/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-RepeatedSemanticLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe017_pso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239 [2021-03-25 14:55:40,222 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-25 14:55:40,225 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-25 14:55:40,269 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-25 14:55:40,269 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-25 14:55:40,273 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-25 14:55:40,275 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-25 14:55:40,281 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-25 14:55:40,283 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-25 14:55:40,288 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-25 14:55:40,289 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-25 14:55:40,290 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-25 14:55:40,290 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-25 14:55:40,292 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-25 14:55:40,294 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-25 14:55:40,295 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-25 14:55:40,298 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-25 14:55:40,299 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-25 14:55:40,302 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-25 14:55:40,313 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-25 14:55:40,314 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-25 14:55:40,316 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-25 14:55:40,317 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-25 14:55:40,319 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-25 14:55:40,325 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-03-25 14:55:40,333 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-25 14:55:40,334 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-25 14:55:40,335 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-25 14:55:40,339 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-RepeatedSemanticLbe.epf [2021-03-25 14:55:40,378 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-25 14:55:40,378 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-25 14:55:40,382 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-25 14:55:40,382 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-25 14:55:40,382 INFO L138 SettingsManager]: * Use SBE=true [2021-03-25 14:55:40,382 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-25 14:55:40,383 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-25 14:55:40,383 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-25 14:55:40,383 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-25 14:55:40,383 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-25 14:55:40,384 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-25 14:55:40,384 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-25 14:55:40,384 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-25 14:55:40,384 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-25 14:55:40,384 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-25 14:55:40,385 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-25 14:55:40,385 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-25 14:55:40,385 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-25 14:55:40,385 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-25 14:55:40,385 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-25 14:55:40,385 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-25 14:55:40,386 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-25 14:55:40,386 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-25 14:55:40,386 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-25 14:55:40,386 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-25 14:55:40,386 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-25 14:55:40,386 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-25 14:55:40,386 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-25 14:55:40,387 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-03-25 14:55:40,387 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-25 14:55:40,678 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-25 14:55:40,707 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-25 14:55:40,710 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-25 14:55:40,710 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-25 14:55:40,711 INFO L275 PluginConnector]: CDTParser initialized [2021-03-25 14:55:40,712 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe017_pso.opt.i [2021-03-25 14:55:40,793 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c72de409b/6609ee2804a648528e9b9ce5732cbc87/FLAGe68de7bc2 [2021-03-25 14:55:41,306 INFO L306 CDTParser]: Found 1 translation units. [2021-03-25 14:55:41,307 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe017_pso.opt.i [2021-03-25 14:55:41,320 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c72de409b/6609ee2804a648528e9b9ce5732cbc87/FLAGe68de7bc2 [2021-03-25 14:55:41,754 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c72de409b/6609ee2804a648528e9b9ce5732cbc87 [2021-03-25 14:55:41,756 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-25 14:55:41,756 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-25 14:55:41,758 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-25 14:55:41,758 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-25 14:55:41,764 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-25 14:55:41,765 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.03 02:55:41" (1/1) ... [2021-03-25 14:55:41,766 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a7ab30e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:55:41, skipping insertion in model container [2021-03-25 14:55:41,766 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.03 02:55:41" (1/1) ... [2021-03-25 14:55:41,771 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-25 14:55:41,805 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-25 14:55:41,915 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/safe017_pso.opt.i[949,962] [2021-03-25 14:55:42,083 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-25 14:55:42,090 INFO L203 MainTranslator]: Completed pre-run [2021-03-25 14:55:42,099 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/safe017_pso.opt.i[949,962] [2021-03-25 14:55:42,142 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-25 14:55:42,215 INFO L208 MainTranslator]: Completed translation [2021-03-25 14:55:42,215 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:55:42 WrapperNode [2021-03-25 14:55:42,215 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-25 14:55:42,217 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-25 14:55:42,217 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-25 14:55:42,217 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-25 14:55:42,224 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:55:42" (1/1) ... [2021-03-25 14:55:42,245 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:55:42" (1/1) ... [2021-03-25 14:55:42,272 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-25 14:55:42,273 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-25 14:55:42,273 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-25 14:55:42,273 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-25 14:55:42,280 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:55:42" (1/1) ... [2021-03-25 14:55:42,281 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:55:42" (1/1) ... [2021-03-25 14:55:42,285 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:55:42" (1/1) ... [2021-03-25 14:55:42,285 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:55:42" (1/1) ... [2021-03-25 14:55:42,293 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:55:42" (1/1) ... [2021-03-25 14:55:42,296 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:55:42" (1/1) ... [2021-03-25 14:55:42,299 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:55:42" (1/1) ... [2021-03-25 14:55:42,304 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-25 14:55:42,305 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-25 14:55:42,305 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-25 14:55:42,305 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-25 14:55:42,306 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:55:42" (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 [2021-03-25 14:55:42,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-25 14:55:42,370 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-03-25 14:55:42,370 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-25 14:55:42,370 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-25 14:55:42,370 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-03-25 14:55:42,371 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-03-25 14:55:42,371 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-03-25 14:55:42,371 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-03-25 14:55:42,371 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-03-25 14:55:42,371 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-03-25 14:55:42,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-25 14:55:42,371 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-03-25 14:55:42,371 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-25 14:55:42,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-25 14:55:42,373 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-25 14:55:44,293 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-25 14:55:44,294 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-03-25 14:55:44,296 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.03 02:55:44 BoogieIcfgContainer [2021-03-25 14:55:44,296 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-25 14:55:44,298 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-25 14:55:44,298 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-25 14:55:44,301 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-25 14:55:44,301 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.03 02:55:41" (1/3) ... [2021-03-25 14:55:44,302 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f8400d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.03 02:55:44, skipping insertion in model container [2021-03-25 14:55:44,302 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 02:55:42" (2/3) ... [2021-03-25 14:55:44,302 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f8400d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.03 02:55:44, skipping insertion in model container [2021-03-25 14:55:44,302 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.03 02:55:44" (3/3) ... [2021-03-25 14:55:44,304 INFO L111 eAbstractionObserver]: Analyzing ICFG safe017_pso.opt.i [2021-03-25 14:55:44,311 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-25 14:55:44,316 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-03-25 14:55:44,316 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-25 14:55:44,350 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:55:44,351 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:55:44,351 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:55:44,351 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:55:44,351 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:55:44,351 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:55:44,351 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:55:44,351 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:55:44,352 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:55:44,352 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:55:44,352 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:55:44,352 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:55:44,352 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:55:44,352 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:55:44,352 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:55:44,353 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:55:44,353 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:55:44,353 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:55:44,353 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:55:44,353 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:55:44,353 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:55:44,353 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:55:44,353 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:55:44,354 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:55:44,355 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:55:44,355 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:55:44,355 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:55:44,355 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:55:44,355 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:55:44,355 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:55:44,356 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:55:44,356 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:55:44,356 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:55:44,356 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:55:44,357 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:55:44,357 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:55:44,357 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:55:44,357 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:55:44,358 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:55:44,358 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:55:44,358 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:55:44,358 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:55:44,359 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:55:44,359 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:55:44,359 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:55:44,359 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:55:44,359 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:55:44,359 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:55:44,359 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:55:44,360 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:55:44,360 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:55:44,360 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:55:44,360 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:55:44,360 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:55:44,360 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:55:44,360 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:55:44,361 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:55:44,361 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:55:44,361 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:55:44,361 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:55:44,362 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:55:44,362 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:55:44,362 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:55:44,362 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:55:44,362 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:55:44,362 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:55:44,363 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:55:44,363 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:55:44,363 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:55:44,363 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:55:44,363 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:55:44,363 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:55:44,363 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:55:44,363 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:55:44,363 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:55:44,364 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:55:44,365 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:55:44,365 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:55:44,365 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:55:44,365 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:55:44,365 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:55:44,365 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:55:44,366 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:55:44,366 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:55:44,366 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:55:44,366 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:55:44,368 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:55:44,368 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:55:44,368 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:55:44,368 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:55:44,368 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:55:44,369 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:55:44,369 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:55:44,369 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:55:44,369 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:55:44,369 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:55:44,371 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:55:44,371 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:55:44,371 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:55:44,371 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:55:44,371 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:55:44,372 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:55:44,372 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:55:44,372 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:55:44,372 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:55:44,372 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:55:44,373 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:55:44,374 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:55:44,374 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:55:44,374 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:55:44,374 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:55:44,374 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:55:44,374 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:55:44,374 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:55:44,375 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:55:44,375 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:55:44,375 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:55:44,375 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 14:55:44,380 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-25 14:55:44,397 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-03-25 14:55:44,428 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-25 14:55:44,428 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-25 14:55:44,428 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-25 14:55:44,428 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-25 14:55:44,428 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-25 14:55:44,428 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-25 14:55:44,428 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-25 14:55:44,428 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-25 14:55:44,441 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 103 places, 95 transitions, 205 flow [2021-03-25 14:55:44,484 INFO L129 PetriNetUnfolder]: 2/92 cut-off events. [2021-03-25 14:55:44,485 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 14:55:44,496 INFO L84 FinitePrefix]: Finished finitePrefix Result has 102 conditions, 92 events. 2/92 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 61 event pairs, 0 based on Foata normal form. 0/88 useless extension candidates. Maximal degree in co-relation 60. Up to 2 conditions per place. [2021-03-25 14:55:44,497 INFO L82 GeneralOperation]: Start removeDead. Operand has 103 places, 95 transitions, 205 flow [2021-03-25 14:55:44,500 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 100 places, 92 transitions, 193 flow [2021-03-25 14:55:44,502 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:55:44,517 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 100 places, 92 transitions, 193 flow [2021-03-25 14:55:44,519 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 100 places, 92 transitions, 193 flow [2021-03-25 14:55:44,521 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 100 places, 92 transitions, 193 flow [2021-03-25 14:55:44,536 INFO L129 PetriNetUnfolder]: 2/92 cut-off events. [2021-03-25 14:55:44,536 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 14:55:44,537 INFO L84 FinitePrefix]: Finished finitePrefix Result has 102 conditions, 92 events. 2/92 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 65 event pairs, 0 based on Foata normal form. 0/88 useless extension candidates. Maximal degree in co-relation 60. Up to 2 conditions per place. [2021-03-25 14:55:44,539 INFO L142 LiptonReduction]: Number of co-enabled transitions 1602 [2021-03-25 14:55:46,289 WARN L205 SmtUtils]: Spent 719.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 185 [2021-03-25 14:55:46,555 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 183 [2021-03-25 14:55:48,023 WARN L205 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 310 DAG size of output: 265 [2021-03-25 14:55:48,662 WARN L205 SmtUtils]: Spent 637.00 ms on a formula simplification that was a NOOP. DAG size: 262 [2021-03-25 14:55:48,918 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2021-03-25 14:55:49,286 WARN L205 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 81 [2021-03-25 14:55:49,395 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-03-25 14:55:50,590 WARN L205 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 185 [2021-03-25 14:55:50,891 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 185 [2021-03-25 14:55:51,520 WARN L205 SmtUtils]: Spent 626.00 ms on a formula simplification that was a NOOP. DAG size: 264 [2021-03-25 14:55:52,166 WARN L205 SmtUtils]: Spent 644.00 ms on a formula simplification that was a NOOP. DAG size: 264 [2021-03-25 14:55:52,465 INFO L154 LiptonReduction]: Checked pairs total: 2709 [2021-03-25 14:55:52,465 INFO L156 LiptonReduction]: Total number of compositions: 66 [2021-03-25 14:55:52,467 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 7966 [2021-03-25 14:55:52,479 INFO L129 PetriNetUnfolder]: 0/12 cut-off events. [2021-03-25 14:55:52,479 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 14:55:52,479 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:55:52,480 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:55:52,480 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:55:52,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:55:52,485 INFO L82 PathProgramCache]: Analyzing trace with hash 1950849355, now seen corresponding path program 1 times [2021-03-25 14:55:52,495 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:55:52,495 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1020407037] [2021-03-25 14:55:52,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:55:52,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:55:52,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:55:52,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 14:55:52,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:55:52,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:55:52,764 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:55:52,765 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1020407037] [2021-03-25 14:55:52,765 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:55:52,765 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-25 14:55:52,766 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537901716] [2021-03-25 14:55:52,773 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-25 14:55:52,774 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:55:52,783 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-25 14:55:52,785 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-25 14:55:52,786 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 137 out of 161 [2021-03-25 14:55:52,789 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 37 transitions, 83 flow. Second operand has 3 states, 3 states have (on average 137.66666666666666) internal successors, (413), 3 states have internal predecessors, (413), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:55:52,789 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:55:52,789 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 137 of 161 [2021-03-25 14:55:52,790 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:55:52,909 INFO L129 PetriNetUnfolder]: 69/176 cut-off events. [2021-03-25 14:55:52,909 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 14:55:52,911 INFO L84 FinitePrefix]: Finished finitePrefix Result has 304 conditions, 176 events. 69/176 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 797 event pairs, 54 based on Foata normal form. 9/164 useless extension candidates. Maximal degree in co-relation 284. Up to 89 conditions per place. [2021-03-25 14:55:52,913 INFO L132 encePairwiseOnDemand]: 157/161 looper letters, 9 selfloop transitions, 2 changer transitions 3/39 dead transitions. [2021-03-25 14:55:52,913 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 39 transitions, 113 flow [2021-03-25 14:55:52,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-25 14:55:52,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-25 14:55:52,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 427 transitions. [2021-03-25 14:55:52,932 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8840579710144928 [2021-03-25 14:55:52,933 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 427 transitions. [2021-03-25 14:55:52,934 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 427 transitions. [2021-03-25 14:55:52,937 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:55:52,939 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 427 transitions. [2021-03-25 14:55:52,945 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 142.33333333333334) internal successors, (427), 3 states have internal predecessors, (427), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:55:52,959 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 161.0) internal successors, (644), 4 states have internal predecessors, (644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:55:52,960 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 161.0) internal successors, (644), 4 states have internal predecessors, (644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:55:52,961 INFO L185 Difference]: Start difference. First operand has 46 places, 37 transitions, 83 flow. Second operand 3 states and 427 transitions. [2021-03-25 14:55:52,962 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 39 transitions, 113 flow [2021-03-25 14:55:52,964 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 39 transitions, 110 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-03-25 14:55:52,966 INFO L241 Difference]: Finished difference. Result has 43 places, 32 transitions, 74 flow [2021-03-25 14:55:52,968 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=74, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=74, PETRI_PLACES=43, PETRI_TRANSITIONS=32} [2021-03-25 14:55:52,969 INFO L343 CegarLoopForPetriNet]: 46 programPoint places, -3 predicate places. [2021-03-25 14:55:52,969 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:55:52,969 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 43 places, 32 transitions, 74 flow [2021-03-25 14:55:52,970 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 43 places, 32 transitions, 74 flow [2021-03-25 14:55:52,971 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 41 places, 32 transitions, 74 flow [2021-03-25 14:55:52,980 INFO L129 PetriNetUnfolder]: 0/32 cut-off events. [2021-03-25 14:55:52,981 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 14:55:52,982 INFO L84 FinitePrefix]: Finished finitePrefix Result has 42 conditions, 32 events. 0/32 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 30 event pairs, 0 based on Foata normal form. 0/31 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-03-25 14:55:52,983 INFO L142 LiptonReduction]: Number of co-enabled transitions 234 [2021-03-25 14:55:53,691 WARN L205 SmtUtils]: Spent 405.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2021-03-25 14:55:54,041 WARN L205 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2021-03-25 14:55:54,667 WARN L205 SmtUtils]: Spent 619.00 ms on a formula simplification that was a NOOP. DAG size: 265 [2021-03-25 14:55:55,324 WARN L205 SmtUtils]: Spent 651.00 ms on a formula simplification that was a NOOP. DAG size: 265 [2021-03-25 14:55:56,137 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 68 [2021-03-25 14:55:56,340 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 68 [2021-03-25 14:55:56,400 INFO L154 LiptonReduction]: Checked pairs total: 1040 [2021-03-25 14:55:56,400 INFO L156 LiptonReduction]: Total number of compositions: 10 [2021-03-25 14:55:56,400 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3431 [2021-03-25 14:55:56,401 INFO L480 AbstractCegarLoop]: Abstraction has has 31 places, 22 transitions, 54 flow [2021-03-25 14:55:56,402 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 137.66666666666666) internal successors, (413), 3 states have internal predecessors, (413), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:55:56,402 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:55:56,402 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:55:56,402 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-25 14:55:56,403 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:55:56,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:55:56,403 INFO L82 PathProgramCache]: Analyzing trace with hash 344608737, now seen corresponding path program 1 times [2021-03-25 14:55:56,403 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:55:56,403 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970204903] [2021-03-25 14:55:56,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:55:56,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:55:56,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:55:56,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 14:55:56,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:55:56,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:55:56,551 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-25 14:55:56,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 14:55:56,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:55:56,556 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970204903] [2021-03-25 14:55:56,556 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:55:56,556 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 14:55:56,557 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69828688] [2021-03-25 14:55:56,557 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-25 14:55:56,557 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:55:56,558 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-25 14:55:56,558 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-25 14:55:56,559 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 143 out of 171 [2021-03-25 14:55:56,559 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 31 places, 22 transitions, 54 flow. Second operand has 4 states, 4 states have (on average 143.75) internal successors, (575), 4 states have internal predecessors, (575), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:55:56,559 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:55:56,560 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 143 of 171 [2021-03-25 14:55:56,560 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:55:56,584 INFO L129 PetriNetUnfolder]: 12/53 cut-off events. [2021-03-25 14:55:56,584 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 14:55:56,584 INFO L84 FinitePrefix]: Finished finitePrefix Result has 90 conditions, 53 events. 12/53 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 164 event pairs, 2 based on Foata normal form. 1/49 useless extension candidates. Maximal degree in co-relation 80. Up to 25 conditions per place. [2021-03-25 14:55:56,585 INFO L132 encePairwiseOnDemand]: 167/171 looper letters, 5 selfloop transitions, 3 changer transitions 0/25 dead transitions. [2021-03-25 14:55:56,585 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 33 places, 25 transitions, 76 flow [2021-03-25 14:55:56,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-25 14:55:56,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-25 14:55:56,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 438 transitions. [2021-03-25 14:55:56,587 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8538011695906432 [2021-03-25 14:55:56,587 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 438 transitions. [2021-03-25 14:55:56,587 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 438 transitions. [2021-03-25 14:55:56,587 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:55:56,588 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 438 transitions. [2021-03-25 14:55:56,589 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 146.0) internal successors, (438), 3 states have internal predecessors, (438), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:55:56,590 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 171.0) internal successors, (684), 4 states have internal predecessors, (684), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:55:56,591 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 171.0) internal successors, (684), 4 states have internal predecessors, (684), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:55:56,591 INFO L185 Difference]: Start difference. First operand has 31 places, 22 transitions, 54 flow. Second operand 3 states and 438 transitions. [2021-03-25 14:55:56,591 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 33 places, 25 transitions, 76 flow [2021-03-25 14:55:56,591 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 31 places, 25 transitions, 72 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-25 14:55:56,592 INFO L241 Difference]: Finished difference. Result has 32 places, 24 transitions, 69 flow [2021-03-25 14:55:56,592 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=171, PETRI_DIFFERENCE_MINUEND_FLOW=50, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=22, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=69, PETRI_PLACES=32, PETRI_TRANSITIONS=24} [2021-03-25 14:55:56,592 INFO L343 CegarLoopForPetriNet]: 46 programPoint places, -14 predicate places. [2021-03-25 14:55:56,593 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:55:56,593 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 32 places, 24 transitions, 69 flow [2021-03-25 14:55:56,593 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 32 places, 24 transitions, 69 flow [2021-03-25 14:55:56,593 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 32 places, 24 transitions, 69 flow [2021-03-25 14:55:56,598 INFO L129 PetriNetUnfolder]: 3/32 cut-off events. [2021-03-25 14:55:56,598 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 14:55:56,599 INFO L84 FinitePrefix]: Finished finitePrefix Result has 53 conditions, 32 events. 3/32 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 62 event pairs, 1 based on Foata normal form. 0/29 useless extension candidates. Maximal degree in co-relation 44. Up to 10 conditions per place. [2021-03-25 14:55:56,599 INFO L142 LiptonReduction]: Number of co-enabled transitions 242 [2021-03-25 14:55:57,016 WARN L205 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 110 [2021-03-25 14:55:57,160 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-03-25 14:55:57,464 WARN L205 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 110 [2021-03-25 14:55:57,623 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-03-25 14:55:57,694 INFO L154 LiptonReduction]: Checked pairs total: 444 [2021-03-25 14:55:57,694 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 14:55:57,695 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1102 [2021-03-25 14:55:57,696 INFO L480 AbstractCegarLoop]: Abstraction has has 31 places, 23 transitions, 67 flow [2021-03-25 14:55:57,696 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 143.75) internal successors, (575), 4 states have internal predecessors, (575), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:55:57,696 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:55:57,696 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:55:57,696 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-25 14:55:57,697 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:55:57,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:55:57,697 INFO L82 PathProgramCache]: Analyzing trace with hash 1004352304, now seen corresponding path program 1 times [2021-03-25 14:55:57,697 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:55:57,697 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729053006] [2021-03-25 14:55:57,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:55:57,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:55:57,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:55:57,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:55:57,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:55:57,790 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1729053006] [2021-03-25 14:55:57,790 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:55:57,790 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-03-25 14:55:57,791 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1562945049] [2021-03-25 14:55:57,792 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-25 14:55:57,792 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:55:57,792 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-25 14:55:57,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-25 14:55:57,795 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 150 out of 172 [2021-03-25 14:55:57,796 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 31 places, 23 transitions, 67 flow. Second operand has 3 states, 3 states have (on average 150.66666666666666) internal successors, (452), 3 states have internal predecessors, (452), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:55:57,796 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:55:57,796 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 150 of 172 [2021-03-25 14:55:57,796 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:55:57,813 INFO L129 PetriNetUnfolder]: 3/31 cut-off events. [2021-03-25 14:55:57,814 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2021-03-25 14:55:57,814 INFO L84 FinitePrefix]: Finished finitePrefix Result has 58 conditions, 31 events. 3/31 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 60 event pairs, 1 based on Foata normal form. 1/29 useless extension candidates. Maximal degree in co-relation 48. Up to 10 conditions per place. [2021-03-25 14:55:57,814 INFO L132 encePairwiseOnDemand]: 169/172 looper letters, 1 selfloop transitions, 2 changer transitions 0/23 dead transitions. [2021-03-25 14:55:57,815 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 33 places, 23 transitions, 73 flow [2021-03-25 14:55:57,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-25 14:55:57,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-25 14:55:57,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 454 transitions. [2021-03-25 14:55:57,817 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8798449612403101 [2021-03-25 14:55:57,817 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 454 transitions. [2021-03-25 14:55:57,817 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 454 transitions. [2021-03-25 14:55:57,818 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:55:57,818 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 454 transitions. [2021-03-25 14:55:57,819 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 151.33333333333334) internal successors, (454), 3 states have internal predecessors, (454), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:55:57,820 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 172.0) internal successors, (688), 4 states have internal predecessors, (688), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:55:57,820 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 172.0) internal successors, (688), 4 states have internal predecessors, (688), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:55:57,821 INFO L185 Difference]: Start difference. First operand has 31 places, 23 transitions, 67 flow. Second operand 3 states and 454 transitions. [2021-03-25 14:55:57,821 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 33 places, 23 transitions, 73 flow [2021-03-25 14:55:57,821 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 32 places, 23 transitions, 70 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-25 14:55:57,822 INFO L241 Difference]: Finished difference. Result has 33 places, 23 transitions, 72 flow [2021-03-25 14:55:57,822 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=172, PETRI_DIFFERENCE_MINUEND_FLOW=64, PETRI_DIFFERENCE_MINUEND_PLACES=30, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=23, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=72, PETRI_PLACES=33, PETRI_TRANSITIONS=23} [2021-03-25 14:55:57,822 INFO L343 CegarLoopForPetriNet]: 46 programPoint places, -13 predicate places. [2021-03-25 14:55:57,822 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:55:57,822 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 33 places, 23 transitions, 72 flow [2021-03-25 14:55:57,823 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 33 places, 23 transitions, 72 flow [2021-03-25 14:55:57,823 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 33 places, 23 transitions, 72 flow [2021-03-25 14:55:57,827 INFO L129 PetriNetUnfolder]: 3/31 cut-off events. [2021-03-25 14:55:57,828 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-03-25 14:55:57,828 INFO L84 FinitePrefix]: Finished finitePrefix Result has 57 conditions, 31 events. 3/31 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 63 event pairs, 1 based on Foata normal form. 0/28 useless extension candidates. Maximal degree in co-relation 47. Up to 10 conditions per place. [2021-03-25 14:55:57,828 INFO L142 LiptonReduction]: Number of co-enabled transitions 240 [2021-03-25 14:55:57,881 INFO L154 LiptonReduction]: Checked pairs total: 209 [2021-03-25 14:55:57,881 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 14:55:57,882 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 60 [2021-03-25 14:55:57,882 INFO L480 AbstractCegarLoop]: Abstraction has has 33 places, 23 transitions, 72 flow [2021-03-25 14:55:57,883 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 150.66666666666666) internal successors, (452), 3 states have internal predecessors, (452), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:55:57,883 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:55:57,883 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:55:57,883 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-25 14:55:57,883 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:55:57,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:55:57,884 INFO L82 PathProgramCache]: Analyzing trace with hash -1655303566, now seen corresponding path program 1 times [2021-03-25 14:55:57,884 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:55:57,884 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1958576207] [2021-03-25 14:55:57,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:55:57,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:55:57,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:55:57,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 14:55:57,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:55:57,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 14:55:57,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:55:57,987 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1958576207] [2021-03-25 14:55:57,987 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:55:57,987 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-03-25 14:55:57,987 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565389410] [2021-03-25 14:55:57,987 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-25 14:55:57,988 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:55:57,989 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-25 14:55:57,989 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-25 14:55:57,990 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 134 out of 172 [2021-03-25 14:55:57,991 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 33 places, 23 transitions, 72 flow. Second operand has 3 states, 3 states have (on average 135.0) internal successors, (405), 3 states have internal predecessors, (405), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:55:57,991 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:55:57,991 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 134 of 172 [2021-03-25 14:55:57,991 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:55:58,064 INFO L129 PetriNetUnfolder]: 104/220 cut-off events. [2021-03-25 14:55:58,064 INFO L130 PetriNetUnfolder]: For 71/71 co-relation queries the response was YES. [2021-03-25 14:55:58,066 INFO L84 FinitePrefix]: Finished finitePrefix Result has 468 conditions, 220 events. 104/220 cut-off events. For 71/71 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 999 event pairs, 79 based on Foata normal form. 2/200 useless extension candidates. Maximal degree in co-relation 456. Up to 157 conditions per place. [2021-03-25 14:55:58,070 INFO L132 encePairwiseOnDemand]: 168/172 looper letters, 9 selfloop transitions, 3 changer transitions 0/27 dead transitions. [2021-03-25 14:55:58,070 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 35 places, 27 transitions, 104 flow [2021-03-25 14:55:58,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-25 14:55:58,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-25 14:55:58,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 415 transitions. [2021-03-25 14:55:58,072 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8042635658914729 [2021-03-25 14:55:58,073 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 415 transitions. [2021-03-25 14:55:58,073 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 415 transitions. [2021-03-25 14:55:58,073 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:55:58,073 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 415 transitions. [2021-03-25 14:55:58,074 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 138.33333333333334) internal successors, (415), 3 states have internal predecessors, (415), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:55:58,075 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 172.0) internal successors, (688), 4 states have internal predecessors, (688), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:55:58,076 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 172.0) internal successors, (688), 4 states have internal predecessors, (688), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:55:58,076 INFO L185 Difference]: Start difference. First operand has 33 places, 23 transitions, 72 flow. Second operand 3 states and 415 transitions. [2021-03-25 14:55:58,076 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 35 places, 27 transitions, 104 flow [2021-03-25 14:55:58,078 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 33 places, 27 transitions, 100 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-25 14:55:58,078 INFO L241 Difference]: Finished difference. Result has 34 places, 25 transitions, 87 flow [2021-03-25 14:55:58,079 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=172, PETRI_DIFFERENCE_MINUEND_FLOW=68, PETRI_DIFFERENCE_MINUEND_PLACES=31, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=23, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=87, PETRI_PLACES=34, PETRI_TRANSITIONS=25} [2021-03-25 14:55:58,079 INFO L343 CegarLoopForPetriNet]: 46 programPoint places, -12 predicate places. [2021-03-25 14:55:58,079 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:55:58,079 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 34 places, 25 transitions, 87 flow [2021-03-25 14:55:58,079 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 34 places, 25 transitions, 87 flow [2021-03-25 14:55:58,080 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 34 places, 25 transitions, 87 flow [2021-03-25 14:55:58,088 INFO L129 PetriNetUnfolder]: 7/46 cut-off events. [2021-03-25 14:55:58,088 INFO L130 PetriNetUnfolder]: For 17/19 co-relation queries the response was YES. [2021-03-25 14:55:58,088 INFO L84 FinitePrefix]: Finished finitePrefix Result has 96 conditions, 46 events. 7/46 cut-off events. For 17/19 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 135 event pairs, 3 based on Foata normal form. 0/40 useless extension candidates. Maximal degree in co-relation 85. Up to 15 conditions per place. [2021-03-25 14:55:58,089 INFO L142 LiptonReduction]: Number of co-enabled transitions 258 [2021-03-25 14:55:58,094 INFO L154 LiptonReduction]: Checked pairs total: 175 [2021-03-25 14:55:58,094 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 14:55:58,094 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 15 [2021-03-25 14:55:58,098 INFO L480 AbstractCegarLoop]: Abstraction has has 34 places, 25 transitions, 87 flow [2021-03-25 14:55:58,099 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 135.0) internal successors, (405), 3 states have internal predecessors, (405), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:55:58,099 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:55:58,099 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:55:58,099 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-25 14:55:58,099 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:55:58,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:55:58,100 INFO L82 PathProgramCache]: Analyzing trace with hash 714472308, now seen corresponding path program 1 times [2021-03-25 14:55:58,100 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:55:58,100 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380438144] [2021-03-25 14:55:58,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:55:58,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:55:58,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:55:58,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 14:55:58,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:55:58,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:55:58,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:55:58,198 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1380438144] [2021-03-25 14:55:58,198 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:55:58,198 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-25 14:55:58,198 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426637105] [2021-03-25 14:55:58,198 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-25 14:55:58,198 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:55:58,199 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-25 14:55:58,199 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-25 14:55:58,199 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 147 out of 172 [2021-03-25 14:55:58,200 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 34 places, 25 transitions, 87 flow. Second operand has 3 states, 3 states have (on average 148.33333333333334) internal successors, (445), 3 states have internal predecessors, (445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:55:58,200 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:55:58,200 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 147 of 172 [2021-03-25 14:55:58,200 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:55:58,223 INFO L129 PetriNetUnfolder]: 8/63 cut-off events. [2021-03-25 14:55:58,223 INFO L130 PetriNetUnfolder]: For 65/85 co-relation queries the response was YES. [2021-03-25 14:55:58,224 INFO L84 FinitePrefix]: Finished finitePrefix Result has 137 conditions, 63 events. 8/63 cut-off events. For 65/85 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 239 event pairs, 3 based on Foata normal form. 7/68 useless extension candidates. Maximal degree in co-relation 124. Up to 15 conditions per place. [2021-03-25 14:55:58,224 INFO L132 encePairwiseOnDemand]: 169/172 looper letters, 5 selfloop transitions, 3 changer transitions 0/26 dead transitions. [2021-03-25 14:55:58,224 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 36 places, 26 transitions, 106 flow [2021-03-25 14:55:58,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-25 14:55:58,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-25 14:55:58,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 449 transitions. [2021-03-25 14:55:58,227 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8701550387596899 [2021-03-25 14:55:58,227 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 449 transitions. [2021-03-25 14:55:58,227 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 449 transitions. [2021-03-25 14:55:58,227 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:55:58,227 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 449 transitions. [2021-03-25 14:55:58,228 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 149.66666666666666) internal successors, (449), 3 states have internal predecessors, (449), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:55:58,229 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 172.0) internal successors, (688), 4 states have internal predecessors, (688), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:55:58,230 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 172.0) internal successors, (688), 4 states have internal predecessors, (688), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:55:58,230 INFO L185 Difference]: Start difference. First operand has 34 places, 25 transitions, 87 flow. Second operand 3 states and 449 transitions. [2021-03-25 14:55:58,230 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 36 places, 26 transitions, 106 flow [2021-03-25 14:55:58,232 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 26 transitions, 103 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-25 14:55:58,233 INFO L241 Difference]: Finished difference. Result has 36 places, 25 transitions, 95 flow [2021-03-25 14:55:58,233 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=172, PETRI_DIFFERENCE_MINUEND_FLOW=84, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=25, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=95, PETRI_PLACES=36, PETRI_TRANSITIONS=25} [2021-03-25 14:55:58,233 INFO L343 CegarLoopForPetriNet]: 46 programPoint places, -10 predicate places. [2021-03-25 14:55:58,233 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:55:58,233 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 36 places, 25 transitions, 95 flow [2021-03-25 14:55:58,234 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 36 places, 25 transitions, 95 flow [2021-03-25 14:55:58,234 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 36 places, 25 transitions, 95 flow [2021-03-25 14:55:58,241 INFO L129 PetriNetUnfolder]: 4/51 cut-off events. [2021-03-25 14:55:58,242 INFO L130 PetriNetUnfolder]: For 57/63 co-relation queries the response was YES. [2021-03-25 14:55:58,242 INFO L84 FinitePrefix]: Finished finitePrefix Result has 112 conditions, 51 events. 4/51 cut-off events. For 57/63 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 181 event pairs, 1 based on Foata normal form. 0/49 useless extension candidates. Maximal degree in co-relation 100. Up to 15 conditions per place. [2021-03-25 14:55:58,243 INFO L142 LiptonReduction]: Number of co-enabled transitions 258 [2021-03-25 14:55:58,276 INFO L154 LiptonReduction]: Checked pairs total: 218 [2021-03-25 14:55:58,276 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 14:55:58,276 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 43 [2021-03-25 14:55:58,277 INFO L480 AbstractCegarLoop]: Abstraction has has 36 places, 25 transitions, 95 flow [2021-03-25 14:55:58,278 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 148.33333333333334) internal successors, (445), 3 states have internal predecessors, (445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:55:58,278 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:55:58,278 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:55:58,278 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-25 14:55:58,278 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:55:58,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:55:58,278 INFO L82 PathProgramCache]: Analyzing trace with hash -271987930, now seen corresponding path program 1 times [2021-03-25 14:55:58,278 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:55:58,279 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [939706015] [2021-03-25 14:55:58,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:55:58,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:55:58,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:55:58,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:55:58,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:55:58,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:55:58,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:55:58,356 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [939706015] [2021-03-25 14:55:58,356 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:55:58,356 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-25 14:55:58,356 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701077683] [2021-03-25 14:55:58,357 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-25 14:55:58,357 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:55:58,358 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-25 14:55:58,358 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-25 14:55:58,358 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 144 out of 172 [2021-03-25 14:55:58,359 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 25 transitions, 95 flow. Second operand has 4 states, 4 states have (on average 145.0) internal successors, (580), 4 states have internal predecessors, (580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:55:58,359 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:55:58,359 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 144 of 172 [2021-03-25 14:55:58,359 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:55:58,396 INFO L129 PetriNetUnfolder]: 7/79 cut-off events. [2021-03-25 14:55:58,396 INFO L130 PetriNetUnfolder]: For 135/171 co-relation queries the response was YES. [2021-03-25 14:55:58,396 INFO L84 FinitePrefix]: Finished finitePrefix Result has 177 conditions, 79 events. 7/79 cut-off events. For 135/171 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 354 event pairs, 2 based on Foata normal form. 9/86 useless extension candidates. Maximal degree in co-relation 163. Up to 19 conditions per place. [2021-03-25 14:55:58,397 INFO L132 encePairwiseOnDemand]: 167/172 looper letters, 4 selfloop transitions, 4 changer transitions 2/28 dead transitions. [2021-03-25 14:55:58,397 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 28 transitions, 132 flow [2021-03-25 14:55:58,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-25 14:55:58,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-25 14:55:58,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 587 transitions. [2021-03-25 14:55:58,399 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8531976744186046 [2021-03-25 14:55:58,399 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 587 transitions. [2021-03-25 14:55:58,399 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 587 transitions. [2021-03-25 14:55:58,399 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:55:58,400 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 587 transitions. [2021-03-25 14:55:58,401 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 146.75) internal successors, (587), 4 states have internal predecessors, (587), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:55:58,402 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 172.0) internal successors, (860), 5 states have internal predecessors, (860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:55:58,404 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 172.0) internal successors, (860), 5 states have internal predecessors, (860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:55:58,404 INFO L185 Difference]: Start difference. First operand has 36 places, 25 transitions, 95 flow. Second operand 4 states and 587 transitions. [2021-03-25 14:55:58,404 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 28 transitions, 132 flow [2021-03-25 14:55:58,405 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 28 transitions, 123 flow, removed 2 selfloop flow, removed 1 redundant places. [2021-03-25 14:55:58,407 INFO L241 Difference]: Finished difference. Result has 39 places, 25 transitions, 103 flow [2021-03-25 14:55:58,407 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=172, PETRI_DIFFERENCE_MINUEND_FLOW=90, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=25, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=103, PETRI_PLACES=39, PETRI_TRANSITIONS=25} [2021-03-25 14:55:58,407 INFO L343 CegarLoopForPetriNet]: 46 programPoint places, -7 predicate places. [2021-03-25 14:55:58,407 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:55:58,407 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 39 places, 25 transitions, 103 flow [2021-03-25 14:55:58,408 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 39 places, 25 transitions, 103 flow [2021-03-25 14:55:58,408 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 39 places, 25 transitions, 103 flow [2021-03-25 14:55:58,415 INFO L129 PetriNetUnfolder]: 4/51 cut-off events. [2021-03-25 14:55:58,415 INFO L130 PetriNetUnfolder]: For 68/73 co-relation queries the response was YES. [2021-03-25 14:55:58,415 INFO L84 FinitePrefix]: Finished finitePrefix Result has 120 conditions, 51 events. 4/51 cut-off events. For 68/73 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 170 event pairs, 2 based on Foata normal form. 0/49 useless extension candidates. Maximal degree in co-relation 106. Up to 14 conditions per place. [2021-03-25 14:55:58,416 INFO L142 LiptonReduction]: Number of co-enabled transitions 238 [2021-03-25 14:55:58,455 INFO L154 LiptonReduction]: Checked pairs total: 197 [2021-03-25 14:55:58,456 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 14:55:58,456 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 49 [2021-03-25 14:55:58,459 INFO L480 AbstractCegarLoop]: Abstraction has has 39 places, 25 transitions, 103 flow [2021-03-25 14:55:58,460 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 145.0) internal successors, (580), 4 states have internal predecessors, (580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:55:58,460 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:55:58,460 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:55:58,460 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-25 14:55:58,460 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:55:58,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:55:58,461 INFO L82 PathProgramCache]: Analyzing trace with hash -798394900, now seen corresponding path program 2 times [2021-03-25 14:55:58,461 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:55:58,462 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [990831999] [2021-03-25 14:55:58,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:55:58,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:55:58,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:55:58,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 14:55:58,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:55:58,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 14:55:58,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:55:58,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 14:55:58,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:55:58,619 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [990831999] [2021-03-25 14:55:58,619 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:55:58,619 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 14:55:58,619 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913055428] [2021-03-25 14:55:58,620 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-25 14:55:58,620 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:55:58,620 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-25 14:55:58,620 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-03-25 14:55:58,621 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 126 out of 172 [2021-03-25 14:55:58,622 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 25 transitions, 103 flow. Second operand has 5 states, 5 states have (on average 126.8) internal successors, (634), 5 states have internal predecessors, (634), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:55:58,622 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:55:58,622 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 126 of 172 [2021-03-25 14:55:58,622 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:55:58,742 INFO L129 PetriNetUnfolder]: 116/260 cut-off events. [2021-03-25 14:55:58,743 INFO L130 PetriNetUnfolder]: For 391/420 co-relation queries the response was YES. [2021-03-25 14:55:58,743 INFO L84 FinitePrefix]: Finished finitePrefix Result has 647 conditions, 260 events. 116/260 cut-off events. For 391/420 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 1206 event pairs, 23 based on Foata normal form. 5/252 useless extension candidates. Maximal degree in co-relation 631. Up to 191 conditions per place. [2021-03-25 14:55:58,745 INFO L132 encePairwiseOnDemand]: 166/172 looper letters, 10 selfloop transitions, 6 changer transitions 0/31 dead transitions. [2021-03-25 14:55:58,745 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 31 transitions, 149 flow [2021-03-25 14:55:58,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-25 14:55:58,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-25 14:55:58,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 521 transitions. [2021-03-25 14:55:58,748 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7572674418604651 [2021-03-25 14:55:58,748 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 521 transitions. [2021-03-25 14:55:58,748 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 521 transitions. [2021-03-25 14:55:58,748 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:55:58,749 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 521 transitions. [2021-03-25 14:55:58,750 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 130.25) internal successors, (521), 4 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) [2021-03-25 14:55:58,751 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 172.0) internal successors, (860), 5 states have internal predecessors, (860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:55:58,751 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 172.0) internal successors, (860), 5 states have internal predecessors, (860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:55:58,751 INFO L185 Difference]: Start difference. First operand has 39 places, 25 transitions, 103 flow. Second operand 4 states and 521 transitions. [2021-03-25 14:55:58,751 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 31 transitions, 149 flow [2021-03-25 14:55:58,755 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 31 transitions, 139 flow, removed 1 selfloop flow, removed 3 redundant places. [2021-03-25 14:55:58,756 INFO L241 Difference]: Finished difference. Result has 40 places, 28 transitions, 125 flow [2021-03-25 14:55:58,757 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=172, PETRI_DIFFERENCE_MINUEND_FLOW=93, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=25, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=125, PETRI_PLACES=40, PETRI_TRANSITIONS=28} [2021-03-25 14:55:58,757 INFO L343 CegarLoopForPetriNet]: 46 programPoint places, -6 predicate places. [2021-03-25 14:55:58,757 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:55:58,757 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 40 places, 28 transitions, 125 flow [2021-03-25 14:55:58,757 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 40 places, 28 transitions, 125 flow [2021-03-25 14:55:58,757 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 40 places, 28 transitions, 125 flow [2021-03-25 14:55:58,770 INFO L129 PetriNetUnfolder]: 28/108 cut-off events. [2021-03-25 14:55:58,770 INFO L130 PetriNetUnfolder]: For 146/166 co-relation queries the response was YES. [2021-03-25 14:55:58,771 INFO L84 FinitePrefix]: Finished finitePrefix Result has 276 conditions, 108 events. 28/108 cut-off events. For 146/166 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 515 event pairs, 11 based on Foata normal form. 0/102 useless extension candidates. Maximal degree in co-relation 262. Up to 57 conditions per place. [2021-03-25 14:55:58,772 INFO L142 LiptonReduction]: Number of co-enabled transitions 268 [2021-03-25 14:55:58,774 INFO L154 LiptonReduction]: Checked pairs total: 81 [2021-03-25 14:55:58,774 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 14:55:58,774 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 17 [2021-03-25 14:55:58,775 INFO L480 AbstractCegarLoop]: Abstraction has has 40 places, 28 transitions, 125 flow [2021-03-25 14:55:58,775 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 126.8) internal successors, (634), 5 states have internal predecessors, (634), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:55:58,775 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:55:58,775 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:55:58,775 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-25 14:55:58,775 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:55:58,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:55:58,776 INFO L82 PathProgramCache]: Analyzing trace with hash -798395954, now seen corresponding path program 1 times [2021-03-25 14:55:58,776 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:55:58,776 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1423661000] [2021-03-25 14:55:58,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:55:58,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:55:58,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:55:58,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:55:58,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:55:58,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:55:58,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:55:58,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 14:55:58,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:55:58,853 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1423661000] [2021-03-25 14:55:58,853 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:55:58,853 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-25 14:55:58,854 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147304363] [2021-03-25 14:55:58,854 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-25 14:55:58,854 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:55:58,854 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-25 14:55:58,854 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-03-25 14:55:58,855 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 136 out of 172 [2021-03-25 14:55:58,856 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 28 transitions, 125 flow. Second operand has 4 states, 4 states have (on average 137.0) internal successors, (548), 4 states have internal predecessors, (548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:55:58,856 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:55:58,856 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 136 of 172 [2021-03-25 14:55:58,856 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:55:58,953 INFO L129 PetriNetUnfolder]: 121/269 cut-off events. [2021-03-25 14:55:58,954 INFO L130 PetriNetUnfolder]: For 394/451 co-relation queries the response was YES. [2021-03-25 14:55:58,955 INFO L84 FinitePrefix]: Finished finitePrefix Result has 788 conditions, 269 events. 121/269 cut-off events. For 394/451 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 1266 event pairs, 50 based on Foata normal form. 7/263 useless extension candidates. Maximal degree in co-relation 772. Up to 176 conditions per place. [2021-03-25 14:55:58,957 INFO L132 encePairwiseOnDemand]: 165/172 looper letters, 13 selfloop transitions, 8 changer transitions 0/36 dead transitions. [2021-03-25 14:55:58,958 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 36 transitions, 199 flow [2021-03-25 14:55:58,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-25 14:55:58,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-25 14:55:58,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 562 transitions. [2021-03-25 14:55:58,960 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8168604651162791 [2021-03-25 14:55:58,960 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 562 transitions. [2021-03-25 14:55:58,960 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 562 transitions. [2021-03-25 14:55:58,960 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:55:58,961 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 562 transitions. [2021-03-25 14:55:58,962 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 140.5) internal successors, (562), 4 states have internal predecessors, (562), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:55:58,963 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 172.0) internal successors, (860), 5 states have internal predecessors, (860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:55:58,963 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 172.0) internal successors, (860), 5 states have internal predecessors, (860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:55:58,963 INFO L185 Difference]: Start difference. First operand has 40 places, 28 transitions, 125 flow. Second operand 4 states and 562 transitions. [2021-03-25 14:55:58,963 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 36 transitions, 199 flow [2021-03-25 14:55:58,966 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 41 places, 36 transitions, 189 flow, removed 1 selfloop flow, removed 2 redundant places. [2021-03-25 14:55:58,967 INFO L241 Difference]: Finished difference. Result has 42 places, 32 transitions, 156 flow [2021-03-25 14:55:58,967 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=172, PETRI_DIFFERENCE_MINUEND_FLOW=115, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=156, PETRI_PLACES=42, PETRI_TRANSITIONS=32} [2021-03-25 14:55:58,967 INFO L343 CegarLoopForPetriNet]: 46 programPoint places, -4 predicate places. [2021-03-25 14:55:58,967 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:55:58,967 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 42 places, 32 transitions, 156 flow [2021-03-25 14:55:58,968 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 42 places, 32 transitions, 156 flow [2021-03-25 14:55:58,968 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 42 places, 32 transitions, 156 flow [2021-03-25 14:55:58,997 INFO L129 PetriNetUnfolder]: 89/227 cut-off events. [2021-03-25 14:55:58,997 INFO L130 PetriNetUnfolder]: For 396/431 co-relation queries the response was YES. [2021-03-25 14:55:58,998 INFO L84 FinitePrefix]: Finished finitePrefix Result has 640 conditions, 227 events. 89/227 cut-off events. For 396/431 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 1181 event pairs, 56 based on Foata normal form. 0/204 useless extension candidates. Maximal degree in co-relation 625. Up to 115 conditions per place. [2021-03-25 14:55:59,000 INFO L142 LiptonReduction]: Number of co-enabled transitions 274 [2021-03-25 14:55:59,008 INFO L154 LiptonReduction]: Checked pairs total: 33 [2021-03-25 14:55:59,009 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 14:55:59,009 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 42 [2021-03-25 14:55:59,011 INFO L480 AbstractCegarLoop]: Abstraction has has 42 places, 32 transitions, 156 flow [2021-03-25 14:55:59,011 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 137.0) internal successors, (548), 4 states have internal predecessors, (548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:55:59,011 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:55:59,011 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:55:59,012 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-25 14:55:59,012 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:55:59,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:55:59,013 INFO L82 PathProgramCache]: Analyzing trace with hash 700346476, now seen corresponding path program 2 times [2021-03-25 14:55:59,013 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:55:59,013 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [962825372] [2021-03-25 14:55:59,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:55:59,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:55:59,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:55:59,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 14:55:59,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:55:59,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 14:55:59,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:55:59,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 14:55:59,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:55:59,167 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [962825372] [2021-03-25 14:55:59,167 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:55:59,167 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 14:55:59,167 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175792408] [2021-03-25 14:55:59,167 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-25 14:55:59,167 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:55:59,168 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-25 14:55:59,168 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-03-25 14:55:59,169 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 134 out of 172 [2021-03-25 14:55:59,170 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 42 places, 32 transitions, 156 flow. Second operand has 5 states, 5 states have (on average 134.8) internal successors, (674), 5 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:55:59,170 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:55:59,171 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 134 of 172 [2021-03-25 14:55:59,171 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:55:59,277 INFO L129 PetriNetUnfolder]: 113/257 cut-off events. [2021-03-25 14:55:59,277 INFO L130 PetriNetUnfolder]: For 469/530 co-relation queries the response was YES. [2021-03-25 14:55:59,278 INFO L84 FinitePrefix]: Finished finitePrefix Result has 858 conditions, 257 events. 113/257 cut-off events. For 469/530 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 1220 event pairs, 46 based on Foata normal form. 9/253 useless extension candidates. Maximal degree in co-relation 841. Up to 172 conditions per place. [2021-03-25 14:55:59,279 INFO L132 encePairwiseOnDemand]: 165/172 looper letters, 12 selfloop transitions, 8 changer transitions 0/35 dead transitions. [2021-03-25 14:55:59,280 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 35 transitions, 210 flow [2021-03-25 14:55:59,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-25 14:55:59,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-25 14:55:59,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 553 transitions. [2021-03-25 14:55:59,282 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8037790697674418 [2021-03-25 14:55:59,282 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 553 transitions. [2021-03-25 14:55:59,282 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 553 transitions. [2021-03-25 14:55:59,283 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:55:59,283 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 553 transitions. [2021-03-25 14:55:59,284 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 138.25) internal successors, (553), 4 states have internal predecessors, (553), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:55:59,285 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 172.0) internal successors, (860), 5 states have internal predecessors, (860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:55:59,285 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 172.0) internal successors, (860), 5 states have internal predecessors, (860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:55:59,286 INFO L185 Difference]: Start difference. First operand has 42 places, 32 transitions, 156 flow. Second operand 4 states and 553 transitions. [2021-03-25 14:55:59,286 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 35 transitions, 210 flow [2021-03-25 14:55:59,287 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 35 transitions, 202 flow, removed 2 selfloop flow, removed 1 redundant places. [2021-03-25 14:55:59,287 INFO L241 Difference]: Finished difference. Result has 45 places, 32 transitions, 173 flow [2021-03-25 14:55:59,288 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=172, PETRI_DIFFERENCE_MINUEND_FLOW=148, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=173, PETRI_PLACES=45, PETRI_TRANSITIONS=32} [2021-03-25 14:55:59,288 INFO L343 CegarLoopForPetriNet]: 46 programPoint places, -1 predicate places. [2021-03-25 14:55:59,288 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:55:59,288 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 45 places, 32 transitions, 173 flow [2021-03-25 14:55:59,288 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 45 places, 32 transitions, 173 flow [2021-03-25 14:55:59,289 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 45 places, 32 transitions, 173 flow [2021-03-25 14:55:59,324 INFO L129 PetriNetUnfolder]: 85/216 cut-off events. [2021-03-25 14:55:59,325 INFO L130 PetriNetUnfolder]: For 503/541 co-relation queries the response was YES. [2021-03-25 14:55:59,326 INFO L84 FinitePrefix]: Finished finitePrefix Result has 631 conditions, 216 events. 85/216 cut-off events. For 503/541 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 1102 event pairs, 48 based on Foata normal form. 0/191 useless extension candidates. Maximal degree in co-relation 614. Up to 111 conditions per place. [2021-03-25 14:55:59,328 INFO L142 LiptonReduction]: Number of co-enabled transitions 274 [2021-03-25 14:55:59,333 INFO L154 LiptonReduction]: Checked pairs total: 48 [2021-03-25 14:55:59,334 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 14:55:59,334 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 46 [2021-03-25 14:55:59,334 INFO L480 AbstractCegarLoop]: Abstraction has has 45 places, 32 transitions, 173 flow [2021-03-25 14:55:59,335 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 134.8) internal successors, (674), 5 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:55:59,335 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:55:59,335 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:55:59,335 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-03-25 14:55:59,335 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:55:59,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:55:59,336 INFO L82 PathProgramCache]: Analyzing trace with hash 2016943268, now seen corresponding path program 1 times [2021-03-25 14:55:59,336 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:55:59,336 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [849539705] [2021-03-25 14:55:59,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:55:59,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:55:59,441 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.5 percent of original size [2021-03-25 14:55:59,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 14:55:59,474 INFO L142 QuantifierPusher]: treesize reduction 11, result has 87.4 percent of original size [2021-03-25 14:55:59,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-03-25 14:55:59,515 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.7 percent of original size [2021-03-25 14:55:59,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-25 14:55:59,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:55:59,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 14:55:59,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:55:59,536 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [849539705] [2021-03-25 14:55:59,536 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:55:59,536 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 14:55:59,536 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113100612] [2021-03-25 14:55:59,536 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-25 14:55:59,536 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:55:59,537 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-25 14:55:59,537 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-25 14:55:59,538 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 124 out of 172 [2021-03-25 14:55:59,538 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 32 transitions, 173 flow. Second operand has 5 states, 5 states have (on average 125.0) internal successors, (625), 5 states have internal predecessors, (625), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:55:59,539 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:55:59,539 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 124 of 172 [2021-03-25 14:55:59,539 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:55:59,664 INFO L129 PetriNetUnfolder]: 109/243 cut-off events. [2021-03-25 14:55:59,664 INFO L130 PetriNetUnfolder]: For 521/582 co-relation queries the response was YES. [2021-03-25 14:55:59,665 INFO L84 FinitePrefix]: Finished finitePrefix Result has 852 conditions, 243 events. 109/243 cut-off events. For 521/582 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 1111 event pairs, 33 based on Foata normal form. 12/245 useless extension candidates. Maximal degree in co-relation 833. Up to 174 conditions per place. [2021-03-25 14:55:59,666 INFO L132 encePairwiseOnDemand]: 167/172 looper letters, 15 selfloop transitions, 7 changer transitions 0/37 dead transitions. [2021-03-25 14:55:59,666 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 37 transitions, 241 flow [2021-03-25 14:55:59,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-25 14:55:59,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-25 14:55:59,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 513 transitions. [2021-03-25 14:55:59,669 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7456395348837209 [2021-03-25 14:55:59,669 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 513 transitions. [2021-03-25 14:55:59,669 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 513 transitions. [2021-03-25 14:55:59,669 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:55:59,669 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 513 transitions. [2021-03-25 14:55:59,670 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 128.25) internal successors, (513), 4 states have internal predecessors, (513), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:55:59,671 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 172.0) internal successors, (860), 5 states have internal predecessors, (860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:55:59,672 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 172.0) internal successors, (860), 5 states have internal predecessors, (860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:55:59,672 INFO L185 Difference]: Start difference. First operand has 45 places, 32 transitions, 173 flow. Second operand 4 states and 513 transitions. [2021-03-25 14:55:59,672 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 37 transitions, 241 flow [2021-03-25 14:55:59,674 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 37 transitions, 225 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-03-25 14:55:59,677 INFO L241 Difference]: Finished difference. Result has 46 places, 34 transitions, 192 flow [2021-03-25 14:55:59,678 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=172, PETRI_DIFFERENCE_MINUEND_FLOW=157, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=192, PETRI_PLACES=46, PETRI_TRANSITIONS=34} [2021-03-25 14:55:59,678 INFO L343 CegarLoopForPetriNet]: 46 programPoint places, 0 predicate places. [2021-03-25 14:55:59,678 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:55:59,679 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 46 places, 34 transitions, 192 flow [2021-03-25 14:55:59,679 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 46 places, 34 transitions, 192 flow [2021-03-25 14:55:59,679 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 46 places, 34 transitions, 192 flow [2021-03-25 14:55:59,705 INFO L129 PetriNetUnfolder]: 76/206 cut-off events. [2021-03-25 14:55:59,706 INFO L130 PetriNetUnfolder]: For 725/788 co-relation queries the response was YES. [2021-03-25 14:55:59,706 INFO L84 FinitePrefix]: Finished finitePrefix Result has 655 conditions, 206 events. 76/206 cut-off events. For 725/788 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 1092 event pairs, 44 based on Foata normal form. 1/181 useless extension candidates. Maximal degree in co-relation 637. Up to 99 conditions per place. [2021-03-25 14:55:59,708 INFO L142 LiptonReduction]: Number of co-enabled transitions 290 [2021-03-25 14:55:59,714 INFO L154 LiptonReduction]: Checked pairs total: 62 [2021-03-25 14:55:59,714 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 14:55:59,714 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 36 [2021-03-25 14:55:59,715 INFO L480 AbstractCegarLoop]: Abstraction has has 46 places, 34 transitions, 192 flow [2021-03-25 14:55:59,715 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 125.0) internal successors, (625), 5 states have internal predecessors, (625), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:55:59,715 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:55:59,715 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:55:59,715 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-03-25 14:55:59,715 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:55:59,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:55:59,716 INFO L82 PathProgramCache]: Analyzing trace with hash -757123072, now seen corresponding path program 1 times [2021-03-25 14:55:59,716 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:55:59,716 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805185920] [2021-03-25 14:55:59,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:55:59,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:55:59,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:55:59,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 14:55:59,795 INFO L142 QuantifierPusher]: treesize reduction 10, result has 80.4 percent of original size [2021-03-25 14:55:59,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 14:55:59,811 INFO L142 QuantifierPusher]: treesize reduction 10, result has 81.5 percent of original size [2021-03-25 14:55:59,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-25 14:55:59,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:55:59,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 14:55:59,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:55:59,836 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1805185920] [2021-03-25 14:55:59,836 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:55:59,836 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 14:55:59,836 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1124625879] [2021-03-25 14:55:59,836 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-25 14:55:59,836 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:55:59,836 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-25 14:55:59,837 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-25 14:55:59,837 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 172 [2021-03-25 14:55:59,838 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 34 transitions, 192 flow. Second operand has 5 states, 5 states have (on average 131.0) internal successors, (655), 5 states have internal predecessors, (655), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:55:59,838 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:55:59,838 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 172 [2021-03-25 14:55:59,838 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:55:59,977 INFO L129 PetriNetUnfolder]: 121/293 cut-off events. [2021-03-25 14:55:59,977 INFO L130 PetriNetUnfolder]: For 836/930 co-relation queries the response was YES. [2021-03-25 14:55:59,978 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1037 conditions, 293 events. 121/293 cut-off events. For 836/930 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 1568 event pairs, 8 based on Foata normal form. 15/300 useless extension candidates. Maximal degree in co-relation 1017. Up to 150 conditions per place. [2021-03-25 14:55:59,980 INFO L132 encePairwiseOnDemand]: 165/172 looper letters, 17 selfloop transitions, 11 changer transitions 0/43 dead transitions. [2021-03-25 14:55:59,980 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 43 transitions, 292 flow [2021-03-25 14:55:59,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-25 14:55:59,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-25 14:55:59,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 800 transitions. [2021-03-25 14:55:59,982 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7751937984496124 [2021-03-25 14:55:59,982 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 800 transitions. [2021-03-25 14:55:59,982 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 800 transitions. [2021-03-25 14:55:59,983 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:55:59,983 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 800 transitions. [2021-03-25 14:55:59,984 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 133.33333333333334) internal successors, (800), 6 states have internal predecessors, (800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:55:59,988 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 172.0) internal successors, (1204), 7 states have internal predecessors, (1204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:55:59,988 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 172.0) internal successors, (1204), 7 states have internal predecessors, (1204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:55:59,989 INFO L185 Difference]: Start difference. First operand has 46 places, 34 transitions, 192 flow. Second operand 6 states and 800 transitions. [2021-03-25 14:55:59,989 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 43 transitions, 292 flow [2021-03-25 14:55:59,990 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 43 transitions, 281 flow, removed 1 selfloop flow, removed 2 redundant places. [2021-03-25 14:55:59,991 INFO L241 Difference]: Finished difference. Result has 50 places, 37 transitions, 235 flow [2021-03-25 14:55:59,992 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=172, PETRI_DIFFERENCE_MINUEND_FLOW=181, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=235, PETRI_PLACES=50, PETRI_TRANSITIONS=37} [2021-03-25 14:55:59,992 INFO L343 CegarLoopForPetriNet]: 46 programPoint places, 4 predicate places. [2021-03-25 14:55:59,992 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:55:59,992 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 50 places, 37 transitions, 235 flow [2021-03-25 14:55:59,992 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 50 places, 37 transitions, 235 flow [2021-03-25 14:55:59,993 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 50 places, 37 transitions, 235 flow [2021-03-25 14:56:00,025 INFO L129 PetriNetUnfolder]: 99/246 cut-off events. [2021-03-25 14:56:00,025 INFO L130 PetriNetUnfolder]: For 774/834 co-relation queries the response was YES. [2021-03-25 14:56:00,026 INFO L84 FinitePrefix]: Finished finitePrefix Result has 898 conditions, 246 events. 99/246 cut-off events. For 774/834 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 1244 event pairs, 17 based on Foata normal form. 1/220 useless extension candidates. Maximal degree in co-relation 879. Up to 127 conditions per place. [2021-03-25 14:56:00,029 INFO L142 LiptonReduction]: Number of co-enabled transitions 318 [2021-03-25 14:56:00,046 INFO L154 LiptonReduction]: Checked pairs total: 104 [2021-03-25 14:56:00,046 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 14:56:00,046 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 54 [2021-03-25 14:56:00,047 INFO L480 AbstractCegarLoop]: Abstraction has has 50 places, 37 transitions, 235 flow [2021-03-25 14:56:00,048 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 131.0) internal successors, (655), 5 states have internal predecessors, (655), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:56:00,048 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:56:00,048 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:56:00,049 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-03-25 14:56:00,049 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:56:00,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:56:00,049 INFO L82 PathProgramCache]: Analyzing trace with hash 1083476167, now seen corresponding path program 1 times [2021-03-25 14:56:00,049 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:56:00,049 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [407161419] [2021-03-25 14:56:00,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:56:00,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:56:00,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:56:00,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:56:00,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:56:00,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:56:00,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:56:00,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 14:56:00,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:56:00,122 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [407161419] [2021-03-25 14:56:00,122 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:56:00,122 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 14:56:00,122 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460622683] [2021-03-25 14:56:00,122 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-25 14:56:00,123 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:56:00,123 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-25 14:56:00,123 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-25 14:56:00,124 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 138 out of 172 [2021-03-25 14:56:00,124 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 37 transitions, 235 flow. Second operand has 4 states, 4 states have (on average 138.75) internal successors, (555), 4 states have internal predecessors, (555), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:56:00,124 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:56:00,125 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 138 of 172 [2021-03-25 14:56:00,125 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:56:00,229 INFO L129 PetriNetUnfolder]: 253/568 cut-off events. [2021-03-25 14:56:00,229 INFO L130 PetriNetUnfolder]: For 1205/1422 co-relation queries the response was YES. [2021-03-25 14:56:00,232 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1704 conditions, 568 events. 253/568 cut-off events. For 1205/1422 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 3677 event pairs, 89 based on Foata normal form. 98/567 useless extension candidates. Maximal degree in co-relation 1683. Up to 319 conditions per place. [2021-03-25 14:56:00,234 INFO L132 encePairwiseOnDemand]: 166/172 looper letters, 11 selfloop transitions, 8 changer transitions 0/48 dead transitions. [2021-03-25 14:56:00,235 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 48 transitions, 295 flow [2021-03-25 14:56:00,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-25 14:56:00,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-25 14:56:00,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 710 transitions. [2021-03-25 14:56:00,237 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8255813953488372 [2021-03-25 14:56:00,237 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 710 transitions. [2021-03-25 14:56:00,237 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 710 transitions. [2021-03-25 14:56:00,238 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:56:00,238 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 710 transitions. [2021-03-25 14:56:00,239 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 142.0) internal successors, (710), 5 states have internal predecessors, (710), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:56:00,241 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 172.0) internal successors, (1032), 6 states have internal predecessors, (1032), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:56:00,241 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 172.0) internal successors, (1032), 6 states have internal predecessors, (1032), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:56:00,241 INFO L185 Difference]: Start difference. First operand has 50 places, 37 transitions, 235 flow. Second operand 5 states and 710 transitions. [2021-03-25 14:56:00,241 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 48 transitions, 295 flow [2021-03-25 14:56:00,244 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 48 transitions, 283 flow, removed 4 selfloop flow, removed 2 redundant places. [2021-03-25 14:56:00,245 INFO L241 Difference]: Finished difference. Result has 55 places, 44 transitions, 287 flow [2021-03-25 14:56:00,245 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=172, PETRI_DIFFERENCE_MINUEND_FLOW=223, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=287, PETRI_PLACES=55, PETRI_TRANSITIONS=44} [2021-03-25 14:56:00,246 INFO L343 CegarLoopForPetriNet]: 46 programPoint places, 9 predicate places. [2021-03-25 14:56:00,246 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:56:00,246 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 55 places, 44 transitions, 287 flow [2021-03-25 14:56:00,246 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 55 places, 44 transitions, 287 flow [2021-03-25 14:56:00,247 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 55 places, 44 transitions, 287 flow [2021-03-25 14:56:00,301 INFO L129 PetriNetUnfolder]: 206/483 cut-off events. [2021-03-25 14:56:00,301 INFO L130 PetriNetUnfolder]: For 1460/1670 co-relation queries the response was YES. [2021-03-25 14:56:00,303 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1766 conditions, 483 events. 206/483 cut-off events. For 1460/1670 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 2982 event pairs, 60 based on Foata normal form. 33/475 useless extension candidates. Maximal degree in co-relation 1744. Up to 220 conditions per place. [2021-03-25 14:56:00,308 INFO L142 LiptonReduction]: Number of co-enabled transitions 444 [2021-03-25 14:56:00,313 INFO L154 LiptonReduction]: Checked pairs total: 17 [2021-03-25 14:56:00,314 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 14:56:00,314 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 68 [2021-03-25 14:56:00,315 INFO L480 AbstractCegarLoop]: Abstraction has has 55 places, 44 transitions, 287 flow [2021-03-25 14:56:00,316 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 138.75) internal successors, (555), 4 states have internal predecessors, (555), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:56:00,316 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:56:00,316 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:56:00,316 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-03-25 14:56:00,316 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:56:00,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:56:00,317 INFO L82 PathProgramCache]: Analyzing trace with hash -1995857178, now seen corresponding path program 1 times [2021-03-25 14:56:00,317 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:56:00,317 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1986877445] [2021-03-25 14:56:00,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:56:00,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:56:00,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:56:00,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 14:56:00,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:56:00,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:56:00,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:56:00,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:56:00,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:56:00,358 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1986877445] [2021-03-25 14:56:00,358 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:56:00,358 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 14:56:00,358 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353463194] [2021-03-25 14:56:00,358 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-25 14:56:00,358 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:56:00,359 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-25 14:56:00,359 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-25 14:56:00,360 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 144 out of 172 [2021-03-25 14:56:00,360 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 44 transitions, 287 flow. Second operand has 4 states, 4 states have (on average 145.25) internal successors, (581), 4 states have internal predecessors, (581), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:56:00,360 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:56:00,360 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 144 of 172 [2021-03-25 14:56:00,361 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:56:00,511 INFO L129 PetriNetUnfolder]: 348/797 cut-off events. [2021-03-25 14:56:00,511 INFO L130 PetriNetUnfolder]: For 3143/3540 co-relation queries the response was YES. [2021-03-25 14:56:00,515 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2817 conditions, 797 events. 348/797 cut-off events. For 3143/3540 co-relation queries the response was YES. Maximal size of possible extension queue 149. Compared 5639 event pairs, 131 based on Foata normal form. 97/822 useless extension candidates. Maximal degree in co-relation 2793. Up to 402 conditions per place. [2021-03-25 14:56:00,517 INFO L132 encePairwiseOnDemand]: 168/172 looper letters, 4 selfloop transitions, 3 changer transitions 2/46 dead transitions. [2021-03-25 14:56:00,517 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 46 transitions, 313 flow [2021-03-25 14:56:00,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-25 14:56:00,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-25 14:56:00,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 729 transitions. [2021-03-25 14:56:00,520 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8476744186046512 [2021-03-25 14:56:00,520 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 729 transitions. [2021-03-25 14:56:00,520 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 729 transitions. [2021-03-25 14:56:00,520 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:56:00,520 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 729 transitions. [2021-03-25 14:56:00,522 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 145.8) internal successors, (729), 5 states have internal predecessors, (729), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:56:00,523 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 172.0) internal successors, (1032), 6 states have internal predecessors, (1032), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:56:00,523 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 172.0) internal successors, (1032), 6 states have internal predecessors, (1032), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:56:00,523 INFO L185 Difference]: Start difference. First operand has 55 places, 44 transitions, 287 flow. Second operand 5 states and 729 transitions. [2021-03-25 14:56:00,523 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 46 transitions, 313 flow [2021-03-25 14:56:00,529 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 46 transitions, 309 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-25 14:56:00,530 INFO L241 Difference]: Finished difference. Result has 60 places, 44 transitions, 296 flow [2021-03-25 14:56:00,530 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=172, PETRI_DIFFERENCE_MINUEND_FLOW=283, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=296, PETRI_PLACES=60, PETRI_TRANSITIONS=44} [2021-03-25 14:56:00,530 INFO L343 CegarLoopForPetriNet]: 46 programPoint places, 14 predicate places. [2021-03-25 14:56:00,530 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:56:00,531 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 60 places, 44 transitions, 296 flow [2021-03-25 14:56:00,531 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 60 places, 44 transitions, 296 flow [2021-03-25 14:56:00,531 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 58 places, 44 transitions, 296 flow [2021-03-25 14:56:00,585 INFO L129 PetriNetUnfolder]: 214/507 cut-off events. [2021-03-25 14:56:00,585 INFO L130 PetriNetUnfolder]: For 1775/1968 co-relation queries the response was YES. [2021-03-25 14:56:00,588 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1854 conditions, 507 events. 214/507 cut-off events. For 1775/1968 co-relation queries the response was YES. Maximal size of possible extension queue 82. Compared 3198 event pairs, 59 based on Foata normal form. 36/502 useless extension candidates. Maximal degree in co-relation 1830. Up to 233 conditions per place. [2021-03-25 14:56:00,592 INFO L142 LiptonReduction]: Number of co-enabled transitions 420 [2021-03-25 14:56:00,636 INFO L154 LiptonReduction]: Checked pairs total: 15 [2021-03-25 14:56:00,636 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 14:56:00,636 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 106 [2021-03-25 14:56:00,637 INFO L480 AbstractCegarLoop]: Abstraction has has 58 places, 44 transitions, 300 flow [2021-03-25 14:56:00,637 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 145.25) internal successors, (581), 4 states have internal predecessors, (581), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:56:00,637 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:56:00,637 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:56:00,637 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-03-25 14:56:00,637 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:56:00,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:56:00,638 INFO L82 PathProgramCache]: Analyzing trace with hash -810406646, now seen corresponding path program 2 times [2021-03-25 14:56:00,638 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:56:00,638 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485514813] [2021-03-25 14:56:00,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:56:00,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:56:00,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:56:00,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:56:00,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:56:00,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:56:00,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:56:00,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:56:00,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:56:00,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 14:56:00,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:56:00,706 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [485514813] [2021-03-25 14:56:00,707 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:56:00,707 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-25 14:56:00,707 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177409745] [2021-03-25 14:56:00,707 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-25 14:56:00,707 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:56:00,707 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-25 14:56:00,707 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-25 14:56:00,708 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 139 out of 173 [2021-03-25 14:56:00,709 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 44 transitions, 300 flow. Second operand has 5 states, 5 states have (on average 139.8) internal successors, (699), 5 states have internal predecessors, (699), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:56:00,709 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:56:00,709 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 139 of 173 [2021-03-25 14:56:00,709 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:56:00,817 INFO L129 PetriNetUnfolder]: 170/444 cut-off events. [2021-03-25 14:56:00,817 INFO L130 PetriNetUnfolder]: For 1435/2079 co-relation queries the response was YES. [2021-03-25 14:56:00,819 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1656 conditions, 444 events. 170/444 cut-off events. For 1435/2079 co-relation queries the response was YES. Maximal size of possible extension queue 85. Compared 3018 event pairs, 16 based on Foata normal form. 225/622 useless extension candidates. Maximal degree in co-relation 1630. Up to 245 conditions per place. [2021-03-25 14:56:00,822 INFO L132 encePairwiseOnDemand]: 167/173 looper letters, 8 selfloop transitions, 15 changer transitions 3/55 dead transitions. [2021-03-25 14:56:00,822 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 55 transitions, 404 flow [2021-03-25 14:56:00,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-25 14:56:00,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-25 14:56:00,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1001 transitions. [2021-03-25 14:56:00,825 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8265895953757225 [2021-03-25 14:56:00,825 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1001 transitions. [2021-03-25 14:56:00,825 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1001 transitions. [2021-03-25 14:56:00,825 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:56:00,825 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1001 transitions. [2021-03-25 14:56:00,827 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 143.0) internal successors, (1001), 7 states have internal predecessors, (1001), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:56:00,829 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 173.0) internal successors, (1384), 8 states have internal predecessors, (1384), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:56:00,830 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 173.0) internal successors, (1384), 8 states have internal predecessors, (1384), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:56:00,830 INFO L185 Difference]: Start difference. First operand has 58 places, 44 transitions, 300 flow. Second operand 7 states and 1001 transitions. [2021-03-25 14:56:00,830 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 55 transitions, 404 flow [2021-03-25 14:56:00,833 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 55 transitions, 396 flow, removed 1 selfloop flow, removed 3 redundant places. [2021-03-25 14:56:00,837 INFO L241 Difference]: Finished difference. Result has 64 places, 50 transitions, 381 flow [2021-03-25 14:56:00,837 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=173, PETRI_DIFFERENCE_MINUEND_FLOW=282, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=381, PETRI_PLACES=64, PETRI_TRANSITIONS=50} [2021-03-25 14:56:00,837 INFO L343 CegarLoopForPetriNet]: 46 programPoint places, 18 predicate places. [2021-03-25 14:56:00,837 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:56:00,837 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 64 places, 50 transitions, 381 flow [2021-03-25 14:56:00,838 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 64 places, 50 transitions, 381 flow [2021-03-25 14:56:00,839 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 64 places, 50 transitions, 381 flow [2021-03-25 14:56:00,874 INFO L129 PetriNetUnfolder]: 103/332 cut-off events. [2021-03-25 14:56:00,874 INFO L130 PetriNetUnfolder]: For 1398/1557 co-relation queries the response was YES. [2021-03-25 14:56:00,876 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1432 conditions, 332 events. 103/332 cut-off events. For 1398/1557 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 2161 event pairs, 9 based on Foata normal form. 18/337 useless extension candidates. Maximal degree in co-relation 1405. Up to 174 conditions per place. [2021-03-25 14:56:00,880 INFO L142 LiptonReduction]: Number of co-enabled transitions 468 [2021-03-25 14:56:00,898 INFO L154 LiptonReduction]: Checked pairs total: 42 [2021-03-25 14:56:00,898 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-25 14:56:00,898 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 61 [2021-03-25 14:56:00,898 INFO L480 AbstractCegarLoop]: Abstraction has has 64 places, 48 transitions, 365 flow [2021-03-25 14:56:00,899 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 139.8) internal successors, (699), 5 states have internal predecessors, (699), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:56:00,899 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:56:00,899 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:56:00,899 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-03-25 14:56:00,899 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:56:00,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:56:00,899 INFO L82 PathProgramCache]: Analyzing trace with hash -1549032789, now seen corresponding path program 1 times [2021-03-25 14:56:00,900 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:56:00,900 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241966691] [2021-03-25 14:56:00,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:56:00,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:56:00,980 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.5 percent of original size [2021-03-25 14:56:00,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 14:56:01,013 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.7 percent of original size [2021-03-25 14:56:01,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-25 14:56:01,052 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.8 percent of original size [2021-03-25 14:56:01,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-25 14:56:01,099 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-03-25 14:56:01,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-25 14:56:01,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:56:01,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 14:56:01,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:56:01,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 14:56:01,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:56:01,166 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [241966691] [2021-03-25 14:56:01,166 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:56:01,166 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-25 14:56:01,166 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014001307] [2021-03-25 14:56:01,167 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-25 14:56:01,167 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:56:01,167 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-25 14:56:01,167 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-03-25 14:56:01,168 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 123 out of 173 [2021-03-25 14:56:01,169 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 48 transitions, 365 flow. Second operand has 7 states, 7 states have (on average 124.0) internal successors, (868), 7 states have internal predecessors, (868), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:56:01,169 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:56:01,169 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 123 of 173 [2021-03-25 14:56:01,169 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:56:01,359 INFO L129 PetriNetUnfolder]: 86/247 cut-off events. [2021-03-25 14:56:01,359 INFO L130 PetriNetUnfolder]: For 1183/1284 co-relation queries the response was YES. [2021-03-25 14:56:01,361 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1169 conditions, 247 events. 86/247 cut-off events. For 1183/1284 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 1236 event pairs, 12 based on Foata normal form. 15/255 useless extension candidates. Maximal degree in co-relation 1140. Up to 99 conditions per place. [2021-03-25 14:56:01,362 INFO L132 encePairwiseOnDemand]: 166/173 looper letters, 13 selfloop transitions, 13 changer transitions 7/54 dead transitions. [2021-03-25 14:56:01,362 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 54 transitions, 467 flow [2021-03-25 14:56:01,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-25 14:56:01,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-25 14:56:01,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 762 transitions. [2021-03-25 14:56:01,365 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7341040462427746 [2021-03-25 14:56:01,365 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 762 transitions. [2021-03-25 14:56:01,365 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 762 transitions. [2021-03-25 14:56:01,365 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:56:01,365 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 762 transitions. [2021-03-25 14:56:01,367 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 127.0) internal successors, (762), 6 states have internal predecessors, (762), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:56:01,368 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 173.0) internal successors, (1211), 7 states have internal predecessors, (1211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:56:01,369 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 173.0) internal successors, (1211), 7 states have internal predecessors, (1211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:56:01,369 INFO L185 Difference]: Start difference. First operand has 64 places, 48 transitions, 365 flow. Second operand 6 states and 762 transitions. [2021-03-25 14:56:01,369 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 54 transitions, 467 flow [2021-03-25 14:56:01,373 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 54 transitions, 433 flow, removed 15 selfloop flow, removed 4 redundant places. [2021-03-25 14:56:01,374 INFO L241 Difference]: Finished difference. Result has 62 places, 45 transitions, 357 flow [2021-03-25 14:56:01,374 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=173, PETRI_DIFFERENCE_MINUEND_FLOW=286, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=357, PETRI_PLACES=62, PETRI_TRANSITIONS=45} [2021-03-25 14:56:01,374 INFO L343 CegarLoopForPetriNet]: 46 programPoint places, 16 predicate places. [2021-03-25 14:56:01,374 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:56:01,375 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 62 places, 45 transitions, 357 flow [2021-03-25 14:56:01,375 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 62 places, 45 transitions, 357 flow [2021-03-25 14:56:01,375 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 62 places, 45 transitions, 357 flow [2021-03-25 14:56:01,401 INFO L129 PetriNetUnfolder]: 70/217 cut-off events. [2021-03-25 14:56:01,401 INFO L130 PetriNetUnfolder]: For 862/917 co-relation queries the response was YES. [2021-03-25 14:56:01,402 INFO L84 FinitePrefix]: Finished finitePrefix Result has 908 conditions, 217 events. 70/217 cut-off events. For 862/917 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 1094 event pairs, 6 based on Foata normal form. 8/219 useless extension candidates. Maximal degree in co-relation 881. Up to 69 conditions per place. [2021-03-25 14:56:01,405 INFO L142 LiptonReduction]: Number of co-enabled transitions 300 [2021-03-25 14:56:01,408 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 14:56:01,408 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 14:56:01,409 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 35 [2021-03-25 14:56:01,411 INFO L480 AbstractCegarLoop]: Abstraction has has 62 places, 45 transitions, 357 flow [2021-03-25 14:56:01,412 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 124.0) internal successors, (868), 7 states have internal predecessors, (868), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:56:01,412 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:56:01,412 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:56:01,412 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-03-25 14:56:01,412 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:56:01,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:56:01,412 INFO L82 PathProgramCache]: Analyzing trace with hash 1176252301, now seen corresponding path program 2 times [2021-03-25 14:56:01,412 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:56:01,412 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1065393645] [2021-03-25 14:56:01,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:56:01,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:56:01,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:56:01,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 14:56:01,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:56:01,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 14:56:01,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:56:01,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 14:56:01,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:56:01,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 14:56:01,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:56:01,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 14:56:01,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:56:01,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 14:56:01,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:56:01,572 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1065393645] [2021-03-25 14:56:01,574 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:56:01,574 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-25 14:56:01,574 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269660419] [2021-03-25 14:56:01,575 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 14:56:01,575 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:56:01,575 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 14:56:01,576 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-03-25 14:56:01,577 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 122 out of 173 [2021-03-25 14:56:01,578 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 45 transitions, 357 flow. Second operand has 8 states, 8 states have (on average 122.875) internal successors, (983), 8 states have internal predecessors, (983), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:56:01,578 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:56:01,578 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 122 of 173 [2021-03-25 14:56:01,578 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:56:01,766 INFO L129 PetriNetUnfolder]: 79/236 cut-off events. [2021-03-25 14:56:01,766 INFO L130 PetriNetUnfolder]: For 1043/1131 co-relation queries the response was YES. [2021-03-25 14:56:01,767 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1106 conditions, 236 events. 79/236 cut-off events. For 1043/1131 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 1183 event pairs, 12 based on Foata normal form. 20/248 useless extension candidates. Maximal degree in co-relation 1077. Up to 105 conditions per place. [2021-03-25 14:56:01,769 INFO L132 encePairwiseOnDemand]: 166/173 looper letters, 17 selfloop transitions, 16 changer transitions 2/56 dead transitions. [2021-03-25 14:56:01,769 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 67 places, 56 transitions, 520 flow [2021-03-25 14:56:01,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-25 14:56:01,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-25 14:56:01,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 755 transitions. [2021-03-25 14:56:01,772 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7273603082851637 [2021-03-25 14:56:01,772 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 755 transitions. [2021-03-25 14:56:01,772 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 755 transitions. [2021-03-25 14:56:01,772 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:56:01,772 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 755 transitions. [2021-03-25 14:56:01,774 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 125.83333333333333) internal successors, (755), 6 states have internal predecessors, (755), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:56:01,775 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 173.0) internal successors, (1211), 7 states have internal predecessors, (1211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:56:01,776 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 173.0) internal successors, (1211), 7 states have internal predecessors, (1211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:56:01,776 INFO L185 Difference]: Start difference. First operand has 62 places, 45 transitions, 357 flow. Second operand 6 states and 755 transitions. [2021-03-25 14:56:01,776 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 67 places, 56 transitions, 520 flow [2021-03-25 14:56:01,779 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 56 transitions, 498 flow, removed 1 selfloop flow, removed 3 redundant places. [2021-03-25 14:56:01,780 INFO L241 Difference]: Finished difference. Result has 66 places, 53 transitions, 465 flow [2021-03-25 14:56:01,781 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=173, PETRI_DIFFERENCE_MINUEND_FLOW=340, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=45, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=465, PETRI_PLACES=66, PETRI_TRANSITIONS=53} [2021-03-25 14:56:01,781 INFO L343 CegarLoopForPetriNet]: 46 programPoint places, 20 predicate places. [2021-03-25 14:56:01,781 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:56:01,781 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 66 places, 53 transitions, 465 flow [2021-03-25 14:56:01,781 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 66 places, 53 transitions, 465 flow [2021-03-25 14:56:01,782 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 66 places, 53 transitions, 465 flow [2021-03-25 14:56:01,810 INFO L129 PetriNetUnfolder]: 73/227 cut-off events. [2021-03-25 14:56:01,810 INFO L130 PetriNetUnfolder]: For 1064/1114 co-relation queries the response was YES. [2021-03-25 14:56:01,811 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1001 conditions, 227 events. 73/227 cut-off events. For 1064/1114 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 1180 event pairs, 7 based on Foata normal form. 10/231 useless extension candidates. Maximal degree in co-relation 972. Up to 71 conditions per place. [2021-03-25 14:56:01,813 INFO L142 LiptonReduction]: Number of co-enabled transitions 344 [2021-03-25 14:56:01,818 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 14:56:01,818 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 14:56:01,818 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 37 [2021-03-25 14:56:01,819 INFO L480 AbstractCegarLoop]: Abstraction has has 66 places, 53 transitions, 465 flow [2021-03-25 14:56:01,820 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 122.875) internal successors, (983), 8 states have internal predecessors, (983), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:56:01,820 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:56:01,820 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:56:01,820 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-03-25 14:56:01,820 INFO L428 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:56:01,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:56:01,820 INFO L82 PathProgramCache]: Analyzing trace with hash 1028780093, now seen corresponding path program 3 times [2021-03-25 14:56:01,821 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:56:01,821 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1843916602] [2021-03-25 14:56:01,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:56:01,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:56:01,894 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.5 percent of original size [2021-03-25 14:56:01,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 14:56:01,922 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.7 percent of original size [2021-03-25 14:56:01,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-25 14:56:01,996 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.0 percent of original size [2021-03-25 14:56:01,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-25 14:56:02,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:56:02,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 14:56:02,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:56:02,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 14:56:02,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:56:02,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 14:56:02,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:56:02,092 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1843916602] [2021-03-25 14:56:02,092 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:56:02,092 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-25 14:56:02,092 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315249697] [2021-03-25 14:56:02,092 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 14:56:02,092 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:56:02,093 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 14:56:02,093 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-03-25 14:56:02,094 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 120 out of 173 [2021-03-25 14:56:02,095 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 53 transitions, 465 flow. Second operand has 8 states, 8 states have (on average 120.875) internal successors, (967), 8 states have internal predecessors, (967), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:56:02,095 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:56:02,095 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 120 of 173 [2021-03-25 14:56:02,095 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:56:02,285 INFO L129 PetriNetUnfolder]: 82/246 cut-off events. [2021-03-25 14:56:02,285 INFO L130 PetriNetUnfolder]: For 1310/1400 co-relation queries the response was YES. [2021-03-25 14:56:02,287 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1206 conditions, 246 events. 82/246 cut-off events. For 1310/1400 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 1255 event pairs, 11 based on Foata normal form. 22/261 useless extension candidates. Maximal degree in co-relation 1175. Up to 104 conditions per place. [2021-03-25 14:56:02,288 INFO L132 encePairwiseOnDemand]: 167/173 looper letters, 16 selfloop transitions, 8 changer transitions 15/60 dead transitions. [2021-03-25 14:56:02,288 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 60 transitions, 601 flow [2021-03-25 14:56:02,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-25 14:56:02,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-25 14:56:02,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 741 transitions. [2021-03-25 14:56:02,291 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7138728323699421 [2021-03-25 14:56:02,291 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 741 transitions. [2021-03-25 14:56:02,291 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 741 transitions. [2021-03-25 14:56:02,291 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:56:02,291 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 741 transitions. [2021-03-25 14:56:02,293 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 123.5) internal successors, (741), 6 states have internal predecessors, (741), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:56:02,295 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 173.0) internal successors, (1211), 7 states have internal predecessors, (1211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:56:02,296 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 173.0) internal successors, (1211), 7 states have internal predecessors, (1211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:56:02,296 INFO L185 Difference]: Start difference. First operand has 66 places, 53 transitions, 465 flow. Second operand 6 states and 741 transitions. [2021-03-25 14:56:02,296 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 71 places, 60 transitions, 601 flow [2021-03-25 14:56:02,300 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 60 transitions, 593 flow, removed 4 selfloop flow, removed 0 redundant places. [2021-03-25 14:56:02,302 INFO L241 Difference]: Finished difference. Result has 72 places, 45 transitions, 400 flow [2021-03-25 14:56:02,302 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=173, PETRI_DIFFERENCE_MINUEND_FLOW=457, PETRI_DIFFERENCE_MINUEND_PLACES=66, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=53, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=45, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=400, PETRI_PLACES=72, PETRI_TRANSITIONS=45} [2021-03-25 14:56:02,303 INFO L343 CegarLoopForPetriNet]: 46 programPoint places, 26 predicate places. [2021-03-25 14:56:02,303 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:56:02,303 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 72 places, 45 transitions, 400 flow [2021-03-25 14:56:02,303 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 72 places, 45 transitions, 400 flow [2021-03-25 14:56:02,304 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 65 places, 45 transitions, 400 flow [2021-03-25 14:56:02,328 INFO L129 PetriNetUnfolder]: 67/205 cut-off events. [2021-03-25 14:56:02,328 INFO L130 PetriNetUnfolder]: For 1088/1129 co-relation queries the response was YES. [2021-03-25 14:56:02,329 INFO L84 FinitePrefix]: Finished finitePrefix Result has 961 conditions, 205 events. 67/205 cut-off events. For 1088/1129 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 1051 event pairs, 15 based on Foata normal form. 9/207 useless extension candidates. Maximal degree in co-relation 929. Up to 66 conditions per place. [2021-03-25 14:56:02,331 INFO L142 LiptonReduction]: Number of co-enabled transitions 292 [2021-03-25 14:56:02,489 INFO L154 LiptonReduction]: Checked pairs total: 8 [2021-03-25 14:56:02,489 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 14:56:02,489 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 186 [2021-03-25 14:56:02,489 INFO L480 AbstractCegarLoop]: Abstraction has has 65 places, 45 transitions, 417 flow [2021-03-25 14:56:02,490 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 120.875) internal successors, (967), 8 states have internal predecessors, (967), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:56:02,490 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:56:02,490 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:56:02,490 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-03-25 14:56:02,490 INFO L428 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:56:02,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:56:02,491 INFO L82 PathProgramCache]: Analyzing trace with hash -1496595623, now seen corresponding path program 1 times [2021-03-25 14:56:02,491 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:56:02,491 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608721796] [2021-03-25 14:56:02,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:56:02,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:56:02,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:56:02,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:56:02,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:56:02,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:56:02,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:56:02,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:56:02,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:56:02,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 14:56:02,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 14:56:02,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 14:56:02,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:56:02,583 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [608721796] [2021-03-25 14:56:02,583 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:56:02,583 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-25 14:56:02,584 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584354330] [2021-03-25 14:56:02,584 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-25 14:56:02,584 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:56:02,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-25 14:56:02,584 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-03-25 14:56:02,585 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 140 out of 174 [2021-03-25 14:56:02,586 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 45 transitions, 417 flow. Second operand has 6 states, 6 states have (on average 140.83333333333334) internal successors, (845), 6 states have internal predecessors, (845), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:56:02,586 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:56:02,586 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 140 of 174 [2021-03-25 14:56:02,586 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:56:02,675 INFO L129 PetriNetUnfolder]: 107/259 cut-off events. [2021-03-25 14:56:02,675 INFO L130 PetriNetUnfolder]: For 791/960 co-relation queries the response was YES. [2021-03-25 14:56:02,677 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1122 conditions, 259 events. 107/259 cut-off events. For 791/960 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 1327 event pairs, 4 based on Foata normal form. 49/270 useless extension candidates. Maximal degree in co-relation 1088. Up to 83 conditions per place. [2021-03-25 14:56:02,678 INFO L132 encePairwiseOnDemand]: 168/174 looper letters, 5 selfloop transitions, 11 changer transitions 7/52 dead transitions. [2021-03-25 14:56:02,678 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 52 transitions, 493 flow [2021-03-25 14:56:02,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-25 14:56:02,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-25 14:56:02,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1002 transitions. [2021-03-25 14:56:02,685 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8226600985221675 [2021-03-25 14:56:02,685 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1002 transitions. [2021-03-25 14:56:02,685 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1002 transitions. [2021-03-25 14:56:02,686 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:56:02,686 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1002 transitions. [2021-03-25 14:56:02,701 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 143.14285714285714) internal successors, (1002), 7 states have internal predecessors, (1002), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:56:02,703 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 174.0) internal successors, (1392), 8 states have internal predecessors, (1392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:56:02,703 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 174.0) internal successors, (1392), 8 states have internal predecessors, (1392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:56:02,703 INFO L185 Difference]: Start difference. First operand has 65 places, 45 transitions, 417 flow. Second operand 7 states and 1002 transitions. [2021-03-25 14:56:02,703 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 71 places, 52 transitions, 493 flow [2021-03-25 14:56:02,707 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 52 transitions, 419 flow, removed 25 selfloop flow, removed 9 redundant places. [2021-03-25 14:56:02,708 INFO L241 Difference]: Finished difference. Result has 65 places, 43 transitions, 365 flow [2021-03-25 14:56:02,708 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=174, PETRI_DIFFERENCE_MINUEND_FLOW=349, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=45, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=365, PETRI_PLACES=65, PETRI_TRANSITIONS=43} [2021-03-25 14:56:02,708 INFO L343 CegarLoopForPetriNet]: 46 programPoint places, 19 predicate places. [2021-03-25 14:56:02,708 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:56:02,708 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 65 places, 43 transitions, 365 flow [2021-03-25 14:56:02,709 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 65 places, 43 transitions, 365 flow [2021-03-25 14:56:02,709 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 63 places, 43 transitions, 365 flow [2021-03-25 14:56:02,718 INFO L129 PetriNetUnfolder]: 19/69 cut-off events. [2021-03-25 14:56:02,718 INFO L130 PetriNetUnfolder]: For 222/231 co-relation queries the response was YES. [2021-03-25 14:56:02,718 INFO L84 FinitePrefix]: Finished finitePrefix Result has 324 conditions, 69 events. 19/69 cut-off events. For 222/231 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 194 event pairs, 0 based on Foata normal form. 3/71 useless extension candidates. Maximal degree in co-relation 296. Up to 21 conditions per place. [2021-03-25 14:56:02,719 INFO L142 LiptonReduction]: Number of co-enabled transitions 206 [2021-03-25 14:56:02,907 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 66 [2021-03-25 14:56:03,228 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 85 [2021-03-25 14:56:03,985 WARN L205 SmtUtils]: Spent 699.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 180 [2021-03-25 14:56:04,243 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2021-03-25 14:56:05,606 WARN L205 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 334 DAG size of output: 256 [2021-03-25 14:56:06,115 WARN L205 SmtUtils]: Spent 506.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2021-03-25 14:56:06,516 WARN L205 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2021-03-25 14:56:06,787 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2021-03-25 14:56:07,344 WARN L205 SmtUtils]: Spent 555.00 ms on a formula simplification that was a NOOP. DAG size: 250 [2021-03-25 14:56:07,905 WARN L205 SmtUtils]: Spent 557.00 ms on a formula simplification that was a NOOP. DAG size: 250 [2021-03-25 14:56:07,912 INFO L154 LiptonReduction]: Checked pairs total: 44 [2021-03-25 14:56:07,912 INFO L156 LiptonReduction]: Total number of compositions: 7 [2021-03-25 14:56:07,913 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5205 [2021-03-25 14:56:07,913 INFO L480 AbstractCegarLoop]: Abstraction has has 59 places, 39 transitions, 363 flow [2021-03-25 14:56:07,914 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 140.83333333333334) internal successors, (845), 6 states have internal predecessors, (845), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:56:07,914 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:56:07,914 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:56:07,914 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-03-25 14:56:07,914 INFO L428 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:56:07,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:56:07,915 INFO L82 PathProgramCache]: Analyzing trace with hash -1927508237, now seen corresponding path program 1 times [2021-03-25 14:56:07,915 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:56:07,915 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1621233243] [2021-03-25 14:56:07,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:56:07,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 14:56:08,000 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.7 percent of original size [2021-03-25 14:56:08,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-25 14:56:08,036 INFO L142 QuantifierPusher]: treesize reduction 20, result has 81.8 percent of original size [2021-03-25 14:56:08,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-03-25 14:56:08,101 INFO L142 QuantifierPusher]: treesize reduction 55, result has 60.4 percent of original size [2021-03-25 14:56:08,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 14:56:08,155 INFO L142 QuantifierPusher]: treesize reduction 55, result has 61.3 percent of original size [2021-03-25 14:56:08,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-03-25 14:56:08,210 INFO L142 QuantifierPusher]: treesize reduction 11, result has 88.2 percent of original size [2021-03-25 14:56:08,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 82 [2021-03-25 14:56:08,269 INFO L142 QuantifierPusher]: treesize reduction 146, result has 33.3 percent of original size [2021-03-25 14:56:08,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-03-25 14:56:08,350 INFO L142 QuantifierPusher]: treesize reduction 15, result has 82.6 percent of original size [2021-03-25 14:56:08,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-03-25 14:56:08,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 14:56:08,410 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1621233243] [2021-03-25 14:56:08,410 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 14:56:08,410 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 14:56:08,410 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [59625755] [2021-03-25 14:56:08,411 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-25 14:56:08,411 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 14:56:08,411 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-25 14:56:08,411 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-03-25 14:56:08,412 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 120 out of 180 [2021-03-25 14:56:08,413 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 39 transitions, 363 flow. Second operand has 9 states, 9 states have (on average 120.88888888888889) internal successors, (1088), 9 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:56:08,413 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 14:56:08,413 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 120 of 180 [2021-03-25 14:56:08,413 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 14:56:08,720 INFO L129 PetriNetUnfolder]: 24/77 cut-off events. [2021-03-25 14:56:08,720 INFO L130 PetriNetUnfolder]: For 604/667 co-relation queries the response was YES. [2021-03-25 14:56:08,721 INFO L84 FinitePrefix]: Finished finitePrefix Result has 401 conditions, 77 events. 24/77 cut-off events. For 604/667 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 261 event pairs, 0 based on Foata normal form. 21/94 useless extension candidates. Maximal degree in co-relation 371. Up to 27 conditions per place. [2021-03-25 14:56:08,721 INFO L132 encePairwiseOnDemand]: 172/180 looper letters, 9 selfloop transitions, 9 changer transitions 7/41 dead transitions. [2021-03-25 14:56:08,721 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 41 transitions, 431 flow [2021-03-25 14:56:08,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-25 14:56:08,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-25 14:56:08,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 857 transitions. [2021-03-25 14:56:08,724 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6801587301587302 [2021-03-25 14:56:08,724 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 857 transitions. [2021-03-25 14:56:08,725 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 857 transitions. [2021-03-25 14:56:08,725 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 14:56:08,725 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 857 transitions. [2021-03-25 14:56:08,727 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 122.42857142857143) internal successors, (857), 7 states have internal predecessors, (857), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:56:08,728 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 180.0) internal successors, (1440), 8 states have internal predecessors, (1440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:56:08,729 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 180.0) internal successors, (1440), 8 states have internal predecessors, (1440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:56:08,729 INFO L185 Difference]: Start difference. First operand has 59 places, 39 transitions, 363 flow. Second operand 7 states and 857 transitions. [2021-03-25 14:56:08,729 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 41 transitions, 431 flow [2021-03-25 14:56:08,731 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 41 transitions, 358 flow, removed 17 selfloop flow, removed 11 redundant places. [2021-03-25 14:56:08,732 INFO L241 Difference]: Finished difference. Result has 55 places, 34 transitions, 272 flow [2021-03-25 14:56:08,732 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=180, PETRI_DIFFERENCE_MINUEND_FLOW=290, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=272, PETRI_PLACES=55, PETRI_TRANSITIONS=34} [2021-03-25 14:56:08,732 INFO L343 CegarLoopForPetriNet]: 46 programPoint places, 9 predicate places. [2021-03-25 14:56:08,732 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 14:56:08,733 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 55 places, 34 transitions, 272 flow [2021-03-25 14:56:08,735 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 55 places, 34 transitions, 272 flow [2021-03-25 14:56:08,736 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 54 places, 34 transitions, 272 flow [2021-03-25 14:56:08,742 INFO L129 PetriNetUnfolder]: 14/48 cut-off events. [2021-03-25 14:56:08,743 INFO L130 PetriNetUnfolder]: For 153/155 co-relation queries the response was YES. [2021-03-25 14:56:08,743 INFO L84 FinitePrefix]: Finished finitePrefix Result has 201 conditions, 48 events. 14/48 cut-off events. For 153/155 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 117 event pairs, 0 based on Foata normal form. 2/50 useless extension candidates. Maximal degree in co-relation 179. Up to 15 conditions per place. [2021-03-25 14:56:08,743 INFO L142 LiptonReduction]: Number of co-enabled transitions 110 [2021-03-25 14:56:08,940 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 64 [2021-03-25 14:56:09,341 WARN L205 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 87 [2021-03-25 14:56:09,491 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-03-25 14:56:09,495 INFO L154 LiptonReduction]: Checked pairs total: 3 [2021-03-25 14:56:09,495 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 14:56:09,495 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 763 [2021-03-25 14:56:09,495 INFO L480 AbstractCegarLoop]: Abstraction has has 54 places, 34 transitions, 275 flow [2021-03-25 14:56:09,496 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 120.88888888888889) internal successors, (1088), 9 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 14:56:09,496 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 14:56:09,496 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 14:56:09,496 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-03-25 14:56:09,496 INFO L428 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 14:56:09,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 14:56:09,497 INFO L82 PathProgramCache]: Analyzing trace with hash 407927926, now seen corresponding path program 1 times [2021-03-25 14:56:09,497 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 14:56:09,497 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989487182] [2021-03-25 14:56:09,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 14:56:09,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-25 14:56:09,523 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-25 14:56:09,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-25 14:56:09,556 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-25 14:56:09,597 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-03-25 14:56:09,597 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-03-25 14:56:09,598 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-03-25 14:56:09,698 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.03 02:56:09 BasicIcfg [2021-03-25 14:56:09,698 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-25 14:56:09,698 INFO L168 Benchmark]: Toolchain (without parser) took 27941.88 ms. Allocated memory was 255.9 MB in the beginning and 799.0 MB in the end (delta: 543.2 MB). Free memory was 235.1 MB in the beginning and 733.5 MB in the end (delta: -498.4 MB). Peak memory consumption was 43.6 MB. Max. memory is 16.0 GB. [2021-03-25 14:56:09,699 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 255.9 MB. Free memory is still 237.9 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-03-25 14:56:09,699 INFO L168 Benchmark]: CACSL2BoogieTranslator took 458.29 ms. Allocated memory was 255.9 MB in the beginning and 371.2 MB in the end (delta: 115.3 MB). Free memory was 234.6 MB in the beginning and 331.1 MB in the end (delta: -96.5 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.0 GB. [2021-03-25 14:56:09,699 INFO L168 Benchmark]: Boogie Procedure Inliner took 55.45 ms. Allocated memory is still 371.2 MB. Free memory was 331.1 MB in the beginning and 328.1 MB in the end (delta: 3.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. [2021-03-25 14:56:09,699 INFO L168 Benchmark]: Boogie Preprocessor took 31.13 ms. Allocated memory is still 371.2 MB. Free memory was 328.1 MB in the beginning and 325.8 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-25 14:56:09,699 INFO L168 Benchmark]: RCFGBuilder took 1992.23 ms. Allocated memory is still 371.2 MB. Free memory was 325.8 MB in the beginning and 333.0 MB in the end (delta: -7.2 MB). Peak memory consumption was 62.1 MB. Max. memory is 16.0 GB. [2021-03-25 14:56:09,699 INFO L168 Benchmark]: TraceAbstraction took 25399.59 ms. Allocated memory was 371.2 MB in the beginning and 799.0 MB in the end (delta: 427.8 MB). Free memory was 333.0 MB in the beginning and 733.5 MB in the end (delta: -400.5 MB). Peak memory consumption was 26.3 MB. Max. memory is 16.0 GB. [2021-03-25 14:56:09,705 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 255.9 MB. Free memory is still 237.9 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 458.29 ms. Allocated memory was 255.9 MB in the beginning and 371.2 MB in the end (delta: 115.3 MB). Free memory was 234.6 MB in the beginning and 331.1 MB in the end (delta: -96.5 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 55.45 ms. Allocated memory is still 371.2 MB. Free memory was 331.1 MB in the beginning and 328.1 MB in the end (delta: 3.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 31.13 ms. Allocated memory is still 371.2 MB. Free memory was 328.1 MB in the beginning and 325.8 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 1992.23 ms. Allocated memory is still 371.2 MB. Free memory was 325.8 MB in the beginning and 333.0 MB in the end (delta: -7.2 MB). Peak memory consumption was 62.1 MB. Max. memory is 16.0 GB. * TraceAbstraction took 25399.59 ms. Allocated memory was 371.2 MB in the beginning and 799.0 MB in the end (delta: 427.8 MB). Free memory was 333.0 MB in the beginning and 733.5 MB in the end (delta: -400.5 MB). Peak memory consumption was 26.3 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 7946.1ms, 100 PlacesBefore, 46 PlacesAfterwards, 92 TransitionsBefore, 37 TransitionsAfterwards, 1602 CoEnabledTransitionPairs, 6 FixpointIterations, 24 TrivialSequentialCompositions, 34 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 7 ConcurrentYvCompositions, 1 ChoiceCompositions, 66 TotalNumberOfCompositions, 2709 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1459, positive: 1380, positive conditional: 0, positive unconditional: 1380, negative: 79, negative conditional: 0, negative unconditional: 79, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1088, positive: 1052, positive conditional: 0, positive unconditional: 1052, negative: 36, negative conditional: 0, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1088, positive: 1052, positive conditional: 0, positive unconditional: 1052, negative: 36, negative conditional: 0, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1088, positive: 1045, positive conditional: 0, positive unconditional: 1045, negative: 43, negative conditional: 0, negative unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 43, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 36, negative conditional: 0, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 663, positive: 19, positive conditional: 0, positive unconditional: 19, negative: 643, negative conditional: 0, negative unconditional: 643, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1459, positive: 328, positive conditional: 0, positive unconditional: 328, negative: 43, negative conditional: 0, negative unconditional: 43, unknown: 1088, unknown conditional: 0, unknown unconditional: 1088] , Statistics on independence cache: Total cache size (in pairs): 98, Positive cache size: 75, Positive conditional cache size: 0, Positive unconditional cache size: 75, Negative cache size: 23, Negative conditional cache size: 0, Negative unconditional cache size: 23 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3429.8ms, 43 PlacesBefore, 31 PlacesAfterwards, 32 TransitionsBefore, 22 TransitionsAfterwards, 234 CoEnabledTransitionPairs, 4 FixpointIterations, 9 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 10 TotalNumberOfCompositions, 1040 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 281, positive: 202, positive conditional: 0, positive unconditional: 202, negative: 79, negative conditional: 0, negative unconditional: 79, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 57, positive: 39, positive conditional: 0, positive unconditional: 39, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 57, positive: 39, positive conditional: 0, positive unconditional: 39, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 57, positive: 39, positive conditional: 0, positive unconditional: 39, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 18, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 347, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 347, negative conditional: 0, negative unconditional: 347, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 281, positive: 163, positive conditional: 0, positive unconditional: 163, negative: 61, negative conditional: 0, negative unconditional: 61, unknown: 57, unknown conditional: 0, unknown unconditional: 57] , Statistics on independence cache: Total cache size (in pairs): 130, Positive cache size: 96, Positive conditional cache size: 0, Positive unconditional cache size: 96, Negative cache size: 34, Negative conditional cache size: 0, Negative unconditional cache size: 34 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1101.4ms, 32 PlacesBefore, 31 PlacesAfterwards, 24 TransitionsBefore, 23 TransitionsAfterwards, 242 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 444 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 85, positive: 53, positive conditional: 0, positive unconditional: 53, negative: 32, negative conditional: 0, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 10, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 10, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 6, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 195, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 195, negative conditional: 0, negative unconditional: 195, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 85, positive: 49, positive conditional: 0, positive unconditional: 49, negative: 26, negative conditional: 0, negative unconditional: 26, unknown: 10, unknown conditional: 0, unknown unconditional: 10] , Statistics on independence cache: Total cache size (in pairs): 140, Positive cache size: 100, Positive conditional cache size: 0, Positive unconditional cache size: 100, Negative cache size: 40, Negative conditional cache size: 0, Negative unconditional cache size: 40 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 58.7ms, 33 PlacesBefore, 33 PlacesAfterwards, 23 TransitionsBefore, 23 TransitionsAfterwards, 240 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 209 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 55, positive: 40, positive conditional: 0, positive unconditional: 40, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4, positive: 2, positive conditional: 0, positive unconditional: 2, 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: 4, positive: 2, positive conditional: 0, positive unconditional: 2, 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: 51, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 51, negative conditional: 0, negative unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 55, positive: 38, positive conditional: 0, positive unconditional: 38, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , Statistics on independence cache: Total cache size (in pairs): 144, Positive cache size: 102, Positive conditional cache size: 0, Positive unconditional cache size: 102, Negative cache size: 42, Negative conditional cache size: 0, Negative unconditional cache size: 42 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 14.4ms, 34 PlacesBefore, 34 PlacesAfterwards, 25 TransitionsBefore, 25 TransitionsAfterwards, 258 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 175 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 45, positive: 33, positive conditional: 0, positive unconditional: 33, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2, positive: 1, positive conditional: 0, positive unconditional: 1, 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: 2, positive: 1, positive conditional: 0, positive unconditional: 1, 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: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 45, positive: 32, positive conditional: 0, positive unconditional: 32, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 146, Positive cache size: 103, Positive conditional cache size: 0, Positive unconditional cache size: 103, Negative cache size: 43, Negative conditional cache size: 0, Negative unconditional cache size: 43 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 42.6ms, 36 PlacesBefore, 36 PlacesAfterwards, 25 TransitionsBefore, 25 TransitionsAfterwards, 258 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 218 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 62, positive: 47, positive conditional: 0, positive unconditional: 47, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.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: 31, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 31, negative conditional: 0, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 62, positive: 45, positive conditional: 0, positive unconditional: 45, 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): 149, Positive cache size: 105, Positive conditional cache size: 0, Positive unconditional cache size: 105, Negative cache size: 44, Negative conditional cache size: 0, Negative unconditional cache size: 44 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 48.0ms, 39 PlacesBefore, 39 PlacesAfterwards, 25 TransitionsBefore, 25 TransitionsAfterwards, 238 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 197 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 55, positive: 41, positive conditional: 0, positive unconditional: 41, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.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.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: 38, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 38, negative conditional: 0, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 55, positive: 41, positive conditional: 0, positive unconditional: 41, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 150, Positive cache size: 105, Positive conditional cache size: 0, Positive unconditional cache size: 105, Negative cache size: 45, Negative conditional cache size: 0, Negative unconditional cache size: 45 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 17.0ms, 40 PlacesBefore, 40 PlacesAfterwards, 28 TransitionsBefore, 28 TransitionsAfterwards, 268 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 81 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 20, positive: 14, positive conditional: 0, positive unconditional: 14, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.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: 20, positive: 13, positive conditional: 0, positive unconditional: 13, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 151, Positive cache size: 106, Positive conditional cache size: 0, Positive unconditional cache size: 106, Negative cache size: 45, Negative conditional cache size: 0, Negative unconditional cache size: 45 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 40.9ms, 42 PlacesBefore, 42 PlacesAfterwards, 32 TransitionsBefore, 32 TransitionsAfterwards, 274 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 33 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 15, positive: 13, positive conditional: 0, positive unconditional: 13, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.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: 15, positive: 11, positive conditional: 0, positive unconditional: 11, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 153, Positive cache size: 108, Positive conditional cache size: 0, Positive unconditional cache size: 108, Negative cache size: 45, Negative conditional cache size: 0, Negative unconditional cache size: 45 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 45.4ms, 45 PlacesBefore, 45 PlacesAfterwards, 32 TransitionsBefore, 32 TransitionsAfterwards, 274 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 48 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 21, positive: 18, positive conditional: 0, positive unconditional: 18, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.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: 21, positive: 17, positive conditional: 0, positive unconditional: 17, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 154, Positive cache size: 109, Positive conditional cache size: 0, Positive unconditional cache size: 109, Negative cache size: 45, Negative conditional cache size: 0, Negative unconditional cache size: 45 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 35.2ms, 46 PlacesBefore, 46 PlacesAfterwards, 34 TransitionsBefore, 34 TransitionsAfterwards, 290 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 62 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 22, positive: 18, positive conditional: 0, positive unconditional: 18, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: 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: 22, positive: 18, positive conditional: 0, positive unconditional: 18, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 154, Positive cache size: 109, Positive conditional cache size: 0, Positive unconditional cache size: 109, Negative cache size: 45, Negative conditional cache size: 0, Negative unconditional cache size: 45 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 53.7ms, 50 PlacesBefore, 50 PlacesAfterwards, 37 TransitionsBefore, 37 TransitionsAfterwards, 318 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 104 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 40, positive: 35, positive conditional: 0, positive unconditional: 35, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.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.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: 5, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 40, positive: 35, positive conditional: 0, positive unconditional: 35, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 155, Positive cache size: 109, Positive conditional cache size: 0, Positive unconditional cache size: 109, Negative cache size: 46, Negative conditional cache size: 0, Negative unconditional cache size: 46 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 67.4ms, 55 PlacesBefore, 55 PlacesAfterwards, 44 TransitionsBefore, 44 TransitionsAfterwards, 444 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 17 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.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] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.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: 3, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 156, Positive cache size: 110, Positive conditional cache size: 0, Positive unconditional cache size: 110, Negative cache size: 46, Negative conditional cache size: 0, Negative unconditional cache size: 46 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 105.3ms, 60 PlacesBefore, 58 PlacesAfterwards, 44 TransitionsBefore, 44 TransitionsAfterwards, 420 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 15 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 15, positive: 15, positive conditional: 0, positive unconditional: 15, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.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: 15, positive: 14, positive conditional: 0, positive unconditional: 14, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 143, Positive cache size: 103, Positive conditional cache size: 0, Positive unconditional cache size: 103, Negative cache size: 40, Negative conditional cache size: 0, Negative unconditional cache size: 40 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 60.2ms, 64 PlacesBefore, 64 PlacesAfterwards, 50 TransitionsBefore, 48 TransitionsAfterwards, 468 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 2 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 42 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 42, positive: 42, positive conditional: 0, positive unconditional: 42, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.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: 42, positive: 40, positive conditional: 0, positive unconditional: 40, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 132, Positive cache size: 95, Positive conditional cache size: 0, Positive unconditional cache size: 95, Negative cache size: 37, Negative conditional cache size: 0, Negative unconditional cache size: 37 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 33.6ms, 62 PlacesBefore, 62 PlacesAfterwards, 45 TransitionsBefore, 45 TransitionsAfterwards, 300 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 132, Positive cache size: 95, Positive conditional cache size: 0, Positive unconditional cache size: 95, Negative cache size: 37, Negative conditional cache size: 0, Negative unconditional cache size: 37 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 36.9ms, 66 PlacesBefore, 66 PlacesAfterwards, 53 TransitionsBefore, 53 TransitionsAfterwards, 344 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 132, Positive cache size: 95, Positive conditional cache size: 0, Positive unconditional cache size: 95, Negative cache size: 37, Negative conditional cache size: 0, Negative unconditional cache size: 37 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 185.7ms, 72 PlacesBefore, 65 PlacesAfterwards, 45 TransitionsBefore, 45 TransitionsAfterwards, 292 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 8 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 8, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.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: 8, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 123, Positive cache size: 89, Positive conditional cache size: 0, Positive unconditional cache size: 89, Negative cache size: 34, Negative conditional cache size: 0, Negative unconditional cache size: 34 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5203.9ms, 65 PlacesBefore, 59 PlacesAfterwards, 43 TransitionsBefore, 39 TransitionsAfterwards, 206 CoEnabledTransitionPairs, 3 FixpointIterations, 1 TrivialSequentialCompositions, 4 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 7 TotalNumberOfCompositions, 44 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 44, positive: 44, positive conditional: 0, positive unconditional: 44, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 8, positive: 8, positive conditional: 0, positive unconditional: 8, 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: 8, positive: 8, positive conditional: 0, positive unconditional: 8, 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: 44, positive: 36, positive conditional: 0, positive unconditional: 36, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 8, unknown conditional: 0, unknown unconditional: 8] , Statistics on independence cache: Total cache size (in pairs): 69, Positive cache size: 57, Positive conditional cache size: 0, Positive unconditional cache size: 57, Negative cache size: 12, Negative conditional cache size: 0, Negative unconditional cache size: 12 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 759.5ms, 55 PlacesBefore, 54 PlacesAfterwards, 34 TransitionsBefore, 34 TransitionsAfterwards, 110 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 3 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ 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] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.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: 3, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 64, Positive cache size: 56, Positive conditional cache size: 0, Positive unconditional cache size: 56, Negative cache size: 8, Negative conditional cache size: 0, Negative unconditional cache size: 8 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L709] 0 int __unbuffered_cnt = 0; [L711] 0 int __unbuffered_p2_EAX = 0; [L712] 0 _Bool main$tmp_guard0; [L713] 0 _Bool main$tmp_guard1; [L715] 0 int x = 0; [L717] 0 int y = 0; [L718] 0 _Bool y$flush_delayed; [L719] 0 int y$mem_tmp; [L720] 0 _Bool y$r_buff0_thd0; [L721] 0 _Bool y$r_buff0_thd1; [L722] 0 _Bool y$r_buff0_thd2; [L723] 0 _Bool y$r_buff0_thd3; [L724] 0 _Bool y$r_buff1_thd0; [L725] 0 _Bool y$r_buff1_thd1; [L726] 0 _Bool y$r_buff1_thd2; [L727] 0 _Bool y$r_buff1_thd3; [L728] 0 _Bool y$read_delayed; [L729] 0 int *y$read_delayed_var; [L730] 0 int y$w_buff0; [L731] 0 _Bool y$w_buff0_used; [L732] 0 int y$w_buff1; [L733] 0 _Bool y$w_buff1_used; [L734] 0 _Bool weak$$choice0; [L735] 0 _Bool weak$$choice2; [L813] 0 pthread_t t2186; [L814] FCALL, FORK 0 pthread_create(&t2186, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L739] 1 y$w_buff1 = y$w_buff0 [L740] 1 y$w_buff0 = 2 [L741] 1 y$w_buff1_used = y$w_buff0_used [L742] 1 y$w_buff0_used = (_Bool)1 [L18] COND FALSE 1 !(!expression) [L744] 1 y$r_buff1_thd0 = y$r_buff0_thd0 [L745] 1 y$r_buff1_thd1 = y$r_buff0_thd1 [L746] 1 y$r_buff1_thd2 = y$r_buff0_thd2 [L747] 1 y$r_buff1_thd3 = y$r_buff0_thd3 [L748] 1 y$r_buff0_thd1 = (_Bool)1 [L751] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L815] 0 pthread_t t2187; [L816] FCALL, FORK 0 pthread_create(&t2187, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L817] 0 pthread_t t2188; [L818] FCALL, FORK 0 pthread_create(&t2188, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L768] 2 x = 2 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L771] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L771] EXPR 2 y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y [L771] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L771] 2 y = y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L772] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L772] 2 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L773] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L773] 2 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L774] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L774] 2 y$r_buff0_thd2 = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L775] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L775] 2 y$r_buff1_thd2 = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L785] 3 __unbuffered_p2_EAX = x [L788] 3 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=2, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L791] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L791] EXPR 3 y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y [L791] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L791] 3 y = y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L792] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L792] 3 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L793] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L793] 3 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L794] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L794] 3 y$r_buff0_thd3 = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L795] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L795] 3 y$r_buff1_thd3 = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L754] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L754] 1 y = y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L755] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used [L755] 1 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used [L756] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$w_buff1_used [L756] 1 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$w_buff1_used [L757] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1 [L757] 1 y$r_buff0_thd1 = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1 [L758] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$r_buff1_thd1 [L758] 1 y$r_buff1_thd1 = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$r_buff1_thd1 [L761] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L763] 1 return 0; [L778] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L780] 2 return 0; [L798] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L800] 3 return 0; [L820] 0 main$tmp_guard0 = __unbuffered_cnt == 3 [L3] COND FALSE 0 !(!cond) [L824] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L824] EXPR 0 y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y [L824] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L824] 0 y = y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L825] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L825] 0 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L826] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L826] 0 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L827] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L827] 0 y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L828] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L828] 0 y$r_buff1_thd0 = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L831] 0 weak$$choice0 = __VERIFIER_nondet_bool() [L832] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L833] 0 y$flush_delayed = weak$$choice2 [L834] 0 y$mem_tmp = y [L835] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff1) [L835] 0 y = !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff1) [L836] EXPR 0 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0)) [L836] 0 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0)) [L837] EXPR 0 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1)) [L837] 0 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1)) [L838] EXPR 0 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used)) [L838] 0 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used)) [L839] EXPR 0 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L839] 0 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L840] EXPR 0 weak$$choice2 ? y$r_buff0_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff0_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0)) [L840] 0 y$r_buff0_thd0 = weak$$choice2 ? y$r_buff0_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff0_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0)) [L841] EXPR 0 weak$$choice2 ? y$r_buff1_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L841] 0 y$r_buff1_thd0 = weak$$choice2 ? y$r_buff1_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L842] 0 main$tmp_guard1 = !(x == 2 && y == 2 && __unbuffered_p2_EAX == 2) [L843] EXPR 0 y$flush_delayed ? y$mem_tmp : y [L843] 0 y = y$flush_delayed ? y$mem_tmp : y [L844] 0 y$flush_delayed = (_Bool)0 [L18] COND TRUE 0 !expression [L18] 0 reach_error() VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p2_EAX=2, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=55, weak$$choice2=255, x=2, y=2, y$flush_delayed=0, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 94 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 2.6ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 25175.6ms, OverallIterations: 20, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 2584.1ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 8047.7ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 87 SDtfs, 31 SDslu, 28 SDs, 0 SdLazy, 494 SolverSat, 134 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 741.6ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 88 GetRequests, 10 SyntacticMatches, 2 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 1449.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=465occurred in iteration=16, InterpolantAutomatonStates: 90, 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: 64.6ms SsaConstructionTime, 550.2ms SatisfiabilityAnalysisTime, 2206.7ms InterpolantComputationTime, 285 NumberOfCodeBlocks, 285 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 250 ConstructedInterpolants, 0 QuantifiedInterpolants, 2543 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 19 InterpolantComputations, 19 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...