/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-SemanticLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe001_pso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-0e22065b97d0a1f8b3904e080cebe0f05e88d2b7-0e22065 [2021-06-10 21:06:26,579 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-10 21:06:26,585 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-10 21:06:26,629 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-10 21:06:26,629 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-10 21:06:26,632 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-10 21:06:26,634 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-10 21:06:26,640 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-10 21:06:26,642 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-10 21:06:26,647 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-10 21:06:26,648 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-10 21:06:26,648 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-10 21:06:26,649 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-10 21:06:26,649 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-10 21:06:26,650 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-10 21:06:26,651 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-10 21:06:26,652 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-10 21:06:26,652 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-10 21:06:26,654 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-10 21:06:26,655 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-10 21:06:26,656 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-10 21:06:26,657 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-10 21:06:26,658 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-10 21:06:26,658 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-10 21:06:26,660 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-06-10 21:06:26,661 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-06-10 21:06:26,661 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-06-10 21:06:26,662 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-06-10 21:06:26,662 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-06-10 21:06:26,663 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-06-10 21:06:26,663 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-10 21:06:26,663 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-10 21:06:26,664 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-10 21:06:26,665 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-10 21:06:26,666 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-10 21:06:26,666 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-10 21:06:26,667 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-10 21:06:26,667 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-10 21:06:26,667 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-10 21:06:26,668 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-10 21:06:26,669 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-10 21:06:26,669 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-SemanticLbe.epf [2021-06-10 21:06:26,688 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-10 21:06:26,689 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-10 21:06:26,690 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-10 21:06:26,690 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-10 21:06:26,690 INFO L138 SettingsManager]: * Use SBE=true [2021-06-10 21:06:26,690 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-10 21:06:26,691 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-10 21:06:26,691 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-10 21:06:26,691 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-10 21:06:26,691 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-10 21:06:26,691 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-10 21:06:26,692 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-10 21:06:26,692 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-10 21:06:26,692 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-10 21:06:26,692 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-10 21:06:26,692 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-10 21:06:26,692 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-10 21:06:26,693 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-10 21:06:26,693 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-10 21:06:26,693 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-10 21:06:26,693 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-10 21:06:26,693 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-10 21:06:26,694 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-10 21:06:26,694 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-10 21:06:26,694 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-10 21:06:26,694 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-10 21:06:26,694 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-10 21:06:26,695 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-06-10 21:06:26,695 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-10 21:06:27,028 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-10 21:06:27,050 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-10 21:06:27,052 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-10 21:06:27,053 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-10 21:06:27,057 INFO L275 PluginConnector]: CDTParser initialized [2021-06-10 21:06:27,058 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe001_pso.oepc.i [2021-06-10 21:06:27,113 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c8d1cc6ed/3a164bc3c3f64839a3543b34dba08f86/FLAGc77fd277e [2021-06-10 21:06:27,691 INFO L306 CDTParser]: Found 1 translation units. [2021-06-10 21:06:27,692 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe001_pso.oepc.i [2021-06-10 21:06:27,719 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c8d1cc6ed/3a164bc3c3f64839a3543b34dba08f86/FLAGc77fd277e [2021-06-10 21:06:27,966 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c8d1cc6ed/3a164bc3c3f64839a3543b34dba08f86 [2021-06-10 21:06:27,971 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-10 21:06:27,973 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-10 21:06:27,974 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-10 21:06:27,974 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-10 21:06:27,978 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-10 21:06:27,978 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.06 09:06:27" (1/1) ... [2021-06-10 21:06:27,979 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70ee5bc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 09:06:27, skipping insertion in model container [2021-06-10 21:06:27,980 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.06 09:06:27" (1/1) ... [2021-06-10 21:06:27,985 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-10 21:06:28,047 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-10 21:06:28,173 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/safe001_pso.oepc.i[950,963] [2021-06-10 21:06:28,385 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-10 21:06:28,391 INFO L203 MainTranslator]: Completed pre-run [2021-06-10 21:06:28,401 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/safe001_pso.oepc.i[950,963] [2021-06-10 21:06:28,446 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-10 21:06:28,501 INFO L208 MainTranslator]: Completed translation [2021-06-10 21:06:28,502 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 09:06:28 WrapperNode [2021-06-10 21:06:28,502 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-10 21:06:28,503 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-10 21:06:28,503 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-10 21:06:28,503 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-10 21:06:28,509 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 09:06:28" (1/1) ... [2021-06-10 21:06:28,522 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 09:06:28" (1/1) ... [2021-06-10 21:06:28,548 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-10 21:06:28,549 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-10 21:06:28,549 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-10 21:06:28,549 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-10 21:06:28,556 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 09:06:28" (1/1) ... [2021-06-10 21:06:28,556 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 09:06:28" (1/1) ... [2021-06-10 21:06:28,560 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 09:06:28" (1/1) ... [2021-06-10 21:06:28,560 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 09:06:28" (1/1) ... [2021-06-10 21:06:28,568 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 09:06:28" (1/1) ... [2021-06-10 21:06:28,571 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 09:06:28" (1/1) ... [2021-06-10 21:06:28,590 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 09:06:28" (1/1) ... [2021-06-10 21:06:28,594 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-10 21:06:28,595 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-10 21:06:28,595 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-10 21:06:28,595 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-10 21:06:28,596 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 09:06:28" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-10 21:06:28,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-10 21:06:28,691 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-10 21:06:28,692 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-10 21:06:28,692 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-10 21:06:28,692 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-06-10 21:06:28,693 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-06-10 21:06:28,693 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-06-10 21:06:28,693 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-06-10 21:06:28,694 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-06-10 21:06:28,694 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-06-10 21:06:28,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-10 21:06:28,694 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-10 21:06:28,694 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-10 21:06:28,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-10 21:06:28,696 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-10 21:06:30,681 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-10 21:06:30,682 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-06-10 21:06:30,684 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.06 09:06:30 BoogieIcfgContainer [2021-06-10 21:06:30,684 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-10 21:06:30,687 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-10 21:06:30,687 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-10 21:06:30,690 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-10 21:06:30,690 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.06 09:06:27" (1/3) ... [2021-06-10 21:06:30,691 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57586c48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.06 09:06:30, skipping insertion in model container [2021-06-10 21:06:30,691 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 09:06:28" (2/3) ... [2021-06-10 21:06:30,691 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57586c48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.06 09:06:30, skipping insertion in model container [2021-06-10 21:06:30,692 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.06 09:06:30" (3/3) ... [2021-06-10 21:06:30,693 INFO L111 eAbstractionObserver]: Analyzing ICFG safe001_pso.oepc.i [2021-06-10 21:06:30,698 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-10 21:06:30,702 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-06-10 21:06:30,703 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-10 21:06:30,744 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:06:30,744 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:06:30,744 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:06:30,744 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:06:30,744 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:06:30,744 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:06:30,745 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:06:30,745 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:06:30,745 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:06:30,745 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:06:30,745 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:06:30,745 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:06:30,745 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:06:30,746 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:06:30,746 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:06:30,746 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:06:30,746 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:06:30,746 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:06:30,746 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:06:30,746 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:06:30,747 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:06:30,747 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:06:30,747 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:06:30,747 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:06:30,747 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:06:30,748 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:06:30,748 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:06:30,749 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:06:30,749 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:06:30,749 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:06:30,749 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:06:30,749 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:06:30,749 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:06:30,749 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:06:30,749 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:06:30,750 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:06:30,750 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:06:30,750 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:06:30,750 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:06:30,750 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:06:30,750 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:06:30,750 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:06:30,751 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:06:30,751 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:06:30,751 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:06:30,751 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:06:30,751 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:06:30,751 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:06:30,751 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:06:30,752 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:06:30,752 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:06:30,752 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:06:30,752 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:06:30,752 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:06:30,752 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:06:30,752 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:06:30,753 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:06:30,753 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:06:30,753 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:06:30,753 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:06:30,753 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:06:30,753 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:06:30,754 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:06:30,754 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:06:30,754 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:06:30,754 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:06:30,754 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:06:30,754 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:06:30,754 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:06:30,754 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:06:30,755 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:06:30,755 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:06:30,755 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:06:30,755 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:06:30,755 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:06:30,755 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:06:30,755 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:06:30,755 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:06:30,756 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:06:30,756 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:06:30,756 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:06:30,756 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:06:30,756 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:06:30,757 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:06:30,757 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:06:30,757 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:06:30,758 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:06:30,759 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:06:30,759 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:06:30,759 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:06:30,759 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:06:30,759 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:06:30,759 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:06:30,760 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:06:30,760 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:06:30,760 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:06:30,760 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:06:30,760 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:06:30,762 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:06:30,762 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:06:30,762 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:06:30,762 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:06:30,762 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:06:30,763 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:06:30,763 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:06:30,763 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:06:30,763 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:06:30,763 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:06:30,764 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:06:30,765 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:06:30,765 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:06:30,765 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:06:30,765 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:06:30,765 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:06:30,765 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:06:30,765 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:06:30,765 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:06:30,766 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 21:06:30,766 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-10 21:06:30,782 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-06-10 21:06:30,797 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-06-10 21:06:30,797 INFO L377 AbstractCegarLoop]: Hoare is false [2021-06-10 21:06:30,797 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-10 21:06:30,797 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-10 21:06:30,797 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-10 21:06:30,797 INFO L381 AbstractCegarLoop]: Difference is false [2021-06-10 21:06:30,797 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-10 21:06:30,797 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-06-10 21:06:30,807 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 105 places, 97 transitions, 209 flow [2021-06-10 21:06:30,838 INFO L129 PetriNetUnfolder]: 2/94 cut-off events. [2021-06-10 21:06:30,838 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-10 21:06:30,841 INFO L84 FinitePrefix]: Finished finitePrefix Result has 104 conditions, 94 events. 2/94 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 71 event pairs, 0 based on Foata normal form. 0/90 useless extension candidates. Maximal degree in co-relation 61. Up to 2 conditions per place. [2021-06-10 21:06:30,842 INFO L82 GeneralOperation]: Start removeDead. Operand has 105 places, 97 transitions, 209 flow [2021-06-10 21:06:30,845 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 102 places, 94 transitions, 197 flow [2021-06-10 21:06:30,847 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-10 21:06:30,858 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 102 places, 94 transitions, 197 flow [2021-06-10 21:06:30,861 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 102 places, 94 transitions, 197 flow [2021-06-10 21:06:30,863 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 102 places, 94 transitions, 197 flow [2021-06-10 21:06:30,879 INFO L129 PetriNetUnfolder]: 2/94 cut-off events. [2021-06-10 21:06:30,879 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-10 21:06:30,880 INFO L84 FinitePrefix]: Finished finitePrefix Result has 104 conditions, 94 events. 2/94 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 70 event pairs, 0 based on Foata normal form. 0/90 useless extension candidates. Maximal degree in co-relation 61. Up to 2 conditions per place. [2021-06-10 21:06:30,882 INFO L151 LiptonReduction]: Number of co-enabled transitions 1686 [2021-06-10 21:06:30,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:06:30,994 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 21:06:30,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:06:30,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 21:06:30,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 21:06:31,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:06:31,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 21:06:31,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:06:31,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 21:06:31,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:06:31,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 21:06:31,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:06:31,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 21:06:31,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:06:31,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 21:06:31,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:06:31,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 21:06:31,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:06:31,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 21:06:31,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:06:31,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 21:06:31,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:06:31,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 21:06:31,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:06:31,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 21:06:31,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:06:31,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 21:06:31,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:06:31,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 21:06:31,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:06:31,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 21:06:31,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:06:31,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 21:06:31,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:06:31,601 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 21:06:31,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:06:31,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 21:06:31,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 21:06:31,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:06:31,749 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2021-06-10 21:06:31,750 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-10 21:06:31,776 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:06:31,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 21:06:31,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:06:31,991 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 21:06:31,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:06:31,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 21:06:31,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 21:06:32,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:06:32,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 21:06:32,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:06:32,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 21:06:32,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:06:32,276 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 21:06:32,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:06:32,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 21:06:32,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 21:06:32,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:06:32,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 21:06:32,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:06:32,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 21:06:32,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:06:32,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 21:06:32,487 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-06-10 21:06:32,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 21:06:32,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:06:32,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 21:06:32,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:06:32,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 21:06:32,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:06:32,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 21:06:32,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:06:32,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 21:06:32,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:06:32,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 21:06:32,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:06:32,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 21:06:32,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:06:32,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 21:06:32,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:06:32,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 21:06:32,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:06:32,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 21:06:32,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:06:32,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 21:06:33,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:06:33,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 21:06:33,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:06:33,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 21:06:33,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:06:33,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 21:06:33,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:06:33,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 21:06:33,477 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2021-06-10 21:06:33,904 WARN L205 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 83 [2021-06-10 21:06:34,044 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-06-10 21:06:34,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:06:34,062 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 21:06:34,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:06:34,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-06-10 21:06:34,066 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 21:06:34,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:06:34,068 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 3, 2, 1] term [2021-06-10 21:06:34,068 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-10 21:06:34,071 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:06:34,073 INFO L147 QuantifierPusher]: treesize reduction 37, result has 63.0 percent of original size 63 [2021-06-10 21:06:34,073 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 21:06:34,074 INFO L142 QuantifierPusher]: treesize reduction 37, result has 76.9 percent of original size [2021-06-10 21:06:34,075 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 4, 2, 1] term [2021-06-10 21:06:34,076 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-10 21:06:34,077 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:06:34,079 INFO L147 QuantifierPusher]: treesize reduction 89, result has 36.0 percent of original size 50 [2021-06-10 21:06:34,080 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 3, 2, 4, 2, 1] term [2021-06-10 21:06:34,080 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-10 21:06:34,082 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:06:34,085 INFO L147 QuantifierPusher]: treesize reduction 154, result has 42.1 percent of original size 112 [2021-06-10 21:06:34,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:06:34,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 21:06:34,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:06:34,325 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 21:06:34,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:06:34,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 21:06:34,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 21:06:34,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:06:34,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 21:06:34,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:06:34,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 21:06:34,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:06:34,484 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 21:06:34,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:06:34,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 21:06:34,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 21:06:34,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:06:34,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 21:06:34,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:06:34,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 21:06:34,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:06:34,655 INFO L147 QuantifierPusher]: treesize reduction 80, result has 25.2 percent of original size 27 [2021-06-10 21:06:34,699 INFO L142 QuantifierPusher]: treesize reduction 84, result has 91.2 percent of original size [2021-06-10 21:06:34,724 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 21:06:34,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:06:34,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 103 [2021-06-10 21:06:34,731 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 21:06:34,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:06:34,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 103 [2021-06-10 21:06:34,740 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 21:06:34,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:06:34,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 103 [2021-06-10 21:06:34,746 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 21:06:34,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:06:34,752 INFO L147 QuantifierPusher]: treesize reduction 13, result has 82.4 percent of original size 61 [2021-06-10 21:06:34,752 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 21:06:34,754 INFO L142 QuantifierPusher]: treesize reduction 13, result has 92.7 percent of original size [2021-06-10 21:06:34,755 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 5, 2, 2, 4, 3, 2, 1] term [2021-06-10 21:06:34,755 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-10 21:06:34,758 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:06:34,758 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 5, 4, 3, 2, 1] term [2021-06-10 21:06:34,758 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-10 21:06:34,760 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:06:34,766 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 5, 2, 2, 1] term [2021-06-10 21:06:34,767 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-10 21:06:34,768 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:06:34,772 INFO L147 QuantifierPusher]: treesize reduction 178, result has 42.4 percent of original size 131 [2021-06-10 21:06:34,772 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 21:06:34,775 INFO L142 QuantifierPusher]: treesize reduction 178, result has 57.0 percent of original size [2021-06-10 21:06:34,777 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 2, 4, 4, 2, 2, 1] term [2021-06-10 21:06:34,777 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-10 21:06:34,780 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:06:34,781 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 3, 3, 4, 2, 2, 1] term [2021-06-10 21:06:34,781 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-10 21:06:34,784 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:06:34,785 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 2, 3, 4, 2, 2, 1] term [2021-06-10 21:06:34,785 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-10 21:06:34,788 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:06:34,793 INFO L147 QuantifierPusher]: treesize reduction 439, result has 22.0 percent of original size 124 [2021-06-10 21:06:34,794 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 2, 4, 3, 3, 4, 3, 4, 3, 4, 2, 2, 1] term [2021-06-10 21:06:34,794 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-10 21:06:34,796 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:06:34,797 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 3, 4, 3, 3, 4, 3, 4, 3, 4, 2, 2, 1] term [2021-06-10 21:06:34,797 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-10 21:06:34,801 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:06:34,802 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 2, 4, 3, 3, 4, 3, 4, 3, 4, 2, 2, 1] term [2021-06-10 21:06:34,802 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-10 21:06:34,804 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:06:34,806 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 21:06:34,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:06:34,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 21:06:34,808 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 21:06:34,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:06:34,810 INFO L147 QuantifierPusher]: treesize reduction 29, result has 3.3 percent of original size 1 [2021-06-10 21:06:34,810 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 21:06:34,812 INFO L142 QuantifierPusher]: treesize reduction 31, result has 75.0 percent of original size [2021-06-10 21:06:34,814 INFO L147 QuantifierPusher]: treesize reduction 6, result has 90.2 percent of original size 55 [2021-06-10 21:06:34,820 INFO L147 QuantifierPusher]: treesize reduction 1755, result has 8.4 percent of original size 160 [2021-06-10 21:06:34,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:06:34,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 21:06:34,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:06:35,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 21:06:35,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:06:35,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 21:06:35,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:06:35,209 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 21:06:35,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:06:35,211 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 21:06:35,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:06:35,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 21:06:35,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 21:06:35,212 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 21:06:35,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:06:35,214 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 21:06:35,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:06:35,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-10 21:06:35,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-10 21:06:35,216 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 21:06:35,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:06:35,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-10 21:06:35,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-10 21:06:35,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:06:35,419 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 21:06:35,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:06:35,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 21:06:35,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 21:06:35,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:06:35,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 21:06:35,981 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 112 [2021-06-10 21:06:36,098 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-06-10 21:06:36,355 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 112 [2021-06-10 21:06:36,491 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-06-10 21:06:36,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:06:36,508 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 21:06:36,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:06:36,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 21:06:36,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 21:06:36,521 INFO L163 LiptonReduction]: Checked pairs total: 4853 [2021-06-10 21:06:36,521 INFO L165 LiptonReduction]: Total number of compositions: 86 [2021-06-10 21:06:36,523 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5677 [2021-06-10 21:06:36,530 INFO L129 PetriNetUnfolder]: 0/8 cut-off events. [2021-06-10 21:06:36,531 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-10 21:06:36,531 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 21:06:36,531 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2021-06-10 21:06:36,532 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-10 21:06:36,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 21:06:36,536 INFO L82 PathProgramCache]: Analyzing trace with hash 1021376519, now seen corresponding path program 1 times [2021-06-10 21:06:36,542 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 21:06:36,542 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577395849] [2021-06-10 21:06:36,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 21:06:36,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 21:06:36,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:06:36,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 21:06:36,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 21:06:36,705 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [577395849] [2021-06-10 21:06:36,706 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-10 21:06:36,706 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-06-10 21:06:36,706 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814694144] [2021-06-10 21:06:36,715 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-10 21:06:36,715 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 21:06:36,725 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-10 21:06:36,726 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-10 21:06:36,728 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 150 out of 183 [2021-06-10 21:06:36,733 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 28 transitions, 65 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) [2021-06-10 21:06:36,733 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 21:06:36,733 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 150 of 183 [2021-06-10 21:06:36,734 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 21:06:36,830 INFO L129 PetriNetUnfolder]: 49/134 cut-off events. [2021-06-10 21:06:36,830 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-10 21:06:36,831 INFO L84 FinitePrefix]: Finished finitePrefix Result has 230 conditions, 134 events. 49/134 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 592 event pairs, 27 based on Foata normal form. 23/139 useless extension candidates. Maximal degree in co-relation 220. Up to 65 conditions per place. [2021-06-10 21:06:36,833 INFO L132 encePairwiseOnDemand]: 178/183 looper letters, 9 selfloop transitions, 2 changer transitions 0/29 dead transitions. [2021-06-10 21:06:36,833 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 29 transitions, 89 flow [2021-06-10 21:06:36,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-10 21:06:36,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-06-10 21:06:36,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 466 transitions. [2021-06-10 21:06:36,845 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.848816029143898 [2021-06-10 21:06:36,846 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 466 transitions. [2021-06-10 21:06:36,846 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 466 transitions. [2021-06-10 21:06:36,847 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 21:06:36,849 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 466 transitions. [2021-06-10 21:06:36,853 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 155.33333333333334) internal successors, (466), 3 states have internal predecessors, (466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 21:06:36,859 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 183.0) internal successors, (732), 4 states have internal predecessors, (732), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 21:06:36,860 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 183.0) internal successors, (732), 4 states have internal predecessors, (732), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 21:06:36,862 INFO L185 Difference]: Start difference. First operand has 37 places, 28 transitions, 65 flow. Second operand 3 states and 466 transitions. [2021-06-10 21:06:36,862 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 29 transitions, 89 flow [2021-06-10 21:06:36,864 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 34 places, 29 transitions, 86 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-06-10 21:06:36,865 INFO L241 Difference]: Finished difference. Result has 34 places, 25 transitions, 60 flow [2021-06-10 21:06:36,867 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=183, PETRI_DIFFERENCE_MINUEND_FLOW=56, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=25, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=60, PETRI_PLACES=34, PETRI_TRANSITIONS=25} [2021-06-10 21:06:36,867 INFO L343 CegarLoopForPetriNet]: 37 programPoint places, -3 predicate places. [2021-06-10 21:06:36,868 INFO L480 AbstractCegarLoop]: Abstraction has has 34 places, 25 transitions, 60 flow [2021-06-10 21:06:36,868 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) [2021-06-10 21:06:36,868 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 21:06:36,868 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 21:06:36,868 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-06-10 21:06:36,869 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-10 21:06:36,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 21:06:36,869 INFO L82 PathProgramCache]: Analyzing trace with hash 1616601891, now seen corresponding path program 1 times [2021-06-10 21:06:36,869 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 21:06:36,869 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158552076] [2021-06-10 21:06:36,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 21:06:36,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 21:06:37,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:06:37,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 21:06:37,017 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-06-10 21:06:37,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 21:06:37,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 21:06:37,038 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1158552076] [2021-06-10 21:06:37,039 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-10 21:06:37,039 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-10 21:06:37,039 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181881985] [2021-06-10 21:06:37,040 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-10 21:06:37,040 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 21:06:37,040 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-10 21:06:37,040 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-10 21:06:37,041 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 146 out of 183 [2021-06-10 21:06:37,042 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 34 places, 25 transitions, 60 flow. Second operand has 4 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) [2021-06-10 21:06:37,042 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 21:06:37,042 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 146 of 183 [2021-06-10 21:06:37,042 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 21:06:37,102 INFO L129 PetriNetUnfolder]: 1/36 cut-off events. [2021-06-10 21:06:37,102 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-10 21:06:37,103 INFO L84 FinitePrefix]: Finished finitePrefix Result has 57 conditions, 36 events. 1/36 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 70 event pairs, 0 based on Foata normal form. 0/33 useless extension candidates. Maximal degree in co-relation 48. Up to 5 conditions per place. [2021-06-10 21:06:37,103 INFO L132 encePairwiseOnDemand]: 179/183 looper letters, 2 selfloop transitions, 2 changer transitions 7/29 dead transitions. [2021-06-10 21:06:37,103 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 29 transitions, 86 flow [2021-06-10 21:06:37,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-10 21:06:37,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-06-10 21:06:37,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 741 transitions. [2021-06-10 21:06:37,109 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8098360655737705 [2021-06-10 21:06:37,110 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 741 transitions. [2021-06-10 21:06:37,110 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 741 transitions. [2021-06-10 21:06:37,110 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 21:06:37,110 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 741 transitions. [2021-06-10 21:06:37,112 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 148.2) internal successors, (741), 5 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) [2021-06-10 21:06:37,114 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 183.0) internal successors, (1098), 6 states have internal predecessors, (1098), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 21:06:37,115 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 183.0) internal successors, (1098), 6 states have internal predecessors, (1098), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 21:06:37,115 INFO L185 Difference]: Start difference. First operand has 34 places, 25 transitions, 60 flow. Second operand 5 states and 741 transitions. [2021-06-10 21:06:37,115 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 29 transitions, 86 flow [2021-06-10 21:06:37,116 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 29 transitions, 82 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-06-10 21:06:37,116 INFO L241 Difference]: Finished difference. Result has 39 places, 22 transitions, 62 flow [2021-06-10 21:06:37,116 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=183, PETRI_DIFFERENCE_MINUEND_FLOW=56, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=25, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=62, PETRI_PLACES=39, PETRI_TRANSITIONS=22} [2021-06-10 21:06:37,117 INFO L343 CegarLoopForPetriNet]: 37 programPoint places, 2 predicate places. [2021-06-10 21:06:37,117 INFO L480 AbstractCegarLoop]: Abstraction has has 39 places, 22 transitions, 62 flow [2021-06-10 21:06:37,118 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 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) [2021-06-10 21:06:37,118 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 21:06:37,118 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 21:06:37,118 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-06-10 21:06:37,118 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-10 21:06:37,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 21:06:37,118 INFO L82 PathProgramCache]: Analyzing trace with hash 324492236, now seen corresponding path program 1 times [2021-06-10 21:06:37,119 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 21:06:37,119 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [306169511] [2021-06-10 21:06:37,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 21:06:37,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 21:06:37,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:06:37,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 21:06:37,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:06:37,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 21:06:37,196 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-06-10 21:06:37,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 21:06:37,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 21:06:37,213 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [306169511] [2021-06-10 21:06:37,214 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-10 21:06:37,214 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-10 21:06:37,214 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643158258] [2021-06-10 21:06:37,214 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-10 21:06:37,214 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 21:06:37,215 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-10 21:06:37,215 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-06-10 21:06:37,216 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 136 out of 183 [2021-06-10 21:06:37,217 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 22 transitions, 62 flow. Second operand has 5 states, 5 states have (on average 136.8) internal successors, (684), 5 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) [2021-06-10 21:06:37,217 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 21:06:37,217 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 136 of 183 [2021-06-10 21:06:37,217 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 21:06:37,294 INFO L129 PetriNetUnfolder]: 21/93 cut-off events. [2021-06-10 21:06:37,294 INFO L130 PetriNetUnfolder]: For 23/43 co-relation queries the response was YES. [2021-06-10 21:06:37,295 INFO L84 FinitePrefix]: Finished finitePrefix Result has 187 conditions, 93 events. 21/93 cut-off events. For 23/43 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 428 event pairs, 1 based on Foata normal form. 6/96 useless extension candidates. Maximal degree in co-relation 175. Up to 22 conditions per place. [2021-06-10 21:06:37,295 INFO L132 encePairwiseOnDemand]: 177/183 looper letters, 9 selfloop transitions, 4 changer transitions 9/37 dead transitions. [2021-06-10 21:06:37,295 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 37 transitions, 143 flow [2021-06-10 21:06:37,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-10 21:06:37,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-06-10 21:06:37,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 840 transitions. [2021-06-10 21:06:37,298 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7650273224043715 [2021-06-10 21:06:37,298 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 840 transitions. [2021-06-10 21:06:37,299 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 840 transitions. [2021-06-10 21:06:37,299 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 21:06:37,299 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 840 transitions. [2021-06-10 21:06:37,301 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 140.0) internal successors, (840), 6 states have internal predecessors, (840), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 21:06:37,304 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 183.0) internal successors, (1281), 7 states have internal predecessors, (1281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 21:06:37,304 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 183.0) internal successors, (1281), 7 states have internal predecessors, (1281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 21:06:37,304 INFO L185 Difference]: Start difference. First operand has 39 places, 22 transitions, 62 flow. Second operand 6 states and 840 transitions. [2021-06-10 21:06:37,305 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 37 transitions, 143 flow [2021-06-10 21:06:37,306 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 37 transitions, 133 flow, removed 2 selfloop flow, removed 4 redundant places. [2021-06-10 21:06:37,306 INFO L241 Difference]: Finished difference. Result has 39 places, 24 transitions, 88 flow [2021-06-10 21:06:37,306 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=183, PETRI_DIFFERENCE_MINUEND_FLOW=54, PETRI_DIFFERENCE_MINUEND_PLACES=30, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=22, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=88, PETRI_PLACES=39, PETRI_TRANSITIONS=24} [2021-06-10 21:06:37,307 INFO L343 CegarLoopForPetriNet]: 37 programPoint places, 2 predicate places. [2021-06-10 21:06:37,307 INFO L480 AbstractCegarLoop]: Abstraction has has 39 places, 24 transitions, 88 flow [2021-06-10 21:06:37,307 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 136.8) internal successors, (684), 5 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) [2021-06-10 21:06:37,307 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 21:06:37,308 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 21:06:37,308 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-06-10 21:06:37,308 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-10 21:06:37,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 21:06:37,308 INFO L82 PathProgramCache]: Analyzing trace with hash 825293596, now seen corresponding path program 1 times [2021-06-10 21:06:37,309 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 21:06:37,309 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942217621] [2021-06-10 21:06:37,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 21:06:37,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 21:06:37,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:06:37,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 21:06:37,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:06:37,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 21:06:37,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:06:37,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 21:06:37,392 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-06-10 21:06:37,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 21:06:37,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 21:06:37,409 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1942217621] [2021-06-10 21:06:37,410 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-10 21:06:37,410 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-10 21:06:37,410 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682250257] [2021-06-10 21:06:37,410 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-10 21:06:37,410 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 21:06:37,411 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-10 21:06:37,411 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-06-10 21:06:37,412 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 136 out of 183 [2021-06-10 21:06:37,413 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 24 transitions, 88 flow. Second operand has 5 states, 5 states have (on average 137.0) internal successors, (685), 5 states have internal predecessors, (685), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 21:06:37,413 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 21:06:37,413 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 136 of 183 [2021-06-10 21:06:37,413 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 21:06:37,520 INFO L129 PetriNetUnfolder]: 5/73 cut-off events. [2021-06-10 21:06:37,520 INFO L130 PetriNetUnfolder]: For 46/56 co-relation queries the response was YES. [2021-06-10 21:06:37,521 INFO L84 FinitePrefix]: Finished finitePrefix Result has 180 conditions, 73 events. 5/73 cut-off events. For 46/56 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 326 event pairs, 0 based on Foata normal form. 7/80 useless extension candidates. Maximal degree in co-relation 166. Up to 18 conditions per place. [2021-06-10 21:06:37,521 INFO L132 encePairwiseOnDemand]: 178/183 looper letters, 8 selfloop transitions, 3 changer transitions 8/34 dead transitions. [2021-06-10 21:06:37,521 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 34 transitions, 180 flow [2021-06-10 21:06:37,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-10 21:06:37,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-10 21:06:37,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1109 transitions. [2021-06-10 21:06:37,525 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7575136612021858 [2021-06-10 21:06:37,525 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1109 transitions. [2021-06-10 21:06:37,525 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1109 transitions. [2021-06-10 21:06:37,526 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 21:06:37,526 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1109 transitions. [2021-06-10 21:06:37,528 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 138.625) internal successors, (1109), 8 states have internal predecessors, (1109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 21:06:37,531 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 183.0) internal successors, (1647), 9 states have internal predecessors, (1647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 21:06:37,532 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 183.0) internal successors, (1647), 9 states have internal predecessors, (1647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 21:06:37,533 INFO L185 Difference]: Start difference. First operand has 39 places, 24 transitions, 88 flow. Second operand 8 states and 1109 transitions. [2021-06-10 21:06:37,533 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 34 transitions, 180 flow [2021-06-10 21:06:37,534 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 34 transitions, 152 flow, removed 9 selfloop flow, removed 4 redundant places. [2021-06-10 21:06:37,535 INFO L241 Difference]: Finished difference. Result has 46 places, 24 transitions, 98 flow [2021-06-10 21:06:37,535 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=183, PETRI_DIFFERENCE_MINUEND_FLOW=75, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=24, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=98, PETRI_PLACES=46, PETRI_TRANSITIONS=24} [2021-06-10 21:06:37,535 INFO L343 CegarLoopForPetriNet]: 37 programPoint places, 9 predicate places. [2021-06-10 21:06:37,535 INFO L480 AbstractCegarLoop]: Abstraction has has 46 places, 24 transitions, 98 flow [2021-06-10 21:06:37,536 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 137.0) internal successors, (685), 5 states have internal predecessors, (685), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 21:06:37,536 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 21:06:37,536 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 21:06:37,536 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-06-10 21:06:37,536 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-10 21:06:37,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 21:06:37,537 INFO L82 PathProgramCache]: Analyzing trace with hash -993517211, now seen corresponding path program 1 times [2021-06-10 21:06:37,537 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 21:06:37,537 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555813085] [2021-06-10 21:06:37,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 21:06:37,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 21:06:37,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:06:37,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 21:06:37,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:06:37,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 21:06:37,615 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-06-10 21:06:37,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 21:06:37,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 21:06:37,634 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [555813085] [2021-06-10 21:06:37,635 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-10 21:06:37,635 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-10 21:06:37,635 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428521084] [2021-06-10 21:06:37,635 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-10 21:06:37,635 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 21:06:37,636 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-10 21:06:37,636 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-06-10 21:06:37,637 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 139 out of 183 [2021-06-10 21:06:37,637 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 24 transitions, 98 flow. Second operand has 5 states, 5 states have (on average 140.2) internal successors, (701), 5 states have internal predecessors, (701), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 21:06:37,637 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 21:06:37,638 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 139 of 183 [2021-06-10 21:06:37,638 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 21:06:37,696 INFO L129 PetriNetUnfolder]: 0/51 cut-off events. [2021-06-10 21:06:37,696 INFO L130 PetriNetUnfolder]: For 70/70 co-relation queries the response was YES. [2021-06-10 21:06:37,696 INFO L84 FinitePrefix]: Finished finitePrefix Result has 135 conditions, 51 events. 0/51 cut-off events. For 70/70 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 191 event pairs, 0 based on Foata normal form. 3/54 useless extension candidates. Maximal degree in co-relation 0. Up to 12 conditions per place. [2021-06-10 21:06:37,696 INFO L132 encePairwiseOnDemand]: 177/183 looper letters, 4 selfloop transitions, 3 changer transitions 7/29 dead transitions. [2021-06-10 21:06:37,696 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 29 transitions, 161 flow [2021-06-10 21:06:37,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-10 21:06:37,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-06-10 21:06:37,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 710 transitions. [2021-06-10 21:06:37,699 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7759562841530054 [2021-06-10 21:06:37,699 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 710 transitions. [2021-06-10 21:06:37,699 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 710 transitions. [2021-06-10 21:06:37,699 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 21:06:37,699 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 710 transitions. [2021-06-10 21:06:37,701 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) [2021-06-10 21:06:37,702 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 183.0) internal successors, (1098), 6 states have internal predecessors, (1098), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 21:06:37,703 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 183.0) internal successors, (1098), 6 states have internal predecessors, (1098), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 21:06:37,703 INFO L185 Difference]: Start difference. First operand has 46 places, 24 transitions, 98 flow. Second operand 5 states and 710 transitions. [2021-06-10 21:06:37,703 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 29 transitions, 161 flow [2021-06-10 21:06:37,704 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 29 transitions, 134 flow, removed 11 selfloop flow, removed 6 redundant places. [2021-06-10 21:06:37,705 INFO L241 Difference]: Finished difference. Result has 41 places, 22 transitions, 82 flow [2021-06-10 21:06:37,705 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=183, PETRI_DIFFERENCE_MINUEND_FLOW=81, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=24, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=82, PETRI_PLACES=41, PETRI_TRANSITIONS=22} [2021-06-10 21:06:37,705 INFO L343 CegarLoopForPetriNet]: 37 programPoint places, 4 predicate places. [2021-06-10 21:06:37,705 INFO L480 AbstractCegarLoop]: Abstraction has has 41 places, 22 transitions, 82 flow [2021-06-10 21:06:37,705 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 140.2) internal successors, (701), 5 states have internal predecessors, (701), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 21:06:37,706 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 21:06:37,706 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 21:06:37,706 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-06-10 21:06:37,706 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-10 21:06:37,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 21:06:37,706 INFO L82 PathProgramCache]: Analyzing trace with hash 1404675791, now seen corresponding path program 1 times [2021-06-10 21:06:37,707 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 21:06:37,707 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213280067] [2021-06-10 21:06:37,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 21:06:37,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 21:06:37,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:06:37,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 21:06:37,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:06:37,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 21:06:37,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:06:37,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 21:06:37,831 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-06-10 21:06:37,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 21:06:37,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 21:06:37,847 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1213280067] [2021-06-10 21:06:37,847 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-10 21:06:37,847 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-10 21:06:37,848 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675658378] [2021-06-10 21:06:37,848 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-10 21:06:37,848 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 21:06:37,849 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-10 21:06:37,849 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-06-10 21:06:37,850 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 128 out of 183 [2021-06-10 21:06:37,850 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 22 transitions, 82 flow. Second operand has 5 states, 5 states have (on average 129.0) internal successors, (645), 5 states have internal predecessors, (645), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 21:06:37,850 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 21:06:37,850 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 183 [2021-06-10 21:06:37,851 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 21:06:38,026 INFO L129 PetriNetUnfolder]: 84/187 cut-off events. [2021-06-10 21:06:38,026 INFO L130 PetriNetUnfolder]: For 217/222 co-relation queries the response was YES. [2021-06-10 21:06:38,028 INFO L84 FinitePrefix]: Finished finitePrefix Result has 449 conditions, 187 events. 84/187 cut-off events. For 217/222 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 697 event pairs, 26 based on Foata normal form. 12/195 useless extension candidates. Maximal degree in co-relation 434. Up to 121 conditions per place. [2021-06-10 21:06:38,030 INFO L132 encePairwiseOnDemand]: 174/183 looper letters, 10 selfloop transitions, 9 changer transitions 12/44 dead transitions. [2021-06-10 21:06:38,030 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 44 transitions, 204 flow [2021-06-10 21:06:38,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-10 21:06:38,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-10 21:06:38,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1058 transitions. [2021-06-10 21:06:38,034 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7226775956284153 [2021-06-10 21:06:38,034 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1058 transitions. [2021-06-10 21:06:38,034 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1058 transitions. [2021-06-10 21:06:38,035 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 21:06:38,035 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1058 transitions. [2021-06-10 21:06:38,037 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 132.25) internal successors, (1058), 8 states have internal predecessors, (1058), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 21:06:38,040 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 183.0) internal successors, (1647), 9 states have internal predecessors, (1647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 21:06:38,041 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 183.0) internal successors, (1647), 9 states have internal predecessors, (1647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 21:06:38,041 INFO L185 Difference]: Start difference. First operand has 41 places, 22 transitions, 82 flow. Second operand 8 states and 1058 transitions. [2021-06-10 21:06:38,041 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 44 transitions, 204 flow [2021-06-10 21:06:38,045 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 44 transitions, 170 flow, removed 11 selfloop flow, removed 8 redundant places. [2021-06-10 21:06:38,047 INFO L241 Difference]: Finished difference. Result has 45 places, 30 transitions, 131 flow [2021-06-10 21:06:38,047 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=183, PETRI_DIFFERENCE_MINUEND_FLOW=60, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=22, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=15, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=131, PETRI_PLACES=45, PETRI_TRANSITIONS=30} [2021-06-10 21:06:38,047 INFO L343 CegarLoopForPetriNet]: 37 programPoint places, 8 predicate places. [2021-06-10 21:06:38,047 INFO L480 AbstractCegarLoop]: Abstraction has has 45 places, 30 transitions, 131 flow [2021-06-10 21:06:38,047 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 129.0) internal successors, (645), 5 states have internal predecessors, (645), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 21:06:38,048 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 21:06:38,048 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 21:06:38,048 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-06-10 21:06:38,048 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-10 21:06:38,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 21:06:38,048 INFO L82 PathProgramCache]: Analyzing trace with hash -1462131739, now seen corresponding path program 2 times [2021-06-10 21:06:38,048 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 21:06:38,049 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1262306433] [2021-06-10 21:06:38,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 21:06:38,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 21:06:38,138 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.7 percent of original size [2021-06-10 21:06:38,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-06-10 21:06:38,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:06:38,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 21:06:38,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:06:38,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-10 21:06:38,184 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-06-10 21:06:38,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 21:06:38,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 21:06:38,205 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1262306433] [2021-06-10 21:06:38,205 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-10 21:06:38,205 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-10 21:06:38,205 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838366703] [2021-06-10 21:06:38,206 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-10 21:06:38,206 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 21:06:38,206 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-10 21:06:38,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-06-10 21:06:38,207 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 124 out of 183 [2021-06-10 21:06:38,208 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 30 transitions, 131 flow. Second operand has 6 states, 6 states have (on average 124.83333333333333) internal successors, (749), 6 states have internal predecessors, (749), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 21:06:38,208 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 21:06:38,208 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 124 of 183 [2021-06-10 21:06:38,208 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 21:06:38,347 INFO L129 PetriNetUnfolder]: 77/179 cut-off events. [2021-06-10 21:06:38,347 INFO L130 PetriNetUnfolder]: For 269/303 co-relation queries the response was YES. [2021-06-10 21:06:38,348 INFO L84 FinitePrefix]: Finished finitePrefix Result has 579 conditions, 179 events. 77/179 cut-off events. For 269/303 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 684 event pairs, 25 based on Foata normal form. 19/194 useless extension candidates. Maximal degree in co-relation 563. Up to 114 conditions per place. [2021-06-10 21:06:38,349 INFO L132 encePairwiseOnDemand]: 176/183 looper letters, 12 selfloop transitions, 9 changer transitions 8/42 dead transitions. [2021-06-10 21:06:38,350 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 42 transitions, 249 flow [2021-06-10 21:06:38,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-10 21:06:38,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-06-10 21:06:38,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 768 transitions. [2021-06-10 21:06:38,352 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6994535519125683 [2021-06-10 21:06:38,352 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 768 transitions. [2021-06-10 21:06:38,352 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 768 transitions. [2021-06-10 21:06:38,353 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 21:06:38,353 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 768 transitions. [2021-06-10 21:06:38,354 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 128.0) internal successors, (768), 6 states have internal predecessors, (768), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 21:06:38,356 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 183.0) internal successors, (1281), 7 states have internal predecessors, (1281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 21:06:38,356 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 183.0) internal successors, (1281), 7 states have internal predecessors, (1281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 21:06:38,357 INFO L185 Difference]: Start difference. First operand has 45 places, 30 transitions, 131 flow. Second operand 6 states and 768 transitions. [2021-06-10 21:06:38,357 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 42 transitions, 249 flow [2021-06-10 21:06:38,358 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 42 transitions, 247 flow, removed 1 selfloop flow, removed 1 redundant places. [2021-06-10 21:06:38,359 INFO L241 Difference]: Finished difference. Result has 49 places, 33 transitions, 187 flow [2021-06-10 21:06:38,359 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=183, PETRI_DIFFERENCE_MINUEND_FLOW=129, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=187, PETRI_PLACES=49, PETRI_TRANSITIONS=33} [2021-06-10 21:06:38,359 INFO L343 CegarLoopForPetriNet]: 37 programPoint places, 12 predicate places. [2021-06-10 21:06:38,359 INFO L480 AbstractCegarLoop]: Abstraction has has 49 places, 33 transitions, 187 flow [2021-06-10 21:06:38,359 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 124.83333333333333) internal successors, (749), 6 states have internal predecessors, (749), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 21:06:38,360 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 21:06:38,360 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 21:06:38,360 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-06-10 21:06:38,360 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-10 21:06:38,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 21:06:38,360 INFO L82 PathProgramCache]: Analyzing trace with hash -1782638304, now seen corresponding path program 1 times [2021-06-10 21:06:38,360 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 21:06:38,361 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1016847005] [2021-06-10 21:06:38,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 21:06:38,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 21:06:38,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:06:38,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 21:06:38,416 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-06-10 21:06:38,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 21:06:38,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:06:38,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 21:06:38,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 21:06:38,424 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1016847005] [2021-06-10 21:06:38,424 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-10 21:06:38,424 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-10 21:06:38,424 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114541891] [2021-06-10 21:06:38,424 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-10 21:06:38,425 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 21:06:38,425 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-10 21:06:38,425 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-10 21:06:38,426 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 143 out of 183 [2021-06-10 21:06:38,426 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 33 transitions, 187 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) [2021-06-10 21:06:38,426 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 21:06:38,426 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 143 of 183 [2021-06-10 21:06:38,427 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 21:06:38,480 INFO L129 PetriNetUnfolder]: 120/251 cut-off events. [2021-06-10 21:06:38,480 INFO L130 PetriNetUnfolder]: For 408/415 co-relation queries the response was YES. [2021-06-10 21:06:38,481 INFO L84 FinitePrefix]: Finished finitePrefix Result has 782 conditions, 251 events. 120/251 cut-off events. For 408/415 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 1154 event pairs, 53 based on Foata normal form. 20/253 useless extension candidates. Maximal degree in co-relation 762. Up to 111 conditions per place. [2021-06-10 21:06:38,483 INFO L132 encePairwiseOnDemand]: 177/183 looper letters, 7 selfloop transitions, 8 changer transitions 1/38 dead transitions. [2021-06-10 21:06:38,483 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 38 transitions, 204 flow [2021-06-10 21:06:38,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-10 21:06:38,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-06-10 21:06:38,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 733 transitions. [2021-06-10 21:06:38,485 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8010928961748633 [2021-06-10 21:06:38,485 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 733 transitions. [2021-06-10 21:06:38,485 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 733 transitions. [2021-06-10 21:06:38,486 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 21:06:38,486 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 733 transitions. [2021-06-10 21:06:38,489 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 146.6) internal successors, (733), 5 states have internal predecessors, (733), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 21:06:38,490 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 183.0) internal successors, (1098), 6 states have internal predecessors, (1098), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 21:06:38,491 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 183.0) internal successors, (1098), 6 states have internal predecessors, (1098), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 21:06:38,491 INFO L185 Difference]: Start difference. First operand has 49 places, 33 transitions, 187 flow. Second operand 5 states and 733 transitions. [2021-06-10 21:06:38,491 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 38 transitions, 204 flow [2021-06-10 21:06:38,493 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 38 transitions, 178 flow, removed 5 selfloop flow, removed 7 redundant places. [2021-06-10 21:06:38,493 INFO L241 Difference]: Finished difference. Result has 47 places, 35 transitions, 184 flow [2021-06-10 21:06:38,494 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=183, PETRI_DIFFERENCE_MINUEND_FLOW=126, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=184, PETRI_PLACES=47, PETRI_TRANSITIONS=35} [2021-06-10 21:06:38,494 INFO L343 CegarLoopForPetriNet]: 37 programPoint places, 10 predicate places. [2021-06-10 21:06:38,494 INFO L480 AbstractCegarLoop]: Abstraction has has 47 places, 35 transitions, 184 flow [2021-06-10 21:06:38,494 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) [2021-06-10 21:06:38,494 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 21:06:38,494 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 21:06:38,494 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-06-10 21:06:38,495 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-10 21:06:38,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 21:06:38,495 INFO L82 PathProgramCache]: Analyzing trace with hash -1167028259, now seen corresponding path program 1 times [2021-06-10 21:06:38,495 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 21:06:38,495 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495365428] [2021-06-10 21:06:38,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 21:06:38,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 21:06:38,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:06:38,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 21:06:38,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:06:38,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 21:06:38,555 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-06-10 21:06:38,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 21:06:38,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:06:38,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 21:06:38,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 21:06:38,564 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1495365428] [2021-06-10 21:06:38,565 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-10 21:06:38,565 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-10 21:06:38,566 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396088487] [2021-06-10 21:06:38,566 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-10 21:06:38,566 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 21:06:38,566 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-10 21:06:38,567 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-06-10 21:06:38,589 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 143 out of 183 [2021-06-10 21:06:38,590 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 35 transitions, 184 flow. Second operand has 5 states, 5 states have (on average 143.8) internal successors, (719), 5 states have internal predecessors, (719), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 21:06:38,590 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 21:06:38,590 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 143 of 183 [2021-06-10 21:06:38,590 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 21:06:38,654 INFO L129 PetriNetUnfolder]: 39/127 cut-off events. [2021-06-10 21:06:38,654 INFO L130 PetriNetUnfolder]: For 249/327 co-relation queries the response was YES. [2021-06-10 21:06:38,655 INFO L84 FinitePrefix]: Finished finitePrefix Result has 463 conditions, 127 events. 39/127 cut-off events. For 249/327 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 484 event pairs, 9 based on Foata normal form. 55/177 useless extension candidates. Maximal degree in co-relation 444. Up to 54 conditions per place. [2021-06-10 21:06:38,655 INFO L132 encePairwiseOnDemand]: 177/183 looper letters, 5 selfloop transitions, 15 changer transitions 3/45 dead transitions. [2021-06-10 21:06:38,655 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 45 transitions, 282 flow [2021-06-10 21:06:38,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-10 21:06:38,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-06-10 21:06:38,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1026 transitions. [2021-06-10 21:06:38,658 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8009367681498829 [2021-06-10 21:06:38,658 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1026 transitions. [2021-06-10 21:06:38,658 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1026 transitions. [2021-06-10 21:06:38,659 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 21:06:38,659 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1026 transitions. [2021-06-10 21:06:38,661 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 146.57142857142858) internal successors, (1026), 7 states have internal predecessors, (1026), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 21:06:38,663 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 183.0) internal successors, (1464), 8 states have internal predecessors, (1464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 21:06:38,663 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 183.0) internal successors, (1464), 8 states have internal predecessors, (1464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 21:06:38,663 INFO L185 Difference]: Start difference. First operand has 47 places, 35 transitions, 184 flow. Second operand 7 states and 1026 transitions. [2021-06-10 21:06:38,663 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 45 transitions, 282 flow [2021-06-10 21:06:38,665 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 45 transitions, 282 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-06-10 21:06:38,666 INFO L241 Difference]: Finished difference. Result has 56 places, 42 transitions, 279 flow [2021-06-10 21:06:38,666 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=183, PETRI_DIFFERENCE_MINUEND_FLOW=184, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=279, PETRI_PLACES=56, PETRI_TRANSITIONS=42} [2021-06-10 21:06:38,666 INFO L343 CegarLoopForPetriNet]: 37 programPoint places, 19 predicate places. [2021-06-10 21:06:38,666 INFO L480 AbstractCegarLoop]: Abstraction has has 56 places, 42 transitions, 279 flow [2021-06-10 21:06:38,667 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 143.8) internal successors, (719), 5 states have internal predecessors, (719), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 21:06:38,667 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 21:06:38,667 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 21:06:38,667 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-06-10 21:06:38,667 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-10 21:06:38,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 21:06:38,667 INFO L82 PathProgramCache]: Analyzing trace with hash 1070422237, now seen corresponding path program 1 times [2021-06-10 21:06:38,667 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 21:06:38,668 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909964487] [2021-06-10 21:06:38,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 21:06:38,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 21:06:38,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:06:38,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 21:06:38,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:06:38,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 21:06:38,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:06:38,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 21:06:38,729 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-06-10 21:06:38,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 21:06:38,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:06:38,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 21:06:38,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 21:06:38,739 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1909964487] [2021-06-10 21:06:38,739 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-10 21:06:38,740 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-10 21:06:38,740 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020191921] [2021-06-10 21:06:38,740 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-10 21:06:38,740 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 21:06:38,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-10 21:06:38,741 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-06-10 21:06:38,741 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 143 out of 183 [2021-06-10 21:06:38,742 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 42 transitions, 279 flow. Second operand has 6 states, 6 states have (on average 143.83333333333334) internal successors, (863), 6 states have internal predecessors, (863), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 21:06:38,742 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 21:06:38,742 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 143 of 183 [2021-06-10 21:06:38,742 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 21:06:38,809 INFO L129 PetriNetUnfolder]: 23/92 cut-off events. [2021-06-10 21:06:38,809 INFO L130 PetriNetUnfolder]: For 373/487 co-relation queries the response was YES. [2021-06-10 21:06:38,810 INFO L84 FinitePrefix]: Finished finitePrefix Result has 433 conditions, 92 events. 23/92 cut-off events. For 373/487 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 333 event pairs, 1 based on Foata normal form. 60/149 useless extension candidates. Maximal degree in co-relation 409. Up to 47 conditions per place. [2021-06-10 21:06:38,811 INFO L132 encePairwiseOnDemand]: 177/183 looper letters, 2 selfloop transitions, 19 changer transitions 3/46 dead transitions. [2021-06-10 21:06:38,811 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 46 transitions, 355 flow [2021-06-10 21:06:38,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-10 21:06:38,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-06-10 21:06:38,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1313 transitions. [2021-06-10 21:06:38,814 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7972070431086824 [2021-06-10 21:06:38,814 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1313 transitions. [2021-06-10 21:06:38,814 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1313 transitions. [2021-06-10 21:06:38,815 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 21:06:38,815 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1313 transitions. [2021-06-10 21:06:38,817 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 145.88888888888889) internal successors, (1313), 9 states have internal predecessors, (1313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 21:06:38,820 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 183.0) internal successors, (1830), 10 states have internal predecessors, (1830), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 21:06:38,821 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 183.0) internal successors, (1830), 10 states have internal predecessors, (1830), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 21:06:38,821 INFO L185 Difference]: Start difference. First operand has 56 places, 42 transitions, 279 flow. Second operand 9 states and 1313 transitions. [2021-06-10 21:06:38,821 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 46 transitions, 355 flow [2021-06-10 21:06:38,823 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 46 transitions, 308 flow, removed 18 selfloop flow, removed 4 redundant places. [2021-06-10 21:06:38,824 INFO L241 Difference]: Finished difference. Result has 63 places, 43 transitions, 295 flow [2021-06-10 21:06:38,824 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=183, PETRI_DIFFERENCE_MINUEND_FLOW=234, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=295, PETRI_PLACES=63, PETRI_TRANSITIONS=43} [2021-06-10 21:06:38,824 INFO L343 CegarLoopForPetriNet]: 37 programPoint places, 26 predicate places. [2021-06-10 21:06:38,824 INFO L480 AbstractCegarLoop]: Abstraction has has 63 places, 43 transitions, 295 flow [2021-06-10 21:06:38,824 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 143.83333333333334) internal successors, (863), 6 states have internal predecessors, (863), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 21:06:38,825 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 21:06:38,825 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 21:06:38,825 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-06-10 21:06:38,825 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-10 21:06:38,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 21:06:38,825 INFO L82 PathProgramCache]: Analyzing trace with hash -1369682315, now seen corresponding path program 1 times [2021-06-10 21:06:38,825 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 21:06:38,825 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810970570] [2021-06-10 21:06:38,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 21:06:38,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 21:06:38,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:06:38,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 21:06:38,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:06:38,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-10 21:06:38,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:06:38,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 21:06:38,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:06:38,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-10 21:06:38,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:06:38,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-10 21:06:38,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 21:06:38,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 21:06:38,962 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-06-10 21:06:38,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 21:06:38,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 21:06:38,981 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [810970570] [2021-06-10 21:06:38,981 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-10 21:06:38,981 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-10 21:06:38,982 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783852800] [2021-06-10 21:06:38,982 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-10 21:06:38,982 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 21:06:38,982 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-10 21:06:38,982 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-06-10 21:06:38,983 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 122 out of 183 [2021-06-10 21:06:38,984 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 43 transitions, 295 flow. Second operand has 9 states, 9 states have (on average 123.0) internal successors, (1107), 9 states have internal predecessors, (1107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 21:06:38,984 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 21:06:38,984 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 122 of 183 [2021-06-10 21:06:38,985 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 21:06:39,143 INFO L129 PetriNetUnfolder]: 38/155 cut-off events. [2021-06-10 21:06:39,144 INFO L130 PetriNetUnfolder]: For 853/947 co-relation queries the response was YES. [2021-06-10 21:06:39,144 INFO L84 FinitePrefix]: Finished finitePrefix Result has 680 conditions, 155 events. 38/155 cut-off events. For 853/947 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 830 event pairs, 0 based on Foata normal form. 21/170 useless extension candidates. Maximal degree in co-relation 654. Up to 46 conditions per place. [2021-06-10 21:06:39,145 INFO L132 encePairwiseOnDemand]: 175/183 looper letters, 8 selfloop transitions, 10 changer transitions 5/51 dead transitions. [2021-06-10 21:06:39,145 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 51 transitions, 397 flow [2021-06-10 21:06:39,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-10 21:06:39,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-06-10 21:06:39,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 872 transitions. [2021-06-10 21:06:39,148 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6807181889149102 [2021-06-10 21:06:39,148 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 872 transitions. [2021-06-10 21:06:39,148 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 872 transitions. [2021-06-10 21:06:39,148 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 21:06:39,148 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 872 transitions. [2021-06-10 21:06:39,150 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 124.57142857142857) internal successors, (872), 7 states have internal predecessors, (872), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 21:06:39,152 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 183.0) internal successors, (1464), 8 states have internal predecessors, (1464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 21:06:39,152 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 183.0) internal successors, (1464), 8 states have internal predecessors, (1464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 21:06:39,152 INFO L185 Difference]: Start difference. First operand has 63 places, 43 transitions, 295 flow. Second operand 7 states and 872 transitions. [2021-06-10 21:06:39,152 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 51 transitions, 397 flow [2021-06-10 21:06:39,156 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 51 transitions, 323 flow, removed 20 selfloop flow, removed 9 redundant places. [2021-06-10 21:06:39,157 INFO L241 Difference]: Finished difference. Result has 62 places, 44 transitions, 280 flow [2021-06-10 21:06:39,157 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=183, PETRI_DIFFERENCE_MINUEND_FLOW=233, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=280, PETRI_PLACES=62, PETRI_TRANSITIONS=44} [2021-06-10 21:06:39,157 INFO L343 CegarLoopForPetriNet]: 37 programPoint places, 25 predicate places. [2021-06-10 21:06:39,157 INFO L480 AbstractCegarLoop]: Abstraction has has 62 places, 44 transitions, 280 flow [2021-06-10 21:06:39,158 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 123.0) internal successors, (1107), 9 states have internal predecessors, (1107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-10 21:06:39,158 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 21:06:39,158 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 21:06:39,158 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-06-10 21:06:39,158 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-10 21:06:39,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 21:06:39,159 INFO L82 PathProgramCache]: Analyzing trace with hash 1034501531, now seen corresponding path program 2 times [2021-06-10 21:06:39,159 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 21:06:39,159 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174426207] [2021-06-10 21:06:39,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 21:06:39,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-10 21:06:39,199 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-10 21:06:39,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-10 21:06:39,261 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-10 21:06:39,301 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-06-10 21:06:39,302 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-06-10 21:06:39,302 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-06-10 21:06:39,392 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.06 09:06:39 BasicIcfg [2021-06-10 21:06:39,392 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-10 21:06:39,392 INFO L168 Benchmark]: Toolchain (without parser) took 11420.05 ms. Allocated memory was 341.8 MB in the beginning and 505.4 MB in the end (delta: 163.6 MB). Free memory was 305.2 MB in the beginning and 299.3 MB in the end (delta: 5.9 MB). Peak memory consumption was 170.7 MB. Max. memory is 16.0 GB. [2021-06-10 21:06:39,393 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 341.8 MB. Free memory was 323.0 MB in the beginning and 323.0 MB in the end (delta: 70.4 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-10 21:06:39,393 INFO L168 Benchmark]: CACSL2BoogieTranslator took 528.06 ms. Allocated memory is still 341.8 MB. Free memory was 305.0 MB in the beginning and 302.7 MB in the end (delta: 2.3 MB). Peak memory consumption was 6.8 MB. Max. memory is 16.0 GB. [2021-06-10 21:06:39,393 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.98 ms. Allocated memory is still 341.8 MB. Free memory was 302.7 MB in the beginning and 299.5 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. [2021-06-10 21:06:39,393 INFO L168 Benchmark]: Boogie Preprocessor took 45.84 ms. Allocated memory is still 341.8 MB. Free memory was 299.5 MB in the beginning and 297.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-10 21:06:39,393 INFO L168 Benchmark]: RCFGBuilder took 2089.58 ms. Allocated memory is still 341.8 MB. Free memory was 297.4 MB in the beginning and 259.9 MB in the end (delta: 37.5 MB). Peak memory consumption was 178.0 MB. Max. memory is 16.0 GB. [2021-06-10 21:06:39,393 INFO L168 Benchmark]: TraceAbstraction took 8704.88 ms. Allocated memory was 341.8 MB in the beginning and 505.4 MB in the end (delta: 163.6 MB). Free memory was 259.9 MB in the beginning and 299.3 MB in the end (delta: -39.4 MB). Peak memory consumption was 123.1 MB. Max. memory is 16.0 GB. [2021-06-10 21:06:39,394 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 341.8 MB. Free memory was 323.0 MB in the beginning and 323.0 MB in the end (delta: 70.4 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 528.06 ms. Allocated memory is still 341.8 MB. Free memory was 305.0 MB in the beginning and 302.7 MB in the end (delta: 2.3 MB). Peak memory consumption was 6.8 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 44.98 ms. Allocated memory is still 341.8 MB. Free memory was 302.7 MB in the beginning and 299.5 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 45.84 ms. Allocated memory is still 341.8 MB. Free memory was 299.5 MB in the beginning and 297.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 2089.58 ms. Allocated memory is still 341.8 MB. Free memory was 297.4 MB in the beginning and 259.9 MB in the end (delta: 37.5 MB). Peak memory consumption was 178.0 MB. Max. memory is 16.0 GB. * TraceAbstraction took 8704.88 ms. Allocated memory was 341.8 MB in the beginning and 505.4 MB in the end (delta: 163.6 MB). Free memory was 259.9 MB in the beginning and 299.3 MB in the end (delta: -39.4 MB). Peak memory consumption was 123.1 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5659.9ms, 102 PlacesBefore, 37 PlacesAfterwards, 94 TransitionsBefore, 28 TransitionsAfterwards, 1686 CoEnabledTransitionPairs, 7 FixpointIterations, 35 TrivialSequentialCompositions, 45 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 1 ChoiceCompositions, 86 TotalNumberOfCompositions, 4853 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1759, positive: 1604, positive conditional: 0, positive unconditional: 1604, negative: 155, negative conditional: 0, negative unconditional: 155, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1054, positive: 1021, positive conditional: 0, positive unconditional: 1021, negative: 33, negative conditional: 0, negative unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1054, positive: 1021, positive conditional: 0, positive unconditional: 1021, negative: 33, negative conditional: 0, negative unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1054, positive: 1003, positive conditional: 0, positive unconditional: 1003, negative: 51, negative conditional: 0, negative unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 51, positive: 18, positive conditional: 0, positive unconditional: 18, negative: 33, negative conditional: 0, negative unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 652, positive: 34, positive conditional: 0, positive unconditional: 34, negative: 618, negative conditional: 0, negative unconditional: 618, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1759, positive: 583, positive conditional: 0, positive unconditional: 583, negative: 122, negative conditional: 0, negative unconditional: 122, unknown: 1054, unknown conditional: 0, unknown unconditional: 1054] , Statistics on independence cache: Total cache size (in pairs): 1882, Positive cache size: 1849, Positive conditional cache size: 0, Positive unconditional cache size: 1849, Negative cache size: 33, Negative conditional cache size: 0, Negative unconditional cache size: 33 - 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_p0_EAX = 0; [L713] 0 int __unbuffered_p2_EAX = 0; [L714] 0 _Bool main$tmp_guard0; [L715] 0 _Bool main$tmp_guard1; [L717] 0 int x = 0; [L718] 0 _Bool x$flush_delayed; [L719] 0 int x$mem_tmp; [L720] 0 _Bool x$r_buff0_thd0; [L721] 0 _Bool x$r_buff0_thd1; [L722] 0 _Bool x$r_buff0_thd2; [L723] 0 _Bool x$r_buff0_thd3; [L724] 0 _Bool x$r_buff1_thd0; [L725] 0 _Bool x$r_buff1_thd1; [L726] 0 _Bool x$r_buff1_thd2; [L727] 0 _Bool x$r_buff1_thd3; [L728] 0 _Bool x$read_delayed; [L729] 0 int *x$read_delayed_var; [L730] 0 int x$w_buff0; [L731] 0 _Bool x$w_buff0_used; [L732] 0 int x$w_buff1; [L733] 0 _Bool x$w_buff1_used; [L735] 0 int y = 0; [L736] 0 _Bool weak$$choice0; [L737] 0 _Bool weak$$choice2; [L818] 0 pthread_t t1807; [L819] FCALL, FORK 0 pthread_create(&t1807, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L820] 0 pthread_t t1808; [L821] FCALL, FORK 0 pthread_create(&t1808, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L761] 2 x$w_buff1 = x$w_buff0 [L762] 2 x$w_buff0 = 2 [L763] 2 x$w_buff1_used = x$w_buff0_used [L764] 2 x$w_buff0_used = (_Bool)1 [L18] COND FALSE 2 !(!expression) [L766] 2 x$r_buff1_thd0 = x$r_buff0_thd0 [L767] 2 x$r_buff1_thd1 = x$r_buff0_thd1 [L768] 2 x$r_buff1_thd2 = x$r_buff0_thd2 [L769] 2 x$r_buff1_thd3 = x$r_buff0_thd3 [L770] 2 x$r_buff0_thd2 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=0] [L822] 0 pthread_t t1809; [L823] FCALL, FORK 0 pthread_create(&t1809, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=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=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=0] [L773] 2 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=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=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1] [L790] 3 __unbuffered_p2_EAX = y VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1] [L793] 3 y = 2 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=2] [L796] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x) [L796] EXPR 3 x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x [L796] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x) [L796] 3 x = x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x) [L797] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$w_buff0_used [L797] 3 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$w_buff0_used [L798] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$w_buff1_used [L798] 3 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$w_buff1_used [L799] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$r_buff0_thd3 [L799] 3 x$r_buff0_thd3 = x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$r_buff0_thd3 [L800] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$r_buff1_thd3 [L800] 3 x$r_buff1_thd3 = x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$r_buff1_thd3 [L741] 1 __unbuffered_p0_EAX = y VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=2, __unbuffered_p2_EAX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=2] [L744] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=2, __unbuffered_p2_EAX=1, 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=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=2] [L747] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x) [L747] EXPR 1 x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x [L747] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x) [L747] 1 x = x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x) [L748] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used [L748] 1 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used [L749] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$w_buff1_used [L749] 1 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$w_buff1_used [L750] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1 [L750] 1 x$r_buff0_thd1 = x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1 [L751] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$r_buff1_thd1 [L751] 1 x$r_buff1_thd1 = x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$r_buff1_thd1 [L776] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L776] 2 x = x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L777] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L777] 2 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L778] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L778] 2 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L779] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L779] 2 x$r_buff0_thd2 = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L780] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 [L780] 2 x$r_buff1_thd2 = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 [L783] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L785] 2 return 0; [L803] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L805] 3 return 0; [L754] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L756] 1 return 0; [L825] 0 main$tmp_guard0 = __unbuffered_cnt == 3 [L3] COND FALSE 0 !(!cond) [L829] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L829] EXPR 0 x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x [L829] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L829] 0 x = x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L830] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L830] 0 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L831] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L831] 0 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L832] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L832] 0 x$r_buff0_thd0 = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L833] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 [L833] 0 x$r_buff1_thd0 = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 [L836] 0 weak$$choice0 = __VERIFIER_nondet_bool() [L837] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L838] 0 x$flush_delayed = weak$$choice2 [L839] 0 x$mem_tmp = x [L840] EXPR 0 !x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff1) [L840] 0 x = !x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff1) [L841] EXPR 0 weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff0)) [L841] 0 x$w_buff0 = weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff0)) [L842] EXPR 0 weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff1 : x$w_buff1)) [L842] 0 x$w_buff1 = weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff1 : x$w_buff1)) [L843] EXPR 0 weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used)) [L843] 0 x$w_buff0_used = weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used)) [L844] EXPR 0 weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L844] 0 x$w_buff1_used = weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L845] EXPR 0 weak$$choice2 ? x$r_buff0_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff0_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0)) [L845] 0 x$r_buff0_thd0 = weak$$choice2 ? x$r_buff0_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff0_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0)) [L846] EXPR 0 weak$$choice2 ? x$r_buff1_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff1_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L846] 0 x$r_buff1_thd0 = weak$$choice2 ? x$r_buff1_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff1_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L847] 0 main$tmp_guard1 = !(x == 2 && y == 2 && __unbuffered_p0_EAX == 2 && __unbuffered_p2_EAX == 1) [L848] EXPR 0 x$flush_delayed ? x$mem_tmp : x [L848] 0 x = x$flush_delayed ? x$mem_tmp : x [L849] 0 x$flush_delayed = (_Bool)0 VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=2, __unbuffered_p2_EAX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=50, weak$$choice2=255, x=2, x$flush_delayed=0, x$mem_tmp=2, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L18] COND TRUE 0 !expression [L18] 0 reach_error() VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=2, __unbuffered_p2_EAX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=50, weak$$choice2=255, x=2, x$flush_delayed=0, x$mem_tmp=2, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 96 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: 8509.2ms, OverallIterations: 12, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 1286.1ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 5730.5ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 52 SDtfs, 61 SDslu, 55 SDs, 0 SdLazy, 297 SolverSat, 75 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 434.5ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 64 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 537.4ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=295occurred in iteration=10, InterpolantAutomatonStates: 69, 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: 34.2ms SsaConstructionTime, 348.4ms SatisfiabilityAnalysisTime, 861.1ms InterpolantComputationTime, 178 NumberOfCodeBlocks, 178 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 145 ConstructedInterpolants, 0 QuantifiedInterpolants, 1016 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...