/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/mix047_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239 [2021-03-26 10:11:40,616 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-26 10:11:40,618 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-26 10:11:40,643 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-26 10:11:40,643 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-26 10:11:40,645 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-26 10:11:40,646 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-26 10:11:40,648 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-26 10:11:40,649 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-26 10:11:40,650 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-26 10:11:40,651 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-26 10:11:40,652 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-26 10:11:40,652 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-26 10:11:40,653 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-26 10:11:40,654 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-26 10:11:40,655 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-26 10:11:40,656 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-26 10:11:40,657 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-26 10:11:40,658 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-26 10:11:40,660 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-26 10:11:40,661 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-26 10:11:40,662 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-26 10:11:40,663 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-26 10:11:40,664 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-26 10:11:40,666 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-03-26 10:11:40,669 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-26 10:11:40,669 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-26 10:11:40,670 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-26 10:11:40,671 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-26 10:11:40,672 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-26 10:11:40,672 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-26 10:11:40,673 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-26 10:11:40,673 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-26 10:11:40,673 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-26 10:11:40,674 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-26 10:11:40,674 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-26 10:11:40,675 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 [2021-03-26 10:11:40,695 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-26 10:11:40,696 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-26 10:11:40,697 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-26 10:11:40,697 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-26 10:11:40,697 INFO L138 SettingsManager]: * Use SBE=true [2021-03-26 10:11:40,697 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-26 10:11:40,697 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-26 10:11:40,698 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-26 10:11:40,698 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-26 10:11:40,698 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-26 10:11:40,698 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-26 10:11:40,698 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-26 10:11:40,698 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-26 10:11:40,699 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-26 10:11:40,699 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-26 10:11:40,699 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-26 10:11:40,699 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-26 10:11:40,699 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-26 10:11:40,699 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-26 10:11:40,700 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-26 10:11:40,700 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-26 10:11:40,700 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-26 10:11:40,700 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-26 10:11:40,700 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-26 10:11:40,700 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-26 10:11:40,701 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-26 10:11:40,701 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-26 10:11:40,701 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES_DISJUNCTIVE [2021-03-26 10:11:40,701 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-26 10:11:40,701 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-03-26 10:11:40,701 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-26 10:11:41,027 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-26 10:11:41,055 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-26 10:11:41,057 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-26 10:11:41,058 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-26 10:11:41,059 INFO L275 PluginConnector]: CDTParser initialized [2021-03-26 10:11:41,060 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix047_tso.opt.i [2021-03-26 10:11:41,120 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c468cf4cd/476ef078fae642f79fb13618b86bb88c/FLAGce4ba5c73 [2021-03-26 10:11:41,705 INFO L306 CDTParser]: Found 1 translation units. [2021-03-26 10:11:41,716 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix047_tso.opt.i [2021-03-26 10:11:41,728 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c468cf4cd/476ef078fae642f79fb13618b86bb88c/FLAGce4ba5c73 [2021-03-26 10:11:41,974 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c468cf4cd/476ef078fae642f79fb13618b86bb88c [2021-03-26 10:11:41,976 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-26 10:11:41,978 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-26 10:11:41,979 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-26 10:11:41,979 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-26 10:11:41,983 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-26 10:11:41,984 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.03 10:11:41" (1/1) ... [2021-03-26 10:11:41,985 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@190cfb04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:11:41, skipping insertion in model container [2021-03-26 10:11:41,985 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.03 10:11:41" (1/1) ... [2021-03-26 10:11:41,994 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-26 10:11:42,050 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-26 10:11:42,164 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/mix047_tso.opt.i[948,961] [2021-03-26 10:11:42,366 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-26 10:11:42,378 INFO L203 MainTranslator]: Completed pre-run [2021-03-26 10:11:42,392 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/mix047_tso.opt.i[948,961] [2021-03-26 10:11:42,471 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-26 10:11:42,548 INFO L208 MainTranslator]: Completed translation [2021-03-26 10:11:42,549 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:11:42 WrapperNode [2021-03-26 10:11:42,552 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-26 10:11:42,553 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-26 10:11:42,554 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-26 10:11:42,554 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-26 10:11:42,560 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:11:42" (1/1) ... [2021-03-26 10:11:42,593 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:11:42" (1/1) ... [2021-03-26 10:11:42,634 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-26 10:11:42,635 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-26 10:11:42,635 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-26 10:11:42,635 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-26 10:11:42,642 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:11:42" (1/1) ... [2021-03-26 10:11:42,642 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:11:42" (1/1) ... [2021-03-26 10:11:42,658 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:11:42" (1/1) ... [2021-03-26 10:11:42,658 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:11:42" (1/1) ... [2021-03-26 10:11:42,665 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:11:42" (1/1) ... [2021-03-26 10:11:42,668 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:11:42" (1/1) ... [2021-03-26 10:11:42,671 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:11:42" (1/1) ... [2021-03-26 10:11:42,691 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-26 10:11:42,691 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-26 10:11:42,692 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-26 10:11:42,692 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-26 10:11:42,692 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:11:42" (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 [2021-03-26 10:11:42,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-26 10:11:42,775 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-03-26 10:11:42,775 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-26 10:11:42,776 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-26 10:11:42,776 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-03-26 10:11:42,776 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-03-26 10:11:42,777 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-03-26 10:11:42,777 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-03-26 10:11:42,777 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-03-26 10:11:42,777 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-03-26 10:11:42,777 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-03-26 10:11:42,777 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-03-26 10:11:42,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-26 10:11:42,778 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-03-26 10:11:42,778 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-26 10:11:42,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-26 10:11:42,780 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-26 10:11:44,406 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-26 10:11:44,407 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-03-26 10:11:44,409 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.03 10:11:44 BoogieIcfgContainer [2021-03-26 10:11:44,409 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-26 10:11:44,412 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-26 10:11:44,412 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-26 10:11:44,415 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-26 10:11:44,415 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.03 10:11:41" (1/3) ... [2021-03-26 10:11:44,416 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@350ee3eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.03 10:11:44, skipping insertion in model container [2021-03-26 10:11:44,416 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:11:42" (2/3) ... [2021-03-26 10:11:44,417 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@350ee3eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.03 10:11:44, skipping insertion in model container [2021-03-26 10:11:44,417 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.03 10:11:44" (3/3) ... [2021-03-26 10:11:44,418 INFO L111 eAbstractionObserver]: Analyzing ICFG mix047_tso.opt.i [2021-03-26 10:11:44,424 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-26 10:11:44,428 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-03-26 10:11:44,429 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-26 10:11:44,467 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:11:44,467 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:11:44,468 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:11:44,468 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:11:44,468 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:11:44,468 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:11:44,468 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:11:44,468 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:11:44,469 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:11:44,469 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:11:44,469 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:11:44,470 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:11:44,470 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:11:44,471 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:11:44,471 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:11:44,471 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:11:44,471 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:11:44,471 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:11:44,471 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:11:44,471 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:11:44,472 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:11:44,472 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:11:44,472 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:11:44,472 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:11:44,472 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:11:44,473 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:11:44,473 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:11:44,473 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:11:44,473 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:11:44,473 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:11:44,473 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:11:44,473 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:11:44,474 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:11:44,474 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:11:44,474 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:11:44,474 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:11:44,474 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:11:44,474 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:11:44,474 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:11:44,475 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:11:44,475 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:11:44,475 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:11:44,475 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:11:44,475 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:11:44,475 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:11:44,476 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:11:44,476 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:11:44,476 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:11:44,476 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:11:44,476 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:11:44,477 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:11:44,477 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:11:44,477 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:11:44,477 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:11:44,477 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:11:44,477 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:11:44,478 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:11:44,478 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:11:44,478 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:11:44,478 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:11:44,478 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:11:44,478 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:11:44,479 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:11:44,479 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:11:44,479 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:11:44,479 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:11:44,479 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:11:44,479 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:11:44,480 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:11:44,480 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:11:44,480 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:11:44,480 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:11:44,480 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:11:44,480 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:11:44,481 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:11:44,481 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:11:44,481 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:11:44,481 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:11:44,481 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:11:44,481 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:11:44,482 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:11:44,482 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:11:44,482 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:11:44,482 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:11:44,484 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:11:44,484 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:11:44,484 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:11:44,484 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:11:44,486 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:11:44,486 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:11:44,486 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:11:44,486 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:11:44,488 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:11:44,488 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:11:44,488 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:11:44,488 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:11:44,488 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:11:44,488 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:11:44,489 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:11:44,489 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:11:44,489 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:11:44,489 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:11:44,491 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:11:44,492 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:11:44,492 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:11:44,492 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:11:44,492 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:11:44,492 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:11:44,492 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:11:44,493 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:11:44,493 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:11:44,493 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:11:44,493 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:11:44,493 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:11:44,496 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-26 10:11:44,513 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-03-26 10:11:44,531 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-26 10:11:44,531 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-26 10:11:44,531 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-26 10:11:44,532 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-26 10:11:44,532 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-26 10:11:44,532 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-26 10:11:44,532 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-26 10:11:44,532 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-26 10:11:44,548 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 127 places, 116 transitions, 252 flow [2021-03-26 10:11:44,588 INFO L129 PetriNetUnfolder]: 2/112 cut-off events. [2021-03-26 10:11:44,588 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 10:11:44,592 INFO L84 FinitePrefix]: Finished finitePrefix Result has 125 conditions, 112 events. 2/112 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 85 event pairs, 0 based on Foata normal form. 0/108 useless extension candidates. Maximal degree in co-relation 76. Up to 2 conditions per place. [2021-03-26 10:11:44,593 INFO L82 GeneralOperation]: Start removeDead. Operand has 127 places, 116 transitions, 252 flow [2021-03-26 10:11:44,597 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 123 places, 112 transitions, 236 flow [2021-03-26 10:11:44,598 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:11:44,609 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 123 places, 112 transitions, 236 flow [2021-03-26 10:11:44,612 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 123 places, 112 transitions, 236 flow [2021-03-26 10:11:44,613 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 123 places, 112 transitions, 236 flow [2021-03-26 10:11:44,632 INFO L129 PetriNetUnfolder]: 2/112 cut-off events. [2021-03-26 10:11:44,632 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 10:11:44,633 INFO L84 FinitePrefix]: Finished finitePrefix Result has 125 conditions, 112 events. 2/112 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 92 event pairs, 0 based on Foata normal form. 0/108 useless extension candidates. Maximal degree in co-relation 76. Up to 2 conditions per place. [2021-03-26 10:11:44,636 INFO L142 LiptonReduction]: Number of co-enabled transitions 2598 [2021-03-26 10:11:46,454 WARN L205 SmtUtils]: Spent 676.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 190 [2021-03-26 10:11:46,836 WARN L205 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2021-03-26 10:11:48,302 WARN L205 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 314 DAG size of output: 270 [2021-03-26 10:11:48,897 WARN L205 SmtUtils]: Spent 592.00 ms on a formula simplification that was a NOOP. DAG size: 267 [2021-03-26 10:11:49,313 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2021-03-26 10:11:49,695 WARN L205 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 84 [2021-03-26 10:11:49,849 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-03-26 10:11:51,022 WARN L205 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2021-03-26 10:11:51,305 WARN L205 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2021-03-26 10:11:51,871 WARN L205 SmtUtils]: Spent 564.00 ms on a formula simplification that was a NOOP. DAG size: 269 [2021-03-26 10:11:52,445 WARN L205 SmtUtils]: Spent 572.00 ms on a formula simplification that was a NOOP. DAG size: 269 [2021-03-26 10:11:53,054 INFO L154 LiptonReduction]: Checked pairs total: 4306 [2021-03-26 10:11:53,055 INFO L156 LiptonReduction]: Total number of compositions: 75 [2021-03-26 10:11:53,057 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 8460 [2021-03-26 10:11:53,067 INFO L129 PetriNetUnfolder]: 0/27 cut-off events. [2021-03-26 10:11:53,067 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 10:11:53,067 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:11:53,068 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:11:53,068 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:11:53,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:11:53,073 INFO L82 PathProgramCache]: Analyzing trace with hash 316096465, now seen corresponding path program 1 times [2021-03-26 10:11:53,081 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:11:53,081 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753773218] [2021-03-26 10:11:53,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:11:53,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:11:53,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:11:53,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:11:53,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:11:53,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:11:53,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 10:11:53,342 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753773218] [2021-03-26 10:11:53,343 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:11:53,343 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-26 10:11:53,343 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922423691] [2021-03-26 10:11:53,351 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 10:11:53,352 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:11:53,362 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 10:11:53,363 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 10:11:53,367 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 169 out of 191 [2021-03-26 10:11:53,373 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 45 transitions, 102 flow. Second operand has 3 states, 3 states have (on average 169.66666666666666) internal successors, (509), 3 states have internal predecessors, (509), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:11:53,373 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:11:53,374 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 169 of 191 [2021-03-26 10:11:53,375 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:11:53,466 INFO L129 PetriNetUnfolder]: 23/109 cut-off events. [2021-03-26 10:11:53,467 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 10:11:53,468 INFO L84 FinitePrefix]: Finished finitePrefix Result has 170 conditions, 109 events. 23/109 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 410 event pairs, 3 based on Foata normal form. 6/108 useless extension candidates. Maximal degree in co-relation 150. Up to 37 conditions per place. [2021-03-26 10:11:53,470 INFO L132 encePairwiseOnDemand]: 187/191 looper letters, 7 selfloop transitions, 2 changer transitions 6/46 dead transitions. [2021-03-26 10:11:53,470 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 46 transitions, 126 flow [2021-03-26 10:11:53,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 10:11:53,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 10:11:53,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 521 transitions. [2021-03-26 10:11:53,491 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9092495636998255 [2021-03-26 10:11:53,491 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 521 transitions. [2021-03-26 10:11:53,492 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 521 transitions. [2021-03-26 10:11:53,496 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:11:53,498 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 521 transitions. [2021-03-26 10:11:53,503 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 173.66666666666666) internal successors, (521), 3 states have internal predecessors, (521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:11:53,520 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 191.0) internal successors, (764), 4 states have internal predecessors, (764), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:11:53,520 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 191.0) internal successors, (764), 4 states have internal predecessors, (764), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:11:53,521 INFO L185 Difference]: Start difference. First operand has 57 places, 45 transitions, 102 flow. Second operand 3 states and 521 transitions. [2021-03-26 10:11:53,522 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 46 transitions, 126 flow [2021-03-26 10:11:53,524 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 46 transitions, 122 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-03-26 10:11:53,525 INFO L241 Difference]: Finished difference. Result has 53 places, 37 transitions, 86 flow [2021-03-26 10:11:53,526 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=92, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=86, PETRI_PLACES=53, PETRI_TRANSITIONS=37} [2021-03-26 10:11:53,527 INFO L343 CegarLoopForPetriNet]: 57 programPoint places, -4 predicate places. [2021-03-26 10:11:53,527 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:11:53,527 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 53 places, 37 transitions, 86 flow [2021-03-26 10:11:53,528 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 53 places, 37 transitions, 86 flow [2021-03-26 10:11:53,529 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 48 places, 37 transitions, 86 flow [2021-03-26 10:11:53,536 INFO L129 PetriNetUnfolder]: 0/37 cut-off events. [2021-03-26 10:11:53,537 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 10:11:53,537 INFO L84 FinitePrefix]: Finished finitePrefix Result has 49 conditions, 37 events. 0/37 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 41 event pairs, 0 based on Foata normal form. 0/36 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-03-26 10:11:53,537 INFO L142 LiptonReduction]: Number of co-enabled transitions 392 [2021-03-26 10:11:54,006 WARN L205 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2021-03-26 10:11:54,337 WARN L205 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2021-03-26 10:11:55,510 WARN L205 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 270 DAG size of output: 269 [2021-03-26 10:11:56,131 WARN L205 SmtUtils]: Spent 611.00 ms on a formula simplification that was a NOOP. DAG size: 269 [2021-03-26 10:11:57,645 WARN L205 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 122 [2021-03-26 10:11:57,813 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2021-03-26 10:11:58,161 WARN L205 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 122 [2021-03-26 10:11:58,311 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2021-03-26 10:11:58,315 INFO L154 LiptonReduction]: Checked pairs total: 1982 [2021-03-26 10:11:58,315 INFO L156 LiptonReduction]: Total number of compositions: 11 [2021-03-26 10:11:58,315 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4788 [2021-03-26 10:11:58,316 INFO L480 AbstractCegarLoop]: Abstraction has has 37 places, 26 transitions, 64 flow [2021-03-26 10:11:58,317 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 169.66666666666666) internal successors, (509), 3 states have internal predecessors, (509), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:11:58,317 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:11:58,317 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:11:58,317 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-26 10:11:58,318 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:11:58,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:11:58,318 INFO L82 PathProgramCache]: Analyzing trace with hash -2031321782, now seen corresponding path program 1 times [2021-03-26 10:11:58,318 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:11:58,318 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456600996] [2021-03-26 10:11:58,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:11:58,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:11:58,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:11:58,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:11:58,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:11:58,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:11:58,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 10:11:58,458 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [456600996] [2021-03-26 10:11:58,458 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:11:58,458 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-26 10:11:58,459 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930690763] [2021-03-26 10:11:58,459 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 10:11:58,460 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:11:58,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 10:11:58,460 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-26 10:11:58,464 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 175 out of 202 [2021-03-26 10:11:58,465 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 26 transitions, 64 flow. Second operand has 4 states, 4 states have (on average 175.75) internal successors, (703), 4 states have internal predecessors, (703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:11:58,465 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:11:58,465 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 175 of 202 [2021-03-26 10:11:58,465 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:11:58,489 INFO L129 PetriNetUnfolder]: 3/38 cut-off events. [2021-03-26 10:11:58,489 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 10:11:58,490 INFO L84 FinitePrefix]: Finished finitePrefix Result has 61 conditions, 38 events. 3/38 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 79 event pairs, 1 based on Foata normal form. 1/36 useless extension candidates. Maximal degree in co-relation 52. Up to 10 conditions per place. [2021-03-26 10:11:58,490 INFO L132 encePairwiseOnDemand]: 198/202 looper letters, 3 selfloop transitions, 3 changer transitions 0/28 dead transitions. [2021-03-26 10:11:58,490 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 28 transitions, 80 flow [2021-03-26 10:11:58,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 10:11:58,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 10:11:58,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 532 transitions. [2021-03-26 10:11:58,492 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8778877887788779 [2021-03-26 10:11:58,492 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 532 transitions. [2021-03-26 10:11:58,492 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 532 transitions. [2021-03-26 10:11:58,493 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:11:58,493 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 532 transitions. [2021-03-26 10:11:58,494 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 177.33333333333334) internal successors, (532), 3 states have internal predecessors, (532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:11:58,496 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 202.0) internal successors, (808), 4 states have internal predecessors, (808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:11:58,496 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 202.0) internal successors, (808), 4 states have internal predecessors, (808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:11:58,496 INFO L185 Difference]: Start difference. First operand has 37 places, 26 transitions, 64 flow. Second operand 3 states and 532 transitions. [2021-03-26 10:11:58,496 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 28 transitions, 80 flow [2021-03-26 10:11:58,497 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 28 transitions, 76 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-26 10:11:58,498 INFO L241 Difference]: Finished difference. Result has 38 places, 28 transitions, 79 flow [2021-03-26 10:11:58,498 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=202, PETRI_DIFFERENCE_MINUEND_FLOW=60, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=26, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=79, PETRI_PLACES=38, PETRI_TRANSITIONS=28} [2021-03-26 10:11:58,498 INFO L343 CegarLoopForPetriNet]: 57 programPoint places, -19 predicate places. [2021-03-26 10:11:58,498 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:11:58,499 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 38 places, 28 transitions, 79 flow [2021-03-26 10:11:58,499 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 38 places, 28 transitions, 79 flow [2021-03-26 10:11:58,499 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 38 places, 28 transitions, 79 flow [2021-03-26 10:11:58,503 INFO L129 PetriNetUnfolder]: 3/34 cut-off events. [2021-03-26 10:11:58,504 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 10:11:58,504 INFO L84 FinitePrefix]: Finished finitePrefix Result has 57 conditions, 34 events. 3/34 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 71 event pairs, 1 based on Foata normal form. 0/31 useless extension candidates. Maximal degree in co-relation 49. Up to 10 conditions per place. [2021-03-26 10:11:58,504 INFO L142 LiptonReduction]: Number of co-enabled transitions 376 [2021-03-26 10:11:58,544 INFO L154 LiptonReduction]: Checked pairs total: 351 [2021-03-26 10:11:58,544 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 10:11:58,544 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 46 [2021-03-26 10:11:58,550 INFO L480 AbstractCegarLoop]: Abstraction has has 38 places, 28 transitions, 79 flow [2021-03-26 10:11:58,551 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 175.75) internal successors, (703), 4 states have internal predecessors, (703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:11:58,551 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:11:58,551 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:11:58,551 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-26 10:11:58,551 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:11:58,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:11:58,552 INFO L82 PathProgramCache]: Analyzing trace with hash 1761518447, now seen corresponding path program 1 times [2021-03-26 10:11:58,552 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:11:58,552 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68921498] [2021-03-26 10:11:58,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:11:58,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:11:58,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:11:58,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:11:58,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 10:11:58,675 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [68921498] [2021-03-26 10:11:58,675 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:11:58,675 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-03-26 10:11:58,675 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613116086] [2021-03-26 10:11:58,675 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 10:11:58,675 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:11:58,676 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 10:11:58,676 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 10:11:58,677 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 179 out of 202 [2021-03-26 10:11:58,677 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 28 transitions, 79 flow. Second operand has 3 states, 3 states have (on average 179.66666666666666) internal successors, (539), 3 states have internal predecessors, (539), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:11:58,678 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:11:58,678 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 179 of 202 [2021-03-26 10:11:58,678 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:11:58,694 INFO L129 PetriNetUnfolder]: 10/59 cut-off events. [2021-03-26 10:11:58,695 INFO L130 PetriNetUnfolder]: For 8/17 co-relation queries the response was YES. [2021-03-26 10:11:58,696 INFO L84 FinitePrefix]: Finished finitePrefix Result has 108 conditions, 59 events. 10/59 cut-off events. For 8/17 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 176 event pairs, 3 based on Foata normal form. 1/53 useless extension candidates. Maximal degree in co-relation 98. Up to 19 conditions per place. [2021-03-26 10:11:58,697 INFO L132 encePairwiseOnDemand]: 198/202 looper letters, 3 selfloop transitions, 3 changer transitions 0/30 dead transitions. [2021-03-26 10:11:58,697 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 40 places, 30 transitions, 95 flow [2021-03-26 10:11:58,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 10:11:58,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 10:11:58,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 544 transitions. [2021-03-26 10:11:58,700 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8976897689768977 [2021-03-26 10:11:58,703 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 544 transitions. [2021-03-26 10:11:58,703 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 544 transitions. [2021-03-26 10:11:58,703 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:11:58,703 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 544 transitions. [2021-03-26 10:11:58,705 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 181.33333333333334) internal successors, (544), 3 states have internal predecessors, (544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:11:58,706 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 202.0) internal successors, (808), 4 states have internal predecessors, (808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:11:58,706 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 202.0) internal successors, (808), 4 states have internal predecessors, (808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:11:58,707 INFO L185 Difference]: Start difference. First operand has 38 places, 28 transitions, 79 flow. Second operand 3 states and 544 transitions. [2021-03-26 10:11:58,707 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 40 places, 30 transitions, 95 flow [2021-03-26 10:11:58,708 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 30 transitions, 92 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-26 10:11:58,708 INFO L241 Difference]: Finished difference. Result has 40 places, 30 transitions, 95 flow [2021-03-26 10:11:58,709 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=202, PETRI_DIFFERENCE_MINUEND_FLOW=76, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=95, PETRI_PLACES=40, PETRI_TRANSITIONS=30} [2021-03-26 10:11:58,709 INFO L343 CegarLoopForPetriNet]: 57 programPoint places, -17 predicate places. [2021-03-26 10:11:58,709 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:11:58,709 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 40 places, 30 transitions, 95 flow [2021-03-26 10:11:58,710 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 40 places, 30 transitions, 95 flow [2021-03-26 10:11:58,710 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 40 places, 30 transitions, 95 flow [2021-03-26 10:11:58,717 INFO L129 PetriNetUnfolder]: 7/46 cut-off events. [2021-03-26 10:11:58,717 INFO L130 PetriNetUnfolder]: For 7/9 co-relation queries the response was YES. [2021-03-26 10:11:58,717 INFO L84 FinitePrefix]: Finished finitePrefix Result has 89 conditions, 46 events. 7/46 cut-off events. For 7/9 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 136 event pairs, 3 based on Foata normal form. 0/39 useless extension candidates. Maximal degree in co-relation 79. Up to 15 conditions per place. [2021-03-26 10:11:58,719 INFO L142 LiptonReduction]: Number of co-enabled transitions 430 [2021-03-26 10:11:58,743 INFO L154 LiptonReduction]: Checked pairs total: 275 [2021-03-26 10:11:58,743 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 10:11:58,744 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 35 [2021-03-26 10:11:58,744 INFO L480 AbstractCegarLoop]: Abstraction has has 40 places, 30 transitions, 95 flow [2021-03-26 10:11:58,745 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 179.66666666666666) internal successors, (539), 3 states have internal predecessors, (539), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:11:58,745 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:11:58,745 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:11:58,745 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-26 10:11:58,745 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:11:58,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:11:58,746 INFO L82 PathProgramCache]: Analyzing trace with hash -655623626, now seen corresponding path program 1 times [2021-03-26 10:11:58,746 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:11:58,746 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232452588] [2021-03-26 10:11:58,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:11:58,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:11:58,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:11:58,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:11:58,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:11:58,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:11:58,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 10:11:58,831 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [232452588] [2021-03-26 10:11:58,831 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:11:58,831 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-26 10:11:58,832 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960718749] [2021-03-26 10:11:58,833 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 10:11:58,833 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:11:58,835 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 10:11:58,836 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 10:11:58,836 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 179 out of 202 [2021-03-26 10:11:58,837 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 30 transitions, 95 flow. Second operand has 3 states, 3 states have (on average 180.0) internal successors, (540), 3 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:11:58,837 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:11:58,837 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 179 of 202 [2021-03-26 10:11:58,837 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:11:58,857 INFO L129 PetriNetUnfolder]: 4/53 cut-off events. [2021-03-26 10:11:58,857 INFO L130 PetriNetUnfolder]: For 26/61 co-relation queries the response was YES. [2021-03-26 10:11:58,857 INFO L84 FinitePrefix]: Finished finitePrefix Result has 111 conditions, 53 events. 4/53 cut-off events. For 26/61 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 177 event pairs, 1 based on Foata normal form. 4/52 useless extension candidates. Maximal degree in co-relation 99. Up to 15 conditions per place. [2021-03-26 10:11:58,858 INFO L132 encePairwiseOnDemand]: 199/202 looper letters, 3 selfloop transitions, 3 changer transitions 0/30 dead transitions. [2021-03-26 10:11:58,858 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 30 transitions, 107 flow [2021-03-26 10:11:58,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 10:11:58,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 10:11:58,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 543 transitions. [2021-03-26 10:11:58,860 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8960396039603961 [2021-03-26 10:11:58,860 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 543 transitions. [2021-03-26 10:11:58,860 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 543 transitions. [2021-03-26 10:11:58,861 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:11:58,861 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 543 transitions. [2021-03-26 10:11:58,862 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 181.0) internal successors, (543), 3 states have internal predecessors, (543), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:11:58,864 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 202.0) internal successors, (808), 4 states have internal predecessors, (808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:11:58,864 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 202.0) internal successors, (808), 4 states have internal predecessors, (808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:11:58,864 INFO L185 Difference]: Start difference. First operand has 40 places, 30 transitions, 95 flow. Second operand 3 states and 543 transitions. [2021-03-26 10:11:58,864 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 30 transitions, 107 flow [2021-03-26 10:11:58,866 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 41 places, 30 transitions, 104 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-26 10:11:58,866 INFO L241 Difference]: Finished difference. Result has 42 places, 30 transitions, 103 flow [2021-03-26 10:11:58,867 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=202, PETRI_DIFFERENCE_MINUEND_FLOW=92, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=103, PETRI_PLACES=42, PETRI_TRANSITIONS=30} [2021-03-26 10:11:58,867 INFO L343 CegarLoopForPetriNet]: 57 programPoint places, -15 predicate places. [2021-03-26 10:11:58,867 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:11:58,867 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 42 places, 30 transitions, 103 flow [2021-03-26 10:11:58,867 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 42 places, 30 transitions, 103 flow [2021-03-26 10:11:58,868 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 42 places, 30 transitions, 103 flow [2021-03-26 10:11:58,875 INFO L129 PetriNetUnfolder]: 4/53 cut-off events. [2021-03-26 10:11:58,875 INFO L130 PetriNetUnfolder]: For 27/37 co-relation queries the response was YES. [2021-03-26 10:11:58,875 INFO L84 FinitePrefix]: Finished finitePrefix Result has 109 conditions, 53 events. 4/53 cut-off events. For 27/37 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 189 event pairs, 1 based on Foata normal form. 0/49 useless extension candidates. Maximal degree in co-relation 98. Up to 15 conditions per place. [2021-03-26 10:11:58,876 INFO L142 LiptonReduction]: Number of co-enabled transitions 430 [2021-03-26 10:11:59,132 INFO L154 LiptonReduction]: Checked pairs total: 382 [2021-03-26 10:11:59,132 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 10:11:59,132 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 265 [2021-03-26 10:11:59,133 INFO L480 AbstractCegarLoop]: Abstraction has has 42 places, 30 transitions, 103 flow [2021-03-26 10:11:59,133 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 180.0) internal successors, (540), 3 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:11:59,134 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:11:59,134 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:11:59,134 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-26 10:11:59,134 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:11:59,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:11:59,135 INFO L82 PathProgramCache]: Analyzing trace with hash -1227503117, now seen corresponding path program 1 times [2021-03-26 10:11:59,135 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:11:59,135 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [576065437] [2021-03-26 10:11:59,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:11:59,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:11:59,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:11:59,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:11:59,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 10:11:59,175 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [576065437] [2021-03-26 10:11:59,176 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:11:59,176 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-03-26 10:11:59,176 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762399588] [2021-03-26 10:11:59,176 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 10:11:59,176 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:11:59,176 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 10:11:59,177 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 10:11:59,177 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 179 out of 202 [2021-03-26 10:11:59,178 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 42 places, 30 transitions, 103 flow. Second operand has 3 states, 3 states have (on average 179.66666666666666) internal successors, (539), 3 states have internal predecessors, (539), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:11:59,178 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:11:59,178 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 179 of 202 [2021-03-26 10:11:59,178 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:11:59,193 INFO L129 PetriNetUnfolder]: 4/53 cut-off events. [2021-03-26 10:11:59,193 INFO L130 PetriNetUnfolder]: For 85/105 co-relation queries the response was YES. [2021-03-26 10:11:59,193 INFO L84 FinitePrefix]: Finished finitePrefix Result has 117 conditions, 53 events. 4/53 cut-off events. For 85/105 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 177 event pairs, 1 based on Foata normal form. 2/50 useless extension candidates. Maximal degree in co-relation 104. Up to 15 conditions per place. [2021-03-26 10:11:59,194 INFO L132 encePairwiseOnDemand]: 199/202 looper letters, 1 selfloop transitions, 2 changer transitions 0/30 dead transitions. [2021-03-26 10:11:59,194 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 30 transitions, 109 flow [2021-03-26 10:11:59,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 10:11:59,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 10:11:59,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 541 transitions. [2021-03-26 10:11:59,196 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8927392739273927 [2021-03-26 10:11:59,196 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 541 transitions. [2021-03-26 10:11:59,196 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 541 transitions. [2021-03-26 10:11:59,197 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:11:59,197 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 541 transitions. [2021-03-26 10:11:59,198 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 180.33333333333334) internal successors, (541), 3 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:11:59,199 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 202.0) internal successors, (808), 4 states have internal predecessors, (808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:11:59,200 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 202.0) internal successors, (808), 4 states have internal predecessors, (808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:11:59,200 INFO L185 Difference]: Start difference. First operand has 42 places, 30 transitions, 103 flow. Second operand 3 states and 541 transitions. [2021-03-26 10:11:59,200 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 30 transitions, 109 flow [2021-03-26 10:11:59,201 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 30 transitions, 104 flow, removed 1 selfloop flow, removed 1 redundant places. [2021-03-26 10:11:59,201 INFO L241 Difference]: Finished difference. Result has 44 places, 30 transitions, 106 flow [2021-03-26 10:11:59,202 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=202, PETRI_DIFFERENCE_MINUEND_FLOW=98, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=106, PETRI_PLACES=44, PETRI_TRANSITIONS=30} [2021-03-26 10:11:59,202 INFO L343 CegarLoopForPetriNet]: 57 programPoint places, -13 predicate places. [2021-03-26 10:11:59,202 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:11:59,202 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 44 places, 30 transitions, 106 flow [2021-03-26 10:11:59,202 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 44 places, 30 transitions, 106 flow [2021-03-26 10:11:59,203 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 44 places, 30 transitions, 106 flow [2021-03-26 10:11:59,209 INFO L129 PetriNetUnfolder]: 4/53 cut-off events. [2021-03-26 10:11:59,209 INFO L130 PetriNetUnfolder]: For 31/39 co-relation queries the response was YES. [2021-03-26 10:11:59,209 INFO L84 FinitePrefix]: Finished finitePrefix Result has 114 conditions, 53 events. 4/53 cut-off events. For 31/39 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 189 event pairs, 1 based on Foata normal form. 0/49 useless extension candidates. Maximal degree in co-relation 101. Up to 13 conditions per place. [2021-03-26 10:11:59,210 INFO L142 LiptonReduction]: Number of co-enabled transitions 428 [2021-03-26 10:11:59,212 INFO L154 LiptonReduction]: Checked pairs total: 364 [2021-03-26 10:11:59,213 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 10:11:59,213 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 11 [2021-03-26 10:11:59,213 INFO L480 AbstractCegarLoop]: Abstraction has has 44 places, 30 transitions, 106 flow [2021-03-26 10:11:59,214 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 179.66666666666666) internal successors, (539), 3 states have internal predecessors, (539), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:11:59,214 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:11:59,214 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:11:59,214 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-26 10:11:59,214 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:11:59,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:11:59,215 INFO L82 PathProgramCache]: Analyzing trace with hash 1856576003, now seen corresponding path program 1 times [2021-03-26 10:11:59,215 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:11:59,215 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104697276] [2021-03-26 10:11:59,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:11:59,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:11:59,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:11:59,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 10:11:59,312 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.3 percent of original size [2021-03-26 10:11:59,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 10:11:59,345 INFO L142 QuantifierPusher]: treesize reduction 11, result has 86.4 percent of original size [2021-03-26 10:11:59,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-03-26 10:11:59,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 10:11:59,379 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [104697276] [2021-03-26 10:11:59,379 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:11:59,379 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 10:11:59,379 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1684465494] [2021-03-26 10:11:59,380 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 10:11:59,380 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:11:59,380 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 10:11:59,380 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-26 10:11:59,381 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 161 out of 202 [2021-03-26 10:11:59,382 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 30 transitions, 106 flow. Second operand has 5 states, 5 states have (on average 161.8) internal successors, (809), 5 states have internal predecessors, (809), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:11:59,382 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:11:59,382 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 161 of 202 [2021-03-26 10:11:59,382 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:11:59,503 INFO L129 PetriNetUnfolder]: 80/226 cut-off events. [2021-03-26 10:11:59,503 INFO L130 PetriNetUnfolder]: For 253/296 co-relation queries the response was YES. [2021-03-26 10:11:59,504 INFO L84 FinitePrefix]: Finished finitePrefix Result has 553 conditions, 226 events. 80/226 cut-off events. For 253/296 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 1185 event pairs, 33 based on Foata normal form. 3/205 useless extension candidates. Maximal degree in co-relation 538. Up to 127 conditions per place. [2021-03-26 10:11:59,505 INFO L132 encePairwiseOnDemand]: 197/202 looper letters, 8 selfloop transitions, 5 changer transitions 0/36 dead transitions. [2021-03-26 10:11:59,505 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 36 transitions, 147 flow [2021-03-26 10:11:59,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-26 10:11:59,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-26 10:11:59,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 658 transitions. [2021-03-26 10:11:59,508 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8143564356435643 [2021-03-26 10:11:59,508 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 658 transitions. [2021-03-26 10:11:59,508 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 658 transitions. [2021-03-26 10:11:59,508 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:11:59,508 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 658 transitions. [2021-03-26 10:11:59,510 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 164.5) internal successors, (658), 4 states have internal predecessors, (658), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:11:59,512 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 202.0) internal successors, (1010), 5 states have internal predecessors, (1010), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:11:59,513 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 202.0) internal successors, (1010), 5 states have internal predecessors, (1010), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:11:59,513 INFO L185 Difference]: Start difference. First operand has 44 places, 30 transitions, 106 flow. Second operand 4 states and 658 transitions. [2021-03-26 10:11:59,513 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 36 transitions, 147 flow [2021-03-26 10:11:59,515 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 36 transitions, 141 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-26 10:11:59,516 INFO L241 Difference]: Finished difference. Result has 47 places, 34 transitions, 135 flow [2021-03-26 10:11:59,516 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=202, PETRI_DIFFERENCE_MINUEND_FLOW=102, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=135, PETRI_PLACES=47, PETRI_TRANSITIONS=34} [2021-03-26 10:11:59,516 INFO L343 CegarLoopForPetriNet]: 57 programPoint places, -10 predicate places. [2021-03-26 10:11:59,516 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:11:59,517 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 47 places, 34 transitions, 135 flow [2021-03-26 10:11:59,517 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 47 places, 34 transitions, 135 flow [2021-03-26 10:11:59,517 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 47 places, 34 transitions, 135 flow [2021-03-26 10:11:59,531 INFO L129 PetriNetUnfolder]: 13/94 cut-off events. [2021-03-26 10:11:59,531 INFO L130 PetriNetUnfolder]: For 108/132 co-relation queries the response was YES. [2021-03-26 10:11:59,531 INFO L84 FinitePrefix]: Finished finitePrefix Result has 225 conditions, 94 events. 13/94 cut-off events. For 108/132 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 431 event pairs, 2 based on Foata normal form. 2/86 useless extension candidates. Maximal degree in co-relation 210. Up to 22 conditions per place. [2021-03-26 10:11:59,533 INFO L142 LiptonReduction]: Number of co-enabled transitions 510 [2021-03-26 10:11:59,537 INFO L154 LiptonReduction]: Checked pairs total: 360 [2021-03-26 10:11:59,537 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 10:11:59,537 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 21 [2021-03-26 10:11:59,542 INFO L480 AbstractCegarLoop]: Abstraction has has 47 places, 34 transitions, 135 flow [2021-03-26 10:11:59,543 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 161.8) internal successors, (809), 5 states have internal predecessors, (809), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:11:59,543 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:11:59,543 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:11:59,543 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-26 10:11:59,543 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:11:59,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:11:59,543 INFO L82 PathProgramCache]: Analyzing trace with hash -1751973503, now seen corresponding path program 1 times [2021-03-26 10:11:59,544 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:11:59,544 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943550071] [2021-03-26 10:11:59,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:11:59,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:11:59,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:11:59,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 10:11:59,660 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.1 percent of original size [2021-03-26 10:11:59,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 10:11:59,684 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.3 percent of original size [2021-03-26 10:11:59,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 10:11:59,710 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.3 percent of original size [2021-03-26 10:11:59,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 10:11:59,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 10:11:59,737 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [943550071] [2021-03-26 10:11:59,737 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:11:59,737 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-26 10:11:59,738 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263334850] [2021-03-26 10:11:59,738 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-26 10:11:59,738 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:11:59,738 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-26 10:11:59,738 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-03-26 10:11:59,739 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 164 out of 202 [2021-03-26 10:11:59,740 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 34 transitions, 135 flow. Second operand has 6 states, 6 states have (on average 164.83333333333334) internal successors, (989), 6 states have internal predecessors, (989), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:11:59,740 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:11:59,741 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 164 of 202 [2021-03-26 10:11:59,741 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:11:59,907 INFO L129 PetriNetUnfolder]: 92/247 cut-off events. [2021-03-26 10:11:59,907 INFO L130 PetriNetUnfolder]: For 325/359 co-relation queries the response was YES. [2021-03-26 10:11:59,909 INFO L84 FinitePrefix]: Finished finitePrefix Result has 694 conditions, 247 events. 92/247 cut-off events. For 325/359 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 1292 event pairs, 12 based on Foata normal form. 9/232 useless extension candidates. Maximal degree in co-relation 677. Up to 124 conditions per place. [2021-03-26 10:11:59,910 INFO L132 encePairwiseOnDemand]: 195/202 looper letters, 9 selfloop transitions, 10 changer transitions 0/42 dead transitions. [2021-03-26 10:11:59,911 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 42 transitions, 194 flow [2021-03-26 10:11:59,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 10:11:59,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 10:11:59,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 837 transitions. [2021-03-26 10:11:59,914 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8287128712871287 [2021-03-26 10:11:59,914 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 837 transitions. [2021-03-26 10:11:59,914 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 837 transitions. [2021-03-26 10:11:59,915 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:11:59,915 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 837 transitions. [2021-03-26 10:11:59,916 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 167.4) internal successors, (837), 5 states have internal predecessors, (837), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:11:59,918 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 202.0) internal successors, (1212), 6 states have internal predecessors, (1212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:11:59,918 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 202.0) internal successors, (1212), 6 states have internal predecessors, (1212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:11:59,918 INFO L185 Difference]: Start difference. First operand has 47 places, 34 transitions, 135 flow. Second operand 5 states and 837 transitions. [2021-03-26 10:11:59,919 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 42 transitions, 194 flow [2021-03-26 10:11:59,922 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 42 transitions, 194 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-03-26 10:11:59,922 INFO L241 Difference]: Finished difference. Result has 53 places, 40 transitions, 192 flow [2021-03-26 10:11:59,923 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=202, PETRI_DIFFERENCE_MINUEND_FLOW=135, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=192, PETRI_PLACES=53, PETRI_TRANSITIONS=40} [2021-03-26 10:11:59,923 INFO L343 CegarLoopForPetriNet]: 57 programPoint places, -4 predicate places. [2021-03-26 10:11:59,923 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:11:59,923 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 53 places, 40 transitions, 192 flow [2021-03-26 10:11:59,923 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 53 places, 40 transitions, 192 flow [2021-03-26 10:11:59,924 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 53 places, 40 transitions, 192 flow [2021-03-26 10:11:59,962 INFO L129 PetriNetUnfolder]: 92/234 cut-off events. [2021-03-26 10:11:59,963 INFO L130 PetriNetUnfolder]: For 522/582 co-relation queries the response was YES. [2021-03-26 10:11:59,964 INFO L84 FinitePrefix]: Finished finitePrefix Result has 757 conditions, 234 events. 92/234 cut-off events. For 522/582 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 1215 event pairs, 26 based on Foata normal form. 3/210 useless extension candidates. Maximal degree in co-relation 738. Up to 112 conditions per place. [2021-03-26 10:11:59,967 INFO L142 LiptonReduction]: Number of co-enabled transitions 616 [2021-03-26 10:11:59,985 INFO L154 LiptonReduction]: Checked pairs total: 388 [2021-03-26 10:11:59,985 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 10:11:59,986 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 63 [2021-03-26 10:11:59,986 INFO L480 AbstractCegarLoop]: Abstraction has has 53 places, 40 transitions, 192 flow [2021-03-26 10:11:59,987 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 164.83333333333334) internal successors, (989), 6 states have internal predecessors, (989), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:11:59,987 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:11:59,987 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:11:59,987 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-26 10:11:59,987 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:11:59,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:11:59,988 INFO L82 PathProgramCache]: Analyzing trace with hash 247376449, now seen corresponding path program 2 times [2021-03-26 10:11:59,988 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:11:59,988 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1126247339] [2021-03-26 10:11:59,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:12:00,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:12:00,096 INFO L142 QuantifierPusher]: treesize reduction 12, result has 71.4 percent of original size [2021-03-26 10:12:00,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 10:12:00,128 INFO L142 QuantifierPusher]: treesize reduction 12, result has 73.3 percent of original size [2021-03-26 10:12:00,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 10:12:00,159 INFO L142 QuantifierPusher]: treesize reduction 22, result has 75.3 percent of original size [2021-03-26 10:12:00,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-26 10:12:00,200 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.3 percent of original size [2021-03-26 10:12:00,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 10:12:00,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 10:12:00,233 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1126247339] [2021-03-26 10:12:00,233 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:12:00,233 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-26 10:12:00,233 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441264719] [2021-03-26 10:12:00,234 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-26 10:12:00,234 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:12:00,234 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-26 10:12:00,234 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-03-26 10:12:00,235 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 164 out of 202 [2021-03-26 10:12:00,236 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 40 transitions, 192 flow. Second operand has 6 states, 6 states have (on average 164.83333333333334) internal successors, (989), 6 states have internal predecessors, (989), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:12:00,236 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:12:00,236 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 164 of 202 [2021-03-26 10:12:00,236 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:12:00,355 INFO L129 PetriNetUnfolder]: 95/245 cut-off events. [2021-03-26 10:12:00,356 INFO L130 PetriNetUnfolder]: For 479/528 co-relation queries the response was YES. [2021-03-26 10:12:00,357 INFO L84 FinitePrefix]: Finished finitePrefix Result has 918 conditions, 245 events. 95/245 cut-off events. For 479/528 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 1242 event pairs, 19 based on Foata normal form. 14/235 useless extension candidates. Maximal degree in co-relation 897. Up to 127 conditions per place. [2021-03-26 10:12:00,359 INFO L132 encePairwiseOnDemand]: 195/202 looper letters, 10 selfloop transitions, 11 changer transitions 0/44 dead transitions. [2021-03-26 10:12:00,359 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 44 transitions, 258 flow [2021-03-26 10:12:00,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 10:12:00,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 10:12:00,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 837 transitions. [2021-03-26 10:12:00,362 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8287128712871287 [2021-03-26 10:12:00,362 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 837 transitions. [2021-03-26 10:12:00,362 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 837 transitions. [2021-03-26 10:12:00,362 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:12:00,362 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 837 transitions. [2021-03-26 10:12:00,364 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 167.4) internal successors, (837), 5 states have internal predecessors, (837), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:12:00,366 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 202.0) internal successors, (1212), 6 states have internal predecessors, (1212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:12:00,366 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 202.0) internal successors, (1212), 6 states have internal predecessors, (1212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:12:00,366 INFO L185 Difference]: Start difference. First operand has 53 places, 40 transitions, 192 flow. Second operand 5 states and 837 transitions. [2021-03-26 10:12:00,367 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 44 transitions, 258 flow [2021-03-26 10:12:00,369 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 44 transitions, 248 flow, removed 2 selfloop flow, removed 1 redundant places. [2021-03-26 10:12:00,372 INFO L241 Difference]: Finished difference. Result has 57 places, 42 transitions, 227 flow [2021-03-26 10:12:00,372 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=202, PETRI_DIFFERENCE_MINUEND_FLOW=182, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=227, PETRI_PLACES=57, PETRI_TRANSITIONS=42} [2021-03-26 10:12:00,373 INFO L343 CegarLoopForPetriNet]: 57 programPoint places, 0 predicate places. [2021-03-26 10:12:00,373 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:12:00,373 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 57 places, 42 transitions, 227 flow [2021-03-26 10:12:00,373 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 57 places, 42 transitions, 227 flow [2021-03-26 10:12:00,374 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 57 places, 42 transitions, 227 flow [2021-03-26 10:12:00,406 INFO L129 PetriNetUnfolder]: 92/243 cut-off events. [2021-03-26 10:12:00,407 INFO L130 PetriNetUnfolder]: For 868/953 co-relation queries the response was YES. [2021-03-26 10:12:00,408 INFO L84 FinitePrefix]: Finished finitePrefix Result has 887 conditions, 243 events. 92/243 cut-off events. For 868/953 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 1340 event pairs, 22 based on Foata normal form. 9/220 useless extension candidates. Maximal degree in co-relation 866. Up to 115 conditions per place. [2021-03-26 10:12:00,411 INFO L142 LiptonReduction]: Number of co-enabled transitions 650 [2021-03-26 10:12:00,431 INFO L154 LiptonReduction]: Checked pairs total: 411 [2021-03-26 10:12:00,431 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 10:12:00,431 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 58 [2021-03-26 10:12:00,432 INFO L480 AbstractCegarLoop]: Abstraction has has 57 places, 42 transitions, 227 flow [2021-03-26 10:12:00,432 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 164.83333333333334) internal successors, (989), 6 states have internal predecessors, (989), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:12:00,432 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:12:00,432 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:12:00,432 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-26 10:12:00,433 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:12:00,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:12:00,433 INFO L82 PathProgramCache]: Analyzing trace with hash 158641151, now seen corresponding path program 3 times [2021-03-26 10:12:00,433 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:12:00,434 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1973525564] [2021-03-26 10:12:00,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:12:00,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:12:00,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:12:00,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 10:12:00,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:12:00,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 10:12:00,532 INFO L142 QuantifierPusher]: treesize reduction 30, result has 31.8 percent of original size [2021-03-26 10:12:00,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 10:12:00,552 INFO L142 QuantifierPusher]: treesize reduction 2, result has 97.1 percent of original size [2021-03-26 10:12:00,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-03-26 10:12:00,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 10:12:00,599 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1973525564] [2021-03-26 10:12:00,599 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:12:00,599 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-26 10:12:00,599 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731817672] [2021-03-26 10:12:00,600 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-26 10:12:00,600 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:12:00,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-26 10:12:00,600 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-03-26 10:12:00,601 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 161 out of 202 [2021-03-26 10:12:00,602 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 42 transitions, 227 flow. Second operand has 6 states, 6 states have (on average 161.83333333333334) internal successors, (971), 6 states have internal predecessors, (971), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:12:00,602 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:12:00,602 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 161 of 202 [2021-03-26 10:12:00,602 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:12:00,779 INFO L129 PetriNetUnfolder]: 87/251 cut-off events. [2021-03-26 10:12:00,780 INFO L130 PetriNetUnfolder]: For 810/857 co-relation queries the response was YES. [2021-03-26 10:12:00,781 INFO L84 FinitePrefix]: Finished finitePrefix Result has 978 conditions, 251 events. 87/251 cut-off events. For 810/857 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 1389 event pairs, 7 based on Foata normal form. 16/245 useless extension candidates. Maximal degree in co-relation 955. Up to 104 conditions per place. [2021-03-26 10:12:00,783 INFO L132 encePairwiseOnDemand]: 196/202 looper letters, 10 selfloop transitions, 15 changer transitions 0/48 dead transitions. [2021-03-26 10:12:00,783 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 48 transitions, 321 flow [2021-03-26 10:12:00,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 10:12:00,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 10:12:00,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 822 transitions. [2021-03-26 10:12:00,786 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8138613861386138 [2021-03-26 10:12:00,786 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 822 transitions. [2021-03-26 10:12:00,786 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 822 transitions. [2021-03-26 10:12:00,786 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:12:00,786 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 822 transitions. [2021-03-26 10:12:00,788 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 164.4) internal successors, (822), 5 states have internal predecessors, (822), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:12:00,789 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 202.0) internal successors, (1212), 6 states have internal predecessors, (1212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:12:00,790 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 202.0) internal successors, (1212), 6 states have internal predecessors, (1212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:12:00,790 INFO L185 Difference]: Start difference. First operand has 57 places, 42 transitions, 227 flow. Second operand 5 states and 822 transitions. [2021-03-26 10:12:00,790 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 48 transitions, 321 flow [2021-03-26 10:12:00,792 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 48 transitions, 298 flow, removed 2 selfloop flow, removed 3 redundant places. [2021-03-26 10:12:00,793 INFO L241 Difference]: Finished difference. Result has 59 places, 46 transitions, 283 flow [2021-03-26 10:12:00,793 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=202, PETRI_DIFFERENCE_MINUEND_FLOW=206, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=283, PETRI_PLACES=59, PETRI_TRANSITIONS=46} [2021-03-26 10:12:00,793 INFO L343 CegarLoopForPetriNet]: 57 programPoint places, 2 predicate places. [2021-03-26 10:12:00,793 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:12:00,794 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 59 places, 46 transitions, 283 flow [2021-03-26 10:12:00,794 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 59 places, 46 transitions, 283 flow [2021-03-26 10:12:00,794 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 59 places, 46 transitions, 283 flow [2021-03-26 10:12:00,824 INFO L129 PetriNetUnfolder]: 79/236 cut-off events. [2021-03-26 10:12:00,824 INFO L130 PetriNetUnfolder]: For 870/945 co-relation queries the response was YES. [2021-03-26 10:12:00,826 INFO L84 FinitePrefix]: Finished finitePrefix Result has 922 conditions, 236 events. 79/236 cut-off events. For 870/945 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 1321 event pairs, 17 based on Foata normal form. 16/226 useless extension candidates. Maximal degree in co-relation 900. Up to 106 conditions per place. [2021-03-26 10:12:00,828 INFO L142 LiptonReduction]: Number of co-enabled transitions 722 [2021-03-26 10:12:00,837 INFO L154 LiptonReduction]: Checked pairs total: 539 [2021-03-26 10:12:00,837 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 10:12:00,837 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 44 [2021-03-26 10:12:00,838 INFO L480 AbstractCegarLoop]: Abstraction has has 59 places, 46 transitions, 283 flow [2021-03-26 10:12:00,838 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 161.83333333333334) internal successors, (971), 6 states have internal predecessors, (971), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:12:00,838 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:12:00,839 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:12:00,839 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-03-26 10:12:00,839 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:12:00,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:12:00,839 INFO L82 PathProgramCache]: Analyzing trace with hash -1251899768, now seen corresponding path program 1 times [2021-03-26 10:12:00,839 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:12:00,839 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81221665] [2021-03-26 10:12:00,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:12:00,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:12:00,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:12:00,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 10:12:00,931 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.3 percent of original size [2021-03-26 10:12:00,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 10:12:00,958 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.5 percent of original size [2021-03-26 10:12:00,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 10:12:00,992 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.7 percent of original size [2021-03-26 10:12:00,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-26 10:12:01,031 INFO L142 QuantifierPusher]: treesize reduction 11, result has 86.4 percent of original size [2021-03-26 10:12:01,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-03-26 10:12:01,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 10:12:01,067 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [81221665] [2021-03-26 10:12:01,067 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:12:01,067 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-26 10:12:01,067 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276729520] [2021-03-26 10:12:01,068 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 10:12:01,068 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:12:01,068 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 10:12:01,068 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-03-26 10:12:01,069 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 159 out of 202 [2021-03-26 10:12:01,070 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 46 transitions, 283 flow. Second operand has 7 states, 7 states have (on average 159.85714285714286) internal successors, (1119), 7 states have internal predecessors, (1119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:12:01,070 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:12:01,070 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 159 of 202 [2021-03-26 10:12:01,070 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:12:01,203 INFO L129 PetriNetUnfolder]: 90/266 cut-off events. [2021-03-26 10:12:01,203 INFO L130 PetriNetUnfolder]: For 848/895 co-relation queries the response was YES. [2021-03-26 10:12:01,205 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1131 conditions, 266 events. 90/266 cut-off events. For 848/895 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 1539 event pairs, 7 based on Foata normal form. 15/259 useless extension candidates. Maximal degree in co-relation 1107. Up to 120 conditions per place. [2021-03-26 10:12:01,207 INFO L132 encePairwiseOnDemand]: 195/202 looper letters, 15 selfloop transitions, 11 changer transitions 0/49 dead transitions. [2021-03-26 10:12:01,207 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 49 transitions, 357 flow [2021-03-26 10:12:01,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 10:12:01,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 10:12:01,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 812 transitions. [2021-03-26 10:12:01,210 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.803960396039604 [2021-03-26 10:12:01,210 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 812 transitions. [2021-03-26 10:12:01,210 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 812 transitions. [2021-03-26 10:12:01,210 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:12:01,210 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 812 transitions. [2021-03-26 10:12:01,212 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 162.4) internal successors, (812), 5 states have internal predecessors, (812), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:12:01,213 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 202.0) internal successors, (1212), 6 states have internal predecessors, (1212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:12:01,214 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 202.0) internal successors, (1212), 6 states have internal predecessors, (1212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:12:01,214 INFO L185 Difference]: Start difference. First operand has 59 places, 46 transitions, 283 flow. Second operand 5 states and 812 transitions. [2021-03-26 10:12:01,214 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 49 transitions, 357 flow [2021-03-26 10:12:01,217 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 49 transitions, 345 flow, removed 6 selfloop flow, removed 0 redundant places. [2021-03-26 10:12:01,218 INFO L241 Difference]: Finished difference. Result has 64 places, 47 transitions, 311 flow [2021-03-26 10:12:01,219 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=202, PETRI_DIFFERENCE_MINUEND_FLOW=273, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=311, PETRI_PLACES=64, PETRI_TRANSITIONS=47} [2021-03-26 10:12:01,219 INFO L343 CegarLoopForPetriNet]: 57 programPoint places, 7 predicate places. [2021-03-26 10:12:01,219 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:12:01,219 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 64 places, 47 transitions, 311 flow [2021-03-26 10:12:01,220 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 64 places, 47 transitions, 311 flow [2021-03-26 10:12:01,220 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 64 places, 47 transitions, 311 flow [2021-03-26 10:12:01,250 INFO L129 PetriNetUnfolder]: 82/245 cut-off events. [2021-03-26 10:12:01,250 INFO L130 PetriNetUnfolder]: For 997/1056 co-relation queries the response was YES. [2021-03-26 10:12:01,252 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1010 conditions, 245 events. 82/245 cut-off events. For 997/1056 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 1409 event pairs, 20 based on Foata normal form. 15/238 useless extension candidates. Maximal degree in co-relation 985. Up to 112 conditions per place. [2021-03-26 10:12:01,255 INFO L142 LiptonReduction]: Number of co-enabled transitions 744 [2021-03-26 10:12:01,265 INFO L154 LiptonReduction]: Checked pairs total: 606 [2021-03-26 10:12:01,266 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 10:12:01,266 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 47 [2021-03-26 10:12:01,267 INFO L480 AbstractCegarLoop]: Abstraction has has 64 places, 47 transitions, 311 flow [2021-03-26 10:12:01,268 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 159.85714285714286) internal successors, (1119), 7 states have internal predecessors, (1119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:12:01,269 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:12:01,269 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:12:01,269 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-03-26 10:12:01,269 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:12:01,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:12:01,269 INFO L82 PathProgramCache]: Analyzing trace with hash 592642440, now seen corresponding path program 2 times [2021-03-26 10:12:01,269 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:12:01,269 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1958877683] [2021-03-26 10:12:01,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:12:01,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:12:01,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:12:01,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 10:12:01,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:12:01,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 10:12:01,370 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.8 percent of original size [2021-03-26 10:12:01,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 10:12:01,408 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.0 percent of original size [2021-03-26 10:12:01,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-26 10:12:01,478 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.7 percent of original size [2021-03-26 10:12:01,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-26 10:12:01,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 10:12:01,506 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1958877683] [2021-03-26 10:12:01,507 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:12:01,507 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-26 10:12:01,507 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698392247] [2021-03-26 10:12:01,507 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 10:12:01,507 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:12:01,507 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 10:12:01,508 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-03-26 10:12:01,509 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 158 out of 202 [2021-03-26 10:12:01,509 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 47 transitions, 311 flow. Second operand has 7 states, 7 states have (on average 158.85714285714286) internal successors, (1112), 7 states have internal predecessors, (1112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:12:01,509 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:12:01,510 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 158 of 202 [2021-03-26 10:12:01,510 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:12:01,695 INFO L129 PetriNetUnfolder]: 83/246 cut-off events. [2021-03-26 10:12:01,695 INFO L130 PetriNetUnfolder]: For 948/995 co-relation queries the response was YES. [2021-03-26 10:12:01,697 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1104 conditions, 246 events. 83/246 cut-off events. For 948/995 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 1349 event pairs, 6 based on Foata normal form. 15/242 useless extension candidates. Maximal degree in co-relation 1077. Up to 101 conditions per place. [2021-03-26 10:12:01,698 INFO L132 encePairwiseOnDemand]: 196/202 looper letters, 13 selfloop transitions, 15 changer transitions 0/51 dead transitions. [2021-03-26 10:12:01,698 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 51 transitions, 396 flow [2021-03-26 10:12:01,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 10:12:01,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 10:12:01,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 807 transitions. [2021-03-26 10:12:01,701 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.799009900990099 [2021-03-26 10:12:01,702 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 807 transitions. [2021-03-26 10:12:01,702 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 807 transitions. [2021-03-26 10:12:01,702 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:12:01,702 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 807 transitions. [2021-03-26 10:12:01,704 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 161.4) internal successors, (807), 5 states have internal predecessors, (807), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:12:01,706 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 202.0) internal successors, (1212), 6 states have internal predecessors, (1212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:12:01,706 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 202.0) internal successors, (1212), 6 states have internal predecessors, (1212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:12:01,707 INFO L185 Difference]: Start difference. First operand has 64 places, 47 transitions, 311 flow. Second operand 5 states and 807 transitions. [2021-03-26 10:12:01,707 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 51 transitions, 396 flow [2021-03-26 10:12:01,709 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 51 transitions, 376 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-03-26 10:12:01,711 INFO L241 Difference]: Finished difference. Result has 67 places, 49 transitions, 358 flow [2021-03-26 10:12:01,711 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=202, PETRI_DIFFERENCE_MINUEND_FLOW=293, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=47, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=358, PETRI_PLACES=67, PETRI_TRANSITIONS=49} [2021-03-26 10:12:01,711 INFO L343 CegarLoopForPetriNet]: 57 programPoint places, 10 predicate places. [2021-03-26 10:12:01,711 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:12:01,711 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 67 places, 49 transitions, 358 flow [2021-03-26 10:12:01,712 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 67 places, 49 transitions, 358 flow [2021-03-26 10:12:01,712 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 67 places, 49 transitions, 358 flow [2021-03-26 10:12:01,741 INFO L129 PetriNetUnfolder]: 78/235 cut-off events. [2021-03-26 10:12:01,742 INFO L130 PetriNetUnfolder]: For 1310/1384 co-relation queries the response was YES. [2021-03-26 10:12:01,743 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1065 conditions, 235 events. 78/235 cut-off events. For 1310/1384 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 1294 event pairs, 12 based on Foata normal form. 15/226 useless extension candidates. Maximal degree in co-relation 1038. Up to 106 conditions per place. [2021-03-26 10:12:01,746 INFO L142 LiptonReduction]: Number of co-enabled transitions 776 [2021-03-26 10:12:01,957 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 57 [2021-03-26 10:12:02,337 WARN L205 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 83 [2021-03-26 10:12:02,459 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-03-26 10:12:02,473 INFO L154 LiptonReduction]: Checked pairs total: 1201 [2021-03-26 10:12:02,473 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 10:12:02,473 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 762 [2021-03-26 10:12:02,474 INFO L480 AbstractCegarLoop]: Abstraction has has 67 places, 49 transitions, 365 flow [2021-03-26 10:12:02,475 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 158.85714285714286) internal successors, (1112), 7 states have internal predecessors, (1112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:12:02,475 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:12:02,475 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:12:02,475 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-03-26 10:12:02,475 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:12:02,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:12:02,475 INFO L82 PathProgramCache]: Analyzing trace with hash -254659436, now seen corresponding path program 1 times [2021-03-26 10:12:02,475 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:12:02,476 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1141150768] [2021-03-26 10:12:02,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:12:02,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:12:02,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:12:02,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:12:02,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:12:02,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:12:02,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:12:02,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:12:02,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 10:12:02,541 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1141150768] [2021-03-26 10:12:02,541 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:12:02,541 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 10:12:02,541 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453580264] [2021-03-26 10:12:02,541 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 10:12:02,541 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:12:02,542 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 10:12:02,542 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-26 10:12:02,543 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 168 out of 203 [2021-03-26 10:12:02,544 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 49 transitions, 365 flow. Second operand has 4 states, 4 states have (on average 168.75) internal successors, (675), 4 states have internal predecessors, (675), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:12:02,544 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:12:02,544 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 168 of 203 [2021-03-26 10:12:02,544 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:12:02,751 INFO L129 PetriNetUnfolder]: 871/1571 cut-off events. [2021-03-26 10:12:02,752 INFO L130 PetriNetUnfolder]: For 4749/5802 co-relation queries the response was YES. [2021-03-26 10:12:02,762 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5121 conditions, 1571 events. 871/1571 cut-off events. For 4749/5802 co-relation queries the response was YES. Maximal size of possible extension queue 323. Compared 11344 event pairs, 372 based on Foata normal form. 194/1377 useless extension candidates. Maximal degree in co-relation 5092. Up to 1025 conditions per place. [2021-03-26 10:12:02,772 INFO L132 encePairwiseOnDemand]: 196/203 looper letters, 15 selfloop transitions, 10 changer transitions 0/63 dead transitions. [2021-03-26 10:12:02,772 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 63 transitions, 443 flow [2021-03-26 10:12:02,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 10:12:02,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 10:12:02,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 864 transitions. [2021-03-26 10:12:02,775 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8512315270935961 [2021-03-26 10:12:02,775 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 864 transitions. [2021-03-26 10:12:02,775 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 864 transitions. [2021-03-26 10:12:02,775 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:12:02,775 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 864 transitions. [2021-03-26 10:12:02,777 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 172.8) internal successors, (864), 5 states have internal predecessors, (864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:12:02,779 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 203.0) internal successors, (1218), 6 states have internal predecessors, (1218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:12:02,780 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 203.0) internal successors, (1218), 6 states have internal predecessors, (1218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:12:02,780 INFO L185 Difference]: Start difference. First operand has 67 places, 49 transitions, 365 flow. Second operand 5 states and 864 transitions. [2021-03-26 10:12:02,780 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 71 places, 63 transitions, 443 flow [2021-03-26 10:12:02,788 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 63 transitions, 406 flow, removed 6 selfloop flow, removed 3 redundant places. [2021-03-26 10:12:02,789 INFO L241 Difference]: Finished difference. Result has 71 places, 58 transitions, 415 flow [2021-03-26 10:12:02,789 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=203, PETRI_DIFFERENCE_MINUEND_FLOW=328, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=49, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=415, PETRI_PLACES=71, PETRI_TRANSITIONS=58} [2021-03-26 10:12:02,790 INFO L343 CegarLoopForPetriNet]: 57 programPoint places, 14 predicate places. [2021-03-26 10:12:02,790 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:12:02,790 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 71 places, 58 transitions, 415 flow [2021-03-26 10:12:02,790 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 71 places, 58 transitions, 415 flow [2021-03-26 10:12:02,790 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 71 places, 58 transitions, 415 flow [2021-03-26 10:12:02,950 INFO L129 PetriNetUnfolder]: 690/1293 cut-off events. [2021-03-26 10:12:02,950 INFO L130 PetriNetUnfolder]: For 4220/5169 co-relation queries the response was YES. [2021-03-26 10:12:02,957 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5013 conditions, 1293 events. 690/1293 cut-off events. For 4220/5169 co-relation queries the response was YES. Maximal size of possible extension queue 256. Compared 9254 event pairs, 298 based on Foata normal form. 37/1081 useless extension candidates. Maximal degree in co-relation 4983. Up to 846 conditions per place. [2021-03-26 10:12:02,971 INFO L142 LiptonReduction]: Number of co-enabled transitions 1036 [2021-03-26 10:12:03,056 INFO L154 LiptonReduction]: Checked pairs total: 287 [2021-03-26 10:12:03,056 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 10:12:03,056 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 266 [2021-03-26 10:12:03,057 INFO L480 AbstractCegarLoop]: Abstraction has has 71 places, 58 transitions, 415 flow [2021-03-26 10:12:03,057 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 168.75) internal successors, (675), 4 states have internal predecessors, (675), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:12:03,057 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:12:03,058 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:12:03,058 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-03-26 10:12:03,058 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:12:03,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:12:03,058 INFO L82 PathProgramCache]: Analyzing trace with hash 1706259398, now seen corresponding path program 1 times [2021-03-26 10:12:03,058 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:12:03,058 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [138859258] [2021-03-26 10:12:03,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:12:03,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:12:03,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:12:03,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:12:03,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:12:03,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:12:03,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:12:03,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:12:03,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:12:03,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:12:03,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 10:12:03,125 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [138859258] [2021-03-26 10:12:03,125 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:12:03,125 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-26 10:12:03,125 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783903722] [2021-03-26 10:12:03,125 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 10:12:03,125 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:12:03,126 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 10:12:03,127 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-26 10:12:03,127 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 168 out of 203 [2021-03-26 10:12:03,128 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 58 transitions, 415 flow. Second operand has 5 states, 5 states have (on average 168.8) internal successors, (844), 5 states have internal predecessors, (844), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:12:03,128 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:12:03,128 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 168 of 203 [2021-03-26 10:12:03,128 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:12:03,322 INFO L129 PetriNetUnfolder]: 643/1241 cut-off events. [2021-03-26 10:12:03,323 INFO L130 PetriNetUnfolder]: For 5202/9956 co-relation queries the response was YES. [2021-03-26 10:12:03,330 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5237 conditions, 1241 events. 643/1241 cut-off events. For 5202/9956 co-relation queries the response was YES. Maximal size of possible extension queue 266. Compared 8618 event pairs, 77 based on Foata normal form. 368/1381 useless extension candidates. Maximal degree in co-relation 5205. Up to 838 conditions per place. [2021-03-26 10:12:03,337 INFO L132 encePairwiseOnDemand]: 196/203 looper letters, 16 selfloop transitions, 19 changer transitions 0/73 dead transitions. [2021-03-26 10:12:03,337 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 77 places, 73 transitions, 565 flow [2021-03-26 10:12:03,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 10:12:03,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 10:12:03,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1210 transitions. [2021-03-26 10:12:03,340 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8515130190007038 [2021-03-26 10:12:03,340 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1210 transitions. [2021-03-26 10:12:03,340 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1210 transitions. [2021-03-26 10:12:03,341 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:12:03,341 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1210 transitions. [2021-03-26 10:12:03,343 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 172.85714285714286) internal successors, (1210), 7 states have internal predecessors, (1210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:12:03,345 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 203.0) internal successors, (1624), 8 states have internal predecessors, (1624), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:12:03,346 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 203.0) internal successors, (1624), 8 states have internal predecessors, (1624), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:12:03,346 INFO L185 Difference]: Start difference. First operand has 71 places, 58 transitions, 415 flow. Second operand 7 states and 1210 transitions. [2021-03-26 10:12:03,346 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 77 places, 73 transitions, 565 flow [2021-03-26 10:12:03,351 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 76 places, 73 transitions, 560 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-26 10:12:03,353 INFO L241 Difference]: Finished difference. Result has 79 places, 67 transitions, 556 flow [2021-03-26 10:12:03,353 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=203, PETRI_DIFFERENCE_MINUEND_FLOW=410, PETRI_DIFFERENCE_MINUEND_PLACES=70, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=58, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=556, PETRI_PLACES=79, PETRI_TRANSITIONS=67} [2021-03-26 10:12:03,353 INFO L343 CegarLoopForPetriNet]: 57 programPoint places, 22 predicate places. [2021-03-26 10:12:03,353 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:12:03,353 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 79 places, 67 transitions, 556 flow [2021-03-26 10:12:03,354 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 79 places, 67 transitions, 556 flow [2021-03-26 10:12:03,354 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 79 places, 67 transitions, 556 flow [2021-03-26 10:12:03,457 INFO L129 PetriNetUnfolder]: 477/1002 cut-off events. [2021-03-26 10:12:03,457 INFO L130 PetriNetUnfolder]: For 6043/9069 co-relation queries the response was YES. [2021-03-26 10:12:03,464 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5087 conditions, 1002 events. 477/1002 cut-off events. For 6043/9069 co-relation queries the response was YES. Maximal size of possible extension queue 207. Compared 7417 event pairs, 57 based on Foata normal form. 44/880 useless extension candidates. Maximal degree in co-relation 5053. Up to 676 conditions per place. [2021-03-26 10:12:03,477 INFO L142 LiptonReduction]: Number of co-enabled transitions 1230 [2021-03-26 10:12:03,508 INFO L154 LiptonReduction]: Checked pairs total: 338 [2021-03-26 10:12:03,508 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 10:12:03,508 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 155 [2021-03-26 10:12:03,510 INFO L480 AbstractCegarLoop]: Abstraction has has 79 places, 67 transitions, 556 flow [2021-03-26 10:12:03,510 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 168.8) internal successors, (844), 5 states have internal predecessors, (844), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:12:03,510 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:12:03,511 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:12:03,511 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-03-26 10:12:03,511 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:12:03,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:12:03,511 INFO L82 PathProgramCache]: Analyzing trace with hash -388667496, now seen corresponding path program 1 times [2021-03-26 10:12:03,511 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:12:03,511 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134361519] [2021-03-26 10:12:03,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:12:03,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:12:03,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:12:03,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:12:03,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:12:03,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:12:03,554 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 10:12:03,554 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2134361519] [2021-03-26 10:12:03,554 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:12:03,554 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-26 10:12:03,554 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450423094] [2021-03-26 10:12:03,555 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 10:12:03,555 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:12:03,555 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 10:12:03,555 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 10:12:03,556 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 180 out of 203 [2021-03-26 10:12:03,556 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 79 places, 67 transitions, 556 flow. Second operand has 3 states, 3 states have (on average 181.0) internal successors, (543), 3 states have internal predecessors, (543), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:12:03,556 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:12:03,556 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 180 of 203 [2021-03-26 10:12:03,556 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:12:03,716 INFO L129 PetriNetUnfolder]: 764/1479 cut-off events. [2021-03-26 10:12:03,717 INFO L130 PetriNetUnfolder]: For 9528/14197 co-relation queries the response was YES. [2021-03-26 10:12:03,727 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7640 conditions, 1479 events. 764/1479 cut-off events. For 9528/14197 co-relation queries the response was YES. Maximal size of possible extension queue 322. Compared 10797 event pairs, 127 based on Foata normal form. 57/1269 useless extension candidates. Maximal degree in co-relation 7604. Up to 1090 conditions per place. [2021-03-26 10:12:03,738 INFO L132 encePairwiseOnDemand]: 200/203 looper letters, 3 selfloop transitions, 3 changer transitions 0/67 dead transitions. [2021-03-26 10:12:03,738 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 67 transitions, 568 flow [2021-03-26 10:12:03,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 10:12:03,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 10:12:03,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 546 transitions. [2021-03-26 10:12:03,740 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.896551724137931 [2021-03-26 10:12:03,740 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 546 transitions. [2021-03-26 10:12:03,741 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 546 transitions. [2021-03-26 10:12:03,741 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:12:03,741 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 546 transitions. [2021-03-26 10:12:03,742 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 182.0) internal successors, (546), 3 states have internal predecessors, (546), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:12:03,743 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 203.0) internal successors, (812), 4 states have internal predecessors, (812), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:12:03,743 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 203.0) internal successors, (812), 4 states have internal predecessors, (812), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:12:03,743 INFO L185 Difference]: Start difference. First operand has 79 places, 67 transitions, 556 flow. Second operand 3 states and 546 transitions. [2021-03-26 10:12:03,743 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 67 transitions, 568 flow [2021-03-26 10:12:03,761 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 78 places, 67 transitions, 518 flow, removed 17 selfloop flow, removed 3 redundant places. [2021-03-26 10:12:03,762 INFO L241 Difference]: Finished difference. Result has 79 places, 67 transitions, 517 flow [2021-03-26 10:12:03,763 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=203, PETRI_DIFFERENCE_MINUEND_FLOW=506, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=67, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=64, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=517, PETRI_PLACES=79, PETRI_TRANSITIONS=67} [2021-03-26 10:12:03,763 INFO L343 CegarLoopForPetriNet]: 57 programPoint places, 22 predicate places. [2021-03-26 10:12:03,763 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:12:03,763 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 79 places, 67 transitions, 517 flow [2021-03-26 10:12:03,763 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 79 places, 67 transitions, 517 flow [2021-03-26 10:12:03,764 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 79 places, 67 transitions, 517 flow [2021-03-26 10:12:03,930 INFO L129 PetriNetUnfolder]: 759/1485 cut-off events. [2021-03-26 10:12:03,930 INFO L130 PetriNetUnfolder]: For 8781/10169 co-relation queries the response was YES. [2021-03-26 10:12:03,939 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6865 conditions, 1485 events. 759/1485 cut-off events. For 8781/10169 co-relation queries the response was YES. Maximal size of possible extension queue 317. Compared 11556 event pairs, 99 based on Foata normal form. 47/1265 useless extension candidates. Maximal degree in co-relation 6831. Up to 944 conditions per place. [2021-03-26 10:12:03,956 INFO L142 LiptonReduction]: Number of co-enabled transitions 1230 [2021-03-26 10:12:04,038 INFO L154 LiptonReduction]: Checked pairs total: 338 [2021-03-26 10:12:04,039 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 10:12:04,039 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 276 [2021-03-26 10:12:04,039 INFO L480 AbstractCegarLoop]: Abstraction has has 79 places, 67 transitions, 517 flow [2021-03-26 10:12:04,039 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 181.0) internal successors, (543), 3 states have internal predecessors, (543), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:12:04,040 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:12:04,040 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:12:04,040 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-03-26 10:12:04,040 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:12:04,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:12:04,040 INFO L82 PathProgramCache]: Analyzing trace with hash 888132935, now seen corresponding path program 1 times [2021-03-26 10:12:04,040 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:12:04,040 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1402533891] [2021-03-26 10:12:04,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:12:04,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:12:04,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:12:04,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:12:04,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:12:04,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:12:04,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:12:04,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:12:04,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:12:04,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:12:04,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:12:04,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:12:04,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 10:12:04,099 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1402533891] [2021-03-26 10:12:04,099 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:12:04,100 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-26 10:12:04,100 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112995714] [2021-03-26 10:12:04,100 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-26 10:12:04,100 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:12:04,100 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-26 10:12:04,100 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-03-26 10:12:04,101 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 168 out of 203 [2021-03-26 10:12:04,102 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 79 places, 67 transitions, 517 flow. Second operand has 6 states, 6 states have (on average 168.83333333333334) internal successors, (1013), 6 states have internal predecessors, (1013), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:12:04,102 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:12:04,102 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 168 of 203 [2021-03-26 10:12:04,102 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:12:04,349 INFO L129 PetriNetUnfolder]: 771/1455 cut-off events. [2021-03-26 10:12:04,349 INFO L130 PetriNetUnfolder]: For 9788/17717 co-relation queries the response was YES. [2021-03-26 10:12:04,358 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6934 conditions, 1455 events. 771/1455 cut-off events. For 9788/17717 co-relation queries the response was YES. Maximal size of possible extension queue 338. Compared 10245 event pairs, 12 based on Foata normal form. 550/1679 useless extension candidates. Maximal degree in co-relation 6898. Up to 918 conditions per place. [2021-03-26 10:12:04,366 INFO L132 encePairwiseOnDemand]: 196/203 looper letters, 11 selfloop transitions, 28 changer transitions 4/77 dead transitions. [2021-03-26 10:12:04,366 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 77 transitions, 673 flow [2021-03-26 10:12:04,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 10:12:04,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 10:12:04,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1556 transitions. [2021-03-26 10:12:04,370 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8516694033935414 [2021-03-26 10:12:04,370 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1556 transitions. [2021-03-26 10:12:04,370 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1556 transitions. [2021-03-26 10:12:04,371 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:12:04,371 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1556 transitions. [2021-03-26 10:12:04,374 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 172.88888888888889) internal successors, (1556), 9 states have internal predecessors, (1556), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:12:04,377 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 203.0) internal successors, (2030), 10 states have internal predecessors, (2030), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:12:04,377 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 203.0) internal successors, (2030), 10 states have internal predecessors, (2030), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:12:04,377 INFO L185 Difference]: Start difference. First operand has 79 places, 67 transitions, 517 flow. Second operand 9 states and 1556 transitions. [2021-03-26 10:12:04,377 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 87 places, 77 transitions, 673 flow [2021-03-26 10:12:04,391 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 83 places, 77 transitions, 646 flow, removed 8 selfloop flow, removed 4 redundant places. [2021-03-26 10:12:04,393 INFO L241 Difference]: Finished difference. Result has 86 places, 70 transitions, 610 flow [2021-03-26 10:12:04,393 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=203, PETRI_DIFFERENCE_MINUEND_FLOW=428, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=61, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=610, PETRI_PLACES=86, PETRI_TRANSITIONS=70} [2021-03-26 10:12:04,393 INFO L343 CegarLoopForPetriNet]: 57 programPoint places, 29 predicate places. [2021-03-26 10:12:04,393 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:12:04,393 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 86 places, 70 transitions, 610 flow [2021-03-26 10:12:04,394 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 86 places, 70 transitions, 610 flow [2021-03-26 10:12:04,394 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 86 places, 70 transitions, 610 flow [2021-03-26 10:12:04,478 INFO L129 PetriNetUnfolder]: 439/938 cut-off events. [2021-03-26 10:12:04,478 INFO L130 PetriNetUnfolder]: For 8457/10285 co-relation queries the response was YES. [2021-03-26 10:12:04,485 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5115 conditions, 938 events. 439/938 cut-off events. For 8457/10285 co-relation queries the response was YES. Maximal size of possible extension queue 218. Compared 7073 event pairs, 8 based on Foata normal form. 19/760 useless extension candidates. Maximal degree in co-relation 5078. Up to 607 conditions per place. [2021-03-26 10:12:04,497 INFO L142 LiptonReduction]: Number of co-enabled transitions 1294 [2021-03-26 10:12:04,517 INFO L154 LiptonReduction]: Checked pairs total: 356 [2021-03-26 10:12:04,517 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 10:12:04,517 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 124 [2021-03-26 10:12:04,520 INFO L480 AbstractCegarLoop]: Abstraction has has 86 places, 70 transitions, 610 flow [2021-03-26 10:12:04,521 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 168.83333333333334) internal successors, (1013), 6 states have internal predecessors, (1013), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:12:04,521 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:12:04,521 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:12:04,521 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-03-26 10:12:04,522 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:12:04,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:12:04,522 INFO L82 PathProgramCache]: Analyzing trace with hash -1043217113, now seen corresponding path program 1 times [2021-03-26 10:12:04,522 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:12:04,522 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566698405] [2021-03-26 10:12:04,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:12:04,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:12:04,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:12:04,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:12:04,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:12:04,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:12:04,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:12:04,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:12:04,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:12:04,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:12:04,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:12:04,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:12:04,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:12:04,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:12:04,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 10:12:04,617 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1566698405] [2021-03-26 10:12:04,619 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:12:04,619 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 10:12:04,619 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298081119] [2021-03-26 10:12:04,621 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 10:12:04,621 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:12:04,621 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 10:12:04,621 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 10:12:04,622 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 168 out of 203 [2021-03-26 10:12:04,623 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 86 places, 70 transitions, 610 flow. Second operand has 7 states, 7 states have (on average 168.85714285714286) internal successors, (1182), 7 states have internal predecessors, (1182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:12:04,624 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:12:04,624 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 168 of 203 [2021-03-26 10:12:04,624 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:12:04,890 INFO L129 PetriNetUnfolder]: 694/1318 cut-off events. [2021-03-26 10:12:04,891 INFO L130 PetriNetUnfolder]: For 11814/21976 co-relation queries the response was YES. [2021-03-26 10:12:04,902 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7621 conditions, 1318 events. 694/1318 cut-off events. For 11814/21976 co-relation queries the response was YES. Maximal size of possible extension queue 338. Compared 9280 event pairs, 0 based on Foata normal form. 490/1486 useless extension candidates. Maximal degree in co-relation 7582. Up to 852 conditions per place. [2021-03-26 10:12:04,910 INFO L132 encePairwiseOnDemand]: 196/203 looper letters, 6 selfloop transitions, 33 changer transitions 5/77 dead transitions. [2021-03-26 10:12:04,911 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 77 transitions, 733 flow [2021-03-26 10:12:04,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 10:12:04,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 10:12:04,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1894 transitions. [2021-03-26 10:12:04,915 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8481862964621585 [2021-03-26 10:12:04,915 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1894 transitions. [2021-03-26 10:12:04,958 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1894 transitions. [2021-03-26 10:12:04,959 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:12:04,959 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1894 transitions. [2021-03-26 10:12:04,963 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 172.1818181818182) internal successors, (1894), 11 states have internal predecessors, (1894), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:12:04,967 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 203.0) internal successors, (2436), 12 states have internal predecessors, (2436), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:12:04,967 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 203.0) internal successors, (2436), 12 states have internal predecessors, (2436), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:12:04,967 INFO L185 Difference]: Start difference. First operand has 86 places, 70 transitions, 610 flow. Second operand 11 states and 1894 transitions. [2021-03-26 10:12:04,967 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 96 places, 77 transitions, 733 flow [2021-03-26 10:12:05,039 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 88 places, 77 transitions, 604 flow, removed 40 selfloop flow, removed 8 redundant places. [2021-03-26 10:12:05,041 INFO L241 Difference]: Finished difference. Result has 91 places, 69 transitions, 546 flow [2021-03-26 10:12:05,041 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=203, PETRI_DIFFERENCE_MINUEND_FLOW=452, PETRI_DIFFERENCE_MINUEND_PLACES=78, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=68, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=32, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=546, PETRI_PLACES=91, PETRI_TRANSITIONS=69} [2021-03-26 10:12:05,041 INFO L343 CegarLoopForPetriNet]: 57 programPoint places, 34 predicate places. [2021-03-26 10:12:05,041 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:12:05,041 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 91 places, 69 transitions, 546 flow [2021-03-26 10:12:05,042 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 91 places, 69 transitions, 546 flow [2021-03-26 10:12:05,042 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 90 places, 69 transitions, 546 flow [2021-03-26 10:12:05,130 INFO L129 PetriNetUnfolder]: 442/951 cut-off events. [2021-03-26 10:12:05,130 INFO L130 PetriNetUnfolder]: For 5774/6598 co-relation queries the response was YES. [2021-03-26 10:12:05,138 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4175 conditions, 951 events. 442/951 cut-off events. For 5774/6598 co-relation queries the response was YES. Maximal size of possible extension queue 261. Compared 7426 event pairs, 0 based on Foata normal form. 20/744 useless extension candidates. Maximal degree in co-relation 4138. Up to 320 conditions per place. [2021-03-26 10:12:05,153 INFO L142 LiptonReduction]: Number of co-enabled transitions 1268 [2021-03-26 10:12:05,831 WARN L205 SmtUtils]: Spent 675.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 184 [2021-03-26 10:12:06,041 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2021-03-26 10:12:07,412 WARN L205 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 338 DAG size of output: 262 [2021-03-26 10:12:08,026 WARN L205 SmtUtils]: Spent 610.00 ms on a formula simplification that was a NOOP. DAG size: 244 [2021-03-26 10:12:08,281 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2021-03-26 10:12:08,517 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2021-03-26 10:12:09,034 WARN L205 SmtUtils]: Spent 515.00 ms on a formula simplification that was a NOOP. DAG size: 256 [2021-03-26 10:12:09,554 WARN L205 SmtUtils]: Spent 519.00 ms on a formula simplification that was a NOOP. DAG size: 256 [2021-03-26 10:12:09,567 INFO L154 LiptonReduction]: Checked pairs total: 985 [2021-03-26 10:12:09,567 INFO L156 LiptonReduction]: Total number of compositions: 6 [2021-03-26 10:12:09,567 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4526 [2021-03-26 10:12:09,568 INFO L480 AbstractCegarLoop]: Abstraction has has 88 places, 63 transitions, 506 flow [2021-03-26 10:12:09,568 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 168.85714285714286) internal successors, (1182), 7 states have internal predecessors, (1182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:12:09,568 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:12:09,568 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:12:09,569 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-03-26 10:12:09,569 INFO L428 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:12:09,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:12:09,569 INFO L82 PathProgramCache]: Analyzing trace with hash 672817775, now seen corresponding path program 1 times [2021-03-26 10:12:09,569 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:12:09,569 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [446294670] [2021-03-26 10:12:09,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:12:09,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:12:09,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:12:09,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:12:09,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:12:09,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:12:09,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:12:09,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:12:09,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 10:12:09,633 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [446294670] [2021-03-26 10:12:09,633 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:12:09,633 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 10:12:09,633 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373574797] [2021-03-26 10:12:09,634 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 10:12:09,634 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:12:09,634 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 10:12:09,634 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-26 10:12:09,635 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 178 out of 205 [2021-03-26 10:12:09,635 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 88 places, 63 transitions, 506 flow. Second operand has 4 states, 4 states have (on average 179.0) internal successors, (716), 4 states have internal predecessors, (716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:12:09,635 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:12:09,635 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 178 of 205 [2021-03-26 10:12:09,635 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:12:09,706 INFO L129 PetriNetUnfolder]: 277/584 cut-off events. [2021-03-26 10:12:09,706 INFO L130 PetriNetUnfolder]: For 16156/16787 co-relation queries the response was YES. [2021-03-26 10:12:09,710 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2424 conditions, 584 events. 277/584 cut-off events. For 16156/16787 co-relation queries the response was YES. Maximal size of possible extension queue 125. Compared 3714 event pairs, 0 based on Foata normal form. 62/538 useless extension candidates. Maximal degree in co-relation 2385. Up to 238 conditions per place. [2021-03-26 10:12:09,711 INFO L132 encePairwiseOnDemand]: 202/205 looper letters, 3 selfloop transitions, 1 changer transitions 10/52 dead transitions. [2021-03-26 10:12:09,711 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 52 transitions, 402 flow [2021-03-26 10:12:09,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-26 10:12:09,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-26 10:12:09,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 718 transitions. [2021-03-26 10:12:09,716 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.875609756097561 [2021-03-26 10:12:09,716 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 718 transitions. [2021-03-26 10:12:09,717 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 718 transitions. [2021-03-26 10:12:09,717 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:12:09,717 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 718 transitions. [2021-03-26 10:12:09,719 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 179.5) internal successors, (718), 4 states have internal predecessors, (718), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:12:09,720 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 205.0) internal successors, (1025), 5 states have internal predecessors, (1025), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:12:09,720 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 205.0) internal successors, (1025), 5 states have internal predecessors, (1025), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:12:09,720 INFO L185 Difference]: Start difference. First operand has 88 places, 63 transitions, 506 flow. Second operand 4 states and 718 transitions. [2021-03-26 10:12:09,720 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 52 transitions, 402 flow [2021-03-26 10:12:09,731 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 52 transitions, 315 flow, removed 28 selfloop flow, removed 13 redundant places. [2021-03-26 10:12:09,732 INFO L241 Difference]: Finished difference. Result has 70 places, 42 transitions, 242 flow [2021-03-26 10:12:09,733 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=205, PETRI_DIFFERENCE_MINUEND_FLOW=303, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=51, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=242, PETRI_PLACES=70, PETRI_TRANSITIONS=42} [2021-03-26 10:12:09,733 INFO L343 CegarLoopForPetriNet]: 57 programPoint places, 13 predicate places. [2021-03-26 10:12:09,733 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:12:09,733 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 70 places, 42 transitions, 242 flow [2021-03-26 10:12:09,733 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 70 places, 42 transitions, 242 flow [2021-03-26 10:12:09,734 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 65 places, 42 transitions, 242 flow [2021-03-26 10:12:09,745 INFO L129 PetriNetUnfolder]: 55/138 cut-off events. [2021-03-26 10:12:09,745 INFO L130 PetriNetUnfolder]: For 643/687 co-relation queries the response was YES. [2021-03-26 10:12:09,745 INFO L84 FinitePrefix]: Finished finitePrefix Result has 432 conditions, 138 events. 55/138 cut-off events. For 643/687 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 579 event pairs, 0 based on Foata normal form. 9/133 useless extension candidates. Maximal degree in co-relation 404. Up to 44 conditions per place. [2021-03-26 10:12:09,746 INFO L142 LiptonReduction]: Number of co-enabled transitions 422 [2021-03-26 10:12:09,822 INFO L154 LiptonReduction]: Checked pairs total: 66 [2021-03-26 10:12:09,822 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-26 10:12:09,822 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 89 [2021-03-26 10:12:09,823 INFO L480 AbstractCegarLoop]: Abstraction has has 63 places, 40 transitions, 240 flow [2021-03-26 10:12:09,828 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 179.0) internal successors, (716), 4 states have internal predecessors, (716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:12:09,828 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:12:09,828 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:12:09,828 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-03-26 10:12:09,828 INFO L428 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:12:09,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:12:09,828 INFO L82 PathProgramCache]: Analyzing trace with hash 788392885, now seen corresponding path program 1 times [2021-03-26 10:12:09,828 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:12:09,829 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171840262] [2021-03-26 10:12:09,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:12:09,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-26 10:12:09,853 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-26 10:12:09,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-26 10:12:09,889 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-26 10:12:09,940 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-03-26 10:12:09,940 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-03-26 10:12:09,941 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-03-26 10:12:10,063 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.03 10:12:10 BasicIcfg [2021-03-26 10:12:10,064 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-26 10:12:10,064 INFO L168 Benchmark]: Toolchain (without parser) took 28086.44 ms. Allocated memory was 255.9 MB in the beginning and 805.3 MB in the end (delta: 549.5 MB). Free memory was 234.6 MB in the beginning and 327.9 MB in the end (delta: -93.3 MB). Peak memory consumption was 455.7 MB. Max. memory is 16.0 GB. [2021-03-26 10:12:10,064 INFO L168 Benchmark]: CDTParser took 0.50 ms. Allocated memory is still 255.9 MB. Free memory was 238.2 MB in the beginning and 238.0 MB in the end (delta: 176.9 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-26 10:12:10,065 INFO L168 Benchmark]: CACSL2BoogieTranslator took 573.66 ms. Allocated memory was 255.9 MB in the beginning and 385.9 MB in the end (delta: 130.0 MB). Free memory was 234.0 MB in the beginning and 345.4 MB in the end (delta: -111.4 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.0 GB. [2021-03-26 10:12:10,065 INFO L168 Benchmark]: Boogie Procedure Inliner took 81.58 ms. Allocated memory is still 385.9 MB. Free memory was 345.4 MB in the beginning and 342.0 MB in the end (delta: 3.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-26 10:12:10,065 INFO L168 Benchmark]: Boogie Preprocessor took 55.67 ms. Allocated memory is still 385.9 MB. Free memory was 342.0 MB in the beginning and 339.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-26 10:12:10,065 INFO L168 Benchmark]: RCFGBuilder took 1717.70 ms. Allocated memory is still 385.9 MB. Free memory was 339.9 MB in the beginning and 260.4 MB in the end (delta: 79.5 MB). Peak memory consumption was 84.0 MB. Max. memory is 16.0 GB. [2021-03-26 10:12:10,066 INFO L168 Benchmark]: TraceAbstraction took 25651.70 ms. Allocated memory was 385.9 MB in the beginning and 805.3 MB in the end (delta: 419.4 MB). Free memory was 260.4 MB in the beginning and 327.9 MB in the end (delta: -67.4 MB). Peak memory consumption was 352.0 MB. Max. memory is 16.0 GB. [2021-03-26 10:12:10,067 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.50 ms. Allocated memory is still 255.9 MB. Free memory was 238.2 MB in the beginning and 238.0 MB in the end (delta: 176.9 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 573.66 ms. Allocated memory was 255.9 MB in the beginning and 385.9 MB in the end (delta: 130.0 MB). Free memory was 234.0 MB in the beginning and 345.4 MB in the end (delta: -111.4 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 81.58 ms. Allocated memory is still 385.9 MB. Free memory was 345.4 MB in the beginning and 342.0 MB in the end (delta: 3.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 55.67 ms. Allocated memory is still 385.9 MB. Free memory was 342.0 MB in the beginning and 339.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 1717.70 ms. Allocated memory is still 385.9 MB. Free memory was 339.9 MB in the beginning and 260.4 MB in the end (delta: 79.5 MB). Peak memory consumption was 84.0 MB. Max. memory is 16.0 GB. * TraceAbstraction took 25651.70 ms. Allocated memory was 385.9 MB in the beginning and 805.3 MB in the end (delta: 419.4 MB). Free memory was 260.4 MB in the beginning and 327.9 MB in the end (delta: -67.4 MB). Peak memory consumption was 352.0 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 8442.9ms, 123 PlacesBefore, 57 PlacesAfterwards, 112 TransitionsBefore, 45 TransitionsAfterwards, 2598 CoEnabledTransitionPairs, 6 FixpointIterations, 31 TrivialSequentialCompositions, 41 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 2 ConcurrentYvCompositions, 1 ChoiceCompositions, 75 TotalNumberOfCompositions, 4306 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2431, positive: 2328, positive conditional: 2328, positive unconditional: 0, negative: 103, negative conditional: 103, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2431, positive: 2328, positive conditional: 0, positive unconditional: 2328, negative: 103, negative conditional: 0, negative unconditional: 103, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2431, positive: 2328, positive conditional: 0, positive unconditional: 2328, negative: 103, negative conditional: 0, negative unconditional: 103, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1725, positive: 1685, positive conditional: 0, positive unconditional: 1685, negative: 40, negative conditional: 0, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1725, positive: 1672, positive conditional: 0, positive unconditional: 1672, negative: 53, negative conditional: 0, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 53, positive: 13, positive conditional: 0, positive unconditional: 13, negative: 40, negative conditional: 0, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 620, positive: 35, positive conditional: 0, positive unconditional: 35, negative: 585, negative conditional: 0, negative unconditional: 585, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2431, positive: 643, positive conditional: 0, positive unconditional: 643, negative: 63, negative conditional: 0, negative unconditional: 63, unknown: 1725, unknown conditional: 0, unknown unconditional: 1725] , Statistics on independence cache: Total cache size (in pairs): 1725, Positive cache size: 1685, Positive conditional cache size: 0, Positive unconditional cache size: 1685, Negative cache size: 40, Negative conditional cache size: 0, Negative unconditional cache size: 40, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4786.9ms, 53 PlacesBefore, 37 PlacesAfterwards, 37 TransitionsBefore, 26 TransitionsAfterwards, 392 CoEnabledTransitionPairs, 5 FixpointIterations, 9 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 11 TotalNumberOfCompositions, 1982 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 592, positive: 478, positive conditional: 478, positive unconditional: 0, negative: 114, negative conditional: 114, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 592, positive: 478, positive conditional: 21, positive unconditional: 457, negative: 114, negative conditional: 2, negative unconditional: 112, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 592, positive: 478, positive conditional: 21, positive unconditional: 457, negative: 114, negative conditional: 2, negative unconditional: 112, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 80, positive: 65, positive conditional: 6, positive unconditional: 59, negative: 15, negative conditional: 2, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 80, positive: 59, positive conditional: 0, positive unconditional: 59, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 21, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 15, negative conditional: 2, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 339, positive: 89, positive conditional: 0, positive unconditional: 89, negative: 249, negative conditional: 31, negative unconditional: 218, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 592, positive: 413, positive conditional: 15, positive unconditional: 398, negative: 99, negative conditional: 0, negative unconditional: 99, unknown: 80, unknown conditional: 8, unknown unconditional: 72] , Statistics on independence cache: Total cache size (in pairs): 1805, Positive cache size: 1750, Positive conditional cache size: 6, Positive unconditional cache size: 1744, Negative cache size: 55, Negative conditional cache size: 2, Negative unconditional cache size: 53, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 45.0ms, 38 PlacesBefore, 38 PlacesAfterwards, 28 TransitionsBefore, 28 TransitionsAfterwards, 376 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 351 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 99, positive: 79, positive conditional: 79, positive unconditional: 0, negative: 20, negative conditional: 20, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 99, positive: 79, positive conditional: 0, positive unconditional: 79, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 99, positive: 79, positive conditional: 0, positive unconditional: 79, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 12, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 12, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 37, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 37, negative conditional: 0, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 99, positive: 69, positive conditional: 0, positive unconditional: 69, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 12, unknown conditional: 0, unknown unconditional: 12] , Statistics on independence cache: Total cache size (in pairs): 1817, Positive cache size: 1760, Positive conditional cache size: 6, Positive unconditional cache size: 1754, Negative cache size: 57, Negative conditional cache size: 2, Negative unconditional cache size: 55, Eliminated conditions: 5 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 33.3ms, 40 PlacesBefore, 40 PlacesAfterwards, 30 TransitionsBefore, 30 TransitionsAfterwards, 430 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 275 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 51, positive: 36, positive conditional: 36, positive unconditional: 0, negative: 15, negative conditional: 15, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 51, positive: 36, positive conditional: 0, positive unconditional: 36, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 51, positive: 36, positive conditional: 0, positive unconditional: 36, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 22, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 51, positive: 34, positive conditional: 0, positive unconditional: 34, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , Statistics on independence cache: Total cache size (in pairs): 1820, Positive cache size: 1762, Positive conditional cache size: 6, Positive unconditional cache size: 1756, Negative cache size: 58, Negative conditional cache size: 2, Negative unconditional cache size: 56, Eliminated conditions: 5 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 264.9ms, 42 PlacesBefore, 42 PlacesAfterwards, 30 TransitionsBefore, 30 TransitionsAfterwards, 430 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 382 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 94, positive: 74, positive conditional: 74, positive unconditional: 0, negative: 20, negative conditional: 20, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 94, positive: 74, positive conditional: 0, positive unconditional: 74, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 94, positive: 74, positive conditional: 0, positive unconditional: 74, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 11, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 11, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 7, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 253, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 253, negative conditional: 0, negative unconditional: 253, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 94, positive: 70, positive conditional: 0, positive unconditional: 70, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 11, unknown conditional: 0, unknown unconditional: 11] , Statistics on independence cache: Total cache size (in pairs): 1831, Positive cache size: 1766, Positive conditional cache size: 6, Positive unconditional cache size: 1760, Negative cache size: 65, Negative conditional cache size: 2, Negative unconditional cache size: 63, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 10.3ms, 44 PlacesBefore, 44 PlacesAfterwards, 30 TransitionsBefore, 30 TransitionsAfterwards, 428 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 364 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 80, positive: 61, positive conditional: 61, positive unconditional: 0, negative: 19, negative conditional: 19, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 80, positive: 61, positive conditional: 0, positive unconditional: 61, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 80, positive: 61, positive conditional: 0, positive unconditional: 61, negative: 19, negative conditional: 0, negative unconditional: 19, 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: 80, positive: 61, positive conditional: 0, positive unconditional: 61, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1831, Positive cache size: 1766, Positive conditional cache size: 6, Positive unconditional cache size: 1760, Negative cache size: 65, Negative conditional cache size: 2, Negative unconditional cache size: 63, Eliminated conditions: 13 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 20.4ms, 47 PlacesBefore, 47 PlacesAfterwards, 34 TransitionsBefore, 34 TransitionsAfterwards, 510 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 360 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 116, positive: 99, positive conditional: 99, positive unconditional: 0, negative: 17, negative conditional: 17, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 116, positive: 99, positive conditional: 4, positive unconditional: 95, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 116, positive: 99, positive conditional: 4, positive unconditional: 95, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 1, positive unconditional: 4, 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: 5, positive: 5, positive conditional: 0, positive unconditional: 5, 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: 116, positive: 94, positive conditional: 3, positive unconditional: 91, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 5, unknown conditional: 1, unknown unconditional: 4] , Statistics on independence cache: Total cache size (in pairs): 1836, Positive cache size: 1771, Positive conditional cache size: 7, Positive unconditional cache size: 1764, Negative cache size: 65, Negative conditional cache size: 2, Negative unconditional cache size: 63, Eliminated conditions: 17 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 62.1ms, 53 PlacesBefore, 53 PlacesAfterwards, 40 TransitionsBefore, 40 TransitionsAfterwards, 616 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 388 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 166, positive: 150, positive conditional: 150, positive unconditional: 0, negative: 16, negative conditional: 16, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 166, positive: 150, positive conditional: 53, positive unconditional: 97, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 166, positive: 150, positive conditional: 53, positive unconditional: 97, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6, positive: 6, positive conditional: 1, positive unconditional: 5, 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: 6, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.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.Query Time [ms]: [ total: 3, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 166, positive: 144, positive conditional: 52, positive unconditional: 92, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 6, unknown conditional: 1, unknown unconditional: 5] , Statistics on independence cache: Total cache size (in pairs): 1842, Positive cache size: 1777, Positive conditional cache size: 8, Positive unconditional cache size: 1769, Negative cache size: 65, Negative conditional cache size: 2, Negative unconditional cache size: 63, Eliminated conditions: 24 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 58.0ms, 57 PlacesBefore, 57 PlacesAfterwards, 42 TransitionsBefore, 42 TransitionsAfterwards, 650 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 411 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 149, positive: 132, positive conditional: 132, positive unconditional: 0, negative: 17, negative conditional: 17, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 149, positive: 132, positive conditional: 49, positive unconditional: 83, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 149, positive: 132, positive conditional: 49, positive unconditional: 83, negative: 17, negative conditional: 0, negative unconditional: 17, 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: 149, positive: 132, positive conditional: 49, positive unconditional: 83, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1842, Positive cache size: 1777, Positive conditional cache size: 8, Positive unconditional cache size: 1769, Negative cache size: 65, Negative conditional cache size: 2, Negative unconditional cache size: 63, Eliminated conditions: 18 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 43.6ms, 59 PlacesBefore, 59 PlacesAfterwards, 46 TransitionsBefore, 46 TransitionsAfterwards, 722 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 539 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 195, positive: 174, positive conditional: 174, positive unconditional: 0, negative: 21, negative conditional: 21, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 195, positive: 174, positive conditional: 58, positive unconditional: 116, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 195, positive: 174, positive conditional: 58, positive unconditional: 116, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 195, positive: 173, positive conditional: 58, positive unconditional: 115, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 1843, Positive cache size: 1778, Positive conditional cache size: 8, Positive unconditional cache size: 1770, Negative cache size: 65, Negative conditional cache size: 2, Negative unconditional cache size: 63, Eliminated conditions: 24 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 45.9ms, 64 PlacesBefore, 64 PlacesAfterwards, 47 TransitionsBefore, 47 TransitionsAfterwards, 744 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 606 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 182, positive: 157, positive conditional: 157, positive unconditional: 0, negative: 25, negative conditional: 25, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 182, positive: 157, positive conditional: 46, positive unconditional: 111, negative: 25, negative conditional: 0, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 182, positive: 157, positive conditional: 46, positive unconditional: 111, negative: 25, negative conditional: 0, negative unconditional: 25, 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: 182, positive: 157, positive conditional: 46, positive unconditional: 111, negative: 25, negative conditional: 0, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1843, Positive cache size: 1778, Positive conditional cache size: 8, Positive unconditional cache size: 1770, Negative cache size: 65, Negative conditional cache size: 2, Negative unconditional cache size: 63, Eliminated conditions: 17 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 761.7ms, 67 PlacesBefore, 67 PlacesAfterwards, 49 TransitionsBefore, 49 TransitionsAfterwards, 776 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 1201 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 382, positive: 334, positive conditional: 334, positive unconditional: 0, negative: 48, negative conditional: 48, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 382, positive: 334, positive conditional: 136, positive unconditional: 198, negative: 48, negative conditional: 0, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 382, positive: 334, positive conditional: 136, positive unconditional: 198, negative: 48, negative conditional: 0, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 0, positive unconditional: 4, 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: 4, positive: 4, positive conditional: 0, positive unconditional: 4, 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: 382, positive: 330, positive conditional: 136, positive unconditional: 194, negative: 48, negative conditional: 0, negative unconditional: 48, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , Statistics on independence cache: Total cache size (in pairs): 1847, Positive cache size: 1782, Positive conditional cache size: 8, Positive unconditional cache size: 1774, Negative cache size: 65, Negative conditional cache size: 2, Negative unconditional cache size: 63, Eliminated conditions: 56 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 266.3ms, 71 PlacesBefore, 71 PlacesAfterwards, 58 TransitionsBefore, 58 TransitionsAfterwards, 1036 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 287 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 126, positive: 117, positive conditional: 117, positive unconditional: 0, negative: 9, negative conditional: 9, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 126, positive: 117, positive conditional: 63, positive unconditional: 54, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 126, positive: 117, positive conditional: 63, positive unconditional: 54, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 7, positive: 7, positive conditional: 4, positive unconditional: 3, 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: 7, positive: 7, positive conditional: 0, positive unconditional: 7, 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: 126, positive: 110, positive conditional: 59, positive unconditional: 51, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 7, unknown conditional: 4, unknown unconditional: 3] , Statistics on independence cache: Total cache size (in pairs): 1854, Positive cache size: 1789, Positive conditional cache size: 12, Positive unconditional cache size: 1777, Negative cache size: 65, Negative conditional cache size: 2, Negative unconditional cache size: 63, Eliminated conditions: 15 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 154.5ms, 79 PlacesBefore, 79 PlacesAfterwards, 67 TransitionsBefore, 67 TransitionsAfterwards, 1230 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 338 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 126, positive: 117, positive conditional: 117, positive unconditional: 0, negative: 9, negative conditional: 9, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 126, positive: 117, positive conditional: 69, positive unconditional: 48, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 126, positive: 117, positive conditional: 69, positive unconditional: 48, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 126, positive: 115, positive conditional: 69, positive unconditional: 46, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 1856, Positive cache size: 1791, Positive conditional cache size: 12, Positive unconditional cache size: 1779, Negative cache size: 65, Negative conditional cache size: 2, Negative unconditional cache size: 63, Eliminated conditions: 15 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 275.4ms, 79 PlacesBefore, 79 PlacesAfterwards, 67 TransitionsBefore, 67 TransitionsAfterwards, 1230 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 338 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 134, positive: 125, positive conditional: 125, positive unconditional: 0, negative: 9, negative conditional: 9, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 134, positive: 125, positive conditional: 72, positive unconditional: 53, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 134, positive: 125, positive conditional: 72, positive unconditional: 53, negative: 9, negative conditional: 0, negative unconditional: 9, 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: 134, positive: 125, positive conditional: 72, positive unconditional: 53, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1856, Positive cache size: 1791, Positive conditional cache size: 12, Positive unconditional cache size: 1779, Negative cache size: 65, Negative conditional cache size: 2, Negative unconditional cache size: 63, Eliminated conditions: 15 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 123.5ms, 86 PlacesBefore, 86 PlacesAfterwards, 70 TransitionsBefore, 70 TransitionsAfterwards, 1294 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 356 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 146, positive: 137, positive conditional: 137, positive unconditional: 0, negative: 9, negative conditional: 9, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 146, positive: 137, positive conditional: 93, positive unconditional: 44, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 146, positive: 137, positive conditional: 93, positive unconditional: 44, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 4, 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: 4, positive: 4, positive conditional: 0, positive unconditional: 4, 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: 146, positive: 133, positive conditional: 89, positive unconditional: 44, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1860, Positive cache size: 1795, Positive conditional cache size: 16, Positive unconditional cache size: 1779, Negative cache size: 65, Negative conditional cache size: 2, Negative unconditional cache size: 63, Eliminated conditions: 15 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4525.7ms, 91 PlacesBefore, 88 PlacesAfterwards, 69 TransitionsBefore, 63 TransitionsAfterwards, 1268 CoEnabledTransitionPairs, 3 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 4 ConcurrentYvCompositions, 0 ChoiceCompositions, 6 TotalNumberOfCompositions, 985 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 453, positive: 429, positive conditional: 429, positive unconditional: 0, negative: 24, negative conditional: 24, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 453, positive: 429, positive conditional: 299, positive unconditional: 130, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 453, positive: 429, positive conditional: 299, positive unconditional: 130, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 14, positive: 14, positive conditional: 13, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 14, positive: 14, positive conditional: 0, positive unconditional: 14, 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: 453, positive: 415, positive conditional: 286, positive unconditional: 129, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 14, unknown conditional: 13, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 1874, Positive cache size: 1809, Positive conditional cache size: 29, Positive unconditional cache size: 1780, Negative cache size: 65, Negative conditional cache size: 2, Negative unconditional cache size: 63, Eliminated conditions: 54 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 88.8ms, 70 PlacesBefore, 63 PlacesAfterwards, 42 TransitionsBefore, 40 TransitionsAfterwards, 422 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 3 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 66 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 66, positive: 66, positive conditional: 66, 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: 66, positive: 66, positive conditional: 22, positive unconditional: 44, 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: 66, positive: 66, positive conditional: 22, positive unconditional: 44, 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: 7, positive: 7, positive conditional: 1, positive unconditional: 6, 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: 7, positive: 7, positive conditional: 0, positive unconditional: 7, 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: 66, positive: 59, positive conditional: 21, positive unconditional: 38, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 7, unknown conditional: 1, unknown unconditional: 6] , Statistics on independence cache: Total cache size (in pairs): 1881, Positive cache size: 1816, Positive conditional cache size: 30, Positive unconditional cache size: 1786, Negative cache size: 65, Negative conditional cache size: 2, Negative unconditional cache size: 63, Eliminated conditions: 34 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L710] 0 int __unbuffered_cnt = 0; [L712] 0 int __unbuffered_p3_EAX = 0; [L714] 0 int __unbuffered_p3_EBX = 0; [L716] 0 int a = 0; [L718] 0 int b = 0; [L719] 0 _Bool main$tmp_guard0; [L720] 0 _Bool main$tmp_guard1; [L722] 0 int x = 0; [L724] 0 int y = 0; [L726] 0 int z = 0; [L727] 0 _Bool z$flush_delayed; [L728] 0 int z$mem_tmp; [L729] 0 _Bool z$r_buff0_thd0; [L730] 0 _Bool z$r_buff0_thd1; [L731] 0 _Bool z$r_buff0_thd2; [L732] 0 _Bool z$r_buff0_thd3; [L733] 0 _Bool z$r_buff0_thd4; [L734] 0 _Bool z$r_buff1_thd0; [L735] 0 _Bool z$r_buff1_thd1; [L736] 0 _Bool z$r_buff1_thd2; [L737] 0 _Bool z$r_buff1_thd3; [L738] 0 _Bool z$r_buff1_thd4; [L739] 0 _Bool z$read_delayed; [L740] 0 int *z$read_delayed_var; [L741] 0 int z$w_buff0; [L742] 0 _Bool z$w_buff0_used; [L743] 0 int z$w_buff1; [L744] 0 _Bool z$w_buff1_used; [L745] 0 _Bool weak$$choice0; [L746] 0 _Bool weak$$choice2; [L844] 0 pthread_t t1277; [L845] FCALL, FORK 0 pthread_create(&t1277, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L846] 0 pthread_t t1278; [L847] FCALL, FORK 0 pthread_create(&t1278, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L848] 0 pthread_t t1279; [L849] FCALL, FORK 0 pthread_create(&t1279, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L850] 0 pthread_t t1280; [L851] FCALL, FORK 0 pthread_create(&t1280, ((void *)0), P3, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L800] 4 z$w_buff1 = z$w_buff0 [L801] 4 z$w_buff0 = 2 [L802] 4 z$w_buff1_used = z$w_buff0_used [L803] 4 z$w_buff0_used = (_Bool)1 [L18] COND FALSE 4 !(!expression) [L805] 4 z$r_buff1_thd0 = z$r_buff0_thd0 [L806] 4 z$r_buff1_thd1 = z$r_buff0_thd1 [L807] 4 z$r_buff1_thd2 = z$r_buff0_thd2 [L808] 4 z$r_buff1_thd3 = z$r_buff0_thd3 [L809] 4 z$r_buff1_thd4 = z$r_buff0_thd4 [L810] 4 z$r_buff0_thd4 = (_Bool)1 [L813] 4 a = 1 [L816] 4 __unbuffered_p3_EAX = a VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L819] 4 __unbuffered_p3_EBX = b VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L750] 1 b = 1 VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L753] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L758] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L760] 1 return 0; [L765] 2 x = 2 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L768] 2 y = 1 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L780] 3 y = 2 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L783] 3 z = 1 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L822] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd4 ? z$w_buff1 : z) [L822] 4 z = z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd4 ? z$w_buff1 : z) [L823] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used [L823] 4 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used [L824] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$w_buff1_used [L824] 4 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$w_buff1_used [L825] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4 [L825] 4 z$r_buff0_thd4 = z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4 [L826] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$r_buff1_thd4 [L826] 4 z$r_buff1_thd4 = z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$r_buff1_thd4 [L773] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L775] 2 return 0; [L786] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L786] EXPR 3 z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z [L786] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L786] 3 z = z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L787] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used [L787] 3 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used [L788] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$w_buff1_used [L788] 3 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$w_buff1_used [L789] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3 [L789] 3 z$r_buff0_thd3 = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3 [L790] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$r_buff1_thd3 [L790] 3 z$r_buff1_thd3 = z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$r_buff1_thd3 [L793] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L795] 3 return 0; [L829] 4 __unbuffered_cnt = __unbuffered_cnt + 1 [L831] 4 return 0; [L853] 0 main$tmp_guard0 = __unbuffered_cnt == 4 [L3] COND FALSE 0 !(!cond) [L857] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L857] EXPR 0 z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z [L857] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L857] 0 z = z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L858] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L858] 0 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L859] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L859] 0 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L860] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L860] 0 z$r_buff0_thd0 = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L861] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 [L861] 0 z$r_buff1_thd0 = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 [L864] 0 weak$$choice0 = __VERIFIER_nondet_bool() [L865] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L866] 0 z$flush_delayed = weak$$choice2 [L867] 0 z$mem_tmp = z [L868] EXPR 0 !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff1) [L868] 0 z = !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff1) [L869] EXPR 0 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff0)) [L869] EXPR 0 !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff0) [L869] EXPR 0 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff0)) [L869] 0 z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff0)) [L870] EXPR 0 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff1 : z$w_buff1)) [L870] EXPR 0 !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff1 : z$w_buff1) [L870] EXPR 0 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff1 : z$w_buff1)) [L870] 0 z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff1 : z$w_buff1)) [L871] EXPR 0 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used)) [L871] EXPR 0 !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used) [L871] EXPR 0 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used)) [L871] 0 z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used)) [L872] EXPR 0 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L872] EXPR 0 !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0) [L872] EXPR 0 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L872] 0 z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L873] EXPR 0 weak$$choice2 ? z$r_buff0_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff0_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0)) [L873] EXPR 0 !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff0_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0) [L873] EXPR 0 weak$$choice2 ? z$r_buff0_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff0_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0)) [L873] 0 z$r_buff0_thd0 = weak$$choice2 ? z$r_buff0_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff0_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0)) [L874] EXPR 0 weak$$choice2 ? z$r_buff1_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff1_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L874] EXPR 0 !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff1_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0) [L874] EXPR 0 weak$$choice2 ? z$r_buff1_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff1_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L874] 0 z$r_buff1_thd0 = weak$$choice2 ? z$r_buff1_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff1_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L875] 0 main$tmp_guard1 = !(x == 2 && y == 2 && z == 2 && __unbuffered_p3_EAX == 1 && __unbuffered_p3_EBX == 0) [L876] EXPR 0 z$flush_delayed ? z$mem_tmp : z [L876] 0 z = z$flush_delayed ? z$mem_tmp : z [L877] 0 z$flush_delayed = (_Bool)0 [L18] COND TRUE 0 !expression [L18] 0 reach_error() VAL [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=51, weak$$choice2=0, x=2, y=2, z=2, z$flush_delayed=0, z$mem_tmp=2, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 115 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 5.3ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 25413.9ms, OverallIterations: 18, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 2796.8ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 8529.4ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 61 SDtfs, 46 SDslu, 25 SDs, 0 SdLazy, 403 SolverSat, 134 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 510.2ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 75 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 937.3ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=610occurred in iteration=15, InterpolantAutomatonStates: 83, 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: 53.5ms SsaConstructionTime, 588.3ms SatisfiabilityAnalysisTime, 1500.8ms InterpolantComputationTime, 307 NumberOfCodeBlocks, 307 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 267 ConstructedInterpolants, 0 QuantifiedInterpolants, 1885 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 17 InterpolantComputations, 17 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...