:29:48,085 INFO L151 LiptonReduction]: Number of co-enabled transitions 1382 [2021-06-11 14:29:48,093 INFO L163 LiptonReduction]: Checked pairs total: 1432 [2021-06-11 14:29:48,093 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 14:29:48,093 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 22 [2021-06-11 14:29:48,099 INFO L480 AbstractCegarLoop]: Abstraction has has 50 places, 57 transitions, 150 flow [2021-06-11 14:29:48,099 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 163.0) internal successors, (489), 3 states have internal predecessors, (489), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 14:29:48,099 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 14:29:48,099 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 14:29:48,099 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-11 14:29:48,099 INFO L428 AbstractCegarLoop]: === Iteration 4 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 14:29:48,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 14:29:48,100 INFO L82 PathProgramCache]: Analyzing trace with hash 2122117918, now seen corresponding path program 1 times [2021-06-11 14:29:48,100 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 14:29:48,101 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417220827] [2021-06-11 14:29:48,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 14:29:48,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 14:29:48,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:29:48,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 14:29:48,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:29:48,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 14:29:48,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:29:48,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 14:29:48,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:29:48,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 14:29:48,141 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 14:29:48,141 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417220827] [2021-06-11 14:29:48,141 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 14:29:48,141 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-11 14:29:48,142 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742169246] [2021-06-11 14:29:48,142 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-11 14:29:48,142 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 14:29:48,142 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-11 14:29:48,142 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-11 14:29:48,143 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 131 out of 201 [2021-06-11 14:29:48,143 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 57 transitions, 150 flow. Second operand has 4 states, 4 states have (on average 132.5) internal successors, (530), 4 states have internal predecessors, (530), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 14:29:48,143 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 14:29:48,143 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 131 of 201 [2021-06-11 14:29:48,143 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 14:29:48,246 INFO L129 PetriNetUnfolder]: 227/571 cut-off events. [2021-06-11 14:29:48,246 INFO L130 PetriNetUnfolder]: For 94/94 co-relation queries the response was YES. [2021-06-11 14:29:48,247 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1027 conditions, 571 events. 227/571 cut-off events. For 94/94 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 3322 event pairs, 49 based on Foata normal form. 0/470 useless extension candidates. Maximal degree in co-relation 962. Up to 255 conditions per place. [2021-06-11 14:29:48,249 INFO L132 encePairwiseOnDemand]: 186/201 looper letters, 35 selfloop transitions, 16 changer transitions 0/83 dead transitions. [2021-06-11 14:29:48,249 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 83 transitions, 304 flow [2021-06-11 14:29:48,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-11 14:29:48,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-06-11 14:29:48,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 717 transitions. [2021-06-11 14:29:48,251 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7134328358208956 [2021-06-11 14:29:48,251 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 717 transitions. [2021-06-11 14:29:48,251 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 717 transitions. [2021-06-11 14:29:48,252 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 14:29:48,252 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 717 transitions. [2021-06-11 14:29:48,253 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 143.4) internal successors, (717), 5 states have internal predecessors, (717), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 14:29:48,255 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 201.0) internal successors, (1206), 6 states have internal predecessors, (1206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 14:29:48,255 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 201.0) internal successors, (1206), 6 states have internal predecessors, (1206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 14:29:48,255 INFO L185 Difference]: Start difference. First operand has 50 places, 57 transitions, 150 flow. Second operand 5 states and 717 transitions. [2021-06-11 14:29:48,255 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 83 transitions, 304 flow [2021-06-11 14:29:48,258 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 83 transitions, 300 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-06-11 14:29:48,259 INFO L241 Difference]: Finished difference. Result has 56 places, 72 transitions, 281 flow [2021-06-11 14:29:48,259 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=201, PETRI_DIFFERENCE_MINUEND_FLOW=146, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=57, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=46, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=281, PETRI_PLACES=56, PETRI_TRANSITIONS=72} [2021-06-11 14:29:48,259 INFO L343 CegarLoopForPetriNet]: 51 programPoint places, 5 predicate places. [2021-06-11 14:29:48,260 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 14:29:48,260 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 56 places, 72 transitions, 281 flow [2021-06-11 14:29:48,260 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 56 places, 72 transitions, 281 flow [2021-06-11 14:29:48,261 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 56 places, 72 transitions, 281 flow [2021-06-11 14:29:48,275 INFO L129 PetriNetUnfolder]: 111/369 cut-off events. [2021-06-11 14:29:48,275 INFO L130 PetriNetUnfolder]: For 77/79 co-relation queries the response was YES. [2021-06-11 14:29:48,276 INFO L84 FinitePrefix]: Finished finitePrefix Result has 673 conditions, 369 events. 111/369 cut-off events. For 77/79 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 1908 event pairs, 11 based on Foata normal form. 1/310 useless extension candidates. Maximal degree in co-relation 628. Up to 79 conditions per place. [2021-06-11 14:29:48,278 INFO L151 LiptonReduction]: Number of co-enabled transitions 1560 [2021-06-11 14:29:48,301 INFO L163 LiptonReduction]: Checked pairs total: 847 [2021-06-11 14:29:48,301 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 14:29:48,301 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 41 [2021-06-11 14:29:48,302 INFO L480 AbstractCegarLoop]: Abstraction has has 56 places, 72 transitions, 281 flow [2021-06-11 14:29:48,302 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 132.5) internal successors, (530), 4 states have internal predecessors, (530), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 14:29:48,303 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 14:29:48,303 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 14:29:48,303 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-11 14:29:48,303 INFO L428 AbstractCegarLoop]: === Iteration 5 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 14:29:48,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 14:29:48,303 INFO L82 PathProgramCache]: Analyzing trace with hash -672703804, now seen corresponding path program 2 times [2021-06-11 14:29:48,304 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 14:29:48,304 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988486547] [2021-06-11 14:29:48,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 14:29:48,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 14:29:48,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:29:48,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 14:29:48,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:29:48,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 14:29:48,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:29:48,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 14:29:48,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:29:48,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 14:29:48,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 14:29:48,349 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [988486547] [2021-06-11 14:29:48,349 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 14:29:48,350 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-11 14:29:48,350 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [972991803] [2021-06-11 14:29:48,350 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-11 14:29:48,350 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 14:29:48,350 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-11 14:29:48,350 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-11 14:29:48,351 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 161 out of 201 [2021-06-11 14:29:48,352 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 72 transitions, 281 flow. Second operand has 4 states, 4 states have (on average 162.75) internal successors, (651), 4 states have internal predecessors, (651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 14:29:48,352 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 14:29:48,352 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 161 of 201 [2021-06-11 14:29:48,352 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 14:29:48,435 INFO L129 PetriNetUnfolder]: 265/899 cut-off events. [2021-06-11 14:29:48,435 INFO L130 PetriNetUnfolder]: For 296/333 co-relation queries the response was YES. [2021-06-11 14:29:48,438 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1864 conditions, 899 events. 265/899 cut-off events. For 296/333 co-relation queries the response was YES. Maximal size of possible extension queue 73. Compared 6232 event pairs, 34 based on Foata normal form. 35/829 useless extension candidates. Maximal degree in co-relation 1724. Up to 227 conditions per place. [2021-06-11 14:29:48,441 INFO L132 encePairwiseOnDemand]: 195/201 looper letters, 20 selfloop transitions, 10 changer transitions 5/92 dead transitions. [2021-06-11 14:29:48,442 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 92 transitions, 413 flow [2021-06-11 14:29:48,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-11 14:29:48,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-06-11 14:29:48,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 834 transitions. [2021-06-11 14:29:48,443 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8298507462686567 [2021-06-11 14:29:48,443 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 834 transitions. [2021-06-11 14:29:48,443 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 834 transitions. [2021-06-11 14:29:48,444 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 14:29:48,444 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 834 transitions. [2021-06-11 14:29:48,445 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 166.8) internal successors, (834), 5 states have internal predecessors, (834), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 14:29:48,447 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 201.0) internal successors, (1206), 6 states have internal predecessors, (1206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 14:29:48,447 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 201.0) internal successors, (1206), 6 states have internal predecessors, (1206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 14:29:48,447 INFO L185 Difference]: Start difference. First operand has 56 places, 72 transitions, 281 flow. Second operand 5 states and 834 transitions. [2021-06-11 14:29:48,448 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 92 transitions, 413 flow [2021-06-11 14:29:48,451 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 92 transitions, 413 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-06-11 14:29:48,454 INFO L241 Difference]: Finished difference. Result has 64 places, 77 transitions, 357 flow [2021-06-11 14:29:48,454 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=201, PETRI_DIFFERENCE_MINUEND_FLOW=281, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=72, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=67, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=357, PETRI_PLACES=64, PETRI_TRANSITIONS=77} [2021-06-11 14:29:48,455 INFO L343 CegarLoopForPetriNet]: 51 programPoint places, 13 predicate places. [2021-06-11 14:29:48,455 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 14:29:48,455 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 64 places, 77 transitions, 357 flow [2021-06-11 14:29:48,455 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 64 places, 77 transitions, 357 flow [2021-06-11 14:29:48,455 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 64 places, 77 transitions, 357 flow [2021-06-11 14:29:48,492 INFO L129 PetriNetUnfolder]: 225/803 cut-off events. [2021-06-11 14:29:48,492 INFO L130 PetriNetUnfolder]: For 370/395 co-relation queries the response was YES. [2021-06-11 14:29:48,494 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1726 conditions, 803 events. 225/803 cut-off events. For 370/395 co-relation queries the response was YES. Maximal size of possible extension queue 70. Compared 5521 event pairs, 31 based on Foata normal form. 5/701 useless extension candidates. Maximal degree in co-relation 1629. Up to 188 conditions per place. [2021-06-11 14:29:48,500 INFO L151 LiptonReduction]: Number of co-enabled transitions 1684 [2021-06-11 14:29:48,571 INFO L163 LiptonReduction]: Checked pairs total: 400 [2021-06-11 14:29:48,571 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 14:29:48,571 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 116 [2021-06-11 14:29:48,573 INFO L480 AbstractCegarLoop]: Abstraction has has 64 places, 77 transitions, 357 flow [2021-06-11 14:29:48,573 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 162.75) internal successors, (651), 4 states have internal predecessors, (651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 14:29:48,574 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 14:29:48,574 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 14:29:48,574 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-11 14:29:48,574 INFO L428 AbstractCegarLoop]: === Iteration 6 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 14:29:48,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 14:29:48,574 INFO L82 PathProgramCache]: Analyzing trace with hash -513586844, now seen corresponding path program 3 times [2021-06-11 14:29:48,574 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 14:29:48,574 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351394374] [2021-06-11 14:29:48,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 14:29:48,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 14:29:48,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:29:48,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 14:29:48,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:29:48,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 14:29:48,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:29:48,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 14:29:48,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 14:29:48,614 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [351394374] [2021-06-11 14:29:48,614 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 14:29:48,614 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-11 14:29:48,614 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87032464] [2021-06-11 14:29:48,615 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-11 14:29:48,615 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 14:29:48,615 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-11 14:29:48,615 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-11 14:29:48,615 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 145 out of 201 [2021-06-11 14:29:48,616 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 77 transitions, 357 flow. Second operand has 3 states, 3 states have (on average 146.66666666666666) internal successors, (440), 3 states have internal predecessors, (440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 14:29:48,616 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 14:29:48,616 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 145 of 201 [2021-06-11 14:29:48,616 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 14:29:48,701 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([357] L780-->L783: Formula: (= v_thr2Thread1of1ForFork1_~y2~0_1 v_~y~0_2) InVars {~y~0=v_~y~0_2} OutVars{~y~0=v_~y~0_2, thr2Thread1of1ForFork1_~y2~0=v_thr2Thread1of1ForFork1_~y2~0_1} AuxVars[] AssignedVars[thr2Thread1of1ForFork1_~y2~0][24], [Black: 129#(and (= 2 ~y~0) (= 2 thr1Thread1of1ForFork0_~y1~0)), 35#L846-2true, Black: 126#(= 2 ~y~0), Black: 127#(= 2 thr1Thread1of1ForFork0_~y1~0), 134#true, Black: 136#(= ~x~0 1), Black: 137#(= thr2Thread1of1ForFork1_~x2~0 1), 48#L783true, Black: 139#(and (= ~x~0 1) (= thr2Thread1of1ForFork1_~x2~0 1)), 147#(= ~y~0 1), Black: 113#true, 85#L730true, Black: 121#(= ~X~0 1), 124#true]) [2021-06-11 14:29:48,701 INFO L384 tUnfolder$Statistics]: this new event has 29 ancestors and is cut-off event [2021-06-11 14:29:48,701 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-11 14:29:48,702 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-06-11 14:29:48,702 INFO L387 tUnfolder$Statistics]: existing Event has 20 ancestors and is cut-off event [2021-06-11 14:29:48,702 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([455] L730-->L735: Formula: (and (not (= v_thr1Thread1of1ForFork0_~x1~0_11 1)) (= v_thr1Thread1of1ForFork0_~x1~0_11 v_~x~0_11)) InVars {~x~0=v_~x~0_11} OutVars{~x~0=v_~x~0_11, thr1Thread1of1ForFork0_~x1~0=v_thr1Thread1of1ForFork0_~x1~0_11} AuxVars[] AssignedVars[thr1Thread1of1ForFork0_~x1~0][25], [Black: 129#(and (= 2 ~y~0) (= 2 thr1Thread1of1ForFork0_~y1~0)), 35#L846-2true, Black: 126#(= 2 ~y~0), Black: 127#(= 2 thr1Thread1of1ForFork0_~y1~0), 134#true, Black: 136#(= ~x~0 1), Black: 137#(= thr2Thread1of1ForFork1_~x2~0 1), Black: 139#(and (= ~x~0 1) (= thr2Thread1of1ForFork1_~x2~0 1)), 51#L780true, 147#(= ~y~0 1), Black: 113#true, 59#L735true, Black: 121#(= ~X~0 1), 124#true]) [2021-06-11 14:29:48,702 INFO L384 tUnfolder$Statistics]: this new event has 29 ancestors and is cut-off event [2021-06-11 14:29:48,702 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-06-11 14:29:48,702 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-06-11 14:29:48,702 INFO L387 tUnfolder$Statistics]: existing Event has 20 ancestors and is cut-off event [2021-06-11 14:29:48,709 INFO L129 PetriNetUnfolder]: 433/1204 cut-off events. [2021-06-11 14:29:48,709 INFO L130 PetriNetUnfolder]: For 954/1054 co-relation queries the response was YES. [2021-06-11 14:29:48,712 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3147 conditions, 1204 events. 433/1204 cut-off events. For 954/1054 co-relation queries the response was YES. Maximal size of possible extension queue 95. Compared 8533 event pairs, 79 based on Foata normal form. 18/1128 useless extension candidates. Maximal degree in co-relation 3024. Up to 342 conditions per place. [2021-06-11 14:29:48,715 INFO L132 encePairwiseOnDemand]: 194/201 looper letters, 34 selfloop transitions, 9 changer transitions 14/96 dead transitions. [2021-06-11 14:29:48,715 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 96 transitions, 555 flow [2021-06-11 14:29:48,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-11 14:29:48,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-06-11 14:29:48,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 476 transitions. [2021-06-11 14:29:48,716 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7893864013266998 [2021-06-11 14:29:48,716 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 476 transitions. [2021-06-11 14:29:48,716 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 476 transitions. [2021-06-11 14:29:48,717 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 14:29:48,717 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 476 transitions. [2021-06-11 14:29:48,718 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 158.66666666666666) internal successors, (476), 3 states have internal predecessors, (476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 14:29:48,719 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 201.0) internal successors, (804), 4 states have internal predecessors, (804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 14:29:48,719 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 201.0) internal successors, (804), 4 states have internal predecessors, (804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 14:29:48,720 INFO L185 Difference]: Start difference. First operand has 64 places, 77 transitions, 357 flow. Second operand 3 states and 476 transitions. [2021-06-11 14:29:48,720 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 96 transitions, 555 flow [2021-06-11 14:29:48,724 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 96 transitions, 545 flow, removed 5 selfloop flow, removed 0 redundant places. [2021-06-11 14:29:48,725 INFO L241 Difference]: Finished difference. Result has 68 places, 75 transitions, 383 flow [2021-06-11 14:29:48,725 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=201, PETRI_DIFFERENCE_MINUEND_FLOW=342, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=76, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=67, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=383, PETRI_PLACES=68, PETRI_TRANSITIONS=75} [2021-06-11 14:29:48,726 INFO L343 CegarLoopForPetriNet]: 51 programPoint places, 17 predicate places. [2021-06-11 14:29:48,726 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 14:29:48,726 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 68 places, 75 transitions, 383 flow [2021-06-11 14:29:48,726 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 68 places, 75 transitions, 383 flow [2021-06-11 14:29:48,726 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 67 places, 75 transitions, 383 flow [2021-06-11 14:29:48,777 INFO L129 PetriNetUnfolder]: 178/733 cut-off events. [2021-06-11 14:29:48,777 INFO L130 PetriNetUnfolder]: For 676/714 co-relation queries the response was YES. [2021-06-11 14:29:48,779 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1718 conditions, 733 events. 178/733 cut-off events. For 676/714 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 5560 event pairs, 26 based on Foata normal form. 6/661 useless extension candidates. Maximal degree in co-relation 1607. Up to 176 conditions per place. [2021-06-11 14:29:48,783 INFO L151 LiptonReduction]: Number of co-enabled transitions 1578 [2021-06-11 14:29:48,795 INFO L163 LiptonReduction]: Checked pairs total: 364 [2021-06-11 14:29:48,796 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 14:29:48,796 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 70 [2021-06-11 14:29:48,798 INFO L480 AbstractCegarLoop]: Abstraction has has 67 places, 75 transitions, 383 flow [2021-06-11 14:29:48,798 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 146.66666666666666) internal successors, (440), 3 states have internal predecessors, (440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 14:29:48,798 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 14:29:48,798 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 14:29:48,798 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-06-11 14:29:48,798 INFO L428 AbstractCegarLoop]: === Iteration 7 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 14:29:48,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 14:29:48,799 INFO L82 PathProgramCache]: Analyzing trace with hash -1011947590, now seen corresponding path program 4 times [2021-06-11 14:29:48,799 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 14:29:48,799 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99674350] [2021-06-11 14:29:48,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 14:29:48,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 14:29:48,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:29:48,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 14:29:48,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:29:48,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 14:29:48,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:29:48,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 14:29:48,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 14:29:48,830 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [99674350] [2021-06-11 14:29:48,830 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 14:29:48,831 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-11 14:29:48,831 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196234117] [2021-06-11 14:29:48,831 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-11 14:29:48,831 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 14:29:48,831 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-11 14:29:48,831 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-11 14:29:48,832 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 166 out of 201 [2021-06-11 14:29:48,832 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 75 transitions, 383 flow. Second operand has 3 states, 3 states have (on average 167.66666666666666) internal successors, (503), 3 states have internal predecessors, (503), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 14:29:48,832 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 14:29:48,832 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 166 of 201 [2021-06-11 14:29:48,832 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 14:29:48,878 INFO L129 PetriNetUnfolder]: 180/734 cut-off events. [2021-06-11 14:29:48,879 INFO L130 PetriNetUnfolder]: For 930/988 co-relation queries the response was YES. [2021-06-11 14:29:48,881 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1786 conditions, 734 events. 180/734 cut-off events. For 930/988 co-relation queries the response was YES. Maximal size of possible extension queue 73. Compared 5380 event pairs, 30 based on Foata normal form. 18/673 useless extension candidates. Maximal degree in co-relation 1677. Up to 173 conditions per place. [2021-06-11 14:29:48,882 INFO L132 encePairwiseOnDemand]: 198/201 looper letters, 10 selfloop transitions, 3 changer transitions 0/75 dead transitions. [2021-06-11 14:29:48,882 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 75 transitions, 392 flow [2021-06-11 14:29:48,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-11 14:29:48,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-06-11 14:29:48,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 508 transitions. [2021-06-11 14:29:48,884 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8424543946932007 [2021-06-11 14:29:48,884 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 508 transitions. [2021-06-11 14:29:48,884 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 508 transitions. [2021-06-11 14:29:48,884 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 14:29:48,884 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 508 transitions. [2021-06-11 14:29:48,885 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 169.33333333333334) internal successors, (508), 3 states have internal predecessors, (508), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 14:29:48,886 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 201.0) internal successors, (804), 4 states have internal predecessors, (804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 14:29:48,886 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 201.0) internal successors, (804), 4 states have internal predecessors, (804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 14:29:48,886 INFO L185 Difference]: Start difference. First operand has 67 places, 75 transitions, 383 flow. Second operand 3 states and 508 transitions. [2021-06-11 14:29:48,886 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 75 transitions, 392 flow [2021-06-11 14:29:48,889 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 75 transitions, 360 flow, removed 5 selfloop flow, removed 3 redundant places. [2021-06-11 14:29:48,891 INFO L241 Difference]: Finished difference. Result has 68 places, 75 transitions, 350 flow [2021-06-11 14:29:48,892 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=201, PETRI_DIFFERENCE_MINUEND_FLOW=322, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=73, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=70, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=350, PETRI_PLACES=68, PETRI_TRANSITIONS=75} [2021-06-11 14:29:48,892 INFO L343 CegarLoopForPetriNet]: 51 programPoint places, 17 predicate places. [2021-06-11 14:29:48,892 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 14:29:48,892 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 68 places, 75 transitions, 350 flow [2021-06-11 14:29:48,892 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 68 places, 75 transitions, 350 flow [2021-06-11 14:29:48,892 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 68 places, 75 transitions, 350 flow [2021-06-11 14:29:48,929 INFO L129 PetriNetUnfolder]: 175/726 cut-off events. [2021-06-11 14:29:48,929 INFO L130 PetriNetUnfolder]: For 450/471 co-relation queries the response was YES. [2021-06-11 14:29:48,931 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1599 conditions, 726 events. 175/726 cut-off events. For 450/471 co-relation queries the response was YES. Maximal size of possible extension queue 70. Compared 5325 event pairs, 29 based on Foata normal form. 6/657 useless extension candidates. Maximal degree in co-relation 1490. Up to 172 conditions per place. [2021-06-11 14:29:48,935 INFO L151 LiptonReduction]: Number of co-enabled transitions 1550 [2021-06-11 14:29:48,952 INFO L163 LiptonReduction]: Checked pairs total: 357 [2021-06-11 14:29:48,952 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 14:29:48,952 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 60 [2021-06-11 14:29:48,952 INFO L480 AbstractCegarLoop]: Abstraction has has 68 places, 75 transitions, 350 flow [2021-06-11 14:29:48,952 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 167.66666666666666) internal successors, (503), 3 states have internal predecessors, (503), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 14:29:48,953 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 14:29:48,953 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 14:29:48,953 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-06-11 14:29:48,953 INFO L428 AbstractCegarLoop]: === Iteration 8 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 14:29:48,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 14:29:48,953 INFO L82 PathProgramCache]: Analyzing trace with hash 2004431027, now seen corresponding path program 1 times [2021-06-11 14:29:48,953 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 14:29:48,953 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1956132413] [2021-06-11 14:29:48,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 14:29:48,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 14:29:48,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:29:48,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 14:29:48,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:29:48,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 14:29:48,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:29:48,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 14:29:48,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:29:48,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 14:29:48,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 14:29:48,989 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1956132413] [2021-06-11 14:29:48,989 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 14:29:48,989 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-11 14:29:48,989 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535710379] [2021-06-11 14:29:48,990 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-11 14:29:48,990 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 14:29:48,990 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-11 14:29:48,990 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-11 14:29:48,991 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 155 out of 201 [2021-06-11 14:29:48,991 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 75 transitions, 350 flow. Second operand has 4 states, 4 states have (on average 156.25) internal successors, (625), 4 states have internal predecessors, (625), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 14:29:48,991 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 14:29:48,991 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 155 of 201 [2021-06-11 14:29:48,992 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 14:29:49,066 INFO L129 PetriNetUnfolder]: 269/967 cut-off events. [2021-06-11 14:29:49,066 INFO L130 PetriNetUnfolder]: For 668/700 co-relation queries the response was YES. [2021-06-11 14:29:49,069 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2307 conditions, 967 events. 269/967 cut-off events. For 668/700 co-relation queries the response was YES. Maximal size of possible extension queue 70. Compared 6861 event pairs, 33 based on Foata normal form. 40/913 useless extension candidates. Maximal degree in co-relation 2119. Up to 216 conditions per place. [2021-06-11 14:29:49,071 INFO L132 encePairwiseOnDemand]: 191/201 looper letters, 12 selfloop transitions, 14 changer transitions 5/89 dead transitions. [2021-06-11 14:29:49,071 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 89 transitions, 441 flow [2021-06-11 14:29:49,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-11 14:29:49,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-06-11 14:29:49,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 805 transitions. [2021-06-11 14:29:49,072 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8009950248756219 [2021-06-11 14:29:49,073 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 805 transitions. [2021-06-11 14:29:49,073 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 805 transitions. [2021-06-11 14:29:49,073 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 14:29:49,073 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 805 transitions. [2021-06-11 14:29:49,074 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 161.0) internal successors, (805), 5 states have internal predecessors, (805), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 14:29:49,075 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 201.0) internal successors, (1206), 6 states have internal predecessors, (1206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 14:29:49,076 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 201.0) internal successors, (1206), 6 states have internal predecessors, (1206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 14:29:49,076 INFO L185 Difference]: Start difference. First operand has 68 places, 75 transitions, 350 flow. Second operand 5 states and 805 transitions. [2021-06-11 14:29:49,076 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 89 transitions, 441 flow [2021-06-11 14:29:49,078 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 89 transitions, 433 flow, removed 1 selfloop flow, removed 3 redundant places. [2021-06-11 14:29:49,079 INFO L241 Difference]: Finished difference. Result has 72 places, 79 transitions, 405 flow [2021-06-11 14:29:49,079 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=201, PETRI_DIFFERENCE_MINUEND_FLOW=342, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=75, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=67, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=405, PETRI_PLACES=72, PETRI_TRANSITIONS=79} [2021-06-11 14:29:49,080 INFO L343 CegarLoopForPetriNet]: 51 programPoint places, 21 predicate places. [2021-06-11 14:29:49,080 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 14:29:49,080 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 72 places, 79 transitions, 405 flow [2021-06-11 14:29:49,080 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 72 places, 79 transitions, 405 flow [2021-06-11 14:29:49,080 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 71 places, 79 transitions, 405 flow [2021-06-11 14:29:49,122 INFO L129 PetriNetUnfolder]: 242/887 cut-off events. [2021-06-11 14:29:49,122 INFO L130 PetriNetUnfolder]: For 721/768 co-relation queries the response was YES. [2021-06-11 14:29:49,124 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2270 conditions, 887 events. 242/887 cut-off events. For 721/768 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 6142 event pairs, 40 based on Foata normal form. 4/825 useless extension candidates. Maximal degree in co-relation 2155. Up to 201 conditions per place. [2021-06-11 14:29:49,130 INFO L151 LiptonReduction]: Number of co-enabled transitions 1556 [2021-06-11 14:29:49,138 INFO L163 LiptonReduction]: Checked pairs total: 178 [2021-06-11 14:29:49,138 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 14:29:49,138 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 58 [2021-06-11 14:29:49,139 INFO L480 AbstractCegarLoop]: Abstraction has has 71 places, 79 transitions, 405 flow [2021-06-11 14:29:49,140 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 156.25) internal successors, (625), 4 states have internal predecessors, (625), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 14:29:49,140 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 14:29:49,140 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 14:29:49,140 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-06-11 14:29:49,140 INFO L428 AbstractCegarLoop]: === Iteration 9 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 14:29:49,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 14:29:49,140 INFO L82 PathProgramCache]: Analyzing trace with hash -443160922, now seen corresponding path program 1 times [2021-06-11 14:29:49,140 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 14:29:49,140 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981515488] [2021-06-11 14:29:49,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 14:29:49,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 14:29:49,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:29:49,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 14:29:49,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:29:49,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 14:29:49,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:29:49,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 14:29:49,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:29:49,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 14:29:49,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 14:29:49,172 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [981515488] [2021-06-11 14:29:49,172 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 14:29:49,172 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-11 14:29:49,172 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643180789] [2021-06-11 14:29:49,172 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-11 14:29:49,172 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 14:29:49,173 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-11 14:29:49,173 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-11 14:29:49,173 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 153 out of 201 [2021-06-11 14:29:49,174 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 79 transitions, 405 flow. Second operand has 4 states, 4 states have (on average 154.25) internal successors, (617), 4 states have internal predecessors, (617), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 14:29:49,174 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 14:29:49,174 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 153 of 201 [2021-06-11 14:29:49,174 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 14:29:49,235 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([353] L777-->L780: Formula: (= v_~x~0_1 2) InVars {} OutVars{~x~0=v_~x~0_1} AuxVars[] AssignedVars[~x~0][13], [35#L846-2true, Black: 129#(and (= 2 ~y~0) (= 2 thr1Thread1of1ForFork0_~y1~0)), Black: 126#(= 2 ~y~0), Black: 160#(= thr2Thread1of1ForFork1_~b12~0 1), Black: 127#(= 2 thr1Thread1of1ForFork0_~y1~0), Black: 162#(and (= thr2Thread1of1ForFork1_~b12~0 1) (= ~b1~0 1)), 134#true, 169#(= ~b2~0 1), Black: 136#(= ~x~0 1), Black: 139#(and (= ~x~0 1) (= thr2Thread1of1ForFork1_~x2~0 1)), 51#L780true, 84#L704-2true, Black: 145#true, Black: 113#true, Black: 151#true, Black: 121#(= ~X~0 1), 159#(= ~b1~0 1)]) [2021-06-11 14:29:49,235 INFO L384 tUnfolder$Statistics]: this new event has 28 ancestors and is cut-off event [2021-06-11 14:29:49,235 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-06-11 14:29:49,235 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-11 14:29:49,235 INFO L387 tUnfolder$Statistics]: existing Event has 24 ancestors and is cut-off event [2021-06-11 14:29:49,238 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([396] L707-->L710: Formula: (= v_~x~0_3 1) InVars {} OutVars{~x~0=v_~x~0_3} AuxVars[] AssignedVars[~x~0][19], [65#L710true, Black: 129#(and (= 2 ~y~0) (= 2 thr1Thread1of1ForFork0_~y1~0)), 35#L846-2true, Black: 160#(= thr2Thread1of1ForFork1_~b12~0 1), Black: 126#(= 2 ~y~0), Black: 127#(= 2 thr1Thread1of1ForFork0_~y1~0), Black: 162#(and (= thr2Thread1of1ForFork1_~b12~0 1) (= ~b1~0 1)), 136#(= ~x~0 1), 169#(= ~b2~0 1), Black: 134#true, Black: 139#(and (= ~x~0 1) (= thr2Thread1of1ForFork1_~x2~0 1)), 51#L780true, Black: 113#true, Black: 145#true, Black: 121#(= ~X~0 1), Black: 153#(= 2 ~x~0), 159#(= ~b1~0 1)]) [2021-06-11 14:29:49,239 INFO L384 tUnfolder$Statistics]: this new event has 31 ancestors and is cut-off event [2021-06-11 14:29:49,239 INFO L387 tUnfolder$Statistics]: existing Event has 27 ancestors and is cut-off event [2021-06-11 14:29:49,239 INFO L387 tUnfolder$Statistics]: existing Event has 22 ancestors and is cut-off event [2021-06-11 14:29:49,239 INFO L387 tUnfolder$Statistics]: existing Event has 26 ancestors and is cut-off event [2021-06-11 14:29:49,243 INFO L129 PetriNetUnfolder]: 224/850 cut-off events. [2021-06-11 14:29:49,243 INFO L130 PetriNetUnfolder]: For 652/705 co-relation queries the response was YES. [2021-06-11 14:29:49,245 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2181 conditions, 850 events. 224/850 cut-off events. For 652/705 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 5974 event pairs, 29 based on Foata normal form. 32/845 useless extension candidates. Maximal degree in co-relation 2071. Up to 181 conditions per place. [2021-06-11 14:29:49,247 INFO L132 encePairwiseOnDemand]: 191/201 looper letters, 10 selfloop transitions, 12 changer transitions 6/92 dead transitions. [2021-06-11 14:29:49,247 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 92 transitions, 487 flow [2021-06-11 14:29:49,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-11 14:29:49,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-06-11 14:29:49,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 794 transitions. [2021-06-11 14:29:49,249 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7900497512437811 [2021-06-11 14:29:49,249 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 794 transitions. [2021-06-11 14:29:49,249 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 794 transitions. [2021-06-11 14:29:49,250 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 14:29:49,250 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 794 transitions. [2021-06-11 14:29:49,251 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 158.8) internal successors, (794), 5 states have internal predecessors, (794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 14:29:49,252 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 201.0) internal successors, (1206), 6 states have internal predecessors, (1206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 14:29:49,252 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 201.0) internal successors, (1206), 6 states have internal predecessors, (1206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 14:29:49,252 INFO L185 Difference]: Start difference. First operand has 71 places, 79 transitions, 405 flow. Second operand 5 states and 794 transitions. [2021-06-11 14:29:49,253 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 92 transitions, 487 flow [2021-06-11 14:29:49,256 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 74 places, 92 transitions, 469 flow, removed 9 selfloop flow, removed 1 redundant places. [2021-06-11 14:29:49,257 INFO L241 Difference]: Finished difference. Result has 77 places, 83 transitions, 447 flow [2021-06-11 14:29:49,258 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=201, PETRI_DIFFERENCE_MINUEND_FLOW=387, PETRI_DIFFERENCE_MINUEND_PLACES=70, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=79, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=72, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=447, PETRI_PLACES=77, PETRI_TRANSITIONS=83} [2021-06-11 14:29:49,258 INFO L343 CegarLoopForPetriNet]: 51 programPoint places, 26 predicate places. [2021-06-11 14:29:49,258 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 14:29:49,258 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 77 places, 83 transitions, 447 flow [2021-06-11 14:29:49,258 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 77 places, 83 transitions, 447 flow [2021-06-11 14:29:49,258 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 77 places, 83 transitions, 447 flow [2021-06-11 14:29:49,280 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([353] L777-->L780: Formula: (= v_~x~0_1 2) InVars {} OutVars{~x~0=v_~x~0_1} AuxVars[] AssignedVars[~x~0][7], [Black: 129#(and (= 2 ~y~0) (= 2 thr1Thread1of1ForFork0_~y1~0)), 35#L846-2true, Black: 160#(= thr2Thread1of1ForFork1_~b12~0 1), Black: 126#(= 2 ~y~0), Black: 162#(and (= thr2Thread1of1ForFork1_~b12~0 1) (= ~b1~0 1)), 134#true, 169#(= ~b2~0 1), Black: 136#(= ~x~0 1), Black: 170#(= thr1Thread1of1ForFork0_~b21~0 1), Black: 139#(and (= ~x~0 1) (= thr2Thread1of1ForFork1_~x2~0 1)), Black: 172#(and (= ~b2~0 1) (= thr1Thread1of1ForFork0_~b21~0 1)), 51#L780true, 84#L704-2true, Black: 113#true, Black: 145#true, Black: 121#(= ~X~0 1), Black: 151#true, 159#(= ~b1~0 1)]) [2021-06-11 14:29:49,280 INFO L384 tUnfolder$Statistics]: this new event has 28 ancestors and is cut-off event [2021-06-11 14:29:49,280 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-06-11 14:29:49,280 INFO L387 tUnfolder$Statistics]: existing Event has 24 ancestors and is cut-off event [2021-06-11 14:29:49,280 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-06-11 14:29:49,284 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([396] L707-->L710: Formula: (= v_~x~0_3 1) InVars {} OutVars{~x~0=v_~x~0_3} AuxVars[] AssignedVars[~x~0][1], [65#L710true, Black: 129#(and (= 2 ~y~0) (= 2 thr1Thread1of1ForFork0_~y1~0)), 35#L846-2true, Black: 160#(= thr2Thread1of1ForFork1_~b12~0 1), Black: 126#(= 2 ~y~0), Black: 162#(and (= thr2Thread1of1ForFork1_~b12~0 1) (= ~b1~0 1)), 136#(= ~x~0 1), 169#(= ~b2~0 1), Black: 134#true, Black: 170#(= thr1Thread1of1ForFork0_~b21~0 1), Black: 139#(and (= ~x~0 1) (= thr2Thread1of1ForFork1_~x2~0 1)), Black: 172#(and (= ~b2~0 1) (= thr1Thread1of1ForFork0_~b21~0 1)), 51#L780true, Black: 145#true, Black: 113#true, Black: 121#(= ~X~0 1), Black: 153#(= 2 ~x~0), 159#(= ~b1~0 1)]) [2021-06-11 14:29:49,284 INFO L384 tUnfolder$Statistics]: this new event has 31 ancestors and is cut-off event [2021-06-11 14:29:49,284 INFO L387 tUnfolder$Statistics]: existing Event has 26 ancestors and is cut-off event [2021-06-11 14:29:49,284 INFO L387 tUnfolder$Statistics]: existing Event has 27 ancestors and is cut-off event [2021-06-11 14:29:49,284 INFO L387 tUnfolder$Statistics]: existing Event has 22 ancestors and is cut-off event [2021-06-11 14:29:49,288 INFO L129 PetriNetUnfolder]: 158/631 cut-off events. [2021-06-11 14:29:49,288 INFO L130 PetriNetUnfolder]: For 501/542 co-relation queries the response was YES. [2021-06-11 14:29:49,290 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1663 conditions, 631 events. 158/631 cut-off events. For 501/542 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 4025 event pairs, 27 based on Foata normal form. 4/600 useless extension candidates. Maximal degree in co-relation 1581. Up to 123 conditions per place. [2021-06-11 14:29:49,294 INFO L151 LiptonReduction]: Number of co-enabled transitions 1388 [2021-06-11 14:29:49,304 INFO L163 LiptonReduction]: Checked pairs total: 60 [2021-06-11 14:29:49,304 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 14:29:49,304 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 46 [2021-06-11 14:29:49,305 INFO L480 AbstractCegarLoop]: Abstraction has has 77 places, 83 transitions, 447 flow [2021-06-11 14:29:49,305 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 154.25) internal successors, (617), 4 states have internal predecessors, (617), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 14:29:49,305 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 14:29:49,305 INFO L263 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] [2021-06-11 14:29:49,305 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-06-11 14:29:49,305 INFO L428 AbstractCegarLoop]: === Iteration 10 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 14:29:49,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 14:29:49,306 INFO L82 PathProgramCache]: Analyzing trace with hash -688139513, now seen corresponding path program 1 times [2021-06-11 14:29:49,306 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 14:29:49,306 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [488341399] [2021-06-11 14:29:49,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 14:29:49,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 14:29:49,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:29:49,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 14:29:49,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:29:49,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 14:29:49,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:29:49,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 14:29:49,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 14:29:49,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 14:29:49,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 14:29:49,325 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [488341399] [2021-06-11 14:29:49,325 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 14:29:49,325 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-11 14:29:49,325 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102396633] [2021-06-11 14:29:49,326 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-11 14:29:49,326 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 14:29:49,326 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-11 14:29:49,326 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-11 14:29:49,326 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 161 out of 201 [2021-06-11 14:29:49,327 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 83 transitions, 447 flow. Second operand has 4 states, 4 states have (on average 162.75) internal successors, (651), 4 states have internal predecessors, (651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 14:29:49,327 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 14:29:49,327 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 161 of 201 [2021-06-11 14:29:49,327 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 14:29:49,355 INFO L129 PetriNetUnfolder]: 67/265 cut-off events. [2021-06-11 14:29:49,355 INFO L130 PetriNetUnfolder]: For 341/391 co-relation queries the response was YES. [2021-06-11 14:29:49,356 INFO L84 FinitePrefix]: Finished finitePrefix Result has 791 conditions, 265 events. 67/265 cut-off events. For 341/391 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 1322 event pairs, 3 based on Foata normal form. 30/282 useless extension candidates. Maximal degree in co-relation 695. Up to 53 conditions per place. [2021-06-11 14:29:49,356 INFO L132 encePairwiseOnDemand]: 197/201 looper letters, 0 selfloop transitions, 0 changer transitions 71/71 dead transitions. [2021-06-11 14:29:49,357 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 71 transitions, 423 flow [2021-06-11 14:29:49,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-11 14:29:49,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-06-11 14:29:49,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 822 transitions. [2021-06-11 14:29:49,358 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.817910447761194 [2021-06-11 14:29:49,358 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 822 transitions. [2021-06-11 14:29:49,358 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 822 transitions. [2021-06-11 14:29:49,359 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 14:29:49,359 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 822 transitions. [2021-06-11 14:29:49,361 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 164.4) internal successors, (822), 5 states have internal predecessors, (822), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 14:29:49,362 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 201.0) internal successors, (1206), 6 states have internal predecessors, (1206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 14:29:49,363 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 201.0) internal successors, (1206), 6 states have internal predecessors, (1206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 14:29:49,363 INFO L185 Difference]: Start difference. First operand has 77 places, 83 transitions, 447 flow. Second operand 5 states and 822 transitions. [2021-06-11 14:29:49,363 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 71 transitions, 423 flow [2021-06-11 14:29:49,365 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 73 places, 71 transitions, 392 flow, removed 10 selfloop flow, removed 3 redundant places. [2021-06-11 14:29:49,365 INFO L241 Difference]: Finished difference. Result has 73 places, 0 transitions, 0 flow [2021-06-11 14:29:49,366 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=201, PETRI_DIFFERENCE_MINUEND_FLOW=337, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=68, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=68, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=73, PETRI_TRANSITIONS=0} [2021-06-11 14:29:49,366 INFO L343 CegarLoopForPetriNet]: 51 programPoint places, 22 predicate places. [2021-06-11 14:29:49,366 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 14:29:49,366 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 73 places, 0 transitions, 0 flow [2021-06-11 14:29:49,366 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 73 places, 0 transitions, 0 flow [2021-06-11 14:29:49,366 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 0 places, 0 transitions, 0 flow [2021-06-11 14:29:49,366 INFO L129 PetriNetUnfolder]: 0/0 cut-off events. [2021-06-11 14:29:49,367 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 14:29:49,367 INFO L84 FinitePrefix]: Finished finitePrefix Result has 0 conditions, 0 events. 0/0 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 0. Compared 0 event pairs, 0 based on Foata normal form. 0/0 useless extension candidates. Maximal degree in co-relation 0. Up to 0 conditions per place. [2021-06-11 14:29:49,367 INFO L151 LiptonReduction]: Number of co-enabled transitions 0 [2021-06-11 14:29:49,367 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 14:29:49,367 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 14:29:49,367 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1 [2021-06-11 14:29:49,367 INFO L480 AbstractCegarLoop]: Abstraction has has 0 places, 0 transitions, 0 flow [2021-06-11 14:29:49,368 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 162.75) internal successors, (651), 4 states have internal predecessors, (651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 14:29:49,368 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-06-11 14:29:49,370 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.06 02:29:49 BasicIcfg [2021-06-11 14:29:49,370 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-11 14:29:49,371 INFO L168 Benchmark]: Toolchain (without parser) took 5128.83 ms. Allocated memory was 400.6 MB in the beginning and 484.4 MB in the end (delta: 83.9 MB). Free memory was 362.7 MB in the beginning and 200.2 MB in the end (delta: 162.5 MB). Peak memory consumption was 248.0 MB. Max. memory is 16.0 GB. [2021-06-11 14:29:49,372 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 400.6 MB. Free memory was 380.7 MB in the beginning and 380.7 MB in the end (delta: 65.6 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-11 14:29:49,372 INFO L168 Benchmark]: CACSL2BoogieTranslator took 321.36 ms. Allocated memory is still 400.6 MB. Free memory was 362.5 MB in the beginning and 363.4 MB in the end (delta: -934.6 kB). Peak memory consumption was 7.1 MB. Max. memory is 16.0 GB. [2021-06-11 14:29:49,372 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.51 ms. Allocated memory is still 400.6 MB. Free memory was 363.4 MB in the beginning and 361.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-11 14:29:49,373 INFO L168 Benchmark]: Boogie Preprocessor took 16.19 ms. Allocated memory is still 400.6 MB. Free memory was 361.4 MB in the beginning and 360.3 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-11 14:29:49,373 INFO L168 Benchmark]: RCFGBuilder took 426.57 ms. Allocated memory is still 400.6 MB. Free memory was 360.3 MB in the beginning and 333.0 MB in the end (delta: 27.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.0 GB. [2021-06-11 14:29:49,373 INFO L168 Benchmark]: TraceAbstraction took 4334.90 ms. Allocated memory was 400.6 MB in the beginning and 484.4 MB in the end (delta: 83.9 MB). Free memory was 332.0 MB in the beginning and 200.2 MB in the end (delta: 131.8 MB). Peak memory consumption was 215.7 MB. Max. memory is 16.0 GB. [2021-06-11 14:29:49,379 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 400.6 MB. Free memory was 380.7 MB in the beginning and 380.7 MB in the end (delta: 65.6 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 321.36 ms. Allocated memory is still 400.6 MB. Free memory was 362.5 MB in the beginning and 363.4 MB in the end (delta: -934.6 kB). Peak memory consumption was 7.1 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 23.51 ms. Allocated memory is still 400.6 MB. Free memory was 363.4 MB in the beginning and 361.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 16.19 ms. Allocated memory is still 400.6 MB. Free memory was 361.4 MB in the beginning and 360.3 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 426.57 ms. Allocated memory is still 400.6 MB. Free memory was 360.3 MB in the beginning and 333.0 MB in the end (delta: 27.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.0 GB. * TraceAbstraction took 4334.90 ms. Allocated memory was 400.6 MB in the beginning and 484.4 MB in the end (delta: 83.9 MB). Free memory was 332.0 MB in the beginning and 200.2 MB in the end (delta: 131.8 MB). Peak memory consumption was 215.7 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2394.7ms, 95 PlacesBefore, 51 PlacesAfterwards, 113 TransitionsBefore, 62 TransitionsAfterwards, 4816 CoEnabledTransitionPairs, 6 FixpointIterations, 16 TrivialSequentialCompositions, 40 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 7 ConcurrentYvCompositions, 7 ChoiceCompositions, 70 TotalNumberOfCompositions, 12324 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5148, positive: 4846, positive conditional: 4846, positive unconditional: 0, negative: 302, negative conditional: 302, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 5148, positive: 4846, positive conditional: 0, positive unconditional: 4846, negative: 302, negative conditional: 0, negative unconditional: 302, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5148, positive: 4846, positive conditional: 0, positive unconditional: 4846, negative: 302, negative conditional: 0, negative unconditional: 302, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2733, positive: 2664, positive conditional: 0, positive unconditional: 2664, negative: 69, negative conditional: 0, negative unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2733, positive: 2611, positive conditional: 0, positive unconditional: 2611, negative: 122, negative conditional: 0, negative unconditional: 122, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 122, positive: 53, positive conditional: 0, positive unconditional: 53, negative: 69, negative conditional: 0, negative unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 189, positive: 51, positive conditional: 0, positive unconditional: 51, negative: 138, negative conditional: 0, negative unconditional: 138, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5148, positive: 2182, positive conditional: 0, positive unconditional: 2182, negative: 233, negative conditional: 0, negative unconditional: 233, unknown: 2733, unknown conditional: 0, unknown unconditional: 2733] , Statistics on independence cache: Total cache size (in pairs): 2733, Positive cache size: 2664, Positive conditional cache size: 0, Positive unconditional cache size: 2664, Negative cache size: 69, Negative conditional cache size: 0, Negative unconditional cache size: 69, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 143.1ms, 48 PlacesBefore, 45 PlacesAfterwards, 57 TransitionsBefore, 55 TransitionsAfterwards, 1590 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 0 ChoiceCompositions, 6 TotalNumberOfCompositions, 3355 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1048, positive: 934, positive conditional: 934, positive unconditional: 0, negative: 114, negative conditional: 114, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1048, positive: 934, positive conditional: 0, positive unconditional: 934, negative: 114, negative conditional: 0, negative unconditional: 114, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1048, positive: 934, positive conditional: 0, positive unconditional: 934, negative: 114, negative conditional: 0, negative unconditional: 114, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 227, positive: 219, positive conditional: 0, positive unconditional: 219, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 227, positive: 219, positive conditional: 0, positive unconditional: 219, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 8, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 13, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1048, positive: 715, positive conditional: 0, positive unconditional: 715, negative: 106, negative conditional: 0, negative unconditional: 106, unknown: 227, unknown conditional: 0, unknown unconditional: 227] , Statistics on independence cache: Total cache size (in pairs): 2960, Positive cache size: 2883, Positive conditional cache size: 0, Positive unconditional cache size: 2883, Negative cache size: 77, Negative conditional cache size: 0, Negative unconditional cache size: 77, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 12.0ms, 49 PlacesBefore, 49 PlacesAfterwards, 57 TransitionsBefore, 57 TransitionsAfterwards, 1424 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 1456 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 302, positive: 248, positive conditional: 248, positive unconditional: 0, negative: 54, negative conditional: 54, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 302, positive: 248, positive conditional: 0, positive unconditional: 248, negative: 54, negative conditional: 0, negative unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 302, positive: 248, positive conditional: 0, positive unconditional: 248, negative: 54, negative conditional: 0, negative unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 302, positive: 247, positive conditional: 0, positive unconditional: 247, negative: 54, negative conditional: 0, negative unconditional: 54, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 2961, Positive cache size: 2884, Positive conditional cache size: 0, Positive unconditional cache size: 2884, Negative cache size: 77, Negative conditional cache size: 0, Negative unconditional cache size: 77, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 19.9ms, 50 PlacesBefore, 50 PlacesAfterwards, 57 TransitionsBefore, 57 TransitionsAfterwards, 1382 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 1432 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 311, positive: 257, positive conditional: 257, positive unconditional: 0, negative: 54, negative conditional: 54, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 311, positive: 257, positive conditional: 0, positive unconditional: 257, negative: 54, negative conditional: 0, negative unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 311, positive: 257, positive conditional: 0, positive unconditional: 257, negative: 54, negative conditional: 0, negative unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 311, positive: 255, positive conditional: 0, positive unconditional: 255, negative: 54, negative conditional: 0, negative unconditional: 54, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 2963, Positive cache size: 2886, Positive conditional cache size: 0, Positive unconditional cache size: 2886, Negative cache size: 77, Negative conditional cache size: 0, Negative unconditional cache size: 77, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 41.0ms, 56 PlacesBefore, 56 PlacesAfterwards, 72 TransitionsBefore, 72 TransitionsAfterwards, 1560 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 847 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 176, positive: 146, positive conditional: 146, positive unconditional: 0, negative: 30, negative conditional: 30, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 176, positive: 146, positive conditional: 15, positive unconditional: 131, negative: 30, negative conditional: 1, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 176, positive: 146, positive conditional: 15, positive unconditional: 131, negative: 30, negative conditional: 1, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 56, positive: 50, positive conditional: 8, positive unconditional: 42, negative: 6, negative conditional: 1, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 56, positive: 49, positive conditional: 0, positive unconditional: 49, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 7, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 6, negative conditional: 1, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 10, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 9, negative conditional: 3, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 176, positive: 96, positive conditional: 7, positive unconditional: 89, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 56, unknown conditional: 9, unknown unconditional: 47] , Statistics on independence cache: Total cache size (in pairs): 3019, Positive cache size: 2936, Positive conditional cache size: 8, Positive unconditional cache size: 2928, Negative cache size: 83, Negative conditional cache size: 1, Negative unconditional cache size: 82, Eliminated conditions: 8 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 115.8ms, 64 PlacesBefore, 64 PlacesAfterwards, 77 TransitionsBefore, 77 TransitionsAfterwards, 1684 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 400 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 76, positive: 63, positive conditional: 63, positive unconditional: 0, negative: 13, negative conditional: 13, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 76, positive: 63, positive conditional: 6, positive unconditional: 57, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 76, positive: 63, positive conditional: 6, positive unconditional: 57, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 13, positive: 11, positive conditional: 1, positive unconditional: 10, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 13, positive: 11, positive conditional: 0, positive unconditional: 11, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 76, positive: 52, positive conditional: 5, positive unconditional: 47, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 13, unknown conditional: 1, unknown unconditional: 12] , Statistics on independence cache: Total cache size (in pairs): 3032, Positive cache size: 2947, Positive conditional cache size: 9, Positive unconditional cache size: 2938, Negative cache size: 85, Negative conditional cache size: 1, Negative unconditional cache size: 84, Eliminated conditions: 15 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 69.6ms, 68 PlacesBefore, 67 PlacesAfterwards, 75 TransitionsBefore, 75 TransitionsAfterwards, 1578 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 364 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 74, positive: 62, positive conditional: 62, positive unconditional: 0, negative: 12, negative conditional: 12, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 74, positive: 62, positive conditional: 6, positive unconditional: 56, negative: 12, negative conditional: 1, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 74, positive: 62, positive conditional: 6, positive unconditional: 56, negative: 12, negative conditional: 1, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 9, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 2, negative conditional: 1, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 9, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 1, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 4, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4, negative conditional: 2, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 74, positive: 55, positive conditional: 6, positive unconditional: 49, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 9, unknown conditional: 1, unknown unconditional: 8] , Statistics on independence cache: Total cache size (in pairs): 3041, Positive cache size: 2954, Positive conditional cache size: 9, Positive unconditional cache size: 2945, Negative cache size: 87, Negative conditional cache size: 2, Negative unconditional cache size: 85, Eliminated conditions: 13 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 59.6ms, 68 PlacesBefore, 68 PlacesAfterwards, 75 TransitionsBefore, 75 TransitionsAfterwards, 1550 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 357 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 76, positive: 64, positive conditional: 64, positive unconditional: 0, negative: 12, negative conditional: 12, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 76, positive: 64, positive conditional: 6, positive unconditional: 58, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 76, positive: 64, positive conditional: 6, positive unconditional: 58, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 76, positive: 60, positive conditional: 6, positive unconditional: 54, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 5, unknown conditional: 0, unknown unconditional: 5] , Statistics on independence cache: Total cache size (in pairs): 3046, Positive cache size: 2958, Positive conditional cache size: 9, Positive unconditional cache size: 2949, Negative cache size: 88, Negative conditional cache size: 2, Negative unconditional cache size: 86, Eliminated conditions: 1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 58.2ms, 72 PlacesBefore, 71 PlacesAfterwards, 79 TransitionsBefore, 79 TransitionsAfterwards, 1556 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 178 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 28, positive: 22, positive conditional: 22, positive unconditional: 0, negative: 6, negative conditional: 6, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 28, positive: 22, positive conditional: 0, positive unconditional: 22, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 28, positive: 22, positive conditional: 0, positive unconditional: 22, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 28, positive: 22, positive conditional: 0, positive unconditional: 22, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3046, Positive cache size: 2958, Positive conditional cache size: 9, Positive unconditional cache size: 2949, Negative cache size: 88, Negative conditional cache size: 2, Negative unconditional cache size: 86, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 46.3ms, 77 PlacesBefore, 77 PlacesAfterwards, 83 TransitionsBefore, 83 TransitionsAfterwards, 1388 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 60 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 8, positive: 6, positive conditional: 2, positive unconditional: 4, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 8, positive: 6, positive conditional: 2, positive unconditional: 4, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 8, positive: 6, positive conditional: 2, positive unconditional: 4, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3046, Positive cache size: 2958, Positive conditional cache size: 9, Positive unconditional cache size: 2949, Negative cache size: 88, Negative conditional cache size: 2, Negative unconditional cache size: 86, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.5ms, 73 PlacesBefore, 0 PlacesAfterwards, 0 TransitionsBefore, 0 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3046, Positive cache size: 2958, Positive conditional cache size: 9, Positive unconditional cache size: 2949, Negative cache size: 88, Negative conditional cache size: 2, Negative unconditional cache size: 86, Eliminated conditions: 0 - PositiveResult [Line: 834]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 764]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 100 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 2.2ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: SAFE, OverallTime: 4228.6ms, OverallIterations: 10, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 709.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 2472.6ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 136 SDtfs, 71 SDslu, 53 SDs, 0 SdLazy, 197 SolverSat, 35 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 117.5ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 37 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 45.8ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=447occurred in iteration=9, InterpolantAutomatonStates: 39, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 14.7ms SsaConstructionTime, 72.1ms SatisfiabilityAnalysisTime, 214.7ms InterpolantComputationTime, 151 NumberOfCodeBlocks, 151 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 141 ConstructedInterpolants, 0 QuantifiedInterpolants, 241 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...