/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-wmm/safe002_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-0e22065b97d0a1f8b3904e080cebe0f05e88d2b7-0e22065 [2021-06-11 16:00:20,304 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-11 16:00:20,306 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-11 16:00:20,342 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-11 16:00:20,342 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-11 16:00:20,344 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-11 16:00:20,347 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-11 16:00:20,351 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-11 16:00:20,353 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-11 16:00:20,356 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-11 16:00:20,357 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-11 16:00:20,358 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-11 16:00:20,358 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-11 16:00:20,359 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-11 16:00:20,360 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-11 16:00:20,361 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-11 16:00:20,493 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-11 16:00:20,494 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-11 16:00:20,495 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-11 16:00:20,497 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-11 16:00:20,498 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-11 16:00:20,499 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-11 16:00:20,499 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-11 16:00:20,501 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-11 16:00:20,507 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-06-11 16:00:20,507 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-06-11 16:00:20,507 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-06-11 16:00:20,508 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-06-11 16:00:20,508 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-06-11 16:00:20,508 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-06-11 16:00:20,508 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-11 16:00:20,509 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-11 16:00:20,509 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-11 16:00:20,510 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-11 16:00:20,510 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-11 16:00:20,510 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-11 16:00:20,511 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-11 16:00:20,511 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-11 16:00:20,511 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-11 16:00:20,512 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-11 16:00:20,512 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-11 16:00:20,515 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 16:00:20,543 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-11 16:00:20,543 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-11 16:00:20,545 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-11 16:00:20,545 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-11 16:00:20,545 INFO L138 SettingsManager]: * Use SBE=true [2021-06-11 16:00:20,546 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-11 16:00:20,546 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-11 16:00:20,546 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-11 16:00:20,546 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-11 16:00:20,546 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-11 16:00:20,547 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-11 16:00:20,547 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-11 16:00:20,547 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-11 16:00:20,547 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-11 16:00:20,547 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-11 16:00:20,547 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-11 16:00:20,547 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-11 16:00:20,547 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-11 16:00:20,547 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-11 16:00:20,547 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-11 16:00:20,548 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-11 16:00:20,548 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-11 16:00:20,548 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-11 16:00:20,548 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-11 16:00:20,548 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-11 16:00:20,548 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-11 16:00:20,548 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-11 16:00:20,548 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES_DISJUNCTIVE [2021-06-11 16:00:20,548 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-06-11 16:00:20,549 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-11 16:00:20,549 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-11 16:00:20,813 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-11 16:00:20,835 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-11 16:00:20,838 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-11 16:00:20,838 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-11 16:00:20,839 INFO L275 PluginConnector]: CDTParser initialized [2021-06-11 16:00:20,840 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe002_tso.opt.i [2021-06-11 16:00:20,892 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/36ddada37/6294ce0aded8492f8688228c581ea357/FLAG211b65f8f [2021-06-11 16:00:21,635 INFO L306 CDTParser]: Found 1 translation units. [2021-06-11 16:00:21,635 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe002_tso.opt.i [2021-06-11 16:00:21,649 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/36ddada37/6294ce0aded8492f8688228c581ea357/FLAG211b65f8f [2021-06-11 16:00:21,689 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/36ddada37/6294ce0aded8492f8688228c581ea357 [2021-06-11 16:00:21,691 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-11 16:00:21,693 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-11 16:00:21,695 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-11 16:00:21,696 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-11 16:00:21,698 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-11 16:00:21,699 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.06 04:00:21" (1/1) ... [2021-06-11 16:00:21,700 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cc7c9dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 04:00:21, skipping insertion in model container [2021-06-11 16:00:21,700 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.06 04:00:21" (1/1) ... [2021-06-11 16:00:21,705 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-11 16:00:21,740 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-11 16:00:21,859 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-wmm/safe002_tso.opt.i[949,962] [2021-06-11 16:00:21,945 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-11 16:00:21,950 INFO L203 MainTranslator]: Completed pre-run [2021-06-11 16:00:21,957 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-wmm/safe002_tso.opt.i[949,962] [2021-06-11 16:00:21,972 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-11 16:00:22,012 INFO L208 MainTranslator]: Completed translation [2021-06-11 16:00:22,012 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 04:00:22 WrapperNode [2021-06-11 16:00:22,012 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-11 16:00:22,013 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-11 16:00:22,013 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-11 16:00:22,013 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-11 16:00:22,018 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 04:00:22" (1/1) ... [2021-06-11 16:00:22,026 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 04:00:22" (1/1) ... [2021-06-11 16:00:22,038 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-11 16:00:22,038 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-11 16:00:22,038 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-11 16:00:22,039 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-11 16:00:22,043 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 04:00:22" (1/1) ... [2021-06-11 16:00:22,043 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 04:00:22" (1/1) ... [2021-06-11 16:00:22,045 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 04:00:22" (1/1) ... [2021-06-11 16:00:22,045 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 04:00:22" (1/1) ... [2021-06-11 16:00:22,048 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 04:00:22" (1/1) ... [2021-06-11 16:00:22,049 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 04:00:22" (1/1) ... [2021-06-11 16:00:22,050 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 04:00:22" (1/1) ... [2021-06-11 16:00:22,052 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-11 16:00:22,052 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-11 16:00:22,052 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-11 16:00:22,052 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-11 16:00:22,053 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 04:00:22" (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 16:00:22,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-11 16:00:22,103 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-11 16:00:22,103 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-11 16:00:22,103 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-11 16:00:22,104 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-06-11 16:00:22,104 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-06-11 16:00:22,104 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-06-11 16:00:22,105 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-06-11 16:00:22,105 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-06-11 16:00:22,105 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-06-11 16:00:22,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-11 16:00:22,105 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-11 16:00:22,105 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-11 16:00:22,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-11 16:00:22,106 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 16:00:22,393 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-11 16:00:22,393 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-06-11 16:00:22,394 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.06 04:00:22 BoogieIcfgContainer [2021-06-11 16:00:22,395 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-11 16:00:22,396 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-11 16:00:22,396 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-11 16:00:22,398 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-11 16:00:22,398 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.06 04:00:21" (1/3) ... [2021-06-11 16:00:22,399 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@655071e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.06 04:00:22, skipping insertion in model container [2021-06-11 16:00:22,399 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 04:00:22" (2/3) ... [2021-06-11 16:00:22,399 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@655071e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.06 04:00:22, skipping insertion in model container [2021-06-11 16:00:22,399 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.06 04:00:22" (3/3) ... [2021-06-11 16:00:22,400 INFO L111 eAbstractionObserver]: Analyzing ICFG safe002_tso.opt.i [2021-06-11 16:00:22,408 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-11 16:00:22,411 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-06-11 16:00:22,412 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-11 16:00:22,447 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:00:22,448 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:00:22,448 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:00:22,448 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:00:22,448 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:00:22,448 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:00:22,448 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:00:22,448 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:00:22,448 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:00:22,449 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:00:22,449 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:00:22,449 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:00:22,450 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:00:22,450 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:00:22,450 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:00:22,450 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:00:22,450 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:00:22,450 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:00:22,450 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:00:22,450 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:00:22,450 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:00:22,451 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:00:22,451 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:00:22,451 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:00:22,457 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:00:22,457 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:00:22,457 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:00:22,457 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:00:22,457 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:00:22,457 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:00:22,457 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:00:22,457 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:00:22,458 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:00:22,458 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:00:22,458 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:00:22,458 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:00:22,459 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:00:22,459 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:00:22,460 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:00:22,460 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:00:22,463 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:00:22,463 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:00:22,463 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:00:22,463 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:00:22,464 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:00:22,465 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:00:22,465 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:00:22,465 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:00:22,466 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-11 16:00:22,478 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-06-11 16:00:22,492 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-06-11 16:00:22,492 INFO L377 AbstractCegarLoop]: Hoare is false [2021-06-11 16:00:22,492 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-11 16:00:22,492 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-11 16:00:22,492 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-11 16:00:22,493 INFO L381 AbstractCegarLoop]: Difference is false [2021-06-11 16:00:22,493 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-11 16:00:22,493 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-06-11 16:00:22,500 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 83 places, 75 transitions, 165 flow [2021-06-11 16:00:22,544 INFO L129 PetriNetUnfolder]: 2/72 cut-off events. [2021-06-11 16:00:22,544 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 16:00:22,549 INFO L84 FinitePrefix]: Finished finitePrefix Result has 82 conditions, 72 events. 2/72 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 49 event pairs, 0 based on Foata normal form. 0/69 useless extension candidates. Maximal degree in co-relation 56. Up to 2 conditions per place. [2021-06-11 16:00:22,549 INFO L82 GeneralOperation]: Start removeDead. Operand has 83 places, 75 transitions, 165 flow [2021-06-11 16:00:22,560 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 69 places, 60 transitions, 129 flow [2021-06-11 16:00:22,561 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 16:00:22,570 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 69 places, 60 transitions, 129 flow [2021-06-11 16:00:22,575 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 69 places, 60 transitions, 129 flow [2021-06-11 16:00:22,576 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 69 places, 60 transitions, 129 flow [2021-06-11 16:00:22,595 INFO L129 PetriNetUnfolder]: 1/60 cut-off events. [2021-06-11 16:00:22,595 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 16:00:22,596 INFO L84 FinitePrefix]: Finished finitePrefix Result has 70 conditions, 60 events. 1/60 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 45 event pairs, 0 based on Foata normal form. 0/59 useless extension candidates. Maximal degree in co-relation 44. Up to 2 conditions per place. [2021-06-11 16:00:22,598 INFO L151 LiptonReduction]: Number of co-enabled transitions 864 [2021-06-11 16:00:22,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:00:22,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:00:22,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:00:22,735 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 16:00:22,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:00:22,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 16:00:22,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 16:00:22,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:00:22,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:00:22,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:00:22,803 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 16:00:22,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:00:22,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 16:00:22,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 16:00:22,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:00:22,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:00:22,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:00:22,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:00:22,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:00:22,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:00:22,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:00:22,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:00:22,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:00:22,961 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 16:00:22,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:00:22,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 16:00:22,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 16:00:22,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:00:22,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:00:23,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:00:23,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:00:23,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:00:23,096 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 16:00:23,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:00:23,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 16:00:23,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 16:00:23,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:00:23,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:00:23,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:00:23,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:00:23,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:00:23,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:00:23,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:00:23,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:00:23,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:00:23,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:00:23,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:00:23,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:00:23,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:00:23,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:00:23,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:00:23,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:00:23,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:00:23,523 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 16:00:23,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:00:23,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 16:00:23,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 16:00:23,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:00:23,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:00:23,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:00:23,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:00:23,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:00:23,728 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 16:00:23,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:00:23,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 16:00:23,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 16:00:23,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:00:23,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:00:23,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:00:23,848 INFO L147 QuantifierPusher]: treesize reduction 29, result has 3.3 percent of original size 1 [2021-06-11 16:00:23,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:00:23,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:00:24,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:00:24,188 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 16:00:24,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:00:24,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 16:00:24,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 16:00:24,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:00:24,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 16:00:24,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:00:24,311 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 16:00:24,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:00:24,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 16:00:24,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 16:00:24,436 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2021-06-11 16:00:24,611 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2021-06-11 16:00:24,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:00:24,671 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 16:00:24,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:00:24,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 16:00:24,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 16:00:24,694 INFO L163 LiptonReduction]: Checked pairs total: 1712 [2021-06-11 16:00:24,694 INFO L165 LiptonReduction]: Total number of compositions: 44 [2021-06-11 16:00:24,696 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2136 [2021-06-11 16:00:24,703 INFO L129 PetriNetUnfolder]: 0/15 cut-off events. [2021-06-11 16:00:24,703 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 16:00:24,703 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 16:00:24,703 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 16:00:24,703 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 16:00:24,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 16:00:24,706 INFO L82 PathProgramCache]: Analyzing trace with hash -1507554977, now seen corresponding path program 1 times [2021-06-11 16:00:24,714 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 16:00:24,714 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928529181] [2021-06-11 16:00:24,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 16:00:24,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 16:00:24,867 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-06-11 16:00:24,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 16:00:24,877 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 16:00:24,877 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [928529181] [2021-06-11 16:00:24,877 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 16:00:24,878 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-06-11 16:00:24,878 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759444802] [2021-06-11 16:00:24,883 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-11 16:00:24,883 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 16:00:24,890 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-11 16:00:24,891 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-11 16:00:24,893 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 119 [2021-06-11 16:00:24,894 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 27 places, 17 transitions, 43 flow. Second operand has 3 states, 3 states have (on average 90.66666666666667) internal successors, (272), 3 states have internal predecessors, (272), 0 states have call successors, (0), 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 16:00:24,894 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 16:00:24,894 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 119 [2021-06-11 16:00:24,895 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 16:00:24,921 INFO L129 PetriNetUnfolder]: 47/133 cut-off events. [2021-06-11 16:00:24,921 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 16:00:24,921 INFO L84 FinitePrefix]: Finished finitePrefix Result has 241 conditions, 133 events. 47/133 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 613 event pairs, 19 based on Foata normal form. 11/139 useless extension candidates. Maximal degree in co-relation 231. Up to 63 conditions per place. [2021-06-11 16:00:24,923 INFO L132 encePairwiseOnDemand]: 112/119 looper letters, 6 selfloop transitions, 6 changer transitions 0/22 dead transitions. [2021-06-11 16:00:24,923 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 29 places, 22 transitions, 77 flow [2021-06-11 16:00:24,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-11 16:00:24,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-06-11 16:00:24,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 283 transitions. [2021-06-11 16:00:24,931 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7927170868347339 [2021-06-11 16:00:24,931 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 283 transitions. [2021-06-11 16:00:24,931 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 283 transitions. [2021-06-11 16:00:24,932 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 16:00:24,934 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 283 transitions. [2021-06-11 16:00:24,936 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 94.33333333333333) internal successors, (283), 3 states have internal predecessors, (283), 0 states have call successors, (0), 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 16:00:24,940 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 119.0) internal successors, (476), 4 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 16:00:24,940 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 119.0) internal successors, (476), 4 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 16:00:24,941 INFO L185 Difference]: Start difference. First operand has 27 places, 17 transitions, 43 flow. Second operand 3 states and 283 transitions. [2021-06-11 16:00:24,942 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 29 places, 22 transitions, 77 flow [2021-06-11 16:00:24,943 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 26 places, 22 transitions, 74 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-06-11 16:00:24,944 INFO L241 Difference]: Finished difference. Result has 28 places, 22 transitions, 86 flow [2021-06-11 16:00:24,945 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=119, PETRI_DIFFERENCE_MINUEND_FLOW=40, PETRI_DIFFERENCE_MINUEND_PLACES=24, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=17, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=11, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=86, PETRI_PLACES=28, PETRI_TRANSITIONS=22} [2021-06-11 16:00:24,946 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 1 predicate places. [2021-06-11 16:00:24,946 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 16:00:24,946 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 28 places, 22 transitions, 86 flow [2021-06-11 16:00:24,946 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 28 places, 22 transitions, 86 flow [2021-06-11 16:00:24,946 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 28 places, 22 transitions, 86 flow [2021-06-11 16:00:24,954 INFO L129 PetriNetUnfolder]: 47/134 cut-off events. [2021-06-11 16:00:24,954 INFO L130 PetriNetUnfolder]: For 20/20 co-relation queries the response was YES. [2021-06-11 16:00:24,955 INFO L84 FinitePrefix]: Finished finitePrefix Result has 287 conditions, 134 events. 47/134 cut-off events. For 20/20 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 626 event pairs, 13 based on Foata normal form. 0/131 useless extension candidates. Maximal degree in co-relation 278. Up to 63 conditions per place. [2021-06-11 16:00:24,956 INFO L151 LiptonReduction]: Number of co-enabled transitions 144 [2021-06-11 16:00:24,958 INFO L163 LiptonReduction]: Checked pairs total: 42 [2021-06-11 16:00:24,958 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 16:00:24,958 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 12 [2021-06-11 16:00:24,959 INFO L480 AbstractCegarLoop]: Abstraction has has 28 places, 22 transitions, 86 flow [2021-06-11 16:00:24,959 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 90.66666666666667) internal successors, (272), 3 states have internal predecessors, (272), 0 states have call successors, (0), 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 16:00:24,959 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 16:00:24,959 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 16:00:24,959 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-11 16:00:24,959 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 16:00:24,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 16:00:24,960 INFO L82 PathProgramCache]: Analyzing trace with hash 510435415, now seen corresponding path program 1 times [2021-06-11 16:00:24,960 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 16:00:24,960 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122084610] [2021-06-11 16:00:24,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 16:00:24,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 16:00:25,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:00:25,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 16:00:25,020 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-06-11 16:00:25,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 16:00:25,025 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 16:00:25,026 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2122084610] [2021-06-11 16:00:25,026 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 16:00:25,026 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-11 16:00:25,026 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687711895] [2021-06-11 16:00:25,026 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-11 16:00:25,027 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 16:00:25,027 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-11 16:00:25,027 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-06-11 16:00:25,028 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 119 [2021-06-11 16:00:25,028 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 28 places, 22 transitions, 86 flow. Second operand has 4 states, 4 states have (on average 90.75) internal successors, (363), 4 states have internal predecessors, (363), 0 states have call successors, (0), 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 16:00:25,028 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 16:00:25,028 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 119 [2021-06-11 16:00:25,029 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 16:00:25,052 INFO L129 PetriNetUnfolder]: 33/103 cut-off events. [2021-06-11 16:00:25,053 INFO L130 PetriNetUnfolder]: For 33/69 co-relation queries the response was YES. [2021-06-11 16:00:25,053 INFO L84 FinitePrefix]: Finished finitePrefix Result has 300 conditions, 103 events. 33/103 cut-off events. For 33/69 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 418 event pairs, 0 based on Foata normal form. 5/106 useless extension candidates. Maximal degree in co-relation 289. Up to 51 conditions per place. [2021-06-11 16:00:25,053 INFO L132 encePairwiseOnDemand]: 112/119 looper letters, 10 selfloop transitions, 10 changer transitions 0/30 dead transitions. [2021-06-11 16:00:25,054 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 31 places, 30 transitions, 168 flow [2021-06-11 16:00:25,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-11 16:00:25,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-06-11 16:00:25,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 377 transitions. [2021-06-11 16:00:25,056 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.792016806722689 [2021-06-11 16:00:25,056 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 377 transitions. [2021-06-11 16:00:25,056 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 377 transitions. [2021-06-11 16:00:25,056 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 16:00:25,056 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 377 transitions. [2021-06-11 16:00:25,057 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 94.25) internal successors, (377), 4 states have internal predecessors, (377), 0 states have call successors, (0), 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 16:00:25,058 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 119.0) internal successors, (595), 5 states have internal predecessors, (595), 0 states have call successors, (0), 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 16:00:25,059 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 119.0) internal successors, (595), 5 states have internal predecessors, (595), 0 states have call successors, (0), 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 16:00:25,059 INFO L185 Difference]: Start difference. First operand has 28 places, 22 transitions, 86 flow. Second operand 4 states and 377 transitions. [2021-06-11 16:00:25,059 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 31 places, 30 transitions, 168 flow [2021-06-11 16:00:25,060 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 29 places, 30 transitions, 146 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-06-11 16:00:25,060 INFO L241 Difference]: Finished difference. Result has 32 places, 28 transitions, 148 flow [2021-06-11 16:00:25,060 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=119, PETRI_DIFFERENCE_MINUEND_FLOW=74, PETRI_DIFFERENCE_MINUEND_PLACES=26, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=22, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=14, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=148, PETRI_PLACES=32, PETRI_TRANSITIONS=28} [2021-06-11 16:00:25,061 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 5 predicate places. [2021-06-11 16:00:25,061 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 16:00:25,061 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 32 places, 28 transitions, 148 flow [2021-06-11 16:00:25,061 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 32 places, 28 transitions, 148 flow [2021-06-11 16:00:25,061 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 32 places, 28 transitions, 148 flow [2021-06-11 16:00:25,068 INFO L129 PetriNetUnfolder]: 33/104 cut-off events. [2021-06-11 16:00:25,068 INFO L130 PetriNetUnfolder]: For 72/80 co-relation queries the response was YES. [2021-06-11 16:00:25,070 INFO L84 FinitePrefix]: Finished finitePrefix Result has 285 conditions, 104 events. 33/104 cut-off events. For 72/80 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 428 event pairs, 11 based on Foata normal form. 0/101 useless extension candidates. Maximal degree in co-relation 273. Up to 51 conditions per place. [2021-06-11 16:00:25,071 INFO L151 LiptonReduction]: Number of co-enabled transitions 168 [2021-06-11 16:00:25,073 INFO L163 LiptonReduction]: Checked pairs total: 62 [2021-06-11 16:00:25,073 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 16:00:25,073 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 12 [2021-06-11 16:00:25,074 INFO L480 AbstractCegarLoop]: Abstraction has has 32 places, 28 transitions, 148 flow [2021-06-11 16:00:25,074 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 90.75) internal successors, (363), 4 states have internal predecessors, (363), 0 states have call successors, (0), 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 16:00:25,074 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 16:00:25,074 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 16:00:25,075 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-11 16:00:25,075 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 16:00:25,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 16:00:25,075 INFO L82 PathProgramCache]: Analyzing trace with hash -1356991966, now seen corresponding path program 1 times [2021-06-11 16:00:25,075 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 16:00:25,075 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1567882449] [2021-06-11 16:00:25,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 16:00:25,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 16:00:25,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:00:25,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 16:00:25,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:00:25,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 16:00:25,131 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 16:00:25,131 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1567882449] [2021-06-11 16:00:25,131 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 16:00:25,131 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-11 16:00:25,131 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048336958] [2021-06-11 16:00:25,132 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-11 16:00:25,132 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 16:00:25,132 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-11 16:00:25,132 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-11 16:00:25,133 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 95 out of 119 [2021-06-11 16:00:25,133 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 32 places, 28 transitions, 148 flow. Second operand has 4 states, 4 states have (on average 96.0) internal successors, (384), 4 states have internal predecessors, (384), 0 states have call successors, (0), 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 16:00:25,133 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 16:00:25,133 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 95 of 119 [2021-06-11 16:00:25,133 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 16:00:25,159 INFO L129 PetriNetUnfolder]: 27/97 cut-off events. [2021-06-11 16:00:25,159 INFO L130 PetriNetUnfolder]: For 112/146 co-relation queries the response was YES. [2021-06-11 16:00:25,160 INFO L84 FinitePrefix]: Finished finitePrefix Result has 310 conditions, 97 events. 27/97 cut-off events. For 112/146 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 410 event pairs, 4 based on Foata normal form. 12/107 useless extension candidates. Maximal degree in co-relation 296. Up to 48 conditions per place. [2021-06-11 16:00:25,160 INFO L132 encePairwiseOnDemand]: 114/119 looper letters, 7 selfloop transitions, 5 changer transitions 9/33 dead transitions. [2021-06-11 16:00:25,160 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 35 places, 33 transitions, 218 flow [2021-06-11 16:00:25,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-11 16:00:25,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-06-11 16:00:25,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 393 transitions. [2021-06-11 16:00:25,162 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8256302521008403 [2021-06-11 16:00:25,162 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 393 transitions. [2021-06-11 16:00:25,162 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 393 transitions. [2021-06-11 16:00:25,162 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 16:00:25,162 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 393 transitions. [2021-06-11 16:00:25,163 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 98.25) internal successors, (393), 4 states have internal predecessors, (393), 0 states have call successors, (0), 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 16:00:25,164 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 119.0) internal successors, (595), 5 states have internal predecessors, (595), 0 states have call successors, (0), 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 16:00:25,165 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 119.0) internal successors, (595), 5 states have internal predecessors, (595), 0 states have call successors, (0), 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 16:00:25,165 INFO L185 Difference]: Start difference. First operand has 32 places, 28 transitions, 148 flow. Second operand 4 states and 393 transitions. [2021-06-11 16:00:25,165 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 35 places, 33 transitions, 218 flow [2021-06-11 16:00:25,166 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 33 transitions, 218 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-06-11 16:00:25,167 INFO L241 Difference]: Finished difference. Result has 36 places, 23 transitions, 128 flow [2021-06-11 16:00:25,167 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=119, PETRI_DIFFERENCE_MINUEND_FLOW=148, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=128, PETRI_PLACES=36, PETRI_TRANSITIONS=23} [2021-06-11 16:00:25,167 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 9 predicate places. [2021-06-11 16:00:25,167 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 16:00:25,167 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 36 places, 23 transitions, 128 flow [2021-06-11 16:00:25,168 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 36 places, 23 transitions, 128 flow [2021-06-11 16:00:25,168 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 36 places, 23 transitions, 128 flow [2021-06-11 16:00:25,171 INFO L129 PetriNetUnfolder]: 13/52 cut-off events. [2021-06-11 16:00:25,171 INFO L130 PetriNetUnfolder]: For 71/76 co-relation queries the response was YES. [2021-06-11 16:00:25,171 INFO L84 FinitePrefix]: Finished finitePrefix Result has 154 conditions, 52 events. 13/52 cut-off events. For 71/76 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 149 event pairs, 5 based on Foata normal form. 1/52 useless extension candidates. Maximal degree in co-relation 139. Up to 26 conditions per place. [2021-06-11 16:00:25,172 INFO L151 LiptonReduction]: Number of co-enabled transitions 126 [2021-06-11 16:00:25,173 INFO L163 LiptonReduction]: Checked pairs total: 27 [2021-06-11 16:00:25,173 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 16:00:25,173 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 6 [2021-06-11 16:00:25,174 INFO L480 AbstractCegarLoop]: Abstraction has has 36 places, 23 transitions, 128 flow [2021-06-11 16:00:25,174 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 96.0) internal successors, (384), 4 states have internal predecessors, (384), 0 states have call successors, (0), 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 16:00:25,174 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 16:00:25,174 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 16:00:25,174 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-11 16:00:25,175 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 16:00:25,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 16:00:25,175 INFO L82 PathProgramCache]: Analyzing trace with hash -2100171749, now seen corresponding path program 1 times [2021-06-11 16:00:25,175 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 16:00:25,175 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [358439553] [2021-06-11 16:00:25,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 16:00:25,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 16:00:25,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:00:25,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 16:00:25,216 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-06-11 16:00:25,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 16:00:25,222 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 16:00:25,223 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [358439553] [2021-06-11 16:00:25,223 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 16:00:25,223 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-11 16:00:25,223 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132566997] [2021-06-11 16:00:25,223 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-11 16:00:25,223 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 16:00:25,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-11 16:00:25,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-06-11 16:00:25,224 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 119 [2021-06-11 16:00:25,225 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 23 transitions, 128 flow. Second operand has 4 states, 4 states have (on average 91.25) internal successors, (365), 4 states have internal predecessors, (365), 0 states have call successors, (0), 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 16:00:25,225 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 16:00:25,225 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 119 [2021-06-11 16:00:25,225 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 16:00:25,238 INFO L129 PetriNetUnfolder]: 12/48 cut-off events. [2021-06-11 16:00:25,238 INFO L130 PetriNetUnfolder]: For 96/126 co-relation queries the response was YES. [2021-06-11 16:00:25,239 INFO L84 FinitePrefix]: Finished finitePrefix Result has 179 conditions, 48 events. 12/48 cut-off events. For 96/126 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 130 event pairs, 2 based on Foata normal form. 7/54 useless extension candidates. Maximal degree in co-relation 162. Up to 24 conditions per place. [2021-06-11 16:00:25,239 INFO L132 encePairwiseOnDemand]: 112/119 looper letters, 7 selfloop transitions, 8 changer transitions 0/25 dead transitions. [2021-06-11 16:00:25,239 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 25 transitions, 173 flow [2021-06-11 16:00:25,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-11 16:00:25,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-06-11 16:00:25,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 374 transitions. [2021-06-11 16:00:25,240 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7857142857142857 [2021-06-11 16:00:25,240 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 374 transitions. [2021-06-11 16:00:25,240 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 374 transitions. [2021-06-11 16:00:25,240 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 16:00:25,240 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 374 transitions. [2021-06-11 16:00:25,241 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 93.5) internal successors, (374), 4 states have internal predecessors, (374), 0 states have call successors, (0), 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 16:00:25,242 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 119.0) internal successors, (595), 5 states have internal predecessors, (595), 0 states have call successors, (0), 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 16:00:25,242 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 119.0) internal successors, (595), 5 states have internal predecessors, (595), 0 states have call successors, (0), 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 16:00:25,242 INFO L185 Difference]: Start difference. First operand has 36 places, 23 transitions, 128 flow. Second operand 4 states and 374 transitions. [2021-06-11 16:00:25,243 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 25 transitions, 173 flow [2021-06-11 16:00:25,243 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 25 transitions, 157 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-06-11 16:00:25,244 INFO L241 Difference]: Finished difference. Result has 37 places, 24 transitions, 149 flow [2021-06-11 16:00:25,244 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=119, PETRI_DIFFERENCE_MINUEND_FLOW=114, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=23, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=15, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=149, PETRI_PLACES=37, PETRI_TRANSITIONS=24} [2021-06-11 16:00:25,244 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 10 predicate places. [2021-06-11 16:00:25,244 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 16:00:25,244 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 37 places, 24 transitions, 149 flow [2021-06-11 16:00:25,245 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 37 places, 24 transitions, 149 flow [2021-06-11 16:00:25,245 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 37 places, 24 transitions, 149 flow [2021-06-11 16:00:25,248 INFO L129 PetriNetUnfolder]: 12/48 cut-off events. [2021-06-11 16:00:25,248 INFO L130 PetriNetUnfolder]: For 68/77 co-relation queries the response was YES. [2021-06-11 16:00:25,248 INFO L84 FinitePrefix]: Finished finitePrefix Result has 164 conditions, 48 events. 12/48 cut-off events. For 68/77 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 130 event pairs, 2 based on Foata normal form. 1/48 useless extension candidates. Maximal degree in co-relation 149. Up to 24 conditions per place. [2021-06-11 16:00:25,248 INFO L151 LiptonReduction]: Number of co-enabled transitions 130 [2021-06-11 16:00:25,250 INFO L163 LiptonReduction]: Checked pairs total: 28 [2021-06-11 16:00:25,250 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 16:00:25,250 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 6 [2021-06-11 16:00:25,251 INFO L480 AbstractCegarLoop]: Abstraction has has 37 places, 24 transitions, 149 flow [2021-06-11 16:00:25,251 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 91.25) internal successors, (365), 4 states have internal predecessors, (365), 0 states have call successors, (0), 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 16:00:25,251 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 16:00:25,251 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 16:00:25,251 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-11 16:00:25,251 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 16:00:25,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 16:00:25,252 INFO L82 PathProgramCache]: Analyzing trace with hash -628844931, now seen corresponding path program 1 times [2021-06-11 16:00:25,252 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 16:00:25,252 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [852396380] [2021-06-11 16:00:25,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 16:00:25,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 16:00:25,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:00:25,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:00:25,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:00:25,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 16:00:25,291 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-06-11 16:00:25,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 16:00:25,299 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 16:00:25,300 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [852396380] [2021-06-11 16:00:25,300 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 16:00:25,300 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-11 16:00:25,300 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858922053] [2021-06-11 16:00:25,300 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-11 16:00:25,300 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 16:00:25,301 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-11 16:00:25,301 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-06-11 16:00:25,301 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 119 [2021-06-11 16:00:25,302 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 24 transitions, 149 flow. Second operand has 4 states, 4 states have (on average 91.25) internal successors, (365), 4 states have internal predecessors, (365), 0 states have call successors, (0), 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 16:00:25,302 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 16:00:25,302 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 119 [2021-06-11 16:00:25,302 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 16:00:25,317 INFO L129 PetriNetUnfolder]: 9/43 cut-off events. [2021-06-11 16:00:25,317 INFO L130 PetriNetUnfolder]: For 93/122 co-relation queries the response was YES. [2021-06-11 16:00:25,317 INFO L84 FinitePrefix]: Finished finitePrefix Result has 174 conditions, 43 events. 9/43 cut-off events. For 93/122 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 110 event pairs, 2 based on Foata normal form. 9/51 useless extension candidates. Maximal degree in co-relation 157. Up to 19 conditions per place. [2021-06-11 16:00:25,318 INFO L132 encePairwiseOnDemand]: 114/119 looper letters, 8 selfloop transitions, 7 changer transitions 0/25 dead transitions. [2021-06-11 16:00:25,318 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 40 places, 25 transitions, 183 flow [2021-06-11 16:00:25,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-11 16:00:25,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-06-11 16:00:25,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 372 transitions. [2021-06-11 16:00:25,321 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7815126050420168 [2021-06-11 16:00:25,321 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 372 transitions. [2021-06-11 16:00:25,321 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 372 transitions. [2021-06-11 16:00:25,321 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 16:00:25,321 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 372 transitions. [2021-06-11 16:00:25,322 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 93.0) internal successors, (372), 4 states have internal predecessors, (372), 0 states have call successors, (0), 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 16:00:25,322 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 119.0) internal successors, (595), 5 states have internal predecessors, (595), 0 states have call successors, (0), 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 16:00:25,323 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 119.0) internal successors, (595), 5 states have internal predecessors, (595), 0 states have call successors, (0), 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 16:00:25,323 INFO L185 Difference]: Start difference. First operand has 37 places, 24 transitions, 149 flow. Second operand 4 states and 372 transitions. [2021-06-11 16:00:25,323 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 40 places, 25 transitions, 183 flow [2021-06-11 16:00:25,324 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 25 transitions, 177 flow, removed 1 selfloop flow, removed 1 redundant places. [2021-06-11 16:00:25,324 INFO L241 Difference]: Finished difference. Result has 40 places, 24 transitions, 164 flow [2021-06-11 16:00:25,325 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=119, PETRI_DIFFERENCE_MINUEND_FLOW=143, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=24, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=164, PETRI_PLACES=40, PETRI_TRANSITIONS=24} [2021-06-11 16:00:25,325 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 13 predicate places. [2021-06-11 16:00:25,325 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 16:00:25,325 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 40 places, 24 transitions, 164 flow [2021-06-11 16:00:25,325 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 40 places, 24 transitions, 164 flow [2021-06-11 16:00:25,325 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 40 places, 24 transitions, 164 flow [2021-06-11 16:00:25,328 INFO L129 PetriNetUnfolder]: 9/42 cut-off events. [2021-06-11 16:00:25,328 INFO L130 PetriNetUnfolder]: For 98/107 co-relation queries the response was YES. [2021-06-11 16:00:25,328 INFO L84 FinitePrefix]: Finished finitePrefix Result has 161 conditions, 42 events. 9/42 cut-off events. For 98/107 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 101 event pairs, 1 based on Foata normal form. 1/42 useless extension candidates. Maximal degree in co-relation 144. Up to 19 conditions per place. [2021-06-11 16:00:25,329 INFO L151 LiptonReduction]: Number of co-enabled transitions 130 [2021-06-11 16:00:25,330 INFO L163 LiptonReduction]: Checked pairs total: 28 [2021-06-11 16:00:25,330 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 16:00:25,330 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5 [2021-06-11 16:00:25,331 INFO L480 AbstractCegarLoop]: Abstraction has has 40 places, 24 transitions, 164 flow [2021-06-11 16:00:25,331 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 91.25) internal successors, (365), 4 states have internal predecessors, (365), 0 states have call successors, (0), 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 16:00:25,331 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 16:00:25,332 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 16:00:25,332 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-11 16:00:25,332 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 16:00:25,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 16:00:25,332 INFO L82 PathProgramCache]: Analyzing trace with hash 1467926719, now seen corresponding path program 1 times [2021-06-11 16:00:25,333 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 16:00:25,333 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690020448] [2021-06-11 16:00:25,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 16:00:25,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 16:00:25,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:00:25,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 16:00:25,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:00:25,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 16:00:25,357 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 16:00:25,358 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [690020448] [2021-06-11 16:00:25,358 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 16:00:25,358 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-11 16:00:25,358 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116020938] [2021-06-11 16:00:25,358 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-11 16:00:25,358 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 16:00:25,358 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-11 16:00:25,359 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-11 16:00:25,359 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 95 out of 119 [2021-06-11 16:00:25,359 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 24 transitions, 164 flow. Second operand has 4 states, 4 states have (on average 96.5) internal successors, (386), 4 states have internal predecessors, (386), 0 states have call successors, (0), 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 16:00:25,360 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 16:00:25,360 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 95 of 119 [2021-06-11 16:00:25,360 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 16:00:25,374 INFO L129 PetriNetUnfolder]: 9/53 cut-off events. [2021-06-11 16:00:25,374 INFO L130 PetriNetUnfolder]: For 173/194 co-relation queries the response was YES. [2021-06-11 16:00:25,375 INFO L84 FinitePrefix]: Finished finitePrefix Result has 224 conditions, 53 events. 9/53 cut-off events. For 173/194 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 175 event pairs, 3 based on Foata normal form. 6/58 useless extension candidates. Maximal degree in co-relation 205. Up to 24 conditions per place. [2021-06-11 16:00:25,375 INFO L132 encePairwiseOnDemand]: 115/119 looper letters, 6 selfloop transitions, 4 changer transitions 5/27 dead transitions. [2021-06-11 16:00:25,375 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 27 transitions, 226 flow [2021-06-11 16:00:25,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-11 16:00:25,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-06-11 16:00:25,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 390 transitions. [2021-06-11 16:00:25,376 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.819327731092437 [2021-06-11 16:00:25,376 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 390 transitions. [2021-06-11 16:00:25,376 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 390 transitions. [2021-06-11 16:00:25,377 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 16:00:25,377 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 390 transitions. [2021-06-11 16:00:25,377 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 97.5) internal successors, (390), 4 states have internal predecessors, (390), 0 states have call successors, (0), 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 16:00:25,378 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 119.0) internal successors, (595), 5 states have internal predecessors, (595), 0 states have call successors, (0), 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 16:00:25,378 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 119.0) internal successors, (595), 5 states have internal predecessors, (595), 0 states have call successors, (0), 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 16:00:25,378 INFO L185 Difference]: Start difference. First operand has 40 places, 24 transitions, 164 flow. Second operand 4 states and 390 transitions. [2021-06-11 16:00:25,379 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 27 transitions, 226 flow [2021-06-11 16:00:25,380 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 27 transitions, 199 flow, removed 3 selfloop flow, removed 3 redundant places. [2021-06-11 16:00:25,380 INFO L241 Difference]: Finished difference. Result has 41 places, 22 transitions, 135 flow [2021-06-11 16:00:25,380 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=119, PETRI_DIFFERENCE_MINUEND_FLOW=142, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=24, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=135, PETRI_PLACES=41, PETRI_TRANSITIONS=22} [2021-06-11 16:00:25,380 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 14 predicate places. [2021-06-11 16:00:25,380 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 16:00:25,381 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 41 places, 22 transitions, 135 flow [2021-06-11 16:00:25,381 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 41 places, 22 transitions, 135 flow [2021-06-11 16:00:25,381 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 41 places, 22 transitions, 135 flow [2021-06-11 16:00:25,383 INFO L129 PetriNetUnfolder]: 6/33 cut-off events. [2021-06-11 16:00:25,383 INFO L130 PetriNetUnfolder]: For 38/38 co-relation queries the response was YES. [2021-06-11 16:00:25,383 INFO L84 FinitePrefix]: Finished finitePrefix Result has 122 conditions, 33 events. 6/33 cut-off events. For 38/38 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 57 event pairs, 2 based on Foata normal form. 0/33 useless extension candidates. Maximal degree in co-relation 104. Up to 16 conditions per place. [2021-06-11 16:00:25,384 INFO L151 LiptonReduction]: Number of co-enabled transitions 92 [2021-06-11 16:00:25,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:00:25,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:00:25,410 INFO L163 LiptonReduction]: Checked pairs total: 30 [2021-06-11 16:00:25,410 INFO L165 LiptonReduction]: Total number of compositions: 1 [2021-06-11 16:00:25,410 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 30 [2021-06-11 16:00:25,411 INFO L480 AbstractCegarLoop]: Abstraction has has 40 places, 21 transitions, 133 flow [2021-06-11 16:00:25,411 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 96.5) internal successors, (386), 4 states have internal predecessors, (386), 0 states have call successors, (0), 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 16:00:25,411 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 16:00:25,411 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 16:00:25,412 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-06-11 16:00:25,412 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 16:00:25,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 16:00:25,412 INFO L82 PathProgramCache]: Analyzing trace with hash 1980596689, now seen corresponding path program 2 times [2021-06-11 16:00:25,412 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 16:00:25,412 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1293198502] [2021-06-11 16:00:25,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 16:00:25,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 16:00:25,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:00:25,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:00:25,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:00:25,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 16:00:25,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:00:25,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 16:00:25,440 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-06-11 16:00:25,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 16:00:25,447 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 16:00:25,448 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1293198502] [2021-06-11 16:00:25,448 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 16:00:25,448 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-11 16:00:25,448 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1416587276] [2021-06-11 16:00:25,448 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-11 16:00:25,448 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 16:00:25,449 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-11 16:00:25,449 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-06-11 16:00:25,449 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 120 [2021-06-11 16:00:25,450 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 21 transitions, 133 flow. Second operand has 5 states, 5 states have (on average 91.2) internal successors, (456), 5 states have internal predecessors, (456), 0 states have call successors, (0), 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 16:00:25,450 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 16:00:25,450 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 120 [2021-06-11 16:00:25,450 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 16:00:25,476 INFO L129 PetriNetUnfolder]: 5/34 cut-off events. [2021-06-11 16:00:25,476 INFO L130 PetriNetUnfolder]: For 72/84 co-relation queries the response was YES. [2021-06-11 16:00:25,477 INFO L84 FinitePrefix]: Finished finitePrefix Result has 146 conditions, 34 events. 5/34 cut-off events. For 72/84 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 77 event pairs, 1 based on Foata normal form. 9/43 useless extension candidates. Maximal degree in co-relation 126. Up to 17 conditions per place. [2021-06-11 16:00:25,478 INFO L132 encePairwiseOnDemand]: 115/120 looper letters, 4 selfloop transitions, 3 changer transitions 7/23 dead transitions. [2021-06-11 16:00:25,478 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 23 transitions, 169 flow [2021-06-11 16:00:25,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-11 16:00:25,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-06-11 16:00:25,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 553 transitions. [2021-06-11 16:00:25,480 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7680555555555556 [2021-06-11 16:00:25,480 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 553 transitions. [2021-06-11 16:00:25,480 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 553 transitions. [2021-06-11 16:00:25,481 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 16:00:25,481 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 553 transitions. [2021-06-11 16:00:25,482 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 92.16666666666667) internal successors, (553), 6 states have internal predecessors, (553), 0 states have call successors, (0), 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 16:00:25,483 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 120.0) internal successors, (840), 7 states have internal predecessors, (840), 0 states have call successors, (0), 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 16:00:25,483 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 120.0) internal successors, (840), 7 states have internal predecessors, (840), 0 states have call successors, (0), 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 16:00:25,484 INFO L185 Difference]: Start difference. First operand has 40 places, 21 transitions, 133 flow. Second operand 6 states and 553 transitions. [2021-06-11 16:00:25,484 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 23 transitions, 169 flow [2021-06-11 16:00:25,485 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 23 transitions, 140 flow, removed 2 selfloop flow, removed 8 redundant places. [2021-06-11 16:00:25,485 INFO L241 Difference]: Finished difference. Result has 38 places, 16 transitions, 74 flow [2021-06-11 16:00:25,485 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=120, PETRI_DIFFERENCE_MINUEND_FLOW=104, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=21, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=74, PETRI_PLACES=38, PETRI_TRANSITIONS=16} [2021-06-11 16:00:25,486 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 11 predicate places. [2021-06-11 16:00:25,486 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 16:00:25,486 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 38 places, 16 transitions, 74 flow [2021-06-11 16:00:25,486 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 38 places, 16 transitions, 74 flow [2021-06-11 16:00:25,486 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 35 places, 16 transitions, 74 flow [2021-06-11 16:00:25,494 INFO L129 PetriNetUnfolder]: 1/18 cut-off events. [2021-06-11 16:00:25,494 INFO L130 PetriNetUnfolder]: For 14/14 co-relation queries the response was YES. [2021-06-11 16:00:25,494 INFO L84 FinitePrefix]: Finished finitePrefix Result has 55 conditions, 18 events. 1/18 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 14 event pairs, 1 based on Foata normal form. 0/18 useless extension candidates. Maximal degree in co-relation 42. Up to 7 conditions per place. [2021-06-11 16:00:25,495 INFO L151 LiptonReduction]: Number of co-enabled transitions 48 [2021-06-11 16:00:25,495 INFO L163 LiptonReduction]: Checked pairs total: 18 [2021-06-11 16:00:25,495 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 16:00:25,496 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 10 [2021-06-11 16:00:25,500 INFO L480 AbstractCegarLoop]: Abstraction has has 35 places, 16 transitions, 74 flow [2021-06-11 16:00:25,500 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 91.2) internal successors, (456), 5 states have internal predecessors, (456), 0 states have call successors, (0), 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 16:00:25,500 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 16:00:25,500 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 16:00:25,500 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-06-11 16:00:25,500 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 16:00:25,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 16:00:25,501 INFO L82 PathProgramCache]: Analyzing trace with hash -2072374018, now seen corresponding path program 1 times [2021-06-11 16:00:25,501 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 16:00:25,501 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1351822663] [2021-06-11 16:00:25,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 16:00:25,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 16:00:25,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:00:25,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 16:00:25,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:00:25,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 16:00:25,548 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 16:00:25,548 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1351822663] [2021-06-11 16:00:25,549 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 16:00:25,549 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-11 16:00:25,549 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74658871] [2021-06-11 16:00:25,550 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-11 16:00:25,550 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 16:00:25,550 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-11 16:00:25,550 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-11 16:00:25,551 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 92 out of 120 [2021-06-11 16:00:25,551 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 16 transitions, 74 flow. Second operand has 4 states, 4 states have (on average 92.75) internal successors, (371), 4 states have internal predecessors, (371), 0 states have call successors, (0), 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 16:00:25,551 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 16:00:25,552 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 92 of 120 [2021-06-11 16:00:25,552 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 16:00:25,579 INFO L129 PetriNetUnfolder]: 32/75 cut-off events. [2021-06-11 16:00:25,580 INFO L130 PetriNetUnfolder]: For 211/246 co-relation queries the response was YES. [2021-06-11 16:00:25,580 INFO L84 FinitePrefix]: Finished finitePrefix Result has 209 conditions, 75 events. 32/75 cut-off events. For 211/246 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 231 event pairs, 16 based on Foata normal form. 12/79 useless extension candidates. Maximal degree in co-relation 194. Up to 49 conditions per place. [2021-06-11 16:00:25,580 INFO L132 encePairwiseOnDemand]: 114/120 looper letters, 5 selfloop transitions, 4 changer transitions 7/26 dead transitions. [2021-06-11 16:00:25,580 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 26 transitions, 126 flow [2021-06-11 16:00:25,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-11 16:00:25,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-06-11 16:00:25,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 478 transitions. [2021-06-11 16:00:25,581 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7966666666666666 [2021-06-11 16:00:25,582 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 478 transitions. [2021-06-11 16:00:25,582 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 478 transitions. [2021-06-11 16:00:25,582 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 16:00:25,582 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 478 transitions. [2021-06-11 16:00:25,583 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 95.6) internal successors, (478), 5 states have internal predecessors, (478), 0 states have call successors, (0), 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 16:00:25,583 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 120.0) internal successors, (720), 6 states have internal predecessors, (720), 0 states have call successors, (0), 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 16:00:25,584 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 120.0) internal successors, (720), 6 states have internal predecessors, (720), 0 states have call successors, (0), 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 16:00:25,584 INFO L185 Difference]: Start difference. First operand has 35 places, 16 transitions, 74 flow. Second operand 5 states and 478 transitions. [2021-06-11 16:00:25,584 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 26 transitions, 126 flow [2021-06-11 16:00:25,584 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 30 places, 26 transitions, 104 flow, removed 4 selfloop flow, removed 9 redundant places. [2021-06-11 16:00:25,585 INFO L241 Difference]: Finished difference. Result has 33 places, 19 transitions, 88 flow [2021-06-11 16:00:25,585 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=120, PETRI_DIFFERENCE_MINUEND_FLOW=52, PETRI_DIFFERENCE_MINUEND_PLACES=26, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=16, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=12, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=88, PETRI_PLACES=33, PETRI_TRANSITIONS=19} [2021-06-11 16:00:25,585 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 6 predicate places. [2021-06-11 16:00:25,585 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 16:00:25,585 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 33 places, 19 transitions, 88 flow [2021-06-11 16:00:25,585 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 33 places, 19 transitions, 88 flow [2021-06-11 16:00:25,585 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 31 places, 19 transitions, 88 flow [2021-06-11 16:00:25,589 INFO L129 PetriNetUnfolder]: 27/62 cut-off events. [2021-06-11 16:00:25,589 INFO L130 PetriNetUnfolder]: For 86/95 co-relation queries the response was YES. [2021-06-11 16:00:25,589 INFO L84 FinitePrefix]: Finished finitePrefix Result has 194 conditions, 62 events. 27/62 cut-off events. For 86/95 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 161 event pairs, 14 based on Foata normal form. 0/56 useless extension candidates. Maximal degree in co-relation 183. Up to 40 conditions per place. [2021-06-11 16:00:25,590 INFO L151 LiptonReduction]: Number of co-enabled transitions 36 [2021-06-11 16:00:25,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:00:25,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:00:25,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:00:25,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:00:25,640 INFO L163 LiptonReduction]: Checked pairs total: 8 [2021-06-11 16:00:25,640 INFO L165 LiptonReduction]: Total number of compositions: 2 [2021-06-11 16:00:25,640 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 55 [2021-06-11 16:00:25,641 INFO L480 AbstractCegarLoop]: Abstraction has has 30 places, 18 transitions, 88 flow [2021-06-11 16:00:25,641 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 92.75) internal successors, (371), 4 states have internal predecessors, (371), 0 states have call successors, (0), 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 16:00:25,641 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 16:00:25,641 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 16:00:25,641 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-06-11 16:00:25,641 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 16:00:25,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 16:00:25,641 INFO L82 PathProgramCache]: Analyzing trace with hash 620944389, now seen corresponding path program 1 times [2021-06-11 16:00:25,642 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 16:00:25,642 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [357654078] [2021-06-11 16:00:25,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 16:00:25,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 16:00:25,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:00:25,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 16:00:25,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:00:25,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 16:00:25,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:00:25,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 16:00:25,669 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 16:00:25,669 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [357654078] [2021-06-11 16:00:25,669 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 16:00:25,669 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-11 16:00:25,669 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425447672] [2021-06-11 16:00:25,670 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-11 16:00:25,670 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 16:00:25,670 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-11 16:00:25,670 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-06-11 16:00:25,670 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 93 out of 122 [2021-06-11 16:00:25,671 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 30 places, 18 transitions, 88 flow. Second operand has 5 states, 5 states have (on average 93.8) internal successors, (469), 5 states have internal predecessors, (469), 0 states have call successors, (0), 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 16:00:25,671 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 16:00:25,671 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 93 of 122 [2021-06-11 16:00:25,671 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 16:00:25,703 INFO L129 PetriNetUnfolder]: 17/53 cut-off events. [2021-06-11 16:00:25,703 INFO L130 PetriNetUnfolder]: For 149/190 co-relation queries the response was YES. [2021-06-11 16:00:25,703 INFO L84 FinitePrefix]: Finished finitePrefix Result has 201 conditions, 53 events. 17/53 cut-off events. For 149/190 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 138 event pairs, 3 based on Foata normal form. 19/70 useless extension candidates. Maximal degree in co-relation 188. Up to 35 conditions per place. [2021-06-11 16:00:25,704 INFO L132 encePairwiseOnDemand]: 115/122 looper letters, 5 selfloop transitions, 7 changer transitions 7/28 dead transitions. [2021-06-11 16:00:25,704 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 35 places, 28 transitions, 184 flow [2021-06-11 16:00:25,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-11 16:00:25,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-06-11 16:00:25,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 579 transitions. [2021-06-11 16:00:25,705 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7909836065573771 [2021-06-11 16:00:25,705 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 579 transitions. [2021-06-11 16:00:25,705 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 579 transitions. [2021-06-11 16:00:25,706 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 16:00:25,706 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 579 transitions. [2021-06-11 16:00:25,707 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 96.5) internal successors, (579), 6 states have internal predecessors, (579), 0 states have call successors, (0), 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 16:00:25,707 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 122.0) internal successors, (854), 7 states have internal predecessors, (854), 0 states have call successors, (0), 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 16:00:25,708 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 122.0) internal successors, (854), 7 states have internal predecessors, (854), 0 states have call successors, (0), 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 16:00:25,708 INFO L185 Difference]: Start difference. First operand has 30 places, 18 transitions, 88 flow. Second operand 6 states and 579 transitions. [2021-06-11 16:00:25,708 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 35 places, 28 transitions, 184 flow [2021-06-11 16:00:25,708 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 33 places, 28 transitions, 178 flow, removed 1 selfloop flow, removed 2 redundant places. [2021-06-11 16:00:25,709 INFO L241 Difference]: Finished difference. Result has 36 places, 21 transitions, 138 flow [2021-06-11 16:00:25,709 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=122, PETRI_DIFFERENCE_MINUEND_FLOW=82, PETRI_DIFFERENCE_MINUEND_PLACES=28, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=18, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=11, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=138, PETRI_PLACES=36, PETRI_TRANSITIONS=21} [2021-06-11 16:00:25,709 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 9 predicate places. [2021-06-11 16:00:25,709 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 16:00:25,709 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 36 places, 21 transitions, 138 flow [2021-06-11 16:00:25,709 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 36 places, 21 transitions, 138 flow [2021-06-11 16:00:25,710 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 34 places, 21 transitions, 138 flow [2021-06-11 16:00:25,712 INFO L129 PetriNetUnfolder]: 12/41 cut-off events. [2021-06-11 16:00:25,712 INFO L130 PetriNetUnfolder]: For 107/114 co-relation queries the response was YES. [2021-06-11 16:00:25,712 INFO L84 FinitePrefix]: Finished finitePrefix Result has 169 conditions, 41 events. 12/41 cut-off events. For 107/114 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 80 event pairs, 3 based on Foata normal form. 2/41 useless extension candidates. Maximal degree in co-relation 155. Up to 23 conditions per place. [2021-06-11 16:00:25,713 INFO L151 LiptonReduction]: Number of co-enabled transitions 24 [2021-06-11 16:00:25,713 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 16:00:25,714 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 16:00:25,714 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5 [2021-06-11 16:00:25,714 INFO L480 AbstractCegarLoop]: Abstraction has has 34 places, 21 transitions, 138 flow [2021-06-11 16:00:25,714 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 93.8) internal successors, (469), 5 states have internal predecessors, (469), 0 states have call successors, (0), 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 16:00:25,714 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 16:00:25,714 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 16:00:25,714 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-06-11 16:00:25,714 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 16:00:25,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 16:00:25,715 INFO L82 PathProgramCache]: Analyzing trace with hash -250871466, now seen corresponding path program 1 times [2021-06-11 16:00:25,715 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 16:00:25,715 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [48118392] [2021-06-11 16:00:25,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 16:00:25,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 16:00:25,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:00:25,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 16:00:25,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:00:25,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 16:00:25,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:00:25,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 16:00:25,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:00:25,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 16:00:25,750 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 16:00:25,751 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [48118392] [2021-06-11 16:00:25,751 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 16:00:25,751 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-11 16:00:25,751 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1206550389] [2021-06-11 16:00:25,751 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-11 16:00:25,751 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 16:00:25,751 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-11 16:00:25,751 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-06-11 16:00:25,752 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 93 out of 122 [2021-06-11 16:00:25,752 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 34 places, 21 transitions, 138 flow. Second operand has 6 states, 6 states have (on average 93.83333333333333) internal successors, (563), 6 states have internal predecessors, (563), 0 states have call successors, (0), 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 16:00:25,752 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 16:00:25,752 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 93 of 122 [2021-06-11 16:00:25,753 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 16:00:25,787 INFO L129 PetriNetUnfolder]: 7/33 cut-off events. [2021-06-11 16:00:25,788 INFO L130 PetriNetUnfolder]: For 125/138 co-relation queries the response was YES. [2021-06-11 16:00:25,788 INFO L84 FinitePrefix]: Finished finitePrefix Result has 150 conditions, 33 events. 7/33 cut-off events. For 125/138 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 50 event pairs, 0 based on Foata normal form. 12/44 useless extension candidates. Maximal degree in co-relation 134. Up to 20 conditions per place. [2021-06-11 16:00:25,788 INFO L132 encePairwiseOnDemand]: 115/122 looper letters, 2 selfloop transitions, 10 changer transitions 4/25 dead transitions. [2021-06-11 16:00:25,788 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 40 places, 25 transitions, 206 flow [2021-06-11 16:00:25,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-11 16:00:25,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-06-11 16:00:25,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 669 transitions. [2021-06-11 16:00:25,790 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7833723653395784 [2021-06-11 16:00:25,790 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 669 transitions. [2021-06-11 16:00:25,790 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 669 transitions. [2021-06-11 16:00:25,790 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 16:00:25,790 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 669 transitions. [2021-06-11 16:00:25,791 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 95.57142857142857) internal successors, (669), 7 states have internal predecessors, (669), 0 states have call successors, (0), 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 16:00:25,792 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 122.0) internal successors, (976), 8 states have internal predecessors, (976), 0 states have call successors, (0), 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 16:00:25,792 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 122.0) internal successors, (976), 8 states have internal predecessors, (976), 0 states have call successors, (0), 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 16:00:25,792 INFO L185 Difference]: Start difference. First operand has 34 places, 21 transitions, 138 flow. Second operand 7 states and 669 transitions. [2021-06-11 16:00:25,792 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 40 places, 25 transitions, 206 flow [2021-06-11 16:00:25,793 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 25 transitions, 168 flow, removed 15 selfloop flow, removed 4 redundant places. [2021-06-11 16:00:25,794 INFO L241 Difference]: Finished difference. Result has 39 places, 21 transitions, 138 flow [2021-06-11 16:00:25,794 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=122, PETRI_DIFFERENCE_MINUEND_FLOW=106, PETRI_DIFFERENCE_MINUEND_PLACES=30, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=21, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=11, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=138, PETRI_PLACES=39, PETRI_TRANSITIONS=21} [2021-06-11 16:00:25,794 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 12 predicate places. [2021-06-11 16:00:25,794 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 16:00:25,794 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 39 places, 21 transitions, 138 flow [2021-06-11 16:00:25,795 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 39 places, 21 transitions, 138 flow [2021-06-11 16:00:25,795 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 37 places, 21 transitions, 138 flow [2021-06-11 16:00:25,797 INFO L129 PetriNetUnfolder]: 5/27 cut-off events. [2021-06-11 16:00:25,797 INFO L130 PetriNetUnfolder]: For 44/45 co-relation queries the response was YES. [2021-06-11 16:00:25,797 INFO L84 FinitePrefix]: Finished finitePrefix Result has 98 conditions, 27 events. 5/27 cut-off events. For 44/45 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 30 event pairs, 0 based on Foata normal form. 1/27 useless extension candidates. Maximal degree in co-relation 83. Up to 11 conditions per place. [2021-06-11 16:00:25,797 INFO L151 LiptonReduction]: Number of co-enabled transitions 20 [2021-06-11 16:00:25,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:00:25,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:00:25,855 INFO L163 LiptonReduction]: Checked pairs total: 9 [2021-06-11 16:00:25,855 INFO L165 LiptonReduction]: Total number of compositions: 3 [2021-06-11 16:00:25,855 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 61 [2021-06-11 16:00:25,856 INFO L480 AbstractCegarLoop]: Abstraction has has 36 places, 20 transitions, 136 flow [2021-06-11 16:00:25,856 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 93.83333333333333) internal successors, (563), 6 states have internal predecessors, (563), 0 states have call successors, (0), 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 16:00:25,857 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 16:00:25,857 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 16:00:25,857 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-06-11 16:00:25,857 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 16:00:25,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 16:00:25,857 INFO L82 PathProgramCache]: Analyzing trace with hash -238667346, now seen corresponding path program 1 times [2021-06-11 16:00:25,857 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 16:00:25,857 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1423023170] [2021-06-11 16:00:25,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 16:00:25,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 16:00:25,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:00:25,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:00:25,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:00:25,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 16:00:25,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:00:25,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 16:00:25,900 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 16:00:25,900 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1423023170] [2021-06-11 16:00:25,900 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 16:00:25,900 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-11 16:00:25,900 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264727280] [2021-06-11 16:00:25,901 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-11 16:00:25,901 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 16:00:25,901 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-11 16:00:25,901 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-11 16:00:25,901 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 99 out of 125 [2021-06-11 16:00:25,902 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 20 transitions, 136 flow. Second operand has 4 states, 4 states have (on average 100.0) internal successors, (400), 4 states have internal predecessors, (400), 0 states have call successors, (0), 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 16:00:25,902 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 16:00:25,902 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 99 of 125 [2021-06-11 16:00:25,902 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 16:00:25,912 INFO L129 PetriNetUnfolder]: 5/24 cut-off events. [2021-06-11 16:00:25,912 INFO L130 PetriNetUnfolder]: For 58/59 co-relation queries the response was YES. [2021-06-11 16:00:25,913 INFO L84 FinitePrefix]: Finished finitePrefix Result has 98 conditions, 24 events. 5/24 cut-off events. For 58/59 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 31 event pairs, 0 based on Foata normal form. 2/25 useless extension candidates. Maximal degree in co-relation 87. Up to 11 conditions per place. [2021-06-11 16:00:25,913 INFO L132 encePairwiseOnDemand]: 119/125 looper letters, 0 selfloop transitions, 0 changer transitions 19/19 dead transitions. [2021-06-11 16:00:25,913 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 19 transitions, 136 flow [2021-06-11 16:00:25,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-11 16:00:25,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-06-11 16:00:25,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 403 transitions. [2021-06-11 16:00:25,914 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.806 [2021-06-11 16:00:25,914 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 403 transitions. [2021-06-11 16:00:25,914 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 403 transitions. [2021-06-11 16:00:25,914 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 16:00:25,914 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 403 transitions. [2021-06-11 16:00:25,915 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 100.75) internal successors, (403), 4 states have internal predecessors, (403), 0 states have call successors, (0), 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 16:00:25,916 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 125.0) internal successors, (625), 5 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 16:00:25,916 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 125.0) internal successors, (625), 5 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 16:00:25,916 INFO L185 Difference]: Start difference. First operand has 36 places, 20 transitions, 136 flow. Second operand 4 states and 403 transitions. [2021-06-11 16:00:25,916 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 19 transitions, 136 flow [2021-06-11 16:00:25,917 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 33 places, 19 transitions, 102 flow, removed 9 selfloop flow, removed 5 redundant places. [2021-06-11 16:00:25,917 INFO L241 Difference]: Finished difference. Result has 33 places, 0 transitions, 0 flow [2021-06-11 16:00:25,917 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=125, PETRI_DIFFERENCE_MINUEND_FLOW=90, PETRI_DIFFERENCE_MINUEND_PLACES=30, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=19, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=0, PETRI_PLACES=33, PETRI_TRANSITIONS=0} [2021-06-11 16:00:25,917 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 6 predicate places. [2021-06-11 16:00:25,917 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 16:00:25,917 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 33 places, 0 transitions, 0 flow [2021-06-11 16:00:25,917 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 33 places, 0 transitions, 0 flow [2021-06-11 16:00:25,917 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 0 places, 0 transitions, 0 flow [2021-06-11 16:00:25,918 INFO L129 PetriNetUnfolder]: 0/0 cut-off events. [2021-06-11 16:00:25,918 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 16:00:25,918 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 16:00:25,918 INFO L151 LiptonReduction]: Number of co-enabled transitions 0 [2021-06-11 16:00:25,918 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 16:00:25,918 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 16:00:25,918 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1 [2021-06-11 16:00:25,920 INFO L480 AbstractCegarLoop]: Abstraction has has 0 places, 0 transitions, 0 flow [2021-06-11 16:00:25,920 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 100.0) internal successors, (400), 4 states have internal predecessors, (400), 0 states have call successors, (0), 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 16:00:25,920 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-06-11 16:00:25,922 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.06 04:00:25 BasicIcfg [2021-06-11 16:00:25,922 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-11 16:00:25,923 INFO L168 Benchmark]: Toolchain (without parser) took 4230.28 ms. Allocated memory was 341.8 MB in the beginning and 411.0 MB in the end (delta: 69.2 MB). Free memory was 304.2 MB in the beginning and 179.0 MB in the end (delta: 125.3 MB). Peak memory consumption was 196.1 MB. Max. memory is 16.0 GB. [2021-06-11 16:00:25,923 INFO L168 Benchmark]: CDTParser took 0.58 ms. Allocated memory is still 341.8 MB. Free memory is still 322.3 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-06-11 16:00:25,924 INFO L168 Benchmark]: CACSL2BoogieTranslator took 317.24 ms. Allocated memory is still 341.8 MB. Free memory was 304.1 MB in the beginning and 303.6 MB in the end (delta: 431.5 kB). Peak memory consumption was 7.8 MB. Max. memory is 16.0 GB. [2021-06-11 16:00:25,924 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.76 ms. Allocated memory is still 341.8 MB. Free memory was 303.6 MB in the beginning and 301.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-11 16:00:25,924 INFO L168 Benchmark]: Boogie Preprocessor took 13.32 ms. Allocated memory is still 341.8 MB. Free memory was 301.5 MB in the beginning and 300.4 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-11 16:00:25,925 INFO L168 Benchmark]: RCFGBuilder took 342.40 ms. Allocated memory is still 341.8 MB. Free memory was 300.4 MB in the beginning and 277.4 MB in the end (delta: 23.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.0 GB. [2021-06-11 16:00:25,926 INFO L168 Benchmark]: TraceAbstraction took 3526.74 ms. Allocated memory was 341.8 MB in the beginning and 411.0 MB in the end (delta: 69.2 MB). Free memory was 276.4 MB in the beginning and 179.0 MB in the end (delta: 97.4 MB). Peak memory consumption was 167.5 MB. Max. memory is 16.0 GB. [2021-06-11 16:00:25,928 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.58 ms. Allocated memory is still 341.8 MB. Free memory is still 322.3 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 317.24 ms. Allocated memory is still 341.8 MB. Free memory was 304.1 MB in the beginning and 303.6 MB in the end (delta: 431.5 kB). Peak memory consumption was 7.8 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 24.76 ms. Allocated memory is still 341.8 MB. Free memory was 303.6 MB in the beginning and 301.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 13.32 ms. Allocated memory is still 341.8 MB. Free memory was 301.5 MB in the beginning and 300.4 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 342.40 ms. Allocated memory is still 341.8 MB. Free memory was 300.4 MB in the beginning and 277.4 MB in the end (delta: 23.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.0 GB. * TraceAbstraction took 3526.74 ms. Allocated memory was 341.8 MB in the beginning and 411.0 MB in the end (delta: 69.2 MB). Free memory was 276.4 MB in the beginning and 179.0 MB in the end (delta: 97.4 MB). Peak memory consumption was 167.5 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2119.8ms, 69 PlacesBefore, 27 PlacesAfterwards, 60 TransitionsBefore, 17 TransitionsAfterwards, 864 CoEnabledTransitionPairs, 6 FixpointIterations, 18 TrivialSequentialCompositions, 25 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 1 ChoiceCompositions, 44 TotalNumberOfCompositions, 1712 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 850, positive: 766, positive conditional: 766, positive unconditional: 0, negative: 84, negative conditional: 84, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 850, positive: 766, positive conditional: 0, positive unconditional: 766, negative: 84, negative conditional: 0, negative unconditional: 84, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 850, positive: 766, positive conditional: 0, positive unconditional: 766, negative: 84, negative conditional: 0, negative unconditional: 84, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 616, positive: 580, positive conditional: 0, positive unconditional: 580, negative: 36, negative conditional: 0, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 616, positive: 572, positive conditional: 0, positive unconditional: 572, negative: 44, negative conditional: 0, negative unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 44, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 36, negative conditional: 0, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 163, positive: 26, positive conditional: 0, positive unconditional: 26, negative: 138, negative conditional: 0, negative unconditional: 138, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 850, positive: 186, positive conditional: 0, positive unconditional: 186, negative: 48, negative conditional: 0, negative unconditional: 48, unknown: 616, unknown conditional: 0, unknown unconditional: 616] , Statistics on independence cache: Total cache size (in pairs): 616, Positive cache size: 580, Positive conditional cache size: 0, Positive unconditional cache size: 580, Negative cache size: 36, Negative conditional cache size: 0, Negative unconditional cache size: 36, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 11.8ms, 28 PlacesBefore, 28 PlacesAfterwards, 22 TransitionsBefore, 22 TransitionsAfterwards, 144 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 42 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 3, negative conditional: 3, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 7, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 7, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 3, negative conditional: 0, negative unconditional: 3, 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: 7, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 616, Positive cache size: 580, Positive conditional cache size: 0, Positive unconditional cache size: 580, Negative cache size: 36, Negative conditional cache size: 0, Negative unconditional cache size: 36, Eliminated conditions: 2 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 12.1ms, 32 PlacesBefore, 32 PlacesAfterwards, 28 TransitionsBefore, 28 TransitionsAfterwards, 168 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 62 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 16, positive: 12, positive conditional: 12, positive unconditional: 0, negative: 4, negative conditional: 4, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 16, positive: 12, positive conditional: 0, positive unconditional: 12, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 16, positive: 12, positive conditional: 0, positive unconditional: 12, negative: 4, negative conditional: 0, negative unconditional: 4, 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: 16, positive: 12, positive conditional: 0, positive unconditional: 12, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 616, Positive cache size: 580, Positive conditional cache size: 0, Positive unconditional cache size: 580, Negative cache size: 36, Negative conditional cache size: 0, Negative unconditional cache size: 36, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5.6ms, 36 PlacesBefore, 36 PlacesAfterwards, 23 TransitionsBefore, 23 TransitionsAfterwards, 126 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 27 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 13, positive: 10, positive conditional: 10, positive unconditional: 0, negative: 3, negative conditional: 3, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 13, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 13, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 3, negative conditional: 0, negative unconditional: 3, 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: 13, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 616, Positive cache size: 580, Positive conditional cache size: 0, Positive unconditional cache size: 580, Negative cache size: 36, Negative conditional cache size: 0, Negative unconditional cache size: 36, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5.3ms, 37 PlacesBefore, 37 PlacesAfterwards, 24 TransitionsBefore, 24 TransitionsAfterwards, 130 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 28 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 13, positive: 10, positive conditional: 10, positive unconditional: 0, negative: 3, negative conditional: 3, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 13, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 13, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 3, negative conditional: 0, negative unconditional: 3, 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: 13, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 616, Positive cache size: 580, Positive conditional cache size: 0, Positive unconditional cache size: 580, Negative cache size: 36, Negative conditional cache size: 0, Negative unconditional cache size: 36, Eliminated conditions: 2 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5.2ms, 40 PlacesBefore, 40 PlacesAfterwards, 24 TransitionsBefore, 24 TransitionsAfterwards, 130 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 28 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 13, positive: 10, positive conditional: 10, positive unconditional: 0, negative: 3, negative conditional: 3, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 13, positive: 10, positive conditional: 2, positive unconditional: 8, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 13, positive: 10, positive conditional: 2, positive unconditional: 8, negative: 3, negative conditional: 0, negative unconditional: 3, 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: 13, positive: 10, positive conditional: 2, positive unconditional: 8, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 616, Positive cache size: 580, Positive conditional cache size: 0, Positive unconditional cache size: 580, Negative cache size: 36, Negative conditional cache size: 0, Negative unconditional cache size: 36, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 29.5ms, 41 PlacesBefore, 40 PlacesAfterwards, 22 TransitionsBefore, 21 TransitionsAfterwards, 92 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 30 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5, positive: 3, positive conditional: 3, 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: 5, positive: 3, positive conditional: 0, positive unconditional: 3, 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: 5, positive: 3, positive conditional: 0, positive unconditional: 3, 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: 5, positive: 3, positive conditional: 0, positive unconditional: 3, 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): 616, Positive cache size: 580, Positive conditional cache size: 0, Positive unconditional cache size: 580, Negative cache size: 36, Negative conditional cache size: 0, Negative unconditional cache size: 36, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 9.5ms, 38 PlacesBefore, 35 PlacesAfterwards, 16 TransitionsBefore, 16 TransitionsAfterwards, 48 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 18 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6, positive: 4, positive conditional: 4, 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: 6, positive: 4, positive conditional: 0, 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: 6, positive: 4, positive conditional: 0, 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: 6, positive: 4, positive conditional: 0, 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): 616, Positive cache size: 580, Positive conditional cache size: 0, Positive unconditional cache size: 580, Negative cache size: 36, Negative conditional cache size: 0, Negative unconditional cache size: 36, Eliminated conditions: 1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 55.1ms, 33 PlacesBefore, 30 PlacesAfterwards, 19 TransitionsBefore, 18 TransitionsAfterwards, 36 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 8 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8, positive: 8, positive conditional: 8, 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: 8, positive: 8, positive conditional: 5, positive unconditional: 3, 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: 8, positive: 8, positive conditional: 5, positive unconditional: 3, 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: 2, positive: 2, positive conditional: 2, 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: 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: 8, positive: 6, positive conditional: 3, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 618, Positive cache size: 582, Positive conditional cache size: 2, Positive unconditional cache size: 580, Negative cache size: 36, Negative conditional cache size: 0, Negative unconditional cache size: 36, Eliminated conditions: 3 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4.2ms, 36 PlacesBefore, 34 PlacesAfterwards, 21 TransitionsBefore, 21 TransitionsAfterwards, 24 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): 618, Positive cache size: 582, Positive conditional cache size: 2, Positive unconditional cache size: 580, Negative cache size: 36, Negative conditional cache size: 0, Negative unconditional cache size: 36, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 60.4ms, 39 PlacesBefore, 36 PlacesAfterwards, 21 TransitionsBefore, 20 TransitionsAfterwards, 20 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 3 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 9 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9, positive: 9, positive conditional: 9, 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: 9, positive: 9, positive conditional: 9, 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: 9, positive: 9, positive conditional: 9, 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: 1, positive: 1, positive conditional: 1, 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: 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: 9, positive: 8, positive conditional: 8, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 619, Positive cache size: 583, Positive conditional cache size: 3, Positive unconditional cache size: 580, Negative cache size: 36, Negative conditional cache size: 0, Negative unconditional cache size: 36, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.4ms, 33 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): 619, Positive cache size: 583, Positive conditional cache size: 3, Positive unconditional cache size: 580, Negative cache size: 36, Negative conditional cache size: 0, Negative unconditional cache size: 36, Eliminated conditions: 0 - PositiveResult [Line: 18]: 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 4 procedures, 74 locations, 1 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 2.0ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: SAFE, OverallTime: 3430.9ms, OverallIterations: 11, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 362.2ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 2208.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 56 SDtfs, 35 SDslu, 24 SDs, 0 SdLazy, 163 SolverSat, 41 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 97.3ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 108.7ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=164occurred in iteration=5, InterpolantAutomatonStates: 51, 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: 19.1ms SsaConstructionTime, 149.1ms SatisfiabilityAnalysisTime, 342.6ms InterpolantComputationTime, 128 NumberOfCodeBlocks, 128 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 117 ConstructedInterpolants, 0 QuantifiedInterpolants, 545 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 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 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...